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authorJames Taylor <user234683@users.noreply.github.com>2018-09-14 19:32:27 -0700
committerJames Taylor <user234683@users.noreply.github.com>2018-09-14 19:32:27 -0700
commit4212164e91ba2f49583cf44ad623a29b36db8f77 (patch)
tree47aefe3c0162f03e0c823b43873356f69c1cd636 /python/gevent/resolver_thread.py
parent6ca20ff7010f2bafc7fefcb8cad982be27a8aeae (diff)
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Diffstat (limited to 'python/gevent/resolver_thread.py')
-rw-r--r--python/gevent/resolver_thread.py77
1 files changed, 8 insertions, 69 deletions
diff --git a/python/gevent/resolver_thread.py b/python/gevent/resolver_thread.py
index ce69eaf..a8687e7 100644
--- a/python/gevent/resolver_thread.py
+++ b/python/gevent/resolver_thread.py
@@ -1,71 +1,10 @@
-# Copyright (c) 2012-2015 Denis Bilenko. See LICENSE for details.
-"""
-Native thread-based hostname resolver.
-"""
-import _socket
-from gevent._compat import text_type
-from gevent.hub import get_hub
-
-
-__all__ = ['Resolver']
-
-
-# trigger import of encodings.idna to avoid https://github.com/gevent/gevent/issues/349
-text_type('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`.
+"""Backwards compatibility alias for :mod:`gevent.resolver.thread`.
- .. 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
- 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)
+.. deprecated:: 1.3
+ Use :mod:`gevent.resolver.cares`
+"""
- def getnameinfo(self, *args, **kwargs):
- return self.pool.apply(_socket.getnameinfo, args, kwargs)
+from gevent.resolver.thread import * # pylint:disable=wildcard-import,unused-wildcard-import
+import gevent.resolver.thread as _thread
+__all__ = _thread.__all__
+del _thread