Remove windows python distribution from repo and add requirements.txt

12 files changed, 0 insertions, 17214 deletions

diff --git a/python/gevent/resolver/__init__.py b/python/gevent/resolver/__init__.py
deleted file mode 100644
index 3da38e3..0000000
--- a/python/gevent/resolver/__init__.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# Copyright (c) 2018  gevent contributors. See LICENSE for details.
-
-from _socket import gaierror
-from _socket import error
-from _socket import getservbyname
-from _socket import getaddrinfo
-
-from gevent._compat import string_types
-from gevent._compat import integer_types
-
-from gevent.socket import SOCK_STREAM
-from gevent.socket import SOCK_DGRAM
-from gevent.socket import SOL_TCP
-from gevent.socket import AI_CANONNAME
-from gevent.socket import EAI_SERVICE
-from gevent.socket import AF_INET
-from gevent.socket import AI_PASSIVE
-
-
-def _lookup_port(port, socktype):
-    # pylint:disable=too-many-branches
-    socktypes = []
-    if isinstance(port, string_types):
-        try:
-            port = int(port)
-        except ValueError:
-            try:
-                if socktype == 0:
-                    origport = port
-                    try:
-                        port = getservbyname(port, 'tcp')
-                        socktypes.append(SOCK_STREAM)
-                    except error:
-                        port = getservbyname(port, 'udp')
-                        socktypes.append(SOCK_DGRAM)
-                    else:
-                        try:
-                            if port == getservbyname(origport, 'udp'):
-                                socktypes.append(SOCK_DGRAM)
-                        except error:
-                            pass
-                elif socktype == SOCK_STREAM:
-                    port = getservbyname(port, 'tcp')
-                elif socktype == SOCK_DGRAM:
-                    port = getservbyname(port, 'udp')
-                else:
-                    raise gaierror(EAI_SERVICE, 'Servname not supported for ai_socktype')
-            except error as ex:
-                if 'not found' in str(ex):
-                    raise gaierror(EAI_SERVICE, 'Servname not supported for ai_socktype')
-                else:
-                    raise gaierror(str(ex))
-            except UnicodeEncodeError:
-                raise error('Int or String expected', port)
-    elif port is None:
-        port = 0
-    elif isinstance(port, integer_types):
-        pass
-    else:
-        raise error('Int or String expected', port, type(port))
-    port = int(port % 65536)
-    if not socktypes and socktype:
-        socktypes.append(socktype)
-    return port, socktypes
-
-hostname_types = tuple(set(string_types + (bytearray, bytes)))
-
-def _resolve_special(hostname, family):
-    if not isinstance(hostname, hostname_types):
-        raise TypeError("argument 1 must be str, bytes or bytearray, not %s" % (type(hostname),))
-
-    if hostname == '':
-        result = getaddrinfo(None, 0, family, SOCK_DGRAM, 0, AI_PASSIVE)
-        if len(result) != 1:
-            raise error('wildcard resolved to multiple address')
-        return result[0][4][0]
-    return hostname
-
-
-class AbstractResolver(object):
-
-    def gethostbyname(self, hostname, family=AF_INET):
-        hostname = _resolve_special(hostname, family)
-        return self.gethostbyname_ex(hostname, family)[-1][0]
-
-    def gethostbyname_ex(self, hostname, family=AF_INET):
-        aliases = self._getaliases(hostname, family)
-        addresses = []
-        tuples = self.getaddrinfo(hostname, 0, family,
-                                  SOCK_STREAM,
-                                  SOL_TCP, AI_CANONNAME)
-        canonical = tuples[0][3]
-        for item in tuples:
-            addresses.append(item[4][0])
-        # XXX we just ignore aliases
-        return (canonical, aliases, addresses)
-
-    def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
-        raise NotImplementedError()
-
-    def _getaliases(self, hostname, family):
-        # pylint:disable=unused-argument
-        return []
diff --git a/python/gevent/resolver/ares.py b/python/gevent/resolver/ares.py
deleted file mode 100644
index ea6e919..0000000
--- a/python/gevent/resolver/ares.py
+++ /dev/null
@@ -1,357 +0,0 @@
-# Copyright (c) 2011-2015 Denis Bilenko. See LICENSE for details.
-"""
-c-ares based hostname resolver.
-"""
-from __future__ import absolute_import, print_function, division
-import os
-import sys
-
-from _socket import getaddrinfo
-from _socket import gaierror
-from _socket import error
-
-from gevent._compat import string_types
-from gevent._compat import text_type
-
-from gevent._compat import reraise
-from gevent._compat import PY3
-
-from gevent.hub import Waiter
-from gevent.hub import get_hub
-
-from gevent.socket import AF_UNSPEC
-from gevent.socket import AF_INET
-from gevent.socket import AF_INET6
-from gevent.socket import SOCK_STREAM
-from gevent.socket import SOCK_DGRAM
-from gevent.socket import SOCK_RAW
-from gevent.socket import AI_NUMERICHOST
-
-from gevent._config import config
-from gevent._config import AresSettingMixin
-
-from .cares import channel, InvalidIP # pylint:disable=import-error,no-name-in-module
-from . import _lookup_port as lookup_port
-from . import _resolve_special
-from . import AbstractResolver
-
-__all__ = ['Resolver']
-
-
-class Resolver(AbstractResolver):
-    """
-    Implementation of the resolver API using the `c-ares`_ library.
-
-    This implementation uses the c-ares library to handle name
-    resolution. c-ares is natively asynchronous at the socket level
-    and so integrates well into gevent's event loop.
-
-    In comparison to :class:`gevent.resolver_thread.Resolver` (which
-    delegates to the native system resolver), the implementation is
-    much more complex. In addition, there have been reports of it not
-    properly honoring certain system configurations (for example, the
-    order in which IPv4 and IPv6 results are returned may not match
-    the threaded resolver). However, because it does not use threads,
-    it may scale better for applications that make many lookups.
-
-    There are some known differences from the system resolver:
-
-    - ``gethostbyname_ex`` and ``gethostbyaddr`` may return different
-      for the ``aliaslist`` tuple member. (Sometimes the same,
-      sometimes in a different order, sometimes a different alias
-      altogether.)
-    - ``gethostbyname_ex`` may return the ``ipaddrlist`` in a different order.
-    - ``getaddrinfo`` does not return ``SOCK_RAW`` results.
-    - ``getaddrinfo`` may return results in a different order.
-    - Handling of ``.local`` (mDNS) names may be different, even if they are listed in
-      the hosts file.
-    - c-ares will not resolve ``broadcasthost``, even if listed in the hosts file.
-    - This implementation may raise ``gaierror(4)`` where the system implementation would raise
-      ``herror(1)``.
-    - The results for ``localhost`` may be different. In particular, some system
-      resolvers will return more results from ``getaddrinfo`` than c-ares does,
-      such as SOCK_DGRAM results, and c-ares may report more ips on a multi-homed
-      host.
-
-    .. caution:: This module is considered extremely experimental on PyPy, and
-       due to its implementation in cython, it may be slower. It may also lead to
-       interpreter crashes.
-
-    .. _c-ares: http://c-ares.haxx.se
-    """
-
-    ares_class = channel
-
-    def __init__(self, hub=None, use_environ=True, **kwargs):
-        if hub is None:
-            hub = get_hub()
-        self.hub = hub
-        if use_environ:
-            for setting in config.settings.values():
-                if isinstance(setting, AresSettingMixin):
-                    value = setting.get()
-                    if value is not None:
-                        kwargs.setdefault(setting.kwarg_name, value)
-        self.ares = self.ares_class(hub.loop, **kwargs)
-        self.pid = os.getpid()
-        self.params = kwargs
-        self.fork_watcher = hub.loop.fork(ref=False)
-        self.fork_watcher.start(self._on_fork)
-
-    def __repr__(self):
-        return '<gevent.resolver_ares.Resolver at 0x%x ares=%r>' % (id(self), self.ares)
-
-    def _on_fork(self):
-        # NOTE: See comment in gevent.hub.reinit.
-        pid = os.getpid()
-        if pid != self.pid:
-            self.hub.loop.run_callback(self.ares.destroy)
-            self.ares = self.ares_class(self.hub.loop, **self.params)
-            self.pid = pid
-
-    def close(self):
-        if self.ares is not None:
-            self.hub.loop.run_callback(self.ares.destroy)
-            self.ares = None
-        self.fork_watcher.stop()
-
-    def gethostbyname(self, hostname, family=AF_INET):
-        hostname = _resolve_special(hostname, family)
-        return self.gethostbyname_ex(hostname, family)[-1][0]
-
-    def gethostbyname_ex(self, hostname, family=AF_INET):
-        if PY3:
-            if isinstance(hostname, str):
-                hostname = hostname.encode('idna')
-            elif not isinstance(hostname, (bytes, bytearray)):
-                raise TypeError('Expected es(idna), not %s' % type(hostname).__name__)
-        else:
-            if isinstance(hostname, text_type):
-                hostname = hostname.encode('ascii')
-            elif not isinstance(hostname, str):
-                raise TypeError('Expected string, not %s' % type(hostname).__name__)
-
-        while True:
-            ares = self.ares
-            try:
-                waiter = Waiter(self.hub)
-                ares.gethostbyname(waiter, hostname, family)
-                result = waiter.get()
-                if not result[-1]:
-                    raise gaierror(-5, 'No address associated with hostname')
-                return result
-            except gaierror:
-                if ares is self.ares:
-                    if hostname == b'255.255.255.255':
-                        # The stdlib handles this case in 2.7 and 3.x, but ares does not.
-                        # It is tested by test_socket.py in 3.4.
-                        # HACK: So hardcode the expected return.
-                        return ('255.255.255.255', [], ['255.255.255.255'])
-                    raise
-                # "self.ares is not ares" means channel was destroyed (because we were forked)
-
-    def _lookup_port(self, port, socktype):
-        return lookup_port(port, socktype)
-
-    def _getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
-        # pylint:disable=too-many-locals,too-many-branches
-        if isinstance(host, text_type):
-            host = host.encode('idna')
-        elif not isinstance(host, str) or (flags & AI_NUMERICHOST):
-            # this handles cases which do not require network access
-            # 1) host is None
-            # 2) host is of an invalid type
-            # 3) AI_NUMERICHOST flag is set
-            return getaddrinfo(host, port, family, socktype, proto, flags)
-            # we also call _socket.getaddrinfo below if family is not one of AF_*
-
-        port, socktypes = self._lookup_port(port, socktype)
-
-        socktype_proto = [(SOCK_STREAM, 6), (SOCK_DGRAM, 17), (SOCK_RAW, 0)]
-        if socktypes:
-            socktype_proto = [(x, y) for (x, y) in socktype_proto if x in socktypes]
-        if proto:
-            socktype_proto = [(x, y) for (x, y) in socktype_proto if proto == y]
-
-        ares = self.ares
-
-        if family == AF_UNSPEC:
-            ares_values = Values(self.hub, 2)
-            ares.gethostbyname(ares_values, host, AF_INET)
-            ares.gethostbyname(ares_values, host, AF_INET6)
-        elif family == AF_INET:
-            ares_values = Values(self.hub, 1)
-            ares.gethostbyname(ares_values, host, AF_INET)
-        elif family == AF_INET6:
-            ares_values = Values(self.hub, 1)
-            ares.gethostbyname(ares_values, host, AF_INET6)
-        else:
-            raise gaierror(5, 'ai_family not supported: %r' % (family, ))
-
-        values = ares_values.get()
-        if len(values) == 2 and values[0] == values[1]:
-            values.pop()
-
-        result = []
-        result4 = []
-        result6 = []
-
-        for addrs in values:
-            if addrs.family == AF_INET:
-                for addr in addrs[-1]:
-                    sockaddr = (addr, port)
-                    for socktype4, proto4 in socktype_proto:
-                        result4.append((AF_INET, socktype4, proto4, '', sockaddr))
-            elif addrs.family == AF_INET6:
-                for addr in addrs[-1]:
-                    if addr == '::1':
-                        dest = result
-                    else:
-                        dest = result6
-                    sockaddr = (addr, port, 0, 0)
-                    for socktype6, proto6 in socktype_proto:
-                        dest.append((AF_INET6, socktype6, proto6, '', sockaddr))
-
-        # As of 2016, some platforms return IPV6 first and some do IPV4 first,
-        # and some might even allow configuration of which is which. For backwards
-        # compatibility with earlier releases (but not necessarily resolver_thread!)
-        # we return 4 first. See https://github.com/gevent/gevent/issues/815 for more.
-        result += result4 + result6
-
-        if not result:
-            raise gaierror(-5, 'No address associated with hostname')
-
-        return result
-
-    def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
-        while True:
-            ares = self.ares
-            try:
-                return self._getaddrinfo(host, port, family, socktype, proto, flags)
-            except gaierror:
-                if ares is self.ares:
-                    raise
-
-    def _gethostbyaddr(self, ip_address):
-        if PY3:
-            if isinstance(ip_address, str):
-                ip_address = ip_address.encode('idna')
-            elif not isinstance(ip_address, (bytes, bytearray)):
-                raise TypeError('Expected es(idna), not %s' % type(ip_address).__name__)
-        else:
-            if isinstance(ip_address, text_type):
-                ip_address = ip_address.encode('ascii')
-            elif not isinstance(ip_address, str):
-                raise TypeError('Expected string, not %s' % type(ip_address).__name__)
-
-        waiter = Waiter(self.hub)
-        try:
-            self.ares.gethostbyaddr(waiter, ip_address)
-            return waiter.get()
-        except InvalidIP:
-            result = self._getaddrinfo(ip_address, None, family=AF_UNSPEC, socktype=SOCK_DGRAM)
-            if not result:
-                raise
-            _ip_address = result[0][-1][0]
-            if isinstance(_ip_address, text_type):
-                _ip_address = _ip_address.encode('ascii')
-            if _ip_address == ip_address:
-                raise
-            waiter.clear()
-            self.ares.gethostbyaddr(waiter, _ip_address)
-            return waiter.get()
-
-    def gethostbyaddr(self, ip_address):
-        ip_address = _resolve_special(ip_address, AF_UNSPEC)
-        while True:
-            ares = self.ares
-            try:
-                return self._gethostbyaddr(ip_address)
-            except gaierror:
-                if ares is self.ares:
-                    raise
-
-    def _getnameinfo(self, sockaddr, flags):
-        if not isinstance(flags, int):
-            raise TypeError('an integer is required')
-        if not isinstance(sockaddr, tuple):
-            raise TypeError('getnameinfo() argument 1 must be a tuple')
-
-        address = sockaddr[0]
-        if not PY3 and isinstance(address, text_type):
-            address = address.encode('ascii')
-
-        if not isinstance(address, string_types):
-            raise TypeError('sockaddr[0] must be a string, not %s' % type(address).__name__)
-
-        port = sockaddr[1]
-        if not isinstance(port, int):
-            raise TypeError('port must be an integer, not %s' % type(port))
-
-        waiter = Waiter(self.hub)
-        result = self._getaddrinfo(address, str(sockaddr[1]), family=AF_UNSPEC, socktype=SOCK_DGRAM)
-        if not result:
-            reraise(*sys.exc_info())
-        elif len(result) != 1:
-            raise error('sockaddr resolved to multiple addresses')
-        family, _socktype, _proto, _name, address = result[0]
-
-        if family == AF_INET:
-            if len(sockaddr) != 2:
-                raise error("IPv4 sockaddr must be 2 tuple")
-        elif family == AF_INET6:
-            address = address[:2] + sockaddr[2:]
-
-        self.ares.getnameinfo(waiter, address, flags)
-        node, service = waiter.get()
-
-        if service is None:
-            if PY3:
-                # ares docs: "If the query did not complete
-                # successfully, or one of the values was not
-                # requested, node or service will be NULL ". Python 2
-                # allows that for the service, but Python 3 raises
-                # an error. This is tested by test_socket in py 3.4
-                err = gaierror('nodename nor servname provided, or not known')
-                err.errno = 8
-                raise err
-            service = '0'
-        return node, service
-
-    def getnameinfo(self, sockaddr, flags):
-        while True:
-            ares = self.ares
-            try:
-                return self._getnameinfo(sockaddr, flags)
-            except gaierror:
-                if ares is self.ares:
-                    raise
-
-
-class Values(object):
-    # helper to collect multiple values; ignore errors unless nothing has succeeded
-    # QQQ could probably be moved somewhere - hub.py?
-
-    __slots__ = ['count', 'values', 'error', 'waiter']
-
-    def __init__(self, hub, count):
-        self.count = count
-        self.values = []
-        self.error = None
-        self.waiter = Waiter(hub)
-
-    def __call__(self, source):
-        self.count -= 1
-        if source.exception is None:
-            self.values.append(source.value)
-        else:
-            self.error = source.exception
-        if self.count <= 0:
-            self.waiter.switch(None)
-
-    def get(self):
-        self.waiter.get()
-        if self.values:
-            return self.values
-        assert error is not None
-        raise self.error # pylint:disable=raising-bad-type
diff --git a/python/gevent/resolver/blocking.py b/python/gevent/resolver/blocking.py
deleted file mode 100644
index 84cbd9c..0000000
--- a/python/gevent/resolver/blocking.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright (c) 2018  gevent contributors. See LICENSE for details.
-
-import _socket
-
-class Resolver(object):
-    """
-    A resolver that directly uses the system's resolver functions.
-
-    .. caution::
-
-        This resolver is *not* cooperative.
-
-    This resolver has the lowest overhead of any resolver and
-    typically approaches the speed of the unmodified :mod:`socket`
-    functions. However, it is not cooperative, so if name resolution
-    blocks, the entire thread and all its greenlets will be blocked.
-
-    This can be useful during debugging, or it may be a good choice if
-    your operating system provides a good caching resolver (such as
-    macOS's Directory Services) that is usually very fast and
-    functionally non-blocking.
-
-    .. versionchanged:: 1.3a2
-       This was previously undocumented and existed in :mod:`gevent.socket`.
-
-    """
-
-    def __init__(self, hub=None):
-        pass
-
-    def close(self):
-        pass
-
-    for method in (
-            'gethostbyname',
-            'gethostbyname_ex',
-            'getaddrinfo',
-            'gethostbyaddr',
-            'getnameinfo'
-    ):
-        locals()[method] = staticmethod(getattr(_socket, method))
diff --git a/python/gevent/resolver/cares.c b/python/gevent/resolver/cares.c
deleted file mode 100644
index e9cf5e0..0000000
--- a/python/gevent/resolver/cares.c
+++ /dev/null
@@ -1,15233 +0,0 @@
-/* Generated by Cython 0.28.5 */
-
-/* BEGIN: Cython Metadata
-{
-    "distutils": {
-        "define_macros": [
-            [
-                "FD_SETSIZE",
-                "1024"
-            ],
-            [
-                "_WIN32",
-                "1"
-            ],
-            [
-                "CARES_STATICLIB",
-                ""
-            ],
-            [
-                "CARES_EMBED",
-                "1"
-            ]
-        ],
-        "depends": [
-            "C:\\projects\\gevent\\deps\\c-ares\\ares.h",
-            "src/gevent/resolver/dnshelper.c",
-            "src/gevent/resolver\\cares_ntop.h",
-            "src/gevent/resolver\\cares_pton.h",
-            "src\\gevent\\resolver\\cares_ntop.h",
-            "src\\gevent\\resolver\\cares_pton.h",
-            "src\\gevent\\resolver\\dnshelper.c"
-        ],
-        "include_dirs": [
-            "src/gevent/resolver",
-            "C:\\projects\\gevent\\deps\\c-ares"
-        ],
-        "libraries": [
-            "ws2_32",
-            "advapi32"
-        ],
-        "name": "gevent.resolver.cares",
-        "sources": [
-            "src/gevent/resolver/cares.pyx",
-            "deps/c-ares\\ares__close_sockets.c",
-            "deps/c-ares\\ares__get_hostent.c",
-            "deps/c-ares\\ares__read_line.c",
-            "deps/c-ares\\ares__timeval.c",
-            "deps/c-ares\\ares_android.c",
-            "deps/c-ares\\ares_cancel.c",
-            "deps/c-ares\\ares_create_query.c",
-            "deps/c-ares\\ares_data.c",
-            "deps/c-ares\\ares_destroy.c",
-            "deps/c-ares\\ares_expand_name.c",
-            "deps/c-ares\\ares_expand_string.c",
-            "deps/c-ares\\ares_fds.c",
-            "deps/c-ares\\ares_free_hostent.c",
-            "deps/c-ares\\ares_free_string.c",
-            "deps/c-ares\\ares_getenv.c",
-            "deps/c-ares\\ares_gethostbyaddr.c",
-            "deps/c-ares\\ares_gethostbyname.c",
-            "deps/c-ares\\ares_getnameinfo.c",
-            "deps/c-ares\\ares_getopt.c",
-            "deps/c-ares\\ares_getsock.c",
-            "deps/c-ares\\ares_init.c",
-            "deps/c-ares\\ares_library_init.c",
-            "deps/c-ares\\ares_llist.c",
-            "deps/c-ares\\ares_mkquery.c",
-            "deps/c-ares\\ares_nowarn.c",
-            "deps/c-ares\\ares_options.c",
-            "deps/c-ares\\ares_parse_a_reply.c",
-            "deps/c-ares\\ares_parse_aaaa_reply.c",
-            "deps/c-ares\\ares_parse_mx_reply.c",
-            "deps/c-ares\\ares_parse_naptr_reply.c",
-            "deps/c-ares\\ares_parse_ns_reply.c",
-            "deps/c-ares\\ares_parse_ptr_reply.c",
-            "deps/c-ares\\ares_parse_soa_reply.c",
-            "deps/c-ares\\ares_parse_srv_reply.c",
-            "deps/c-ares\\ares_parse_txt_reply.c",
-            "deps/c-ares\\ares_platform.c",
-            "deps/c-ares\\ares_process.c",
-            "deps/c-ares\\ares_query.c",
-            "deps/c-ares\\ares_search.c",
-            "deps/c-ares\\ares_send.c",
-            "deps/c-ares\\ares_strcasecmp.c",
-            "deps/c-ares\\ares_strdup.c",
-            "deps/c-ares\\ares_strerror.c",
-            "deps/c-ares\\ares_timeout.c",
-            "deps/c-ares\\ares_version.c",
-            "deps/c-ares\\ares_writev.c",
-            "deps/c-ares\\bitncmp.c",
-            "deps/c-ares\\inet_net_pton.c",
-            "deps/c-ares\\inet_ntop.c",
-            "deps/c-ares\\windows_port.c"
-        ]
-    },
-    "module_name": "gevent.resolver.cares"
-}
-END: Cython Metadata */
-
-#define PY_SSIZE_T_CLEAN
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
-    #error Cython requires Python 2.6+ or Python 3.3+.
-#else
-#define CYTHON_ABI "0_28_5"
-#define CYTHON_FUTURE_DIVISION 0
-#include <stddef.h>
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-  #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
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-  #define DL_EXPORT(t) t
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-#define __PYX_COMMA ,
-#ifndef HAVE_LONG_LONG
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-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
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-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
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-#ifdef PYPY_VERSION
-  #define CYTHON_COMPILING_IN_PYPY 1
-  #define CYTHON_COMPILING_IN_PYSTON 0
-  #define CYTHON_COMPILING_IN_CPYTHON 0
-  #undef CYTHON_USE_TYPE_SLOTS
-  #define CYTHON_USE_TYPE_SLOTS 0
-  #undef CYTHON_USE_PYTYPE_LOOKUP
-  #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #if PY_VERSION_HEX < 0x03050000
-    #undef CYTHON_USE_ASYNC_SLOTS
-    #define CYTHON_USE_ASYNC_SLOTS 0
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-    #define CYTHON_USE_ASYNC_SLOTS 1
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-  #undef CYTHON_USE_PYLIST_INTERNALS
-  #define CYTHON_USE_PYLIST_INTERNALS 0
-  #undef CYTHON_USE_UNICODE_INTERNALS
-  #define CYTHON_USE_UNICODE_INTERNALS 0
-  #undef CYTHON_USE_UNICODE_WRITER
-  #define CYTHON_USE_UNICODE_WRITER 0
-  #undef CYTHON_USE_PYLONG_INTERNALS
-  #define CYTHON_USE_PYLONG_INTERNALS 0
-  #undef CYTHON_AVOID_BORROWED_REFS
-  #define CYTHON_AVOID_BORROWED_REFS 1
-  #undef CYTHON_ASSUME_SAFE_MACROS
-  #define CYTHON_ASSUME_SAFE_MACROS 0
-  #undef CYTHON_UNPACK_METHODS
-  #define CYTHON_UNPACK_METHODS 0
-  #undef CYTHON_FAST_THREAD_STATE
-  #define CYTHON_FAST_THREAD_STATE 0
-  #undef CYTHON_FAST_PYCALL
-  #define CYTHON_FAST_PYCALL 0
-  #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
-  #undef CYTHON_USE_TP_FINALIZE
-  #define CYTHON_USE_TP_FINALIZE 0
-#elif defined(PYSTON_VERSION)
-  #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 1
-  #define CYTHON_COMPILING_IN_CPYTHON 0
-  #ifndef CYTHON_USE_TYPE_SLOTS
-    #define CYTHON_USE_TYPE_SLOTS 1
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-  #undef CYTHON_USE_PYTYPE_LOOKUP
-  #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #undef CYTHON_USE_ASYNC_SLOTS
-  #define CYTHON_USE_ASYNC_SLOTS 0
-  #undef CYTHON_USE_PYLIST_INTERNALS
-  #define CYTHON_USE_PYLIST_INTERNALS 0
-  #ifndef CYTHON_USE_UNICODE_INTERNALS
-    #define CYTHON_USE_UNICODE_INTERNALS 1
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-  #undef CYTHON_USE_UNICODE_WRITER
-  #define CYTHON_USE_UNICODE_WRITER 0
-  #undef CYTHON_USE_PYLONG_INTERNALS
-  #define CYTHON_USE_PYLONG_INTERNALS 0
-  #ifndef CYTHON_AVOID_BORROWED_REFS
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-  #ifndef CYTHON_ASSUME_SAFE_MACROS
-    #define CYTHON_ASSUME_SAFE_MACROS 1
-  #endif
-  #ifndef CYTHON_UNPACK_METHODS
-    #define CYTHON_UNPACK_METHODS 1
-  #endif
-  #undef CYTHON_FAST_THREAD_STATE
-  #define CYTHON_FAST_THREAD_STATE 0
-  #undef CYTHON_FAST_PYCALL
-  #define CYTHON_FAST_PYCALL 0
-  #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
-  #undef CYTHON_USE_TP_FINALIZE
-  #define CYTHON_USE_TP_FINALIZE 0
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-  #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 0
-  #define CYTHON_COMPILING_IN_CPYTHON 1
-  #ifndef CYTHON_USE_TYPE_SLOTS
-    #define CYTHON_USE_TYPE_SLOTS 1
-  #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYTYPE_LOOKUP
-    #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
-    #define CYTHON_USE_PYTYPE_LOOKUP 1
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-    #undef CYTHON_USE_ASYNC_SLOTS
-    #define CYTHON_USE_ASYNC_SLOTS 0
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-    #define CYTHON_USE_ASYNC_SLOTS 1
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-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYLONG_INTERNALS
-    #define CYTHON_USE_PYLONG_INTERNALS 0
-  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
-    #define CYTHON_USE_PYLONG_INTERNALS 1
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-  #ifndef CYTHON_USE_PYLIST_INTERNALS
-    #define CYTHON_USE_PYLIST_INTERNALS 1
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-  #ifndef CYTHON_USE_UNICODE_INTERNALS
-    #define CYTHON_USE_UNICODE_INTERNALS 1
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-  #if PY_VERSION_HEX < 0x030300F0
-    #undef CYTHON_USE_UNICODE_WRITER
-    #define CYTHON_USE_UNICODE_WRITER 0
-  #elif !defined(CYTHON_USE_UNICODE_WRITER)
-    #define CYTHON_USE_UNICODE_WRITER 1
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-  #ifndef CYTHON_AVOID_BORROWED_REFS
-    #define CYTHON_AVOID_BORROWED_REFS 0
-  #endif
-  #ifndef CYTHON_ASSUME_SAFE_MACROS
-    #define CYTHON_ASSUME_SAFE_MACROS 1
-  #endif
-  #ifndef CYTHON_UNPACK_METHODS
-    #define CYTHON_UNPACK_METHODS 1
-  #endif
-  #ifndef CYTHON_FAST_THREAD_STATE
-    #define CYTHON_FAST_THREAD_STATE 1
-  #endif
-  #ifndef CYTHON_FAST_PYCALL
-    #define CYTHON_FAST_PYCALL 1
-  #endif
-  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
-    #define CYTHON_PEP489_MULTI_PHASE_INIT (0 && PY_VERSION_HEX >= 0x03050000)
-  #endif
-  #ifndef CYTHON_USE_TP_FINALIZE
-    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
-  #endif
-#endif
-#if !defined(CYTHON_FAST_PYCCALL)
-#define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
-#endif
-#if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
-  #undef SHIFT
-  #undef BASE
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-#ifndef __has_attribute
-  #define __has_attribute(x) 0
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-#ifndef __has_cpp_attribute
-  #define __has_cpp_attribute(x) 0
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-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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-    #define CYTHON_RESTRICT
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-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
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-#     define CYTHON_UNUSED
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-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-#ifndef CYTHON_MAYBE_UNUSED_VAR
-#  if defined(__cplusplus)
-     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
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-#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
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-#ifndef CYTHON_NCP_UNUSED
-# if CYTHON_COMPILING_IN_CPYTHON
-#  define CYTHON_NCP_UNUSED
-# else
-#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
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-#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
-#ifdef _MSC_VER
-    #ifndef _MSC_STDINT_H_
-        #if _MSC_VER < 1300
-           typedef unsigned char     uint8_t;
-           typedef unsigned int      uint32_t;
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-           typedef unsigned __int8   uint8_t;
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-   #include <stdint.h>
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-#ifndef CYTHON_FALLTHROUGH
-  #if defined(__cplusplus) && __cplusplus >= 201103L
-    #if __has_cpp_attribute(fallthrough)
-      #define CYTHON_FALLTHROUGH [[fallthrough]]
-    #elif __has_cpp_attribute(clang::fallthrough)
-      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
-    #elif __has_cpp_attribute(gnu::fallthrough)
-      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
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-  #ifndef CYTHON_FALLTHROUGH
-    #if __has_attribute(fallthrough)
-      #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
-    #else
-      #define CYTHON_FALLTHROUGH
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-  #endif
-  #if defined(__clang__ ) && defined(__apple_build_version__)
-    #if __apple_build_version__ < 7000000
-      #undef  CYTHON_FALLTHROUGH
-      #define CYTHON_FALLTHROUGH
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-
-#ifndef CYTHON_INLINE
-  #if defined(__clang__)
-    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
-  #elif defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
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-#endif
-
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
-  #define Py_OptimizeFlag 0
-#endif
-#define __PYX_BUILD_PY_SSIZE_T "n"
-#define CYTHON_FORMAT_SSIZE_T "z"
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyClass_Type
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-  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyType_Type
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-#ifndef Py_TPFLAGS_CHECKTYPES
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-#ifndef Py_TPFLAGS_HAVE_INDEX
-  #define Py_TPFLAGS_HAVE_INDEX 0
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-#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
-  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
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-#ifndef Py_TPFLAGS_HAVE_FINALIZE
-  #define Py_TPFLAGS_HAVE_FINALIZE 0
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-#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL)
-  #ifndef METH_FASTCALL
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-  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs);
-  typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
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-#else
-  #define __Pyx_PyCFunctionFast _PyCFunctionFast
-  #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
-#endif
-#if CYTHON_FAST_PYCCALL
-#define __Pyx_PyFastCFunction_Check(func)\
-    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS)))))
-#else
-#define __Pyx_PyFastCFunction_Check(func) 0
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
-  #define PyObject_Malloc(s)   PyMem_Malloc(s)
-  #define PyObject_Free(p)     PyMem_Free(p)
-  #define PyObject_Realloc(p)  PyMem_Realloc(p)
-#endif
-#if CYTHON_COMPILING_IN_PYSTON
-  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
-  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
-#else
-  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
-  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
-#endif
-#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
-  #define __Pyx_PyThreadState_Current PyThreadState_GET()
-#elif PY_VERSION_HEX >= 0x03060000
-  #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
-#elif PY_VERSION_HEX >= 0x03000000
-  #define __Pyx_PyThreadState_Current PyThreadState_GET()
-#else
-  #define __Pyx_PyThreadState_Current _PyThreadState_Current
-#endif
-#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
-#include "pythread.h"
-#define Py_tss_NEEDS_INIT 0
-typedef int Py_tss_t;
-static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) {
-  *key = PyThread_create_key();
-  return 0; // PyThread_create_key reports success always
-}
-static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) {
-  Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t));
-  *key = Py_tss_NEEDS_INIT;
-  return key;
-}
-static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) {
-  PyObject_Free(key);
-}
-static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) {
-  return *key != Py_tss_NEEDS_INIT;
-}
-static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) {
-  PyThread_delete_key(*key);
-  *key = Py_tss_NEEDS_INIT;
-}
-static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) {
-  return PyThread_set_key_value(*key, value);
-}
-static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
-  return PyThread_get_key_value(*key);
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-#endif // TSS (Thread Specific Storage) API
-#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
-#define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
-#else
-#define __Pyx_PyDict_NewPresized(n)  PyDict_New()
-#endif
-#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
-#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
-#else
-#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
-#endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
-  #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
-#else
-  #define CYTHON_PEP393_ENABLED 0
-  #define PyUnicode_1BYTE_KIND  1
-  #define PyUnicode_2BYTE_KIND  2
-  #define PyUnicode_4BYTE_KIND  4
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
-  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
-  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
-  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
-  #define PyObject_ASCII(o)            PyObject_Repr(o)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-  #define PyObject_Unicode             PyObject_Str
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#if CYTHON_ASSUME_SAFE_MACROS
-  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
-#else
-  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
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-#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
-#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
-#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
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-#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
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-#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
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-#define __Pyx_PyErr_Clear() PyErr_Clear()
-#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
-#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
-#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
-#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
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-/* GetAttr3.proto */
-static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *);
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-/* GetModuleGlobalName.proto */
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name);
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-/* RaiseTooManyValuesToUnpack.proto */
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-/* RaiseNeedMoreValuesToUnpack.proto */
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
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-/* IterFinish.proto */
-static CYTHON_INLINE int __Pyx_IterFinish(void);
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-/* UnpackItemEndCheck.proto */
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected);
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-/* PyFunctionFastCall.proto */
-#if CYTHON_FAST_PYCALL
-#define __Pyx_PyFunction_FastCall(func, args, nargs)\
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-#if 1 || PY_VERSION_HEX < 0x030600B1
-static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs);
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-#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
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-#endif
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-/* PyCFunctionFastCall.proto */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
-#else
-#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
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-/* PyObjectCall.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
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-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
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-/* RaiseException.proto */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
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-/* RaiseDoubleKeywords.proto */
-static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
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-/* ParseKeywords.proto */
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
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-/* RaiseArgTupleInvalid.proto */
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
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-/* PyObjectCallMethO.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
-#endif
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-/* PyObjectCallOneArg.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
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-/* WriteUnraisableException.proto */
-static void __Pyx_WriteUnraisable(const char *name, int clineno,
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-/* PyObjectSetAttrStr.proto */
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-#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o, n, NULL)
-static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value);
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-#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
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-/* RaiseNoneIterError.proto */
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-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
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-#define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
-static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
-#define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
-static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
-#else
-#define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
-#define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
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-/* GetException.proto */
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-#define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
-static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
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-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
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-/* PyObjectCallNoArg.proto */
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-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
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-#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
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-/* GetItemInt.proto */
-#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
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-    __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\
-    (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\
-               __Pyx_GetItemInt_Generic(o, to_py_func(i))))
-#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
-    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
-    __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
-    (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck);
-#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
-    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
-    __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
-    (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
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-static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck);
-
-/* pyobject_as_double.proto */
-static double __Pyx__PyObject_AsDouble(PyObject* obj);
-#if CYTHON_COMPILING_IN_PYPY
-#define __Pyx_PyObject_AsDouble(obj)\
-(likely(PyFloat_CheckExact(obj)) ? PyFloat_AS_DOUBLE(obj) :\
- likely(PyInt_CheckExact(obj)) ?\
- PyFloat_AsDouble(obj) : __Pyx__PyObject_AsDouble(obj))
-#else
-#define __Pyx_PyObject_AsDouble(obj)\
-((likely(PyFloat_CheckExact(obj))) ?\
- PyFloat_AS_DOUBLE(obj) : __Pyx__PyObject_AsDouble(obj))
-#endif
-
-/* py_dict_clear.proto */
-#define __Pyx_PyDict_Clear(d) (PyDict_Clear(d), 0)
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-/* SwapException.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_ExceptionSwap(type, value, tb)  __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb)
-static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
-#else
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
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-/* dict_getitem_default.proto */
-static PyObject* __Pyx_PyDict_GetItemDefault(PyObject* d, PyObject* key, PyObject* default_value);
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-/* UnpackUnboundCMethod.proto */
-typedef struct {
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-    PyObject **method_name;
-    PyCFunction func;
-    PyObject *method;
-    int flag;
-} __Pyx_CachedCFunction;
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-/* CallUnboundCMethod1.proto */
-static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg);
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg);
-#else
-#define __Pyx_CallUnboundCMethod1(cfunc, self, arg)  __Pyx__CallUnboundCMethod1(cfunc, self, arg)
-#endif
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-/* CallUnboundCMethod2.proto */
-static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2);
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030600B1
-static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2);
-#else
-#define __Pyx_CallUnboundCMethod2(cfunc, self, arg1, arg2)  __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2)
-#endif
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-/* py_dict_pop.proto */
-static CYTHON_INLINE PyObject *__Pyx_PyDict_Pop(PyObject *d, PyObject *key, PyObject *default_value);
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-/* ArgTypeTest.proto */
-#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
-    ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\
-        __Pyx__ArgTypeTest(obj, type, name, exact))
-static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
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-/* FastTypeChecks.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
-static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
-#else
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
-#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
-#endif
-#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
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-/* PyObject_GenericGetAttrNoDict.proto */
-#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name);
-#else
-#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr
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-/* PyObject_GenericGetAttr.proto */
-#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name);
-#else
-#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
-#endif
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-/* SetVTable.proto */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable);
-
-/* ImportFrom.proto */
-static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
-
-/* CalculateMetaclass.proto */
-static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases);
-
-/* Py3ClassCreate.proto */
-static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name, PyObject *qualname,
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-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, PyObject *dict,
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-
-/* FetchCommonType.proto */
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);
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-/* CythonFunction.proto */
-#define __Pyx_CyFunction_USED 1
-#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
-#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
-#define __Pyx_CYFUNCTION_CCLASS        0x04
-#define __Pyx_CyFunction_GetClosure(f)\
-    (((__pyx_CyFunctionObject *) (f))->func_closure)
-#define __Pyx_CyFunction_GetClassObj(f)\
-    (((__pyx_CyFunctionObject *) (f))->func_classobj)
-#define __Pyx_CyFunction_Defaults(type, f)\
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-#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
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-    PyObject *func_weakreflist;
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-    PyObject *func_dict;
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-    PyObject *func_qualname;
-    PyObject *func_doc;
-    PyObject *func_globals;
-    PyObject *func_code;
-    PyObject *func_closure;
-    PyObject *func_classobj;
-    void *defaults;
-    int defaults_pyobjects;
-    int flags;
-    PyObject *defaults_tuple;
-    PyObject *defaults_kwdict;
-    PyObject *(*defaults_getter)(PyObject *);
-    PyObject *func_annotations;
-} __pyx_CyFunctionObject;
-static PyTypeObject *__pyx_CyFunctionType = 0;
-#define __Pyx_CyFunction_NewEx(ml, flags, qualname, self, module, globals, code)\
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-static PyObject *__Pyx_CyFunction_New(PyTypeObject *, PyMethodDef *ml,
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-                                      PyObject *self,
-                                      PyObject *module, PyObject *globals,
-                                      PyObject* code);
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
-                                                         size_t size,
-                                                         int pyobjects);
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
-                                                            PyObject *tuple);
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
-                                                             PyObject *dict);
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
-                                                              PyObject *dict);
-static int __pyx_CyFunction_init(void);
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-/* SetNameInClass.proto */
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
-#define __Pyx_SetNameInClass(ns, name, value)\
-    (likely(PyDict_CheckExact(ns)) ? _PyDict_SetItem_KnownHash(ns, name, value, ((PyASCIIObject *) name)->hash) : PyObject_SetItem(ns, name, value))
-#elif CYTHON_COMPILING_IN_CPYTHON
-#define __Pyx_SetNameInClass(ns, name, value)\
-    (likely(PyDict_CheckExact(ns)) ? PyDict_SetItem(ns, name, value) : PyObject_SetItem(ns, name, value))
-#else
-#define __Pyx_SetNameInClass(ns, name, value)  PyObject_SetItem(ns, name, value)
-#endif
-
-/* CLineInTraceback.proto */
-#ifdef CYTHON_CLINE_IN_TRACEBACK
-#define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
-#else
-static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
-#endif
-
-/* CodeObjectCache.proto */
-typedef struct {
-    PyCodeObject* code_object;
-    int code_line;
-} __Pyx_CodeObjectCacheEntry;
-struct __Pyx_CodeObjectCache {
-    int count;
-    int max_count;
-    __Pyx_CodeObjectCacheEntry* entries;
-};
-static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
-static PyCodeObject *__pyx_find_code_object(int code_line);
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
-
-/* AddTraceback.proto */
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename);
-
-/* CIntToPy.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
-
-/* CIntToPy.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
-
-/* CIntFromPy.proto */
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
-
-/* CIntFromPy.proto */
-static CYTHON_INLINE unsigned short __Pyx_PyInt_As_unsigned_short(PyObject *);
-
-/* CIntFromPy.proto */
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
-
-/* CheckBinaryVersion.proto */
-static int __Pyx_check_binary_version(void);
-
-/* PyIdentifierFromString.proto */
-#if !defined(__Pyx_PyIdentifier_FromString)
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
-#else
-  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
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-#endif
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-/* ModuleImport.proto */
-static PyObject *__Pyx_ImportModule(const char *name);
-
-/* TypeImport.proto */
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);
-
-/* InitStrings.proto */
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
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-static PyObject *__pyx_f_6gevent_8resolver_5cares_7channel_set_servers(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, int __pyx_skip_dispatch, struct __pyx_opt_args_6gevent_8resolver_5cares_7channel_set_servers *__pyx_optional_args); /* proto*/
-static PyObject *__pyx_f_6gevent_8resolver_5cares_7channel__sock_state_callback(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, int __pyx_v_socket, int __pyx_v_read, int __pyx_v_write); /* proto*/
-static PyObject *__pyx_f_6gevent_8resolver_5cares_7channel__getnameinfo(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_callback, PyObject *__pyx_v_sockaddr, int __pyx_v_flags, int __pyx_skip_dispatch); /* proto*/
-
-/* Module declarations from 'gevent.resolver.libcares' */
-
-/* Module declarations from 'libc.string' */
-
-/* Module declarations from 'libc.stdio' */
-
-/* Module declarations from '__builtin__' */
-
-/* Module declarations from 'cpython.type' */
-static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0;
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-/* Module declarations from 'cpython' */
-
-/* Module declarations from 'cpython.object' */
-
-/* Module declarations from 'cpython.ref' */
-
-/* Module declarations from 'cpython.mem' */
-
-/* Module declarations from 'gevent.resolver.cares' */
-static PyTypeObject *__pyx_ptype_6gevent_8resolver_5cares_result = 0;
-static PyTypeObject *__pyx_ptype_6gevent_8resolver_5cares_channel = 0;
-static PyObject *__pyx_v_6gevent_8resolver_5cares_string_types = 0;
-static PyObject *__pyx_v_6gevent_8resolver_5cares_text_type = 0;
-static PyObject *__pyx_f_6gevent_8resolver_5cares__prepare_cares_flag_map(void); /*proto*/
-static PyObject *__pyx_f_6gevent_8resolver_5cares__convert_cares_flags(int, int __pyx_skip_dispatch, struct __pyx_opt_args_6gevent_8resolver_5cares__convert_cares_flags *__pyx_optional_args); /*proto*/
-static PyObject *__pyx_f_6gevent_8resolver_5cares_strerror(PyObject *, int __pyx_skip_dispatch); /*proto*/
-static void __pyx_f_6gevent_8resolver_5cares_gevent_sock_state_callback(void *, int, int, int); /*proto*/
-static void __pyx_f_6gevent_8resolver_5cares_gevent_ares_host_callback(void *, int, int, struct hostent *); /*proto*/
-static void __pyx_f_6gevent_8resolver_5cares_gevent_ares_nameinfo_callback(void *, int, int, char *, char *); /*proto*/
-#define __Pyx_MODULE_NAME "gevent.resolver.cares"
-extern int __pyx_module_is_main_gevent__resolver__cares;
-int __pyx_module_is_main_gevent__resolver__cares = 0;
-
-/* Implementation of 'gevent.resolver.cares' */
-static PyObject *__pyx_builtin_ValueError;
-static PyObject *__pyx_builtin_id;
-static PyObject *__pyx_builtin_MemoryError;
-static PyObject *__pyx_builtin_TypeError;
-static const char __pyx_k__2[] = ",";
-static const char __pyx_k_fd[] = "fd";
-static const char __pyx_k_id[] = "id";
-static const char __pyx_k_io[] = "io";
-static const char __pyx_k_all[] = "__all__";
-static const char __pyx_k_cls[] = "cls";
-static const char __pyx_k_doc[] = "__doc__";
-static const char __pyx_k_get[] = "get";
-static const char __pyx_k_new[] = "__new__";
-static const char __pyx_k_pop[] = "pop";
-static const char __pyx_k_s_r[] = "%s(%r)";
-static const char __pyx_k_s_s[] = "%s: %s";
-static const char __pyx_k_sys[] = "sys";
-static const char __pyx_k_addr[] = "addr";
-static const char __pyx_k_loop[] = "loop";
-static const char __pyx_k_main[] = "__main__";
-static const char __pyx_k_name[] = "__name__";
-static const char __pyx_k_self[] = "self";
-static const char __pyx_k_stop[] = "stop";
-static const char __pyx_k_test[] = "__test__";
-static const char __pyx_k_again[] = "again";
-static const char __pyx_k_ascii[] = "ascii";
-static const char __pyx_k_class[] = "__class__";
-static const char __pyx_k_close[] = "close";
-static const char __pyx_k_flags[] = "flags";
-static const char __pyx_k_ndots[] = "ndots";
-static const char __pyx_k_split[] = "split";
-static const char __pyx_k_start[] = "start";
-static const char __pyx_k_timer[] = "timer";
-static const char __pyx_k_tries[] = "tries";
-static const char __pyx_k_value[] = "value";
-static const char __pyx_k_encode[] = "encode";
-static const char __pyx_k_events[] = "events";
-static const char __pyx_k_family[] = "family";
-static const char __pyx_k_import[] = "__import__";
-static const char __pyx_k_module[] = "__module__";
-static const char __pyx_k_name_2[] = "name";
-static const char __pyx_k_socket[] = "_socket";
-static const char __pyx_k_TIMEOUT[] = "TIMEOUT";
-static const char __pyx_k_channel[] = "channel";
-static const char __pyx_k_default[] = "default";
-static const char __pyx_k_destroy[] = "destroy";
-static const char __pyx_k_prepare[] = "__prepare__";
-static const char __pyx_k_servers[] = "servers";
-static const char __pyx_k_timeout[] = "timeout";
-static const char __pyx_k_unicode[] = "unicode";
-static const char __pyx_k_watcher[] = "watcher";
-static const char __pyx_k_ARES_EOF[] = "ARES_EOF";
-static const char __pyx_k_NI_DGRAM[] = "NI_DGRAM";
-static const char __pyx_k_builtins[] = "__builtins__";
-static const char __pyx_k_callback[] = "callback";
-static const char __pyx_k_exc_info[] = "exc_info";
-static const char __pyx_k_gaierror[] = "gaierror";
-static const char __pyx_k_iterable[] = "iterable";
-static const char __pyx_k_on_timer[] = "_on_timer";
-static const char __pyx_k_qualname[] = "__qualname__";
-static const char __pyx_k_sockaddr[] = "sockaddr";
-static const char __pyx_k_tcp_port[] = "tcp_port";
-static const char __pyx_k_udp_port[] = "udp_port";
-static const char __pyx_k_InvalidIP[] = "InvalidIP";
-static const char __pyx_k_NI_NOFQDN[] = "NI_NOFQDN";
-static const char __pyx_k_TypeError[] = "TypeError";
-static const char __pyx_k_exception[] = "exception";
-static const char __pyx_k_metaclass[] = "__metaclass__";
-static const char __pyx_k_ARES_EFILE[] = "ARES_EFILE";
-static const char __pyx_k_ValueError[] = "ValueError";
-static const char __pyx_k_basestring[] = "basestring";
-static const char __pyx_k_getnewargs[] = "__getnewargs__";
-static const char __pyx_k_process_fd[] = "_process_fd";
-static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
-static const char __pyx_k_ARES_ENOMEM[] = "ARES_ENOMEM";
-static const char __pyx_k_MemoryError[] = "MemoryError";
-static const char __pyx_k_NI_NAMEREQD[] = "NI_NAMEREQD";
-static const char __pyx_k_ares_errors[] = "_ares_errors";
-static const char __pyx_k_getnameinfo[] = "_getnameinfo";
-static const char __pyx_k_pass_events[] = "pass_events";
-static const char __pyx_k_set_servers[] = "set_servers";
-static const char __pyx_k_ARES_EBADSTR[] = "ARES_EBADSTR";
-static const char __pyx_k_ARES_ENODATA[] = "ARES_ENODATA";
-static const char __pyx_k_ARES_ENONAME[] = "ARES_ENONAME";
-static const char __pyx_k_ARES_ENOTIMP[] = "ARES_ENOTIMP";
-static const char __pyx_k_ARES_SUCCESS[] = "ARES_SUCCESS";
-static const char __pyx_k_handle_error[] = "handle_error";
-static const char __pyx_k_version_info[] = "version_info";
-static const char __pyx_k_ARES_EBADNAME[] = "ARES_EBADNAME";
-static const char __pyx_k_ARES_EBADRESP[] = "ARES_EBADRESP";
-static const char __pyx_k_ARES_EFORMERR[] = "ARES_EFORMERR";
-static const char __pyx_k_ARES_EREFUSED[] = "ARES_EREFUSED";
-static const char __pyx_k_ARES_ETIMEOUT[] = "ARES_ETIMEOUT";
-static const char __pyx_k_s_exception_r[] = "%s(exception=%r)";
-static const char __pyx_k_ARES_EBADFLAGS[] = "ARES_EBADFLAGS";
-static const char __pyx_k_ARES_EBADHINTS[] = "ARES_EBADHINTS";
-static const char __pyx_k_ARES_EBADQUERY[] = "ARES_EBADQUERY";
-static const char __pyx_k_ARES_ENOTFOUND[] = "ARES_ENOTFOUND";
-static const char __pyx_k_ARES_ESERVFAIL[] = "ARES_ESERVFAIL";
-static const char __pyx_k_NI_NUMERICHOST[] = "NI_NUMERICHOST";
-static const char __pyx_k_NI_NUMERICSERV[] = "NI_NUMERICSERV";
-static const char __pyx_k_cares_flag_map[] = "_cares_flag_map";
-static const char __pyx_k_ARES_EBADFAMILY[] = "ARES_EBADFAMILY";
-static const char __pyx_k_ARES_ECANCELLED[] = "ARES_ECANCELLED";
-static const char __pyx_k_ARES_FLAG_IGNTC[] = "ARES_FLAG_IGNTC";
-static const char __pyx_k_ARES_FLAG_USEVC[] = "ARES_FLAG_USEVC";
-static const char __pyx_k_ares_host_result[] = "ares_host_result";
-static const char __pyx_k_ARES_ECONNREFUSED[] = "ARES_ECONNREFUSED";
-static const char __pyx_k_ARES_EDESTRUCTION[] = "ARES_EDESTRUCTION";
-static const char __pyx_k_ARES_FLAG_PRIMARY[] = "ARES_FLAG_PRIMARY";
-static const char __pyx_k_ARES_ELOADIPHLPAPI[] = "ARES_ELOADIPHLPAPI";
-static const char __pyx_k_ARES_FLAG_NOSEARCH[] = "ARES_FLAG_NOSEARCH";
-static const char __pyx_k_ARES_FLAG_STAYOPEN[] = "ARES_FLAG_STAYOPEN";
-static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
-static const char __pyx_k_ARES_FLAG_NOALIASES[] = "ARES_FLAG_NOALIASES";
-static const char __pyx_k_ARES_FLAG_NORECURSE[] = "ARES_FLAG_NORECURSE";
-static const char __pyx_k_ARES_ENOTINITIALIZED[] = "ARES_ENOTINITIALIZED";
-static const char __pyx_k_ARES_FLAG_NOCHECKRESP[] = "ARES_FLAG_NOCHECKRESP";
-static const char __pyx_k_gevent_resolver_cares[] = "gevent.resolver.cares";
-static const char __pyx_k_s_value_r_exception_r[] = "%s(value=%r, exception=%r)";
-static const char __pyx_k_ares_host_result___new[] = "ares_host_result.__new__";
-static const char __pyx_k_expected_a_tuple_got_r[] = "expected a tuple, got %r";
-static const char __pyx_k_Invalid_value_for_port_r[] = "Invalid value for port: %r";
-static const char __pyx_k_ARES_EADDRGETNETWORKPARAMS[] = "ARES_EADDRGETNETWORKPARAMS";
-static const char __pyx_k_Bad_value_for_ai_flags_0x_x[] = "Bad value for ai_flags: 0x%x";
-static const char __pyx_k_ares_host_result___getnewargs[] = "ares_host_result.__getnewargs__";
-static const char __pyx_k_src_gevent_resolver_cares_pyx[] = "src\\gevent\\resolver\\cares.pyx";
-static const char __pyx_k_s_at_0x_x__timer_r__watchers_s[] = "<%s at 0x%x _timer=%r _watchers[%s]>";
-static const char __pyx_k_this_ares_channel_has_been_destr[] = "this ares channel has been destroyed";
-static PyObject *__pyx_n_s_ARES_EADDRGETNETWORKPARAMS;
-static PyObject *__pyx_n_s_ARES_EBADFAMILY;
-static PyObject *__pyx_n_s_ARES_EBADFLAGS;
-static PyObject *__pyx_n_s_ARES_EBADHINTS;
-static PyObject *__pyx_n_s_ARES_EBADNAME;
-static PyObject *__pyx_n_s_ARES_EBADQUERY;
-static PyObject *__pyx_n_s_ARES_EBADRESP;
-static PyObject *__pyx_n_s_ARES_EBADSTR;
-static PyObject *__pyx_n_s_ARES_ECANCELLED;
-static PyObject *__pyx_n_s_ARES_ECONNREFUSED;
-static PyObject *__pyx_n_s_ARES_EDESTRUCTION;
-static PyObject *__pyx_n_s_ARES_EFILE;
-static PyObject *__pyx_n_s_ARES_EFORMERR;
-static PyObject *__pyx_n_s_ARES_ELOADIPHLPAPI;
-static PyObject *__pyx_n_s_ARES_ENODATA;
-static PyObject *__pyx_n_s_ARES_ENOMEM;
-static PyObject *__pyx_n_s_ARES_ENONAME;
-static PyObject *__pyx_n_s_ARES_ENOTFOUND;
-static PyObject *__pyx_n_s_ARES_ENOTIMP;
-static PyObject *__pyx_n_s_ARES_ENOTINITIALIZED;
-static PyObject *__pyx_n_s_ARES_EOF;
-static PyObject *__pyx_n_s_ARES_EREFUSED;
-static PyObject *__pyx_n_s_ARES_ESERVFAIL;
-static PyObject *__pyx_n_s_ARES_ETIMEOUT;
-static PyObject *__pyx_n_s_ARES_FLAG_IGNTC;
-static PyObject *__pyx_n_s_ARES_FLAG_NOALIASES;
-static PyObject *__pyx_n_s_ARES_FLAG_NOCHECKRESP;
-static PyObject *__pyx_n_s_ARES_FLAG_NORECURSE;
-static PyObject *__pyx_n_s_ARES_FLAG_NOSEARCH;
-static PyObject *__pyx_n_s_ARES_FLAG_PRIMARY;
-static PyObject *__pyx_n_s_ARES_FLAG_STAYOPEN;
-static PyObject *__pyx_n_s_ARES_FLAG_USEVC;
-static PyObject *__pyx_n_s_ARES_SUCCESS;
-static PyObject *__pyx_kp_s_Bad_value_for_ai_flags_0x_x;
-static PyObject *__pyx_n_s_InvalidIP;
-static PyObject *__pyx_kp_s_Invalid_value_for_port_r;
-static PyObject *__pyx_n_s_MemoryError;
-static PyObject *__pyx_n_s_NI_DGRAM;
-static PyObject *__pyx_n_s_NI_NAMEREQD;
-static PyObject *__pyx_n_s_NI_NOFQDN;
-static PyObject *__pyx_n_s_NI_NUMERICHOST;
-static PyObject *__pyx_n_s_NI_NUMERICSERV;
-static PyObject *__pyx_n_s_TIMEOUT;
-static PyObject *__pyx_n_s_TypeError;
-static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_kp_s__2;
-static PyObject *__pyx_n_s_addr;
-static PyObject *__pyx_n_s_again;
-static PyObject *__pyx_n_s_all;
-static PyObject *__pyx_n_s_ares_errors;
-static PyObject *__pyx_n_s_ares_host_result;
-static PyObject *__pyx_n_s_ares_host_result___getnewargs;
-static PyObject *__pyx_n_s_ares_host_result___new;
-static PyObject *__pyx_n_s_ascii;
-static PyObject *__pyx_n_s_basestring;
-static PyObject *__pyx_n_s_builtins;
-static PyObject *__pyx_n_s_callback;
-static PyObject *__pyx_n_s_cares_flag_map;
-static PyObject *__pyx_n_s_channel;
-static PyObject *__pyx_n_s_class;
-static PyObject *__pyx_n_s_cline_in_traceback;
-static PyObject *__pyx_n_s_close;
-static PyObject *__pyx_n_s_cls;
-static PyObject *__pyx_n_s_default;
-static PyObject *__pyx_n_s_destroy;
-static PyObject *__pyx_n_s_doc;
-static PyObject *__pyx_n_s_encode;
-static PyObject *__pyx_n_s_events;
-static PyObject *__pyx_n_s_exc_info;
-static PyObject *__pyx_n_s_exception;
-static PyObject *__pyx_kp_s_expected_a_tuple_got_r;
-static PyObject *__pyx_n_s_family;
-static PyObject *__pyx_n_s_fd;
-static PyObject *__pyx_n_s_flags;
-static PyObject *__pyx_n_s_gaierror;
-static PyObject *__pyx_n_s_get;
-static PyObject *__pyx_n_s_getnameinfo;
-static PyObject *__pyx_n_s_getnewargs;
-static PyObject *__pyx_n_s_gevent_resolver_cares;
-static PyObject *__pyx_n_s_handle_error;
-static PyObject *__pyx_n_s_id;
-static PyObject *__pyx_n_s_import;
-static PyObject *__pyx_n_s_io;
-static PyObject *__pyx_n_s_iterable;
-static PyObject *__pyx_n_s_loop;
-static PyObject *__pyx_n_s_main;
-static PyObject *__pyx_n_s_metaclass;
-static PyObject *__pyx_n_s_module;
-static PyObject *__pyx_n_s_name;
-static PyObject *__pyx_n_s_name_2;
-static PyObject *__pyx_n_s_ndots;
-static PyObject *__pyx_n_s_new;
-static PyObject *__pyx_n_s_on_timer;
-static PyObject *__pyx_n_s_pass_events;
-static PyObject *__pyx_n_s_pop;
-static PyObject *__pyx_n_s_prepare;
-static PyObject *__pyx_n_s_process_fd;
-static PyObject *__pyx_n_s_pyx_vtable;
-static PyObject *__pyx_n_s_qualname;
-static PyObject *__pyx_kp_s_s_at_0x_x__timer_r__watchers_s;
-static PyObject *__pyx_kp_s_s_exception_r;
-static PyObject *__pyx_kp_s_s_r;
-static PyObject *__pyx_kp_s_s_s;
-static PyObject *__pyx_kp_s_s_value_r_exception_r;
-static PyObject *__pyx_n_s_self;
-static PyObject *__pyx_n_s_servers;
-static PyObject *__pyx_n_s_set_servers;
-static PyObject *__pyx_n_s_sockaddr;
-static PyObject *__pyx_n_s_socket;
-static PyObject *__pyx_n_s_split;
-static PyObject *__pyx_kp_s_src_gevent_resolver_cares_pyx;
-static PyObject *__pyx_n_s_start;
-static PyObject *__pyx_n_s_stop;
-static PyObject *__pyx_n_s_sys;
-static PyObject *__pyx_n_s_tcp_port;
-static PyObject *__pyx_n_s_test;
-static PyObject *__pyx_kp_s_this_ares_channel_has_been_destr;
-static PyObject *__pyx_n_s_timeout;
-static PyObject *__pyx_n_s_timer;
-static PyObject *__pyx_n_s_tries;
-static PyObject *__pyx_n_s_udp_port;
-static PyObject *__pyx_n_s_unicode;
-static PyObject *__pyx_n_s_value;
-static PyObject *__pyx_n_s_version_info;
-static PyObject *__pyx_n_s_watcher;
-static PyObject *__pyx_pf_6gevent_8resolver_5cares__convert_cares_flags(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_flags, int __pyx_v_default); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_2strerror(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_code); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_6result___init__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self, PyObject *__pyx_v_value, PyObject *__pyx_v_exception); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_6result_2__repr__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_6result_4successful(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_6result_6get(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_6result_5value___get__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_6result_5value_2__set__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_6result_5value_4__del__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_6result_9exception___get__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_6result_9exception_2__set__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_6result_9exception_4__del__(struct __pyx_obj_6gevent_8resolver_5cares_result *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_16ares_host_result___new__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_cls, PyObject *__pyx_v_family, PyObject *__pyx_v_iterable); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_16ares_host_result_2__getnewargs__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_7channel___init__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_loop, PyObject *__pyx_v_flags, PyObject *__pyx_v_timeout, PyObject *__pyx_v_tries, PyObject *__pyx_v_ndots, PyObject *__pyx_v_udp_port, PyObject *__pyx_v_tcp_port, PyObject *__pyx_v_servers); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_2__repr__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_4destroy(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static void __pyx_pf_6gevent_8resolver_5cares_7channel_6__dealloc__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_8set_servers(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_servers); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_10_on_timer(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_12_process_fd(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, int __pyx_v_events, PyObject *__pyx_v_watcher); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_14gethostbyname(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_callback, char *__pyx_v_name, int __pyx_v_family); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_16gethostbyaddr(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_callback, char *__pyx_v_addr); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_18_getnameinfo(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_callback, PyObject *__pyx_v_sockaddr, int __pyx_v_flags); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_20getnameinfo(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_callback, PyObject *__pyx_v_sockaddr, int __pyx_v_flags); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_4loop___get__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_7channel_4loop_2__set__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_7channel_4loop_4__del__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_9_watchers___get__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_7channel_9_watchers_2__set__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_7channel_9_watchers_4__del__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_6gevent_8resolver_5cares_7channel_6_timer___get__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self); /* proto */
-static int __pyx_pf_6gevent_8resolver_5cares_7channel_6_timer_2__set__(struct __pyx_obj_6gevent_8resolver_5cares_channel *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
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-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
-    PyObject *exc_type = tstate->curexc_type;
-    if (exc_type == err) return 1;
-    if (unlikely(!exc_type)) return 0;
-    if (unlikely(PyTuple_Check(err)))
-        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
-    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
-}
-#endif
-
-/* PyErrFetchRestore */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-}
-#endif
-
-/* GetAttr */
-static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
-#if CYTHON_USE_TYPE_SLOTS
-#if PY_MAJOR_VERSION >= 3
-    if (likely(PyUnicode_Check(n)))
-#else
-    if (likely(PyString_Check(n)))
-#endif
-        return __Pyx_PyObject_GetAttrStr(o, n);
-#endif
-    return PyObject_GetAttr(o, n);
-}
-
-/* GetAttr3 */
-static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
-        return NULL;
-    __Pyx_PyErr_Clear();
-    Py_INCREF(d);
-    return d;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
-    PyObject *r = __Pyx_GetAttr(o, n);
-    return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
-}
-
-/* GetModuleGlobalName */
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if !CYTHON_AVOID_BORROWED_REFS
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
-    result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
-    if (likely(result)) {
-        Py_INCREF(result);
-    } else if (unlikely(PyErr_Occurred())) {
-        result = NULL;
-    } else {
-#else
-    result = PyDict_GetItem(__pyx_d, name);
-    if (likely(result)) {
-        Py_INCREF(result);
-    } else {
-#endif
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-/* RaiseTooManyValuesToUnpack */
-    static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-/* RaiseNeedMoreValuesToUnpack */
-    static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-/* IterFinish */
-    static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_FAST_THREAD_STATE
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#endif
-}
-
-/* UnpackItemEndCheck */
-    static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-/* PyFunctionFastCall */
-    #if CYTHON_FAST_PYCALL
-#include "frameobject.h"
-static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
-                                               PyObject *globals) {
-    PyFrameObject *f;
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    PyObject **fastlocals;
-    Py_ssize_t i;
-    PyObject *result;
-    assert(globals != NULL);
-    /* XXX Perhaps we should create a specialized
-       PyFrame_New() that doesn't take locals, but does
-       take builtins without sanity checking them.
-       */
-    assert(tstate != NULL);
-    f = PyFrame_New(tstate, co, globals, NULL);
-    if (f == NULL) {
-        return NULL;
-    }
-    fastlocals = f->f_localsplus;
-    for (i = 0; i < na; i++) {
-        Py_INCREF(*args);
-        fastlocals[i] = *args++;
-    }
-    result = PyEval_EvalFrameEx(f,0);
-    ++tstate->recursion_depth;
-    Py_DECREF(f);
-    --tstate->recursion_depth;
-    return result;
-}
-#if 1 || PY_VERSION_HEX < 0x030600B1
-static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs) {
-    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
-    PyObject *globals = PyFunction_GET_GLOBALS(func);
-    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
-    PyObject *closure;
-#if PY_MAJOR_VERSION >= 3
-    PyObject *kwdefs;
-#endif
-    PyObject *kwtuple, **k;
-    PyObject **d;
-    Py_ssize_t nd;
-    Py_ssize_t nk;
-    PyObject *result;
-    assert(kwargs == NULL || PyDict_Check(kwargs));
-    nk = kwargs ? PyDict_Size(kwargs) : 0;
-    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
-        return NULL;
-    }
-    if (
-#if PY_MAJOR_VERSION >= 3
-            co->co_kwonlyargcount == 0 &&
-#endif
-            likely(kwargs == NULL || nk == 0) &&
-            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
-        if (argdefs == NULL && co->co_argcount == nargs) {
-            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
-            goto done;
-        }
-        else if (nargs == 0 && argdefs != NULL
-                 && co->co_argcount == Py_SIZE(argdefs)) {
-            /* function called with no arguments, but all parameters have
-               a default value: use default values as arguments .*/
-            args = &PyTuple_GET_ITEM(argdefs, 0);
-            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
-            goto done;
-        }
-    }
-    if (kwargs != NULL) {
-        Py_ssize_t pos, i;
-        kwtuple = PyTuple_New(2 * nk);
-        if (kwtuple == NULL) {
-            result = NULL;
-            goto done;
-        }
-        k = &PyTuple_GET_ITEM(kwtuple, 0);
-        pos = i = 0;
-        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
-            Py_INCREF(k[i]);
-            Py_INCREF(k[i+1]);
-            i += 2;
-        }
-        nk = i / 2;
-    }
-    else {
-        kwtuple = NULL;
-        k = NULL;
-    }
-    closure = PyFunction_GET_CLOSURE(func);
-#if PY_MAJOR_VERSION >= 3
-    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
-#endif
-    if (argdefs != NULL) {
-        d = &PyTuple_GET_ITEM(argdefs, 0);
-        nd = Py_SIZE(argdefs);
-    }
-    else {
-        d = NULL;
-        nd = 0;
-    }
-#if PY_MAJOR_VERSION >= 3
-    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
-                               args, nargs,
-                               k, (int)nk,
-                               d, (int)nd, kwdefs, closure);
-#else
-    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
-                               args, nargs,
-                               k, (int)nk,
-                               d, (int)nd, closure);
-#endif
-    Py_XDECREF(kwtuple);
-done:
-    Py_LeaveRecursiveCall();
-    return result;
-}
-#endif
-#endif
-
-/* PyCFunctionFastCall */
-    #if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
-    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    int flags = PyCFunction_GET_FLAGS(func);
-    assert(PyCFunction_Check(func));
-    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS)));
-    assert(nargs >= 0);
-    assert(nargs == 0 || args != NULL);
-    /* _PyCFunction_FastCallDict() must not be called with an exception set,
-       because it may clear it (directly or indirectly) and so the
-       caller loses its exception */
-    assert(!PyErr_Occurred());
-    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
-        return (*((__Pyx_PyCFunctionFastWithKeywords)meth)) (self, args, nargs, NULL);
-    } else {
-        return (*((__Pyx_PyCFunctionFast)meth)) (self, args, nargs);
-    }
-}
-#endif
-
-/* PyObjectCall */
-    #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-/* RaiseException */
-    #if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    __Pyx_PyThreadState_declare
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    if (PyType_Check(type)) {
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-    }
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                int is_subclass = PyObject_IsSubclass(instance_class, type);
-                if (!is_subclass) {
-                    instance_class = NULL;
-                } else if (unlikely(is_subclass == -1)) {
-                    goto bad;
-                } else {
-                    type = instance_class;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-    if (cause) {
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-#if CYTHON_COMPILING_IN_PYPY
-        PyObject *tmp_type, *tmp_value, *tmp_tb;
-        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
-        Py_INCREF(tb);
-        PyErr_Restore(tmp_type, tmp_value, tb);
-        Py_XDECREF(tmp_tb);
-#else
-        PyThreadState *tstate = __Pyx_PyThreadState_Current;
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-#endif
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-/* RaiseDoubleKeywords */
-    static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-/* ParseKeywords */
-    static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-/* RaiseArgTupleInvalid */
-    static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-/* PyObjectCallMethO */
-    #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
-    PyObject *self, *result;
-    PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = cfunc(self, arg);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-/* PyObjectCallOneArg */
-    #if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, &arg, 1);
-    }
-#endif
-    if (likely(PyCFunction_Check(func))) {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-#if CYTHON_FAST_PYCCALL
-        } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
-            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
-#endif
-        }
-    }
-    return __Pyx__PyObject_CallOneArg(func, arg);
-}
-#else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_Pack(1, arg);
-    if (unlikely(!args)) return NULL;
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
-}
-#endif
-
-/* WriteUnraisableException */
-    static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
-                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
-                                  int full_traceback, CYTHON_UNUSED int nogil) {
-    PyObject *old_exc, *old_val, *old_tb;
-    PyObject *ctx;
-    __Pyx_PyThreadState_declare
-#ifdef WITH_THREAD
-    PyGILState_STATE state;
-    if (nogil)
-        state = PyGILState_Ensure();
-#ifdef _MSC_VER
-    else state = (PyGILState_STATE)-1;
-#endif
-#endif
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
-    if (full_traceback) {
-        Py_XINCREF(old_exc);
-        Py_XINCREF(old_val);
-        Py_XINCREF(old_tb);
-        __Pyx_ErrRestore(old_exc, old_val, old_tb);
-        PyErr_PrintEx(1);
-    }
-    #if PY_MAJOR_VERSION < 3
-    ctx = PyString_FromString(name);
-    #else
-    ctx = PyUnicode_FromString(name);
-    #endif
-    __Pyx_ErrRestore(old_exc, old_val, old_tb);
-    if (!ctx) {
-        PyErr_WriteUnraisable(Py_None);
-    } else {
-        PyErr_WriteUnraisable(ctx);
-        Py_DECREF(ctx);
-    }
-#ifdef WITH_THREAD
-    if (nogil)
-        PyGILState_Release(state);
-#endif
-}
-
-/* PyObjectSetAttrStr */
-    #if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_setattro))
-        return tp->tp_setattro(obj, attr_name, value);
-#if PY_MAJOR_VERSION < 3
-    if (likely(tp->tp_setattr))
-        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
-#endif
-    return PyObject_SetAttr(obj, attr_name, value);
-}
-#endif
-
-/* RaiseNoneIterError */
-    static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-}
-
-/* ExtTypeTest */
-    static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (likely(__Pyx_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
-    return 0;
-}
-
-/* SaveResetException */
-    #if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    #if PY_VERSION_HEX >= 0x030700A3
-    *type = tstate->exc_state.exc_type;
-    *value = tstate->exc_state.exc_value;
-    *tb = tstate->exc_state.exc_traceback;
-    #else
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    #endif
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-}
-static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if PY_VERSION_HEX >= 0x030700A3
-    tmp_type = tstate->exc_state.exc_type;
-    tmp_value = tstate->exc_state.exc_value;
-    tmp_tb = tstate->exc_state.exc_traceback;
-    tstate->exc_state.exc_type = type;
-    tstate->exc_state.exc_value = value;
-    tstate->exc_state.exc_traceback = tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-#endif
-
-/* GetException */
-    #if CYTHON_FAST_THREAD_STATE
-static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-#else
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
-#endif
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_FAST_THREAD_STATE
-    if (unlikely(tstate->curexc_type))
-#else
-    if (unlikely(PyErr_Occurred()))
-#endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
-    }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    #if PY_VERSION_HEX >= 0x030700A3
-    tmp_type = tstate->exc_state.exc_type;
-    tmp_value = tstate->exc_state.exc_value;
-    tmp_tb = tstate->exc_state.exc_traceback;
-    tstate->exc_state.exc_type = local_type;
-    tstate->exc_state.exc_value = local_value;
-    tstate->exc_state.exc_traceback = local_tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
-#endif
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-/* PyObjectCallNoArg */
-      #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, NULL, 0);
-    }
-#endif
-#ifdef __Pyx_CyFunction_USED
-    if (likely(PyCFunction_Check(func) || __Pyx_TypeCheck(func, __pyx_CyFunctionType))) {
-#else
-    if (likely(PyCFunction_Check(func))) {
-#endif
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
-            return __Pyx_PyObject_CallMethO(func, NULL);
-        }
-    }
-    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
-}
-#endif
-
-/* GetItemInt */
-        static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyList_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely((0 <= wrapped_i) & (wrapped_i < PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyTuple_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely((0 <= wrapped_i) & (wrapped_i < PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
-                                                     CYTHON_NCP_UNUSED int wraparound,
-                                                     CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
-                        return NULL;
-                    PyErr_Clear();
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-/* pyobject_as_double */
-        static double __Pyx__PyObject_AsDouble(PyObject* obj) {
-    PyObject* float_value;
-#if !CYTHON_USE_TYPE_SLOTS
-    float_value = PyNumber_Float(obj);  if (0) goto bad;
-#else
-    PyNumberMethods *nb = Py_TYPE(obj)->tp_as_number;
-    if (likely(nb) && likely(nb->nb_float)) {
-        float_value = nb->nb_float(obj);
-        if (likely(float_value) && unlikely(!PyFloat_Check(float_value))) {
-            PyErr_Format(PyExc_TypeError,
-                "__float__ returned non-float (type %.200s)",
-                Py_TYPE(float_value)->tp_name);
-            Py_DECREF(float_value);
-            goto bad;
-        }
-    } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
-#if PY_MAJOR_VERSION >= 3
-        float_value = PyFloat_FromString(obj);
-#else
-        float_value = PyFloat_FromString(obj, 0);
-#endif
-    } else {
-        PyObject* args = PyTuple_New(1);
-        if (unlikely(!args)) goto bad;
-        PyTuple_SET_ITEM(args, 0, obj);
-        float_value = PyObject_Call((PyObject*)&PyFloat_Type, args, 0);
-        PyTuple_SET_ITEM(args, 0, 0);
-        Py_DECREF(args);
-    }
-#endif
-    if (likely(float_value)) {
-        double value = PyFloat_AS_DOUBLE(float_value);
-        Py_DECREF(float_value);
-        return value;
-    }
-bad:
-    return (double)-1;
-}
-
-/* SwapException */
-        #if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if PY_VERSION_HEX >= 0x030700A3
-    tmp_type = tstate->exc_state.exc_type;
-    tmp_value = tstate->exc_state.exc_value;
-    tmp_tb = tstate->exc_state.exc_traceback;
-    tstate->exc_state.exc_type = *type;
-    tstate->exc_state.exc_value = *value;
-    tstate->exc_state.exc_traceback = *tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-    #endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-#else
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-#endif
-
-/* UnpackUnboundCMethod */
-        static int __Pyx_TryUnpackUnboundCMethod(__Pyx_CachedCFunction* target) {
-    PyObject *method;
-    method = __Pyx_PyObject_GetAttrStr(target->type, *target->method_name);
-    if (unlikely(!method))
-        return -1;
-    target->method = method;
-#if CYTHON_COMPILING_IN_CPYTHON
-    #if PY_MAJOR_VERSION >= 3
-    if (likely(__Pyx_TypeCheck(method, &PyMethodDescr_Type)))
-    #endif
-    {
-        PyMethodDescrObject *descr = (PyMethodDescrObject*) method;
-        target->func = descr->d_method->ml_meth;
-        target->flag = descr->d_method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
-    }
-#endif
-    return 0;
-}
-
-/* CallUnboundCMethod1 */
-        #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg) {
-    if (likely(cfunc->func)) {
-        int flag = cfunc->flag;
-        if (flag == METH_O) {
-            return (*(cfunc->func))(self, arg);
-        } else if (PY_VERSION_HEX >= 0x030600B1 && flag == METH_FASTCALL) {
-            if (PY_VERSION_HEX >= 0x030700A0) {
-                return (*(__Pyx_PyCFunctionFast)cfunc->func)(self, &arg, 1);
-            } else {
-                return (*(__Pyx_PyCFunctionFastWithKeywords)cfunc->func)(self, &arg, 1, NULL);
-            }
-        } else if (PY_VERSION_HEX >= 0x030700A0 && flag == (METH_FASTCALL | METH_KEYWORDS)) {
-            return (*(__Pyx_PyCFunctionFastWithKeywords)cfunc->func)(self, &arg, 1, NULL);
-        }
-    }
-    return __Pyx__CallUnboundCMethod1(cfunc, self, arg);
-}
-#endif
-static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg){
-    PyObject *args, *result = NULL;
-    if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (cfunc->func && (cfunc->flag & METH_VARARGS)) {
-        args = PyTuple_New(1);
-        if (unlikely(!args)) goto bad;
-        Py_INCREF(arg);
-        PyTuple_SET_ITEM(args, 0, arg);
-        if (cfunc->flag & METH_KEYWORDS)
-            result = (*(PyCFunctionWithKeywords)cfunc->func)(self, args, NULL);
-        else
-            result = (*cfunc->func)(self, args);
-    } else {
-        args = PyTuple_New(2);
-        if (unlikely(!args)) goto bad;
-        Py_INCREF(self);
-        PyTuple_SET_ITEM(args, 0, self);
-        Py_INCREF(arg);
-        PyTuple_SET_ITEM(args, 1, arg);
-        result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
-    }
-#else
-    args = PyTuple_Pack(2, self, arg);
-    if (unlikely(!args)) goto bad;
-    result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
-#endif
-bad:
-    Py_XDECREF(args);
-    return result;
-}
-
-/* CallUnboundCMethod2 */
-        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030600B1
-static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2) {
-    if (likely(cfunc->func)) {
-        PyObject *args[2] = {arg1, arg2};
-        if (cfunc->flag == METH_FASTCALL) {
-            #if PY_VERSION_HEX >= 0x030700A0
-            return (*(__Pyx_PyCFunctionFast)cfunc->func)(self, args, 2);
-            #else
-            return (*(__Pyx_PyCFunctionFastWithKeywords)cfunc->func)(self, args, 2, NULL);
-            #endif
-        }
-        #if PY_VERSION_HEX >= 0x030700A0
-        if (cfunc->flag == (METH_FASTCALL | METH_KEYWORDS))
-            return (*(__Pyx_PyCFunctionFastWithKeywords)cfunc->func)(self, args, 2, NULL);
-        #endif
-    }
-    return __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2);
-}
-#endif
-static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2){
-    PyObject *args, *result = NULL;
-    if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (cfunc->func && (cfunc->flag & METH_VARARGS)) {
-        args = PyTuple_New(2);
-        if (unlikely(!args)) goto bad;
-        Py_INCREF(arg1);
-        PyTuple_SET_ITEM(args, 0, arg1);
-        Py_INCREF(arg2);
-        PyTuple_SET_ITEM(args, 1, arg2);
-        if (cfunc->flag & METH_KEYWORDS)
-            result = (*(PyCFunctionWithKeywords)cfunc->func)(self, args, NULL);
-        else
-            result = (*cfunc->func)(self, args);
-    } else {
-        args = PyTuple_New(3);
-        if (unlikely(!args)) goto bad;
-        Py_INCREF(self);
-        PyTuple_SET_ITEM(args, 0, self);
-        Py_INCREF(arg1);
-        PyTuple_SET_ITEM(args, 1, arg1);
-        Py_INCREF(arg2);
-        PyTuple_SET_ITEM(args, 2, arg2);
-        result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
-    }
-#else
-    args = PyTuple_Pack(3, self, arg1, arg2);
-    if (unlikely(!args)) goto bad;
-    result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
-#endif
-bad:
-    Py_XDECREF(args);
-    return result;
-}
-
-/* dict_getitem_default */
-        static PyObject* __Pyx_PyDict_GetItemDefault(PyObject* d, PyObject* key, PyObject* default_value) {
-    PyObject* value;
-#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
-    value = PyDict_GetItemWithError(d, key);
-    if (unlikely(!value)) {
-        if (unlikely(PyErr_Occurred()))
-            return NULL;
-        value = default_value;
-    }
-    Py_INCREF(value);
-    if ((1));
-#else
-    if (PyString_CheckExact(key) || PyUnicode_CheckExact(key) || PyInt_CheckExact(key)) {
-        value = PyDict_GetItem(d, key);
-        if (unlikely(!value)) {
-            value = default_value;
-        }
-        Py_INCREF(value);
-    }
-#endif
-    else {
-        if (default_value == Py_None)
-            value = __Pyx_CallUnboundCMethod1(&__pyx_umethod_PyDict_Type_get, d, key);
-        else
-            value = __Pyx_CallUnboundCMethod2(&__pyx_umethod_PyDict_Type_get, d, key, default_value);
-    }
-    return value;
-}
-
-/* py_dict_pop */
-        static CYTHON_INLINE PyObject *__Pyx_PyDict_Pop(PyObject *d, PyObject *key, PyObject *default_value) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX > 0x030600B3
-    if ((1)) {
-        return _PyDict_Pop(d, key, default_value);
-    } else
-#endif
-    if (default_value) {
-        return __Pyx_CallUnboundCMethod2(&__pyx_umethod_PyDict_Type_pop, d, key, default_value);
-    } else {
-        return __Pyx_CallUnboundCMethod1(&__pyx_umethod_PyDict_Type_pop, d, key);
-    }
-}
-
-/* ArgTypeTest */
-        static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
-{
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    else if (exact) {
-        #if PY_MAJOR_VERSION == 2
-        if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
-        #endif
-    }
-    else {
-        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
-    return 0;
-}
-
-/* FastTypeChecks */
-        #if CYTHON_COMPILING_IN_CPYTHON
-static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
-    while (a) {
-        a = a->tp_base;
-        if (a == b)
-            return 1;
-    }
-    return b == &PyBaseObject_Type;
-}
-static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
-    PyObject *mro;
-    if (a == b) return 1;
-    mro = a->tp_mro;
-    if (likely(mro)) {
-        Py_ssize_t i, n;
-        n = PyTuple_GET_SIZE(mro);
-        for (i = 0; i < n; i++) {
-            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
-                return 1;
-        }
-        return 0;
-    }
-    return __Pyx_InBases(a, b);
-}
-#if PY_MAJOR_VERSION == 2
-static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
-    PyObject *exception, *value, *tb;
-    int res;
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrFetch(&exception, &value, &tb);
-    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
-    if (unlikely(res == -1)) {
-        PyErr_WriteUnraisable(err);
-        res = 0;
-    }
-    if (!res) {
-        res = PyObject_IsSubclass(err, exc_type2);
-        if (unlikely(res == -1)) {
-            PyErr_WriteUnraisable(err);
-            res = 0;
-        }
-    }
-    __Pyx_ErrRestore(exception, value, tb);
-    return res;
-}
-#else
-static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
-    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
-    if (!res) {
-        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
-    }
-    return res;
-}
-#endif
-static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    assert(PyExceptionClass_Check(exc_type));
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
-    }
-#endif
-    for (i=0; i<n; i++) {
-        PyObject *t = PyTuple_GET_ITEM(tuple, i);
-        #if PY_MAJOR_VERSION < 3
-        if (likely(exc_type == t)) return 1;
-        #endif
-        if (likely(PyExceptionClass_Check(t))) {
-            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
-        } else {
-        }
-    }
-    return 0;
-}
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
-    if (likely(err == exc_type)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        if (likely(PyExceptionClass_Check(exc_type))) {
-            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
-        } else if (likely(PyTuple_Check(exc_type))) {
-            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
-        } else {
-        }
-    }
-    return PyErr_GivenExceptionMatches(err, exc_type);
-}
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
-    assert(PyExceptionClass_Check(exc_type1));
-    assert(PyExceptionClass_Check(exc_type2));
-    if (likely(err == exc_type1 || err == exc_type2)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
-    }
-    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
-}
-#endif
-
-/* PyObject_GenericGetAttrNoDict */
-        #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
-    PyErr_Format(PyExc_AttributeError,
-#if PY_MAJOR_VERSION >= 3
-                 "'%.50s' object has no attribute '%U'",
-                 tp->tp_name, attr_name);
-#else
-                 "'%.50s' object has no attribute '%.400s'",
-                 tp->tp_name, PyString_AS_STRING(attr_name));
-#endif
-    return NULL;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
-    PyObject *descr;
-    PyTypeObject *tp = Py_TYPE(obj);
-    if (unlikely(!PyString_Check(attr_name))) {
-        return PyObject_GenericGetAttr(obj, attr_name);
-    }
-    assert(!tp->tp_dictoffset);
-    descr = _PyType_Lookup(tp, attr_name);
-    if (unlikely(!descr)) {
-        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
-    }
-    Py_INCREF(descr);
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
-    #endif
-    {
-        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
-        if (unlikely(f)) {
-            PyObject *res = f(descr, obj, (PyObject *)tp);
-            Py_DECREF(descr);
-            return res;
-        }
-    }
-    return descr;
-}
-#endif
-
-/* PyObject_GenericGetAttr */
-        #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
-    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
-        return PyObject_GenericGetAttr(obj, attr_name);
-    }
-    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
-}
-#endif
-
-/* SetVTable */
-        static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-/* ImportFrom */
-        static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
-    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
-    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError,
-        #if PY_MAJOR_VERSION < 3
-            "cannot import name %.230s", PyString_AS_STRING(name));
-        #else
-            "cannot import name %S", name);
-        #endif
-    }
-    return value;
-}
-
-/* CalculateMetaclass */
-        static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
-    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
-    for (i=0; i < nbases; i++) {
-        PyTypeObject *tmptype;
-        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
-        tmptype = Py_TYPE(tmp);
-#if PY_MAJOR_VERSION < 3
-        if (tmptype == &PyClass_Type)
-            continue;
-#endif
-        if (!metaclass) {
-            metaclass = tmptype;
-            continue;
-        }
-        if (PyType_IsSubtype(metaclass, tmptype))
-            continue;
-        if (PyType_IsSubtype(tmptype, metaclass)) {
-            metaclass = tmptype;
-            continue;
-        }
-        PyErr_SetString(PyExc_TypeError,
-                        "metaclass conflict: "
-                        "the metaclass of a derived class "
-                        "must be a (non-strict) subclass "
-                        "of the metaclasses of all its bases");
-        return NULL;
-    }
-    if (!metaclass) {
-#if PY_MAJOR_VERSION < 3
-        metaclass = &PyClass_Type;
-#else
-        metaclass = &PyType_Type;
-#endif
-    }
-    Py_INCREF((PyObject*) metaclass);
-    return (PyObject*) metaclass;
-}
-
-/* Py3ClassCreate */
-        static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
-                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
-    PyObject *ns;
-    if (metaclass) {
-        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
-        if (prep) {
-            PyObject *pargs = PyTuple_Pack(2, name, bases);
-            if (unlikely(!pargs)) {
-                Py_DECREF(prep);
-                return NULL;
-            }
-            ns = PyObject_Call(prep, pargs, mkw);
-            Py_DECREF(prep);
-            Py_DECREF(pargs);
-        } else {
-            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
-                return NULL;
-            PyErr_Clear();
-            ns = PyDict_New();
-        }
-    } else {
-        ns = PyDict_New();
-    }
-    if (unlikely(!ns))
-        return NULL;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
-    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
-    return ns;
-bad:
-    Py_DECREF(ns);
-    return NULL;
-}
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
-                                      PyObject *dict, PyObject *mkw,
-                                      int calculate_metaclass, int allow_py2_metaclass) {
-    PyObject *result, *margs;
-    PyObject *owned_metaclass = NULL;
-    if (allow_py2_metaclass) {
-        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
-        if (owned_metaclass) {
-            metaclass = owned_metaclass;
-        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
-            PyErr_Clear();
-        } else {
-            return NULL;
-        }
-    }
-    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
-        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
-        Py_XDECREF(owned_metaclass);
-        if (unlikely(!metaclass))
-            return NULL;
-        owned_metaclass = metaclass;
-    }
-    margs = PyTuple_Pack(3, name, bases, dict);
-    if (unlikely(!margs)) {
-        result = NULL;
-    } else {
-        result = PyObject_Call(metaclass, margs, mkw);
-        Py_DECREF(margs);
-    }
-    Py_XDECREF(owned_metaclass);
-    return result;
-}
-
-/* FetchCommonType */
-        static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-/* CythonFunction */
-        #include <structmember.h>
-static PyObject *
-__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
-{
-    if (unlikely(op->func_doc == NULL)) {
-        if (op->func.m_ml->ml_doc) {
-#if PY_MAJOR_VERSION >= 3
-            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
-#else
-            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
-#endif
-            if (unlikely(op->func_doc == NULL))
-                return NULL;
-        } else {
-            Py_INCREF(Py_None);
-            return Py_None;
-        }
-    }
-    Py_INCREF(op->func_doc);
-    return op->func_doc;
-}
-static int
-__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp = op->func_doc;
-    if (value == NULL) {
-        value = Py_None;
-    }
-    Py_INCREF(value);
-    op->func_doc = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_name == NULL)) {
-#if PY_MAJOR_VERSION >= 3
-        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
-#else
-        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
-#endif
-        if (unlikely(op->func_name == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_name);
-    return op->func_name;
-}
-static int
-__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_name;
-    Py_INCREF(value);
-    op->func_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_qualname);
-    return op->func_qualname;
-}
-static int
-__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_qualname;
-    Py_INCREF(value);
-    op->func_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
-{
-    PyObject *self;
-    self = m->func_closure;
-    if (self == NULL)
-        self = Py_None;
-    Py_INCREF(self);
-    return self;
-}
-static PyObject *
-__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_dict == NULL)) {
-        op->func_dict = PyDict_New();
-        if (unlikely(op->func_dict == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_dict);
-    return op->func_dict;
-}
-static int
-__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-    if (unlikely(value == NULL)) {
-        PyErr_SetString(PyExc_TypeError,
-               "function's dictionary may not be deleted");
-        return -1;
-    }
-    if (unlikely(!PyDict_Check(value))) {
-        PyErr_SetString(PyExc_TypeError,
-               "setting function's dictionary to a non-dict");
-        return -1;
-    }
-    tmp = op->func_dict;
-    Py_INCREF(value);
-    op->func_dict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_globals);
-    return op->func_globals;
-}
-static PyObject *
-__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
-{
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-static PyObject *
-__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
-{
-    PyObject* result = (op->func_code) ? op->func_code : Py_None;
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
-    int result = 0;
-    PyObject *res = op->defaults_getter((PyObject *) op);
-    if (unlikely(!res))
-        return -1;
-    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
-    Py_INCREF(op->defaults_tuple);
-    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
-    Py_INCREF(op->defaults_kwdict);
-    #else
-    op->defaults_tuple = PySequence_ITEM(res, 0);
-    if (unlikely(!op->defaults_tuple)) result = -1;
-    else {
-        op->defaults_kwdict = PySequence_ITEM(res, 1);
-        if (unlikely(!op->defaults_kwdict)) result = -1;
-    }
-    #endif
-    Py_DECREF(res);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyTuple_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__defaults__ must be set to a tuple object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_tuple;
-    op->defaults_tuple = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_tuple;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_tuple;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_kwdict;
-    op->defaults_kwdict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_kwdict;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_kwdict;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value || value == Py_None) {
-        value = NULL;
-    } else if (!PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__annotations__ must be set to a dict object");
-        return -1;
-    }
-    Py_XINCREF(value);
-    tmp = op->func_annotations;
-    op->func_annotations = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->func_annotations;
-    if (unlikely(!result)) {
-        result = PyDict_New();
-        if (unlikely(!result)) return NULL;
-        op->func_annotations = result;
-    }
-    Py_INCREF(result);
-    return result;
-}
-static PyGetSetDef __pyx_CyFunction_getsets[] = {
-    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
-    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
-    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
-    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
-    {0, 0, 0, 0, 0}
-};
-static PyMemberDef __pyx_CyFunction_members[] = {
-    {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), PY_WRITE_RESTRICTED, 0},
-    {0, 0, 0,  0, 0}
-};
-static PyObject *
-__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromString(m->func.m_ml->ml_name);
-#else
-    return PyString_FromString(m->func.m_ml->ml_name);
-#endif
-}
-static PyMethodDef __pyx_CyFunction_methods[] = {
-    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
-    {0, 0, 0, 0}
-};
-#if PY_VERSION_HEX < 0x030500A0
-#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
-#else
-#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist)
-#endif
-static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
-                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
-    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
-    if (op == NULL)
-        return NULL;
-    op->flags = flags;
-    __Pyx_CyFunction_weakreflist(op) = NULL;
-    op->func.m_ml = ml;
-    op->func.m_self = (PyObject *) op;
-    Py_XINCREF(closure);
-    op->func_closure = closure;
-    Py_XINCREF(module);
-    op->func.m_module = module;
-    op->func_dict = NULL;
-    op->func_name = NULL;
-    Py_INCREF(qualname);
-    op->func_qualname = qualname;
-    op->func_doc = NULL;
-    op->func_classobj = NULL;
-    op->func_globals = globals;
-    Py_INCREF(op->func_globals);
-    Py_XINCREF(code);
-    op->func_code = code;
-    op->defaults_pyobjects = 0;
-    op->defaults = NULL;
-    op->defaults_tuple = NULL;
-    op->defaults_kwdict = NULL;
-    op->defaults_getter = NULL;
-    op->func_annotations = NULL;
-    PyObject_GC_Track(op);
-    return (PyObject *) op;
-}
-static int
-__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
-{
-    Py_CLEAR(m->func_closure);
-    Py_CLEAR(m->func.m_module);
-    Py_CLEAR(m->func_dict);
-    Py_CLEAR(m->func_name);
-    Py_CLEAR(m->func_qualname);
-    Py_CLEAR(m->func_doc);
-    Py_CLEAR(m->func_globals);
-    Py_CLEAR(m->func_code);
-    Py_CLEAR(m->func_classobj);
-    Py_CLEAR(m->defaults_tuple);
-    Py_CLEAR(m->defaults_kwdict);
-    Py_CLEAR(m->func_annotations);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_XDECREF(pydefaults[i]);
-        PyObject_Free(m->defaults);
-        m->defaults = NULL;
-    }
-    return 0;
-}
-static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    if (__Pyx_CyFunction_weakreflist(m) != NULL)
-        PyObject_ClearWeakRefs((PyObject *) m);
-    __Pyx_CyFunction_clear(m);
-    PyObject_GC_Del(m);
-}
-static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    PyObject_GC_UnTrack(m);
-    __Pyx__CyFunction_dealloc(m);
-}
-static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
-{
-    Py_VISIT(m->func_closure);
-    Py_VISIT(m->func.m_module);
-    Py_VISIT(m->func_dict);
-    Py_VISIT(m->func_name);
-    Py_VISIT(m->func_qualname);
-    Py_VISIT(m->func_doc);
-    Py_VISIT(m->func_globals);
-    Py_VISIT(m->func_code);
-    Py_VISIT(m->func_classobj);
-    Py_VISIT(m->defaults_tuple);
-    Py_VISIT(m->defaults_kwdict);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_VISIT(pydefaults[i]);
-    }
-    return 0;
-}
-static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
-        Py_INCREF(func);
-        return func;
-    }
-    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
-        if (type == NULL)
-            type = (PyObject *)(Py_TYPE(obj));
-        return __Pyx_PyMethod_New(func, type, (PyObject *)(Py_TYPE(type)));
-    }
-    if (obj == Py_None)
-        obj = NULL;
-    return __Pyx_PyMethod_New(func, obj, type);
-}
-static PyObject*
-__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromFormat("<cyfunction %U at %p>",
-                                op->func_qualname, (void *)op);
-#else
-    return PyString_FromFormat("<cyfunction %s at %p>",
-                               PyString_AsString(op->func_qualname), (void *)op);
-#endif
-}
-static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
-    PyCFunctionObject* f = (PyCFunctionObject*)func;
-    PyCFunction meth = f->m_ml->ml_meth;
-    Py_ssize_t size;
-    switch (f->m_ml->ml_flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
-    case METH_VARARGS:
-        if (likely(kw == NULL || PyDict_Size(kw) == 0))
-            return (*meth)(self, arg);
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-    case METH_NOARGS:
-        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
-            size = PyTuple_GET_SIZE(arg);
-            if (likely(size == 0))
-                return (*meth)(self, NULL);
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    case METH_O:
-        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
-            size = PyTuple_GET_SIZE(arg);
-            if (likely(size == 1)) {
-                PyObject *result, *arg0;
-                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-                arg0 = PyTuple_GET_ITEM(arg, 0);
-                #else
-                arg0 = PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
-                #endif
-                result = (*meth)(self, arg0);
-                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
-                Py_DECREF(arg0);
-                #endif
-                return result;
-            }
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-        return NULL;
-    }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
-}
-static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    return __Pyx_CyFunction_CallMethod(func, ((PyCFunctionObject*)func)->m_self, arg, kw);
-}
-static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
-    PyObject *result;
-    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
-    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
-        Py_ssize_t argc;
-        PyObject *new_args;
-        PyObject *self;
-        argc = PyTuple_GET_SIZE(args);
-        new_args = PyTuple_GetSlice(args, 1, argc);
-        if (unlikely(!new_args))
-            return NULL;
-        self = PyTuple_GetItem(args, 0);
-        if (unlikely(!self)) {
-            Py_DECREF(new_args);
-            return NULL;
-        }
-        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
-        Py_DECREF(new_args);
-    } else {
-        result = __Pyx_CyFunction_Call(func, args, kw);
-    }
-    return result;
-}
-static PyTypeObject __pyx_CyFunctionType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    "cython_function_or_method",
-    sizeof(__pyx_CyFunctionObject),
-    0,
-    (destructor) __Pyx_CyFunction_dealloc,
-    0,
-    0,
-    0,
-#if PY_MAJOR_VERSION < 3
-    0,
-#else
-    0,
-#endif
-    (reprfunc) __Pyx_CyFunction_repr,
-    0,
-    0,
-    0,
-    0,
-    __Pyx_CyFunction_CallAsMethod,
-    0,
-    0,
-    0,
-    0,
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
-    0,
-    (traverseproc) __Pyx_CyFunction_traverse,
-    (inquiry) __Pyx_CyFunction_clear,
-    0,
-#if PY_VERSION_HEX < 0x030500A0
-    offsetof(__pyx_CyFunctionObject, func_weakreflist),
-#else
-    offsetof(PyCFunctionObject, m_weakreflist),
-#endif
-    0,
-    0,
-    __pyx_CyFunction_methods,
-    __pyx_CyFunction_members,
-    __pyx_CyFunction_getsets,
-    0,
-    0,
-    __Pyx_CyFunction_descr_get,
-    0,
-    offsetof(__pyx_CyFunctionObject, func_dict),
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-#if PY_VERSION_HEX >= 0x030400a1
-    0,
-#endif
-};
-static int __pyx_CyFunction_init(void) {
-    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
-    if (unlikely(__pyx_CyFunctionType == NULL)) {
-        return -1;
-    }
-    return 0;
-}
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults = PyObject_Malloc(size);
-    if (unlikely(!m->defaults))
-        return PyErr_NoMemory();
-    memset(m->defaults, 0, size);
-    m->defaults_pyobjects = pyobjects;
-    return m->defaults;
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_tuple = tuple;
-    Py_INCREF(tuple);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_kwdict = dict;
-    Py_INCREF(dict);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->func_annotations = dict;
-    Py_INCREF(dict);
-}
-
-/* CLineInTraceback */
-            #ifndef CYTHON_CLINE_IN_TRACEBACK
-static int __Pyx_CLineForTraceback(CYTHON_UNUSED PyThreadState *tstate, int c_line) {
-    PyObject *use_cline;
-    PyObject *ptype, *pvalue, *ptraceback;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject **cython_runtime_dict;
-#endif
-    if (unlikely(!__pyx_cython_runtime)) {
-        return c_line;
-    }
-    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
-#if CYTHON_COMPILING_IN_CPYTHON
-    cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
-    if (likely(cython_runtime_dict)) {
-      use_cline = __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback);
-    } else
-#endif
-    {
-      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
-      if (use_cline_obj) {
-        use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
-        Py_DECREF(use_cline_obj);
-      } else {
-        PyErr_Clear();
-        use_cline = NULL;
-      }
-    }
-    if (!use_cline) {
-        c_line = 0;
-        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
-    }
-    else if (PyObject_Not(use_cline) != 0) {
-        c_line = 0;
-    }
-    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
-    return c_line;
-}
-#endif
-
-/* CodeObjectCache */
-            static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = start + (end - start) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-/* AddTraceback */
-            #include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,
-        0,
-        0,
-        0,
-        0,
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyFrameObject *py_frame = 0;
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    if (c_line) {
-        c_line = __Pyx_CLineForTraceback(tstate, c_line);
-    }
-    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
-    }
-    py_frame = PyFrame_New(
-        tstate,            /*PyThreadState *tstate,*/
-        py_code,           /*PyCodeObject *code,*/
-        __pyx_d,    /*PyObject *globals,*/
-        0                  /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-/* CIntToPy */
-            static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = (long) 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
-#endif
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
-            return PyLong_FromLongLong((PY_LONG_LONG) value);
-#endif
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-/* CIntToPy */
-            static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = (int) 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
-#endif
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
-            return PyLong_FromLongLong((PY_LONG_LONG) value);
-#endif
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-/* CIntFromPyVerify */
-            #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
-    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
-#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
-    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
-#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
-    {\
-        func_type value = func_value;\
-        if (sizeof(target_type) < sizeof(func_type)) {\
-            if (unlikely(value != (func_type) (target_type) value)) {\
-                func_type zero = 0;\
-                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
-                    return (target_type) -1;\
-                if (is_unsigned && unlikely(value < zero))\
-                    goto raise_neg_overflow;\
-                else\
-                    goto raise_overflow;\
-            }\
-        }\
-        return (target_type) value;\
-    }
-
-/* CIntFromPy */
-            static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = (int) 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
-                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
-                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
-                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
-                        }
-                    }
-                    break;
-            }
-#endif
-#if CYTHON_COMPILING_IN_CPYTHON
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-#else
-            {
-                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
-                if (unlikely(result < 0))
-                    return (int) -1;
-                if (unlikely(result == 1))
-                    goto raise_neg_overflow;
-            }
-#endif
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
-#endif
-            }
-        } else {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-            }
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
-#endif
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to int");
-    return (int) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to int");
-    return (int) -1;
-}
-
-/* CIntFromPy */
-            static CYTHON_INLINE unsigned short __Pyx_PyInt_As_unsigned_short(PyObject *x) {
-    const unsigned short neg_one = (unsigned short) -1, const_zero = (unsigned short) 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(unsigned short) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(unsigned short, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (unsigned short) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (unsigned short) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(unsigned short, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(unsigned short) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) >= 2 * PyLong_SHIFT) {
-                            return (unsigned short) (((((unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0]));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(unsigned short) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) >= 3 * PyLong_SHIFT) {
-                            return (unsigned short) (((((((unsigned short)digits[2]) << PyLong_SHIFT) | (unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0]));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(unsigned short) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) >= 4 * PyLong_SHIFT) {
-                            return (unsigned short) (((((((((unsigned short)digits[3]) << PyLong_SHIFT) | (unsigned short)digits[2]) << PyLong_SHIFT) | (unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0]));
-                        }
-                    }
-                    break;
-            }
-#endif
-#if CYTHON_COMPILING_IN_CPYTHON
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-#else
-            {
-                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
-                if (unlikely(result < 0))
-                    return (unsigned short) -1;
-                if (unlikely(result == 1))
-                    goto raise_neg_overflow;
-            }
-#endif
-            if (sizeof(unsigned short) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(unsigned short, unsigned long, PyLong_AsUnsignedLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(unsigned short) <= sizeof(unsigned PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(unsigned short, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
-#endif
-            }
-        } else {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (unsigned short) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(unsigned short, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(unsigned short,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(unsigned short) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) - 1 > 2 * PyLong_SHIFT) {
-                            return (unsigned short) (((unsigned short)-1)*(((((unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0])));
-                        }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(unsigned short) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) - 1 > 2 * PyLong_SHIFT) {
-                            return (unsigned short) ((((((unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0])));
-                        }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(unsigned short) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) - 1 > 3 * PyLong_SHIFT) {
-                            return (unsigned short) (((unsigned short)-1)*(((((((unsigned short)digits[2]) << PyLong_SHIFT) | (unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0])));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(unsigned short) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) - 1 > 3 * PyLong_SHIFT) {
-                            return (unsigned short) ((((((((unsigned short)digits[2]) << PyLong_SHIFT) | (unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0])));
-                        }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(unsigned short) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) - 1 > 4 * PyLong_SHIFT) {
-                            return (unsigned short) (((unsigned short)-1)*(((((((((unsigned short)digits[3]) << PyLong_SHIFT) | (unsigned short)digits[2]) << PyLong_SHIFT) | (unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0])));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(unsigned short) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned short, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned short) - 1 > 4 * PyLong_SHIFT) {
-                            return (unsigned short) ((((((((((unsigned short)digits[3]) << PyLong_SHIFT) | (unsigned short)digits[2]) << PyLong_SHIFT) | (unsigned short)digits[1]) << PyLong_SHIFT) | (unsigned short)digits[0])));
-                        }
-                    }
-                    break;
-            }
-#endif
-            if (sizeof(unsigned short) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(unsigned short, long, PyLong_AsLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(unsigned short) <= sizeof(PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(unsigned short, PY_LONG_LONG, PyLong_AsLongLong(x))
-#endif
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            unsigned short val;
-            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (unsigned short) -1;
-        }
-    } else {
-        unsigned short val;
-        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
-        if (!tmp) return (unsigned short) -1;
-        val = __Pyx_PyInt_As_unsigned_short(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to unsigned short");
-    return (unsigned short) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to unsigned short");
-    return (unsigned short) -1;
-}
-
-/* CIntFromPy */
-            static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = (long) 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
-                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
-                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
-                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
-                        }
-                    }
-                    break;
-            }
-#endif
-#if CYTHON_COMPILING_IN_CPYTHON
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-#else
-            {
-                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
-                if (unlikely(result < 0))
-                    return (long) -1;
-                if (unlikely(result == 1))
-                    goto raise_neg_overflow;
-            }
-#endif
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
-#endif
-            }
-        } else {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-            }
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
-#endif
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to long");
-    return (long) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to long");
-    return (long) -1;
-}
-
-/* CheckBinaryVersion */
-            static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        return PyErr_WarnEx(NULL, message, 1);
-    }
-    return 0;
-}
-
-/* ModuleImport */
-            #ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-/* TypeImport */
-            #ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility. Expected %zd, got %zd",
-            module_name, class_name, basicsize, size);
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling. Expected %zd, got %zd",
-            module_name, class_name, basicsize, size);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-/* InitStrings */
-            static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        if (PyObject_Hash(*t->p) == -1)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
-}
-static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-#if !CYTHON_PEP393_ENABLED
-static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-    char* defenc_c;
-    PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-    if (!defenc) return NULL;
-    defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-    {
-        char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-        char* c;
-        for (c = defenc_c; c < end; c++) {
-            if ((unsigned char) (*c) >= 128) {
-                PyUnicode_AsASCIIString(o);
-                return NULL;
-            }
-        }
-    }
-#endif
-    *length = PyBytes_GET_SIZE(defenc);
-    return defenc_c;
-}
-#else
-static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-    if (likely(PyUnicode_IS_ASCII(o))) {
-        *length = PyUnicode_GET_LENGTH(o);
-        return PyUnicode_AsUTF8(o);
-    } else {
-        PyUnicode_AsASCIIString(o);
-        return NULL;
-    }
-#else
-    return PyUnicode_AsUTF8AndSize(o, length);
-#endif
-}
-#endif
-#endif
-static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-        return __Pyx_PyUnicode_AsStringAndSize(o, length);
-    } else
-#endif
-#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
-#if PY_MAJOR_VERSION >= 3
-    if (PyLong_Check(result)) {
-        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
-                "__int__ returned non-int (type %.200s).  "
-                "The ability to return an instance of a strict subclass of int "
-                "is deprecated, and may be removed in a future version of Python.",
-                Py_TYPE(result)->tp_name)) {
-            Py_DECREF(result);
-            return NULL;
-        }
-        return result;
-    }
-#endif
-    PyErr_Format(PyExc_TypeError,
-                 "__%.4s__ returned non-%.4s (type %.200s)",
-                 type_name, type_name, Py_TYPE(result)->tp_name);
-    Py_DECREF(result);
-    return NULL;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
-#if CYTHON_USE_TYPE_SLOTS
-  PyNumberMethods *m;
-#endif
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_Check(x) || PyLong_Check(x)))
-#else
-  if (likely(PyLong_Check(x)))
-#endif
-    return __Pyx_NewRef(x);
-#if CYTHON_USE_TYPE_SLOTS
-  m = Py_TYPE(x)->tp_as_number;
-  #if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = m->nb_int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = m->nb_long(x);
-  }
-  #else
-  if (likely(m && m->nb_int)) {
-    name = "int";
-    res = m->nb_int(x);
-  }
-  #endif
-#else
-  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
-    res = PyNumber_Int(x);
-  }
-#endif
-  if (likely(res)) {
-#if PY_MAJOR_VERSION < 3
-    if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
-#else
-    if (unlikely(!PyLong_CheckExact(res))) {
-#endif
-        return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b))) {
-    if (sizeof(Py_ssize_t) >= sizeof(long))
-        return PyInt_AS_LONG(b);
-    else
-        return PyInt_AsSsize_t(x);
-  }
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_USE_PYLONG_INTERNALS
-    const digit* digits = ((PyLongObject*)b)->ob_digit;
-    const Py_ssize_t size = Py_SIZE(b);
-    if (likely(__Pyx_sst_abs(size) <= 1)) {
-        ival = likely(size) ? digits[0] : 0;
-        if (size == -1) ival = -ival;
-        return ival;
-    } else {
-      switch (size) {
-         case 2:
-           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
-             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case -2:
-           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
-             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case 3:
-           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
-             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case -3:
-           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
-             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case 4:
-           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
-             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case -4:
-           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
-             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-      }
-    }
-    #endif
-    return PyLong_AsSsize_t(b);
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
-  return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-    return PyInt_FromSize_t(ival);
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/python/gevent/resolver/cares.cp36-win32.pyd b/python/gevent/resolver/cares.cp36-win32.pyd
deleted file mode 100644
index af58514..0000000
--- a/python/gevent/resolver/cares.cp36-win32.pyd
+++ /dev/null
diff --git a/python/gevent/resolver/cares.pyx b/python/gevent/resolver/cares.pyx
deleted file mode 100644
index cc43c13..0000000
--- a/python/gevent/resolver/cares.pyx
+++ /dev/null
@@ -1,464 +0,0 @@
-# Copyright (c) 2011-2012 Denis Bilenko. See LICENSE for details.
-# Automatic pickling of cdef classes was added in 0.26. Unfortunately it
-# seems to be buggy (at least for the `result` class) and produces code that
-# can't compile ("local variable 'result' referenced before assignment").
-# See https://github.com/cython/cython/issues/1786
-# cython: auto_pickle=False
-cimport libcares as cares
-import sys
-
-from cpython.ref cimport Py_INCREF
-from cpython.ref cimport Py_DECREF
-from cpython.mem cimport PyMem_Malloc
-from cpython.mem cimport PyMem_Free
-
-from _socket import gaierror
-
-
-__all__ = ['channel']
-
-cdef object string_types
-cdef object text_type
-
-if sys.version_info[0] >= 3:
-    string_types = str,
-    text_type = str
-else:
-    string_types = __builtins__.basestring,
-    text_type = __builtins__.unicode
-
-TIMEOUT = 1
-
-DEF EV_READ = 1
-DEF EV_WRITE = 2
-
-
-cdef extern from "dnshelper.c":
-    int AF_INET
-    int AF_INET6
-
-    struct hostent:
-        char* h_name
-        int h_addrtype
-
-    struct sockaddr_t "sockaddr":
-        pass
-
-    struct ares_channeldata:
-        pass
-
-    object parse_h_name(hostent*)
-    object parse_h_aliases(hostent*)
-    object parse_h_addr_list(hostent*)
-    void* create_object_from_hostent(void*)
-
-    # this imports _socket lazily
-    object PyUnicode_FromString(char*)
-    int PyTuple_Check(object)
-    int PyArg_ParseTuple(object, char*, ...) except 0
-    struct sockaddr_in6:
-        pass
-    int gevent_make_sockaddr(char* hostp, int port, int flowinfo, int scope_id, sockaddr_in6* sa6)
-
-
-    void memset(void*, int, int)
-
-
-ARES_SUCCESS = cares.ARES_SUCCESS
-ARES_ENODATA = cares.ARES_ENODATA
-ARES_EFORMERR = cares.ARES_EFORMERR
-ARES_ESERVFAIL = cares.ARES_ESERVFAIL
-ARES_ENOTFOUND = cares.ARES_ENOTFOUND
-ARES_ENOTIMP = cares.ARES_ENOTIMP
-ARES_EREFUSED = cares.ARES_EREFUSED
-ARES_EBADQUERY = cares.ARES_EBADQUERY
-ARES_EBADNAME = cares.ARES_EBADNAME
-ARES_EBADFAMILY = cares.ARES_EBADFAMILY
-ARES_EBADRESP = cares.ARES_EBADRESP
-ARES_ECONNREFUSED = cares.ARES_ECONNREFUSED
-ARES_ETIMEOUT = cares.ARES_ETIMEOUT
-ARES_EOF = cares.ARES_EOF
-ARES_EFILE = cares.ARES_EFILE
-ARES_ENOMEM = cares.ARES_ENOMEM
-ARES_EDESTRUCTION = cares.ARES_EDESTRUCTION
-ARES_EBADSTR = cares.ARES_EBADSTR
-ARES_EBADFLAGS = cares.ARES_EBADFLAGS
-ARES_ENONAME = cares.ARES_ENONAME
-ARES_EBADHINTS = cares.ARES_EBADHINTS
-ARES_ENOTINITIALIZED = cares.ARES_ENOTINITIALIZED
-ARES_ELOADIPHLPAPI = cares.ARES_ELOADIPHLPAPI
-ARES_EADDRGETNETWORKPARAMS = cares.ARES_EADDRGETNETWORKPARAMS
-ARES_ECANCELLED = cares.ARES_ECANCELLED
-
-ARES_FLAG_USEVC = cares.ARES_FLAG_USEVC
-ARES_FLAG_PRIMARY = cares.ARES_FLAG_PRIMARY
-ARES_FLAG_IGNTC = cares.ARES_FLAG_IGNTC
-ARES_FLAG_NORECURSE = cares.ARES_FLAG_NORECURSE
-ARES_FLAG_STAYOPEN = cares.ARES_FLAG_STAYOPEN
-ARES_FLAG_NOSEARCH = cares.ARES_FLAG_NOSEARCH
-ARES_FLAG_NOALIASES = cares.ARES_FLAG_NOALIASES
-ARES_FLAG_NOCHECKRESP = cares.ARES_FLAG_NOCHECKRESP
-
-
-_ares_errors = dict([
-                (cares.ARES_SUCCESS, 'ARES_SUCCESS'),
-                (cares.ARES_ENODATA, 'ARES_ENODATA'),
-                (cares.ARES_EFORMERR, 'ARES_EFORMERR'),
-                (cares.ARES_ESERVFAIL, 'ARES_ESERVFAIL'),
-                (cares.ARES_ENOTFOUND, 'ARES_ENOTFOUND'),
-                (cares.ARES_ENOTIMP, 'ARES_ENOTIMP'),
-                (cares.ARES_EREFUSED, 'ARES_EREFUSED'),
-                (cares.ARES_EBADQUERY, 'ARES_EBADQUERY'),
-                (cares.ARES_EBADNAME, 'ARES_EBADNAME'),
-                (cares.ARES_EBADFAMILY, 'ARES_EBADFAMILY'),
-                (cares.ARES_EBADRESP, 'ARES_EBADRESP'),
-                (cares.ARES_ECONNREFUSED, 'ARES_ECONNREFUSED'),
-                (cares.ARES_ETIMEOUT, 'ARES_ETIMEOUT'),
-                (cares.ARES_EOF, 'ARES_EOF'),
-                (cares.ARES_EFILE, 'ARES_EFILE'),
-                (cares.ARES_ENOMEM, 'ARES_ENOMEM'),
-                (cares.ARES_EDESTRUCTION, 'ARES_EDESTRUCTION'),
-                (cares.ARES_EBADSTR, 'ARES_EBADSTR'),
-                (cares.ARES_EBADFLAGS, 'ARES_EBADFLAGS'),
-                (cares.ARES_ENONAME, 'ARES_ENONAME'),
-                (cares.ARES_EBADHINTS, 'ARES_EBADHINTS'),
-                (cares.ARES_ENOTINITIALIZED, 'ARES_ENOTINITIALIZED'),
-                (cares.ARES_ELOADIPHLPAPI, 'ARES_ELOADIPHLPAPI'),
-                (cares.ARES_EADDRGETNETWORKPARAMS, 'ARES_EADDRGETNETWORKPARAMS'),
-                (cares.ARES_ECANCELLED, 'ARES_ECANCELLED')])
-
-
-# maps c-ares flag to _socket module flag
-_cares_flag_map = None
-
-
-cdef _prepare_cares_flag_map():
-    global _cares_flag_map
-    import _socket
-    _cares_flag_map = [
-        (getattr(_socket, 'NI_NUMERICHOST', 1), cares.ARES_NI_NUMERICHOST),
-        (getattr(_socket, 'NI_NUMERICSERV', 2), cares.ARES_NI_NUMERICSERV),
-        (getattr(_socket, 'NI_NOFQDN', 4), cares.ARES_NI_NOFQDN),
-        (getattr(_socket, 'NI_NAMEREQD', 8), cares.ARES_NI_NAMEREQD),
-        (getattr(_socket, 'NI_DGRAM', 16), cares.ARES_NI_DGRAM)]
-
-
-cpdef _convert_cares_flags(int flags, int default=cares.ARES_NI_LOOKUPHOST|cares.ARES_NI_LOOKUPSERVICE):
-    if _cares_flag_map is None:
-        _prepare_cares_flag_map()
-    for socket_flag, cares_flag in _cares_flag_map:
-        if socket_flag & flags:
-            default |= cares_flag
-            flags &= ~socket_flag
-        if not flags:
-            return default
-    raise gaierror(-1, "Bad value for ai_flags: 0x%x" % flags)
-
-
-cpdef strerror(code):
-    return '%s: %s' % (_ares_errors.get(code) or code, cares.ares_strerror(code))
-
-
-class InvalidIP(ValueError):
-    pass
-
-
-cdef void gevent_sock_state_callback(void *data, int s, int read, int write):
-    if not data:
-        return
-    cdef channel ch = <channel>data
-    ch._sock_state_callback(s, read, write)
-
-
-cdef class result:
-    cdef public object value
-    cdef public object exception
-
-    def __init__(self, object value=None, object exception=None):
-        self.value = value
-        self.exception = exception
-
-    def __repr__(self):
-        if self.exception is None:
-            return '%s(%r)' % (self.__class__.__name__, self.value)
-        elif self.value is None:
-            return '%s(exception=%r)' % (self.__class__.__name__, self.exception)
-        else:
-            return '%s(value=%r, exception=%r)' % (self.__class__.__name__, self.value, self.exception)
-        # add repr_recursive precaution
-
-    def successful(self):
-        return self.exception is None
-
-    def get(self):
-        if self.exception is not None:
-            raise self.exception
-        return self.value
-
-
-class ares_host_result(tuple):
-
-    def __new__(cls, family, iterable):
-        cdef object self = tuple.__new__(cls, iterable)
-        self.family = family
-        return self
-
-    def __getnewargs__(self):
-        return (self.family, tuple(self))
-
-
-cdef void gevent_ares_host_callback(void *arg, int status, int timeouts, hostent* host):
-    cdef channel channel
-    cdef object callback
-    channel, callback = <tuple>arg
-    Py_DECREF(<tuple>arg)
-    cdef object host_result
-    try:
-        if status or not host:
-            callback(result(None, gaierror(status, strerror(status))))
-        else:
-            try:
-                host_result = ares_host_result(host.h_addrtype, (parse_h_name(host), parse_h_aliases(host), parse_h_addr_list(host)))
-            except:
-                callback(result(None, sys.exc_info()[1]))
-            else:
-                callback(result(host_result))
-    except:
-        channel.loop.handle_error(callback, *sys.exc_info())
-
-
-cdef void gevent_ares_nameinfo_callback(void *arg, int status, int timeouts, char *c_node, char *c_service):
-    cdef channel channel
-    cdef object callback
-    channel, callback = <tuple>arg
-    Py_DECREF(<tuple>arg)
-    cdef object node
-    cdef object service
-    try:
-        if status:
-            callback(result(None, gaierror(status, strerror(status))))
-        else:
-            if c_node:
-                node = PyUnicode_FromString(c_node)
-            else:
-                node = None
-            if c_service:
-                service = PyUnicode_FromString(c_service)
-            else:
-                service = None
-            callback(result((node, service)))
-    except:
-        channel.loop.handle_error(callback, *sys.exc_info())
-
-
-cdef class channel:
-
-    cdef public object loop
-    cdef ares_channeldata* channel
-    cdef public dict _watchers
-    cdef public object _timer
-
-    def __init__(self, object loop, flags=None, timeout=None, tries=None, ndots=None,
-                 udp_port=None, tcp_port=None, servers=None):
-        cdef ares_channeldata* channel = NULL
-        cdef cares.ares_options options
-        memset(&options, 0, sizeof(cares.ares_options))
-        cdef int optmask = cares.ARES_OPT_SOCK_STATE_CB
-        options.sock_state_cb = <void*>gevent_sock_state_callback
-        options.sock_state_cb_data = <void*>self
-        if flags is not None:
-            options.flags = int(flags)
-            optmask |= cares.ARES_OPT_FLAGS
-        if timeout is not None:
-            options.timeout = int(float(timeout) * 1000)
-            optmask |= cares.ARES_OPT_TIMEOUTMS
-        if tries is not None:
-            options.tries = int(tries)
-            optmask |= cares.ARES_OPT_TRIES
-        if ndots is not None:
-            options.ndots = int(ndots)
-            optmask |= cares.ARES_OPT_NDOTS
-        if udp_port is not None:
-            options.udp_port = int(udp_port)
-            optmask |= cares.ARES_OPT_UDP_PORT
-        if tcp_port is not None:
-            options.tcp_port = int(tcp_port)
-            optmask |= cares.ARES_OPT_TCP_PORT
-        cdef int result = cares.ares_library_init(cares.ARES_LIB_INIT_ALL)  # ARES_LIB_INIT_WIN32 -DUSE_WINSOCK?
-        if result:
-            raise gaierror(result, strerror(result))
-        result = cares.ares_init_options(&channel, &options, optmask)
-        if result:
-            raise gaierror(result, strerror(result))
-        self._timer = loop.timer(TIMEOUT, TIMEOUT)
-        self._watchers = {}
-        self.channel = channel
-        try:
-            if servers is not None:
-                self.set_servers(servers)
-            self.loop = loop
-        except:
-            self.destroy()
-            raise
-
-    def __repr__(self):
-        args = (self.__class__.__name__, id(self), self._timer, len(self._watchers))
-        return '<%s at 0x%x _timer=%r _watchers[%s]>' % args
-
-    def destroy(self):
-        if self.channel:
-            # XXX ares_library_cleanup?
-            cares.ares_destroy(self.channel)
-            self.channel = NULL
-            self._watchers.clear()
-            self._timer.stop()
-            self.loop = None
-
-    def __dealloc__(self):
-        if self.channel:
-            # XXX ares_library_cleanup?
-            cares.ares_destroy(self.channel)
-            self.channel = NULL
-
-    cpdef set_servers(self, servers=None):
-        if not self.channel:
-            raise gaierror(cares.ARES_EDESTRUCTION, 'this ares channel has been destroyed')
-        if not servers:
-            servers = []
-        if isinstance(servers, string_types):
-            servers = servers.split(',')
-        cdef int length = len(servers)
-        cdef int result, index
-        cdef char* string
-        cdef cares.ares_addr_node* c_servers
-        if length <= 0:
-            result = cares.ares_set_servers(self.channel, NULL)
-        else:
-            c_servers = <cares.ares_addr_node*>PyMem_Malloc(sizeof(cares.ares_addr_node) * length)
-            if not c_servers:
-                raise MemoryError
-            try:
-                index = 0
-                for server in servers:
-                    if isinstance(server, unicode):
-                        server = server.encode('ascii')
-                    string = <char*?>server
-                    if cares.ares_inet_pton(AF_INET, string, &c_servers[index].addr) > 0:
-                        c_servers[index].family = AF_INET
-                    elif cares.ares_inet_pton(AF_INET6, string, &c_servers[index].addr) > 0:
-                        c_servers[index].family = AF_INET6
-                    else:
-                        raise InvalidIP(repr(string))
-                    c_servers[index].next = &c_servers[index] + 1
-                    index += 1
-                    if index >= length:
-                        break
-                c_servers[length - 1].next = NULL
-                index = cares.ares_set_servers(self.channel, c_servers)
-                if index:
-                    raise ValueError(strerror(index))
-            finally:
-                PyMem_Free(c_servers)
-
-    # this crashes c-ares
-    #def cancel(self):
-    #    cares.ares_cancel(self.channel)
-
-    cdef _sock_state_callback(self, int socket, int read, int write):
-        if not self.channel:
-            return
-        cdef object watcher = self._watchers.get(socket)
-        cdef int events = 0
-        if read:
-            events |= EV_READ
-        if write:
-            events |= EV_WRITE
-        if watcher is None:
-            if not events:
-                return
-            watcher = self.loop.io(socket, events)
-            self._watchers[socket] = watcher
-        elif events:
-            if watcher.events == events:
-                return
-            watcher.stop()
-            watcher.events = events
-        else:
-            watcher.stop()
-            watcher.close()
-            self._watchers.pop(socket, None)
-            if not self._watchers:
-                self._timer.stop()
-            return
-        watcher.start(self._process_fd, watcher, pass_events=True)
-        self._timer.again(self._on_timer)
-
-    def _on_timer(self):
-        cares.ares_process_fd(self.channel, cares.ARES_SOCKET_BAD, cares.ARES_SOCKET_BAD)
-
-    def _process_fd(self, int events, object watcher):
-        if not self.channel:
-            return
-        cdef int read_fd = watcher.fd
-        cdef int write_fd = read_fd
-        if not (events & EV_READ):
-            read_fd = cares.ARES_SOCKET_BAD
-        if not (events & EV_WRITE):
-            write_fd = cares.ARES_SOCKET_BAD
-        cares.ares_process_fd(self.channel, read_fd, write_fd)
-
-    def gethostbyname(self, object callback, char* name, int family=AF_INET):
-        if not self.channel:
-            raise gaierror(cares.ARES_EDESTRUCTION, 'this ares channel has been destroyed')
-        # note that for file lookups still AF_INET can be returned for AF_INET6 request
-        cdef object arg = (self, callback)
-        Py_INCREF(arg)
-        cares.ares_gethostbyname(self.channel, name, family, <void*>gevent_ares_host_callback, <void*>arg)
-
-    def gethostbyaddr(self, object callback, char* addr):
-        if not self.channel:
-            raise gaierror(cares.ARES_EDESTRUCTION, 'this ares channel has been destroyed')
-        # will guess the family
-        cdef char addr_packed[16]
-        cdef int family
-        cdef int length
-        if cares.ares_inet_pton(AF_INET, addr, addr_packed) > 0:
-            family = AF_INET
-            length = 4
-        elif cares.ares_inet_pton(AF_INET6, addr, addr_packed) > 0:
-            family = AF_INET6
-            length = 16
-        else:
-            raise InvalidIP(repr(addr))
-        cdef object arg = (self, callback)
-        Py_INCREF(arg)
-        cares.ares_gethostbyaddr(self.channel, addr_packed, length, family, <void*>gevent_ares_host_callback, <void*>arg)
-
-    cpdef _getnameinfo(self, object callback, tuple sockaddr, int flags):
-        if not self.channel:
-            raise gaierror(cares.ARES_EDESTRUCTION, 'this ares channel has been destroyed')
-        cdef char* hostp = NULL
-        cdef int port = 0
-        cdef int flowinfo = 0
-        cdef int scope_id = 0
-        cdef sockaddr_in6 sa6
-        if not PyTuple_Check(sockaddr):
-            raise TypeError('expected a tuple, got %r' % (sockaddr, ))
-        PyArg_ParseTuple(sockaddr, "si|ii", &hostp, &port, &flowinfo, &scope_id)
-        if port < 0 or port > 65535:
-            raise gaierror(-8, 'Invalid value for port: %r' % port)
-        cdef int length = gevent_make_sockaddr(hostp, port, flowinfo, scope_id, &sa6)
-        if length <= 0:
-            raise InvalidIP(repr(hostp))
-        cdef object arg = (self, callback)
-        Py_INCREF(arg)
-        cdef sockaddr_t* x = <sockaddr_t*>&sa6
-        cares.ares_getnameinfo(self.channel, x, length, flags, <void*>gevent_ares_nameinfo_callback, <void*>arg)
-
-    def getnameinfo(self, object callback, tuple sockaddr, int flags):
-        try:
-            flags = _convert_cares_flags(flags)
-        except gaierror:
-            # The stdlib just ignores bad flags
-            flags = 0
-        return self._getnameinfo(callback, sockaddr, flags)
diff --git a/python/gevent/resolver/cares_ntop.h b/python/gevent/resolver/cares_ntop.h
deleted file mode 100644
index 9ffc9dd..0000000
--- a/python/gevent/resolver/cares_ntop.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifdef CARES_EMBED
-#include "ares_setup.h"
-#include "ares.h"
-#else
-#include <arpa/inet.h>
-#define ares_inet_ntop(w,x,y,z) inet_ntop(w,x,y,z)
-#endif
diff --git a/python/gevent/resolver/cares_pton.h b/python/gevent/resolver/cares_pton.h
deleted file mode 100644
index 85af403..0000000
--- a/python/gevent/resolver/cares_pton.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef CARES_EMBED
-#include "ares_setup.h"
-#include "ares_inet_net_pton.h"
-#else
-#include <arpa/inet.h>
-#define ares_inet_pton(x,y,z) inet_pton(x,y,z)
-#define ares_inet_net_pton(w,x,y,z) inet_net_pton(w,x,y,z)
-#endif
diff --git a/python/gevent/resolver/dnshelper.c b/python/gevent/resolver/dnshelper.c
deleted file mode 100644
index 3befb69..0000000
--- a/python/gevent/resolver/dnshelper.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* Copyright (c) 2011 Denis Bilenko. See LICENSE for details. */
-#include "Python.h"
-#ifdef CARES_EMBED
-#include "ares_setup.h"
-#endif
-
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-
-#include "ares.h"
-
-#include "cares_ntop.h"
-#include "cares_pton.h"
-
-#if PY_VERSION_HEX < 0x02060000
-  #define PyUnicode_FromString         PyString_FromString
-#elif PY_MAJOR_VERSION < 3
-  #define PyUnicode_FromString         PyBytes_FromString
-#endif
-
-
-static PyObject* _socket_error = 0;
-
-static PyObject*
-get_socket_object(PyObject** pobject, const char* name)
-{
-    if (!*pobject) {
-        PyObject* _socket;
-        _socket = PyImport_ImportModule("_socket");
-        if (_socket) {
-            *pobject = PyObject_GetAttrString(_socket, name);
-            if (!*pobject) {
-                PyErr_WriteUnraisable(Py_None);
-            }
-            Py_DECREF(_socket);
-        }
-        else {
-            PyErr_WriteUnraisable(Py_None);
-        }
-        if (!*pobject) {
-            *pobject = PyExc_IOError;
-        }
-    }
-    return *pobject;
-}
-
-
-static int
-gevent_append_addr(PyObject* list, int family, void* src, char* tmpbuf, size_t tmpsize) {
-    int status = -1;
-    PyObject* tmp;
-    if (ares_inet_ntop(family, src, tmpbuf, tmpsize)) {
-        tmp = PyUnicode_FromString(tmpbuf);
-        if (tmp) {
-            status = PyList_Append(list, tmp);
-            Py_DECREF(tmp);
-        }
-    }
-    return status;
-}
-
-
-static PyObject*
-parse_h_name(struct hostent *h)
-{
-    return PyUnicode_FromString(h->h_name);
-}
-
-
-static PyObject*
-parse_h_aliases(struct hostent *h)
-{
-    char **pch;
-    PyObject *result = NULL;
-    PyObject *tmp;
-
-    result = PyList_New(0);
-
-    if (result && h->h_aliases) {
-        for (pch = h->h_aliases; *pch != NULL; pch++) {
-            if (*pch != h->h_name && strcmp(*pch, h->h_name)) {
-                int status;
-                tmp = PyUnicode_FromString(*pch);
-                if (tmp == NULL) {
-                    break;
-                }
-
-                status = PyList_Append(result, tmp);
-                Py_DECREF(tmp);
-
-                if (status) {
-                    break;
-                }
-            }
-        }
-    }
-
-    return result;
-}
-
-
-static PyObject *
-parse_h_addr_list(struct hostent *h)
-{
-    char **pch;
-    PyObject *result = NULL;
-
-    result = PyList_New(0);
-
-    if (result) {
-        switch (h->h_addrtype) {
-            case AF_INET:
-            {
-                char tmpbuf[sizeof "255.255.255.255"];
-                for (pch = h->h_addr_list; *pch != NULL; pch++) {
-                    if (gevent_append_addr(result, AF_INET, *pch, tmpbuf, sizeof(tmpbuf))) {
-                        break;
-                    }
-                }
-                break;
-            }
-            case AF_INET6:
-            {
-                char tmpbuf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
-                for (pch = h->h_addr_list; *pch != NULL; pch++) {
-                    if (gevent_append_addr(result, AF_INET6, *pch, tmpbuf, sizeof(tmpbuf))) {
-                        break;
-                    }
-                }
-                break;
-            }
-            default:
-                PyErr_SetString(get_socket_object(&_socket_error, "error"), "unsupported address family");
-                Py_DECREF(result);
-                result = NULL;
-        }
-    }
-
-    return result;
-}
-
-
-static int
-gevent_make_sockaddr(char* hostp, int port, int flowinfo, int scope_id, struct sockaddr_in6* sa6) {
-    if ( ares_inet_pton(AF_INET, hostp, &((struct sockaddr_in*)sa6)->sin_addr.s_addr) > 0 ) {
-        ((struct sockaddr_in*)sa6)->sin_family = AF_INET;
-        ((struct sockaddr_in*)sa6)->sin_port = htons(port);
-        return sizeof(struct sockaddr_in);
-    }
-    else if ( ares_inet_pton(AF_INET6, hostp, &sa6->sin6_addr.s6_addr) > 0 ) {
-        sa6->sin6_family = AF_INET6;
-        sa6->sin6_port = htons(port);
-        sa6->sin6_flowinfo = flowinfo;
-        sa6->sin6_scope_id = scope_id;
-        return sizeof(struct sockaddr_in6);
-    }
-    return -1;
-}
diff --git a/python/gevent/resolver/dnspython.py b/python/gevent/resolver/dnspython.py
deleted file mode 100644
index c2ae73b..0000000
--- a/python/gevent/resolver/dnspython.py
+++ /dev/null
@@ -1,662 +0,0 @@
-# Copyright (c) 2018  gevent contributors. See LICENSE for details.
-
-# Portions of this code taken from the gogreen project:
-#   http://github.com/slideinc/gogreen
-#
-# Copyright (c) 2005-2010 Slide, Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of the author nor the names of other
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# Portions of this code taken from the eventlet project:
-# https://github.com/eventlet/eventlet/blob/master/eventlet/support/greendns.py
-
-# Unless otherwise noted, the files in Eventlet are under the following MIT license:
-
-# Copyright (c) 2005-2006, Bob Ippolito
-# Copyright (c) 2007-2010, Linden Research, Inc.
-# Copyright (c) 2008-2010, Eventlet Contributors (see AUTHORS)
-
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-from __future__ import absolute_import, print_function, division
-
-import time
-import re
-import os
-import sys
-
-import _socket
-from _socket import AI_NUMERICHOST
-from _socket import error
-from _socket import NI_NUMERICSERV
-from _socket import AF_INET
-from _socket import AF_INET6
-from _socket import AF_UNSPEC
-
-import socket
-
-from . import AbstractResolver
-from . import hostname_types
-
-from gevent._compat import string_types
-from gevent._compat import iteritems
-from gevent._patcher import import_patched
-from gevent._config import config
-
-__all__ = [
-    'Resolver',
-]
-
-# Import the DNS packages to use the gevent modules,
-# even if the system is not monkey-patched.
-def _patch_dns():
-    top = import_patched('dns')
-    for pkg in ('dns',
-                'dns.rdtypes',
-                'dns.rdtypes.IN',
-                'dns.rdtypes.ANY'):
-        mod = import_patched(pkg)
-        for name in mod.__all__:
-            setattr(mod, name, import_patched(pkg + '.' + name))
-    return top
-
-dns = _patch_dns()
-
-def _dns_import_patched(name):
-    assert name.startswith('dns')
-    import_patched(name)
-    return dns
-
-# This module tries to dynamically import classes
-# using __import__, and it's important that they match
-# the ones we just created, otherwise exceptions won't be caught
-# as expected. It uses a one-arg __import__ statement and then
-# tries to walk down the sub-modules using getattr, so we can't
-# directly use import_patched as-is.
-dns.rdata.__import__ = _dns_import_patched
-
-resolver = dns.resolver
-dTimeout = dns.resolver.Timeout
-
-_exc_clear = getattr(sys, 'exc_clear', lambda: None)
-
-# This is a copy of resolver._getaddrinfo with the crucial change that it
-# doesn't have a bare except:, because that breaks Timeout and KeyboardInterrupt
-# A secondary change is that calls to sys.exc_clear() have been inserted to avoid
-# failing tests in test__refcount.py (timeouts).
-# See https://github.com/rthalley/dnspython/pull/300
-def _getaddrinfo(host=None, service=None, family=AF_UNSPEC, socktype=0,
-                 proto=0, flags=0):
-    # pylint:disable=too-many-locals,broad-except,too-many-statements
-    # pylint:disable=too-many-branches
-    # pylint:disable=redefined-argument-from-local
-    # pylint:disable=consider-using-in
-    if flags & (socket.AI_ADDRCONFIG | socket.AI_V4MAPPED) != 0:
-        raise NotImplementedError
-    if host is None and service is None:
-        raise socket.gaierror(socket.EAI_NONAME)
-    v6addrs = []
-    v4addrs = []
-    canonical_name = None
-    try:
-        # Is host None or a V6 address literal?
-        if host is None:
-            canonical_name = 'localhost'
-            if flags & socket.AI_PASSIVE != 0:
-                v6addrs.append('::')
-                v4addrs.append('0.0.0.0')
-            else:
-                v6addrs.append('::1')
-                v4addrs.append('127.0.0.1')
-        else:
-            parts = host.split('%')
-            if len(parts) == 2:
-                ahost = parts[0]
-            else:
-                ahost = host
-            addr = dns.ipv6.inet_aton(ahost)
-            v6addrs.append(host)
-            canonical_name = host
-    except Exception:
-        _exc_clear()
-        try:
-            # Is it a V4 address literal?
-            addr = dns.ipv4.inet_aton(host)
-            v4addrs.append(host)
-            canonical_name = host
-        except Exception:
-            _exc_clear()
-            if flags & socket.AI_NUMERICHOST == 0:
-                try:
-                    if family == socket.AF_INET6 or family == socket.AF_UNSPEC:
-                        v6 = resolver._resolver.query(host, dns.rdatatype.AAAA,
-                                                      raise_on_no_answer=False)
-                        # Note that setting host ensures we query the same name
-                        # for A as we did for AAAA.
-                        host = v6.qname
-                        canonical_name = v6.canonical_name.to_text(True)
-                        if v6.rrset is not None:
-                            for rdata in v6.rrset:
-                                v6addrs.append(rdata.address)
-                    if family == socket.AF_INET or family == socket.AF_UNSPEC:
-                        v4 = resolver._resolver.query(host, dns.rdatatype.A,
-                                                      raise_on_no_answer=False)
-                        host = v4.qname
-                        canonical_name = v4.canonical_name.to_text(True)
-                        if v4.rrset is not None:
-                            for rdata in v4.rrset:
-                                v4addrs.append(rdata.address)
-                except dns.resolver.NXDOMAIN:
-                    _exc_clear()
-                    raise socket.gaierror(socket.EAI_NONAME)
-                except Exception:
-                    _exc_clear()
-                    raise socket.gaierror(socket.EAI_SYSTEM)
-    port = None
-    try:
-        # Is it a port literal?
-        if service is None:
-            port = 0
-        else:
-            port = int(service)
-    except Exception:
-        _exc_clear()
-        if flags & socket.AI_NUMERICSERV == 0:
-            try:
-                port = socket.getservbyname(service)
-            except Exception:
-                _exc_clear()
-
-    if port is None:
-        raise socket.gaierror(socket.EAI_NONAME)
-    tuples = []
-    if socktype == 0:
-        socktypes = [socket.SOCK_DGRAM, socket.SOCK_STREAM]
-    else:
-        socktypes = [socktype]
-    if flags & socket.AI_CANONNAME != 0:
-        cname = canonical_name
-    else:
-        cname = ''
-    if family == socket.AF_INET6 or family == socket.AF_UNSPEC:
-        for addr in v6addrs:
-            for socktype in socktypes:
-                for proto in resolver._protocols_for_socktype[socktype]:
-                    tuples.append((socket.AF_INET6, socktype, proto,
-                                   cname, (addr, port, 0, 0))) # XXX: gevent: this can get the scopeid wrong
-    if family == socket.AF_INET or family == socket.AF_UNSPEC:
-        for addr in v4addrs:
-            for socktype in socktypes:
-                for proto in resolver._protocols_for_socktype[socktype]:
-                    tuples.append((socket.AF_INET, socktype, proto,
-                                   cname, (addr, port)))
-    if len(tuples) == 0: # pylint:disable=len-as-condition
-        raise socket.gaierror(socket.EAI_NONAME)
-    return tuples
-
-
-resolver._getaddrinfo = _getaddrinfo
-
-HOSTS_TTL = 300.0
-
-def _is_addr(host, parse=dns.ipv4.inet_aton):
-    if not host:
-        return False
-    assert isinstance(host, hostname_types), repr(host)
-    try:
-        parse(host)
-    except dns.exception.SyntaxError:
-        return False
-    else:
-        return True
-
-# Return True if host is a valid IPv4 address
-_is_ipv4_addr = _is_addr
-
-
-def _is_ipv6_addr(host):
-    # Return True if host is a valid IPv6 address
-    if host:
-        s = '%' if isinstance(host, str) else b'%'
-        host = host.split(s, 1)[0]
-    return _is_addr(host, dns.ipv6.inet_aton)
-
-class HostsFile(object):
-    """
-    A class to read the contents of a hosts file (/etc/hosts).
-    """
-
-    LINES_RE = re.compile(r"""
-        \s*  # Leading space
-        ([^\r\n#]+?)  # The actual match, non-greedy so as not to include trailing space
-        \s*  # Trailing space
-        (?:[#][^\r\n]+)?  # Comments
-        (?:$|[\r\n]+)  # EOF or newline
-    """, re.VERBOSE)
-
-    def __init__(self, fname=None):
-        self.v4 = {} # name -> ipv4
-        self.v6 = {} # name -> ipv6
-        self.aliases = {} # name -> canonical_name
-        self.reverse = {} # ip addr -> some name
-        if fname is None:
-            if os.name == 'posix':
-                fname = '/etc/hosts'
-            elif os.name == 'nt': # pragma: no cover
-                fname = os.path.expandvars(
-                    r'%SystemRoot%\system32\drivers\etc\hosts')
-        self.fname = fname
-        assert self.fname
-        self._last_load = 0
-
-
-    def _readlines(self):
-        # Read the contents of the hosts file.
-        #
-        # Return list of lines, comment lines and empty lines are
-        # excluded. Note that this performs disk I/O so can be
-        # blocking.
-        with open(self.fname, 'rb') as fp:
-            fdata = fp.read()
-
-
-        # XXX: Using default decoding. Is that correct?
-        udata = fdata.decode(errors='ignore') if not isinstance(fdata, str) else fdata
-
-        return self.LINES_RE.findall(udata)
-
-    def load(self): # pylint:disable=too-many-locals
-        # Load hosts file
-
-        # This will (re)load the data from the hosts
-        # file if it has changed.
-
-        try:
-            load_time = os.stat(self.fname).st_mtime
-            needs_load = load_time > self._last_load
-        except (IOError, OSError):
-            from gevent import get_hub
-            get_hub().handle_error(self, *sys.exc_info())
-            needs_load = False
-
-        if not needs_load:
-            return
-
-        v4 = {}
-        v6 = {}
-        aliases = {}
-        reverse = {}
-
-        for line in self._readlines():
-            parts = line.split()
-            if len(parts) < 2:
-                continue
-            ip = parts.pop(0)
-            if _is_ipv4_addr(ip):
-                ipmap = v4
-            elif _is_ipv6_addr(ip):
-                if ip.startswith('fe80'):
-                    # Do not use link-local addresses, OSX stores these here
-                    continue
-                ipmap = v6
-            else:
-                continue
-            cname = parts.pop(0).lower()
-            ipmap[cname] = ip
-            for alias in parts:
-                alias = alias.lower()
-                ipmap[alias] = ip
-                aliases[alias] = cname
-
-            # XXX: This is wrong for ipv6
-            if ipmap is v4:
-                ptr = '.'.join(reversed(ip.split('.'))) + '.in-addr.arpa'
-            else:
-                ptr = ip + '.ip6.arpa.'
-            if ptr not in reverse:
-                reverse[ptr] = cname
-
-        self._last_load = load_time
-        self.v4 = v4
-        self.v6 = v6
-        self.aliases = aliases
-        self.reverse = reverse
-
-    def iter_all_host_addr_pairs(self):
-        self.load()
-        for name, addr in iteritems(self.v4):
-            yield name, addr
-        for name, addr in iteritems(self.v6):
-            yield name, addr
-
-class _HostsAnswer(dns.resolver.Answer):
-    # Answer class for HostsResolver object
-
-    def __init__(self, qname, rdtype, rdclass, rrset, raise_on_no_answer=True):
-        self.response = None
-        self.qname = qname
-        self.rdtype = rdtype
-        self.rdclass = rdclass
-        self.canonical_name = qname
-        if not rrset and raise_on_no_answer:
-            raise dns.resolver.NoAnswer()
-        self.rrset = rrset
-        self.expiration = (time.time() +
-                           rrset.ttl if hasattr(rrset, 'ttl') else 0)
-
-
-class _HostsResolver(object):
-    """
-    Class to parse the hosts file
-    """
-
-    def __init__(self, fname=None, interval=HOSTS_TTL):
-        self.hosts_file = HostsFile(fname)
-        self.interval = interval
-        self._last_load = 0
-
-    def query(self, qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN,
-              tcp=False, source=None, raise_on_no_answer=True): # pylint:disable=unused-argument
-        # Query the hosts file
-        #
-        # The known rdtypes are dns.rdatatype.A, dns.rdatatype.AAAA and
-        # dns.rdatatype.CNAME.
-        # The ``rdclass`` parameter must be dns.rdataclass.IN while the
-        # ``tcp`` and ``source`` parameters are ignored.
-        # Return a HostAnswer instance or raise a dns.resolver.NoAnswer
-        # exception.
-
-        now = time.time()
-        hosts_file = self.hosts_file
-        if self._last_load + self.interval < now:
-            self._last_load = now
-            hosts_file.load()
-
-        rdclass = dns.rdataclass.IN # Always
-        if isinstance(qname, string_types):
-            name = qname
-            qname = dns.name.from_text(qname)
-        else:
-            name = str(qname)
-
-        name = name.lower()
-        rrset = dns.rrset.RRset(qname, rdclass, rdtype)
-        rrset.ttl = self._last_load + self.interval - now
-
-        if rdtype == dns.rdatatype.A:
-            mapping = hosts_file.v4
-            kind = dns.rdtypes.IN.A.A
-        elif rdtype == dns.rdatatype.AAAA:
-            mapping = hosts_file.v6
-            kind = dns.rdtypes.IN.AAAA.AAAA
-        elif rdtype == dns.rdatatype.CNAME:
-            mapping = hosts_file.aliases
-            kind = lambda c, t, addr: dns.rdtypes.ANY.CNAME.CNAME(c, t, dns.name.from_text(addr))
-        elif rdtype == dns.rdatatype.PTR:
-            mapping = hosts_file.reverse
-            kind = lambda c, t, addr: dns.rdtypes.ANY.PTR.PTR(c, t, dns.name.from_text(addr))
-
-
-        addr = mapping.get(name)
-        if not addr and qname.is_absolute():
-            addr = mapping.get(name[:-1])
-        if addr:
-            rrset.add(kind(rdclass, rdtype, addr))
-        return _HostsAnswer(qname, rdtype, rdclass, rrset, raise_on_no_answer)
-
-    def getaliases(self, hostname):
-        # Return a list of all the aliases of a given cname
-
-        # Due to the way store aliases this is a bit inefficient, this
-        # clearly was an afterthought.  But this is only used by
-        # gethostbyname_ex so it's probably fine.
-        aliases = self.hosts_file.aliases
-        result = []
-        if hostname in aliases:
-            cannon = aliases[hostname]
-        else:
-            cannon = hostname
-        result.append(cannon)
-        for alias, cname in iteritems(aliases):
-            if cannon == cname:
-                result.append(alias)
-        result.remove(hostname)
-        return result
-
-class _DualResolver(object):
-
-    def __init__(self):
-        self.hosts_resolver = _HostsResolver()
-        self.network_resolver = resolver.get_default_resolver()
-        self.network_resolver.cache = resolver.LRUCache()
-
-    def query(self, qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN,
-              tcp=False, source=None, raise_on_no_answer=True,
-              _hosts_rdtypes=(dns.rdatatype.A, dns.rdatatype.AAAA, dns.rdatatype.PTR)):
-        # Query the resolver, using /etc/hosts
-
-        # Behavior:
-        # 1. if hosts is enabled and contains answer, return it now
-        # 2. query nameservers for qname
-        if qname is None:
-            qname = '0.0.0.0'
-
-        if not isinstance(qname, string_types):
-            if isinstance(qname, bytes):
-                qname = qname.decode("idna")
-
-        if isinstance(qname, string_types):
-            qname = dns.name.from_text(qname, None)
-
-        if isinstance(rdtype, string_types):
-            rdtype = dns.rdatatype.from_text(rdtype)
-
-        if rdclass == dns.rdataclass.IN and rdtype in _hosts_rdtypes:
-            try:
-                answer = self.hosts_resolver.query(qname, rdtype, raise_on_no_answer=False)
-            except Exception: # pylint: disable=broad-except
-                from gevent import get_hub
-                get_hub().handle_error(self, *sys.exc_info())
-            else:
-                if answer.rrset:
-                    return answer
-
-        return self.network_resolver.query(qname, rdtype, rdclass,
-                                           tcp, source, raise_on_no_answer=raise_on_no_answer)
-
-def _family_to_rdtype(family):
-    if family == socket.AF_INET:
-        rdtype = dns.rdatatype.A
-    elif family == socket.AF_INET6:
-        rdtype = dns.rdatatype.AAAA
-    else:
-        raise socket.gaierror(socket.EAI_FAMILY,
-                              'Address family not supported')
-    return rdtype
-
-class Resolver(AbstractResolver):
-    """
-    An *experimental* resolver that uses `dnspython`_.
-
-    This is typically slower than the default threaded resolver
-    (unless there's a cache hit, in which case it can be much faster).
-    It is usually much faster than the c-ares resolver. It tends to
-    scale well as more concurrent resolutions are attempted.
-
-    Under Python 2, if the ``idna`` package is installed, this
-    resolver can resolve Unicode host names that the system resolver
-    cannot.
-
-    .. note::
-
-        This **does not** use dnspython's default resolver object, or share any
-        classes with ``import dns``. A separate copy of the objects is imported to
-        be able to function in a non monkey-patched process. The documentation for the resolver
-        object still applies.
-
-        The resolver that we use is available as the :attr:`resolver` attribute
-        of this object (typically ``gevent.get_hub().resolver.resolver``).
-
-    .. caution::
-
-        Many of the same caveats about DNS results apply here as are documented
-        for :class:`gevent.resolver.ares.Resolver`.
-
-    .. caution::
-
-        This resolver is experimental. It may be removed or modified in
-        the future. As always, feedback is welcome.
-
-    .. versionadded:: 1.3a2
-
-    .. _dnspython: http://www.dnspython.org
-    """
-
-    def __init__(self, hub=None): # pylint: disable=unused-argument
-        if resolver._resolver is None:
-            _resolver = resolver._resolver = _DualResolver()
-            if config.resolver_nameservers:
-                _resolver.network_resolver.nameservers[:] = config.resolver_nameservers
-            if config.resolver_timeout:
-                _resolver.network_resolver.lifetime = config.resolver_timeout
-        # Different hubs in different threads could be sharing the same
-        # resolver.
-        assert isinstance(resolver._resolver, _DualResolver)
-        self._resolver = resolver._resolver
-
-    @property
-    def resolver(self):
-        """
-        The dnspython resolver object we use.
-
-        This object has several useful attributes that can be used to
-        adjust the behaviour of the DNS system:
-
-        * ``cache`` is a :class:`dns.resolver.LRUCache`. Its maximum size
-          can be configured by calling :meth:`resolver.cache.set_max_size`
-        * ``nameservers`` controls which nameservers to talk to
-        * ``lifetime`` configures a timeout for each individual query.
-        """
-        return self._resolver.network_resolver
-
-    def close(self):
-        pass
-
-    def _getaliases(self, hostname, family):
-        if not isinstance(hostname, str):
-            if isinstance(hostname, bytes):
-                hostname = hostname.decode("idna")
-        aliases = self._resolver.hosts_resolver.getaliases(hostname)
-        net_resolver = self._resolver.network_resolver
-        rdtype = _family_to_rdtype(family)
-        while True:
-            try:
-                ans = net_resolver.query(hostname, dns.rdatatype.CNAME, rdtype)
-            except (dns.resolver.NoAnswer, dns.resolver.NXDOMAIN, dns.resolver.NoNameservers):
-                break
-            except dTimeout:
-                break
-            else:
-                aliases.extend(str(rr.target) for rr in ans.rrset)
-                hostname = ans[0].target
-        return aliases
-
-    def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
-        if ((host in (u'localhost', b'localhost')
-             or (_is_ipv6_addr(host) and host.startswith('fe80')))
-                or not isinstance(host, str) or (flags & AI_NUMERICHOST)):
-            # this handles cases which do not require network access
-            # 1) host is None
-            # 2) host is of an invalid type
-            # 3) host is localhost or a link-local ipv6; dnspython returns the wrong
-            #    scope-id for those.
-            # 3) AI_NUMERICHOST flag is set
-
-            return _socket.getaddrinfo(host, port, family, socktype, proto, flags)
-
-        if family == AF_UNSPEC:
-            # This tends to raise in the case that a v6 address did not exist
-            # but a v4 does. So we break it into two parts.
-
-            # Note that if there is no ipv6 in the hosts file, but there *is*
-            # an ipv4, and there *is* an ipv6 in the nameservers, we will return
-            # both (from the first call). The system resolver on OS X only returns
-            # the results from the hosts file. doubleclick.com is one example.
-
-            # See also https://github.com/gevent/gevent/issues/1012
-            try:
-                return _getaddrinfo(host, port, family, socktype, proto, flags)
-            except socket.gaierror:
-                try:
-                    return _getaddrinfo(host, port, AF_INET6, socktype, proto, flags)
-                except socket.gaierror:
-                    return _getaddrinfo(host, port, AF_INET, socktype, proto, flags)
-        else:
-            return _getaddrinfo(host, port, family, socktype, proto, flags)
-
-    def getnameinfo(self, sockaddr, flags):
-        if (sockaddr
-                and isinstance(sockaddr, (list, tuple))
-                and sockaddr[0] in ('::1', '127.0.0.1', 'localhost')):
-            return _socket.getnameinfo(sockaddr, flags)
-        if isinstance(sockaddr, (list, tuple)) and not isinstance(sockaddr[0], hostname_types):
-            raise TypeError("getnameinfo(): illegal sockaddr argument")
-        try:
-            return resolver._getnameinfo(sockaddr, flags)
-        except error:
-            if not flags:
-                # dnspython doesn't like getting ports it can't resolve.
-                # We have one test, test__socket_dns.py:Test_getnameinfo_geventorg.test_port_zero
-                # that does this. We conservatively fix it here; this could be expanded later.
-                return resolver._getnameinfo(sockaddr, NI_NUMERICSERV)
-
-    def gethostbyaddr(self, ip_address):
-        if ip_address in (u'127.0.0.1', u'::1',
-                          b'127.0.0.1', b'::1',
-                          'localhost'):
-            return _socket.gethostbyaddr(ip_address)
-
-        if not isinstance(ip_address, hostname_types):
-            raise TypeError("argument 1 must be str, bytes or bytearray, not %s" % (type(ip_address),))
-
-        return resolver._gethostbyaddr(ip_address)
diff --git a/python/gevent/resolver/libcares.pxd b/python/gevent/resolver/libcares.pxd
deleted file mode 100644
index 7b551a7..0000000
--- a/python/gevent/resolver/libcares.pxd
+++ /dev/null
@@ -1,109 +0,0 @@
-cdef extern from "ares.h":
-    struct ares_options:
-        int flags
-        void* sock_state_cb
-        void* sock_state_cb_data
-        int timeout
-        int tries
-        int ndots
-        unsigned short udp_port
-        unsigned short tcp_port
-        char **domains
-        int ndomains
-        char* lookups
-
-    int ARES_OPT_FLAGS
-    int ARES_OPT_SOCK_STATE_CB
-    int ARES_OPT_TIMEOUTMS
-    int ARES_OPT_TRIES
-    int ARES_OPT_NDOTS
-    int ARES_OPT_TCP_PORT
-    int ARES_OPT_UDP_PORT
-    int ARES_OPT_SERVERS
-    int ARES_OPT_DOMAINS
-    int ARES_OPT_LOOKUPS
-
-    int ARES_FLAG_USEVC
-    int ARES_FLAG_PRIMARY
-    int ARES_FLAG_IGNTC
-    int ARES_FLAG_NORECURSE
-    int ARES_FLAG_STAYOPEN
-    int ARES_FLAG_NOSEARCH
-    int ARES_FLAG_NOALIASES
-    int ARES_FLAG_NOCHECKRESP
-
-    int ARES_LIB_INIT_ALL
-    int ARES_SOCKET_BAD
-
-    int ARES_SUCCESS
-    int ARES_ENODATA
-    int ARES_EFORMERR
-    int ARES_ESERVFAIL
-    int ARES_ENOTFOUND
-    int ARES_ENOTIMP
-    int ARES_EREFUSED
-    int ARES_EBADQUERY
-    int ARES_EBADNAME
-    int ARES_EBADFAMILY
-    int ARES_EBADRESP
-    int ARES_ECONNREFUSED
-    int ARES_ETIMEOUT
-    int ARES_EOF
-    int ARES_EFILE
-    int ARES_ENOMEM
-    int ARES_EDESTRUCTION
-    int ARES_EBADSTR
-    int ARES_EBADFLAGS
-    int ARES_ENONAME
-    int ARES_EBADHINTS
-    int ARES_ENOTINITIALIZED
-    int ARES_ELOADIPHLPAPI
-    int ARES_EADDRGETNETWORKPARAMS
-    int ARES_ECANCELLED
-
-    int ARES_NI_NOFQDN
-    int ARES_NI_NUMERICHOST
-    int ARES_NI_NAMEREQD
-    int ARES_NI_NUMERICSERV
-    int ARES_NI_DGRAM
-    int ARES_NI_TCP
-    int ARES_NI_UDP
-    int ARES_NI_SCTP
-    int ARES_NI_DCCP
-    int ARES_NI_NUMERICSCOPE
-    int ARES_NI_LOOKUPHOST
-    int ARES_NI_LOOKUPSERVICE
-
-
-    int ares_library_init(int flags)
-    void ares_library_cleanup()
-    int ares_init_options(void *channelptr, ares_options *options, int)
-    int ares_init(void *channelptr)
-    void ares_destroy(void *channelptr)
-    void ares_gethostbyname(void* channel, char *name, int family, void* callback, void *arg)
-    void ares_gethostbyaddr(void* channel, void *addr, int addrlen, int family, void* callback, void *arg)
-    void ares_process_fd(void* channel, int read_fd, int write_fd)
-    char* ares_strerror(int code)
-    void ares_cancel(void* channel)
-    void ares_getnameinfo(void* channel, void* sa, int salen, int flags, void* callback, void *arg)
-
-    struct in_addr:
-        pass
-
-    struct ares_in6_addr:
-        pass
-
-    struct addr_union:
-        in_addr addr4
-        ares_in6_addr addr6
-
-    struct ares_addr_node:
-        ares_addr_node *next
-        int family
-        addr_union addr
-
-    int ares_set_servers(void* channel, ares_addr_node *servers)
-
-
-cdef extern from "cares_pton.h":
-    int ares_inet_pton(int af, char *src, void *dst)
diff --git a/python/gevent/resolver/thread.py b/python/gevent/resolver/thread.py
deleted file mode 100644
index df71706..0000000
--- a/python/gevent/resolver/thread.py
+++ /dev/null
@@ -1,71 +0,0 @@
-# Copyright (c) 2012-2015 Denis Bilenko. See LICENSE for details.
-"""
-Native thread-based hostname resolver.
-"""
-import _socket
-
-from gevent.hub import get_hub
-
-
-__all__ = ['Resolver']
-
-
-# trigger import of encodings.idna to avoid https://github.com/gevent/gevent/issues/349
-u'foo'.encode('idna')
-
-
-class Resolver(object):
-    """
-    Implementation of the resolver API using native threads and native resolution
-    functions.
-
-    Using the native resolution mechanisms ensures the highest
-    compatibility with what a non-gevent program would return
-    including good support for platform specific configuration
-    mechanisms. The use of native (non-greenlet) threads ensures that
-    a caller doesn't block other greenlets.
-
-    This implementation also has the benefit of being very simple in comparison to
-    :class:`gevent.resolver_ares.Resolver`.
-
-    .. tip::
-
-        Most users find this resolver to be quite reliable in a
-        properly monkey-patched environment. However, there have been
-        some reports of long delays, slow performance or even hangs,
-        particularly in long-lived programs that make many, many DNS
-        requests. If you suspect that may be happening to you, try the
-        dnspython or ares resolver (and submit a bug report).
-    """
-    def __init__(self, hub=None):
-        if hub is None:
-            hub = get_hub()
-        self.pool = hub.threadpool
-        if _socket.gaierror not in hub.NOT_ERROR:
-            # Do not cause lookup failures to get printed by the default
-            # error handler. This can be very noisy.
-            hub.NOT_ERROR += (_socket.gaierror, _socket.herror)
-
-    def __repr__(self):
-        return '<gevent.resolver_thread.Resolver at 0x%x pool=%r>' % (id(self), self.pool)
-
-    def close(self):
-        pass
-
-    # from briefly reading socketmodule.c, it seems that all of the functions
-    # below are thread-safe in Python, even if they are not thread-safe in C.
-
-    def gethostbyname(self, *args):
-        return self.pool.apply(_socket.gethostbyname, args)
-
-    def gethostbyname_ex(self, *args):
-        return self.pool.apply(_socket.gethostbyname_ex, args)
-
-    def getaddrinfo(self, *args, **kwargs):
-        return self.pool.apply(_socket.getaddrinfo, args, kwargs)
-
-    def gethostbyaddr(self, *args, **kwargs):
-        return self.pool.apply(_socket.gethostbyaddr, args, kwargs)
-
-    def getnameinfo(self, *args, **kwargs):
-        return self.pool.apply(_socket.getnameinfo, args, kwargs)