Remove windows python distribution from repo and add requirements.txt

1 files changed, 0 insertions, 586 deletions

diff --git a/python/werkzeug/formparser.py b/python/werkzeug/formparser.py
deleted file mode 100644
index 0ddc5c8..0000000
--- a/python/werkzeug/formparser.py
+++ /dev/null
@@ -1,586 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-    werkzeug.formparser
-    ~~~~~~~~~~~~~~~~~~~
-
-    This module implements the form parsing.  It supports url-encoded forms
-    as well as non-nested multipart uploads.
-
-    :copyright: 2007 Pallets
-    :license: BSD-3-Clause
-"""
-import codecs
-import re
-from functools import update_wrapper
-from itertools import chain
-from itertools import repeat
-from itertools import tee
-
-from ._compat import BytesIO
-from ._compat import text_type
-from ._compat import to_native
-from .datastructures import FileStorage
-from .datastructures import Headers
-from .datastructures import MultiDict
-from .http import parse_options_header
-from .urls import url_decode_stream
-from .wsgi import get_content_length
-from .wsgi import get_input_stream
-from .wsgi import make_line_iter
-
-# there are some platforms where SpooledTemporaryFile is not available.
-# In that case we need to provide a fallback.
-try:
-    from tempfile import SpooledTemporaryFile
-except ImportError:
-    from tempfile import TemporaryFile
-
-    SpooledTemporaryFile = None
-
-
-#: an iterator that yields empty strings
-_empty_string_iter = repeat("")
-
-#: a regular expression for multipart boundaries
-_multipart_boundary_re = re.compile("^[ -~]{0,200}[!-~]$")
-
-#: supported http encodings that are also available in python we support
-#: for multipart messages.
-_supported_multipart_encodings = frozenset(["base64", "quoted-printable"])
-
-
-def default_stream_factory(
-    total_content_length, filename, content_type, content_length=None
-):
-    """The stream factory that is used per default."""
-    max_size = 1024 * 500
-    if SpooledTemporaryFile is not None:
-        return SpooledTemporaryFile(max_size=max_size, mode="wb+")
-    if total_content_length is None or total_content_length > max_size:
-        return TemporaryFile("wb+")
-    return BytesIO()
-
-
-def parse_form_data(
-    environ,
-    stream_factory=None,
-    charset="utf-8",
-    errors="replace",
-    max_form_memory_size=None,
-    max_content_length=None,
-    cls=None,
-    silent=True,
-):
-    """Parse the form data in the environ and return it as tuple in the form
-    ``(stream, form, files)``.  You should only call this method if the
-    transport method is `POST`, `PUT`, or `PATCH`.
-
-    If the mimetype of the data transmitted is `multipart/form-data` the
-    files multidict will be filled with `FileStorage` objects.  If the
-    mimetype is unknown the input stream is wrapped and returned as first
-    argument, else the stream is empty.
-
-    This is a shortcut for the common usage of :class:`FormDataParser`.
-
-    Have a look at :ref:`dealing-with-request-data` for more details.
-
-    .. versionadded:: 0.5
-       The `max_form_memory_size`, `max_content_length` and
-       `cls` parameters were added.
-
-    .. versionadded:: 0.5.1
-       The optional `silent` flag was added.
-
-    :param environ: the WSGI environment to be used for parsing.
-    :param stream_factory: An optional callable that returns a new read and
-                           writeable file descriptor.  This callable works
-                           the same as :meth:`~BaseResponse._get_file_stream`.
-    :param charset: The character set for URL and url encoded form data.
-    :param errors: The encoding error behavior.
-    :param max_form_memory_size: the maximum number of bytes to be accepted for
-                           in-memory stored form data.  If the data
-                           exceeds the value specified an
-                           :exc:`~exceptions.RequestEntityTooLarge`
-                           exception is raised.
-    :param max_content_length: If this is provided and the transmitted data
-                               is longer than this value an
-                               :exc:`~exceptions.RequestEntityTooLarge`
-                               exception is raised.
-    :param cls: an optional dict class to use.  If this is not specified
-                       or `None` the default :class:`MultiDict` is used.
-    :param silent: If set to False parsing errors will not be caught.
-    :return: A tuple in the form ``(stream, form, files)``.
-    """
-    return FormDataParser(
-        stream_factory,
-        charset,
-        errors,
-        max_form_memory_size,
-        max_content_length,
-        cls,
-        silent,
-    ).parse_from_environ(environ)
-
-
-def exhaust_stream(f):
-    """Helper decorator for methods that exhausts the stream on return."""
-
-    def wrapper(self, stream, *args, **kwargs):
-        try:
-            return f(self, stream, *args, **kwargs)
-        finally:
-            exhaust = getattr(stream, "exhaust", None)
-            if exhaust is not None:
-                exhaust()
-            else:
-                while 1:
-                    chunk = stream.read(1024 * 64)
-                    if not chunk:
-                        break
-
-    return update_wrapper(wrapper, f)
-
-
-class FormDataParser(object):
-    """This class implements parsing of form data for Werkzeug.  By itself
-    it can parse multipart and url encoded form data.  It can be subclassed
-    and extended but for most mimetypes it is a better idea to use the
-    untouched stream and expose it as separate attributes on a request
-    object.
-
-    .. versionadded:: 0.8
-
-    :param stream_factory: An optional callable that returns a new read and
-                           writeable file descriptor.  This callable works
-                           the same as :meth:`~BaseResponse._get_file_stream`.
-    :param charset: The character set for URL and url encoded form data.
-    :param errors: The encoding error behavior.
-    :param max_form_memory_size: the maximum number of bytes to be accepted for
-                           in-memory stored form data.  If the data
-                           exceeds the value specified an
-                           :exc:`~exceptions.RequestEntityTooLarge`
-                           exception is raised.
-    :param max_content_length: If this is provided and the transmitted data
-                               is longer than this value an
-                               :exc:`~exceptions.RequestEntityTooLarge`
-                               exception is raised.
-    :param cls: an optional dict class to use.  If this is not specified
-                       or `None` the default :class:`MultiDict` is used.
-    :param silent: If set to False parsing errors will not be caught.
-    """
-
-    def __init__(
-        self,
-        stream_factory=None,
-        charset="utf-8",
-        errors="replace",
-        max_form_memory_size=None,
-        max_content_length=None,
-        cls=None,
-        silent=True,
-    ):
-        if stream_factory is None:
-            stream_factory = default_stream_factory
-        self.stream_factory = stream_factory
-        self.charset = charset
-        self.errors = errors
-        self.max_form_memory_size = max_form_memory_size
-        self.max_content_length = max_content_length
-        if cls is None:
-            cls = MultiDict
-        self.cls = cls
-        self.silent = silent
-
-    def get_parse_func(self, mimetype, options):
-        return self.parse_functions.get(mimetype)
-
-    def parse_from_environ(self, environ):
-        """Parses the information from the environment as form data.
-
-        :param environ: the WSGI environment to be used for parsing.
-        :return: A tuple in the form ``(stream, form, files)``.
-        """
-        content_type = environ.get("CONTENT_TYPE", "")
-        content_length = get_content_length(environ)
-        mimetype, options = parse_options_header(content_type)
-        return self.parse(get_input_stream(environ), mimetype, content_length, options)
-
-    def parse(self, stream, mimetype, content_length, options=None):
-        """Parses the information from the given stream, mimetype,
-        content length and mimetype parameters.
-
-        :param stream: an input stream
-        :param mimetype: the mimetype of the data
-        :param content_length: the content length of the incoming data
-        :param options: optional mimetype parameters (used for
-                        the multipart boundary for instance)
-        :return: A tuple in the form ``(stream, form, files)``.
-        """
-        if (
-            self.max_content_length is not None
-            and content_length is not None
-            and content_length > self.max_content_length
-        ):
-            raise exceptions.RequestEntityTooLarge()
-        if options is None:
-            options = {}
-
-        parse_func = self.get_parse_func(mimetype, options)
-        if parse_func is not None:
-            try:
-                return parse_func(self, stream, mimetype, content_length, options)
-            except ValueError:
-                if not self.silent:
-                    raise
-
-        return stream, self.cls(), self.cls()
-
-    @exhaust_stream
-    def _parse_multipart(self, stream, mimetype, content_length, options):
-        parser = MultiPartParser(
-            self.stream_factory,
-            self.charset,
-            self.errors,
-            max_form_memory_size=self.max_form_memory_size,
-            cls=self.cls,
-        )
-        boundary = options.get("boundary")
-        if boundary is None:
-            raise ValueError("Missing boundary")
-        if isinstance(boundary, text_type):
-            boundary = boundary.encode("ascii")
-        form, files = parser.parse(stream, boundary, content_length)
-        return stream, form, files
-
-    @exhaust_stream
-    def _parse_urlencoded(self, stream, mimetype, content_length, options):
-        if (
-            self.max_form_memory_size is not None
-            and content_length is not None
-            and content_length > self.max_form_memory_size
-        ):
-            raise exceptions.RequestEntityTooLarge()
-        form = url_decode_stream(stream, self.charset, errors=self.errors, cls=self.cls)
-        return stream, form, self.cls()
-
-    #: mapping of mimetypes to parsing functions
-    parse_functions = {
-        "multipart/form-data": _parse_multipart,
-        "application/x-www-form-urlencoded": _parse_urlencoded,
-        "application/x-url-encoded": _parse_urlencoded,
-    }
-
-
-def is_valid_multipart_boundary(boundary):
-    """Checks if the string given is a valid multipart boundary."""
-    return _multipart_boundary_re.match(boundary) is not None
-
-
-def _line_parse(line):
-    """Removes line ending characters and returns a tuple (`stripped_line`,
-    `is_terminated`).
-    """
-    if line[-2:] in ["\r\n", b"\r\n"]:
-        return line[:-2], True
-    elif line[-1:] in ["\r", "\n", b"\r", b"\n"]:
-        return line[:-1], True
-    return line, False
-
-
-def parse_multipart_headers(iterable):
-    """Parses multipart headers from an iterable that yields lines (including
-    the trailing newline symbol).  The iterable has to be newline terminated.
-
-    The iterable will stop at the line where the headers ended so it can be
-    further consumed.
-
-    :param iterable: iterable of strings that are newline terminated
-    """
-    result = []
-    for line in iterable:
-        line = to_native(line)
-        line, line_terminated = _line_parse(line)
-        if not line_terminated:
-            raise ValueError("unexpected end of line in multipart header")
-        if not line:
-            break
-        elif line[0] in " \t" and result:
-            key, value = result[-1]
-            result[-1] = (key, value + "\n " + line[1:])
-        else:
-            parts = line.split(":", 1)
-            if len(parts) == 2:
-                result.append((parts[0].strip(), parts[1].strip()))
-
-    # we link the list to the headers, no need to create a copy, the
-    # list was not shared anyways.
-    return Headers(result)
-
-
-_begin_form = "begin_form"
-_begin_file = "begin_file"
-_cont = "cont"
-_end = "end"
-
-
-class MultiPartParser(object):
-    def __init__(
-        self,
-        stream_factory=None,
-        charset="utf-8",
-        errors="replace",
-        max_form_memory_size=None,
-        cls=None,
-        buffer_size=64 * 1024,
-    ):
-        self.charset = charset
-        self.errors = errors
-        self.max_form_memory_size = max_form_memory_size
-        self.stream_factory = (
-            default_stream_factory if stream_factory is None else stream_factory
-        )
-        self.cls = MultiDict if cls is None else cls
-
-        # make sure the buffer size is divisible by four so that we can base64
-        # decode chunk by chunk
-        assert buffer_size % 4 == 0, "buffer size has to be divisible by 4"
-        # also the buffer size has to be at least 1024 bytes long or long headers
-        # will freak out the system
-        assert buffer_size >= 1024, "buffer size has to be at least 1KB"
-
-        self.buffer_size = buffer_size
-
-    def _fix_ie_filename(self, filename):
-        """Internet Explorer 6 transmits the full file name if a file is
-        uploaded.  This function strips the full path if it thinks the
-        filename is Windows-like absolute.
-        """
-        if filename[1:3] == ":\\" or filename[:2] == "\\\\":
-            return filename.split("\\")[-1]
-        return filename
-
-    def _find_terminator(self, iterator):
-        """The terminator might have some additional newlines before it.
-        There is at least one application that sends additional newlines
-        before headers (the python setuptools package).
-        """
-        for line in iterator:
-            if not line:
-                break
-            line = line.strip()
-            if line:
-                return line
-        return b""
-
-    def fail(self, message):
-        raise ValueError(message)
-
-    def get_part_encoding(self, headers):
-        transfer_encoding = headers.get("content-transfer-encoding")
-        if (
-            transfer_encoding is not None
-            and transfer_encoding in _supported_multipart_encodings
-        ):
-            return transfer_encoding
-
-    def get_part_charset(self, headers):
-        # Figure out input charset for current part
-        content_type = headers.get("content-type")
-        if content_type:
-            mimetype, ct_params = parse_options_header(content_type)
-            return ct_params.get("charset", self.charset)
-        return self.charset
-
-    def start_file_streaming(self, filename, headers, total_content_length):
-        if isinstance(filename, bytes):
-            filename = filename.decode(self.charset, self.errors)
-        filename = self._fix_ie_filename(filename)
-        content_type = headers.get("content-type")
-        try:
-            content_length = int(headers["content-length"])
-        except (KeyError, ValueError):
-            content_length = 0
-        container = self.stream_factory(
-            total_content_length=total_content_length,
-            filename=filename,
-            content_type=content_type,
-            content_length=content_length,
-        )
-        return filename, container
-
-    def in_memory_threshold_reached(self, bytes):
-        raise exceptions.RequestEntityTooLarge()
-
-    def validate_boundary(self, boundary):
-        if not boundary:
-            self.fail("Missing boundary")
-        if not is_valid_multipart_boundary(boundary):
-            self.fail("Invalid boundary: %s" % boundary)
-        if len(boundary) > self.buffer_size:  # pragma: no cover
-            # this should never happen because we check for a minimum size
-            # of 1024 and boundaries may not be longer than 200.  The only
-            # situation when this happens is for non debug builds where
-            # the assert is skipped.
-            self.fail("Boundary longer than buffer size")
-
-    def parse_lines(self, file, boundary, content_length, cap_at_buffer=True):
-        """Generate parts of
-        ``('begin_form', (headers, name))``
-        ``('begin_file', (headers, name, filename))``
-        ``('cont', bytestring)``
-        ``('end', None)``
-
-        Always obeys the grammar
-        parts = ( begin_form cont* end |
-                  begin_file cont* end )*
-        """
-        next_part = b"--" + boundary
-        last_part = next_part + b"--"
-
-        iterator = chain(
-            make_line_iter(
-                file,
-                limit=content_length,
-                buffer_size=self.buffer_size,
-                cap_at_buffer=cap_at_buffer,
-            ),
-            _empty_string_iter,
-        )
-
-        terminator = self._find_terminator(iterator)
-
-        if terminator == last_part:
-            return
-        elif terminator != next_part:
-            self.fail("Expected boundary at start of multipart data")
-
-        while terminator != last_part:
-            headers = parse_multipart_headers(iterator)
-
-            disposition = headers.get("content-disposition")
-            if disposition is None:
-                self.fail("Missing Content-Disposition header")
-            disposition, extra = parse_options_header(disposition)
-            transfer_encoding = self.get_part_encoding(headers)
-            name = extra.get("name")
-            filename = extra.get("filename")
-
-            # if no content type is given we stream into memory.  A list is
-            # used as a temporary container.
-            if filename is None:
-                yield _begin_form, (headers, name)
-
-            # otherwise we parse the rest of the headers and ask the stream
-            # factory for something we can write in.
-            else:
-                yield _begin_file, (headers, name, filename)
-
-            buf = b""
-            for line in iterator:
-                if not line:
-                    self.fail("unexpected end of stream")
-
-                if line[:2] == b"--":
-                    terminator = line.rstrip()
-                    if terminator in (next_part, last_part):
-                        break
-
-                if transfer_encoding is not None:
-                    if transfer_encoding == "base64":
-                        transfer_encoding = "base64_codec"
-                    try:
-                        line = codecs.decode(line, transfer_encoding)
-                    except Exception:
-                        self.fail("could not decode transfer encoded chunk")
-
-                # we have something in the buffer from the last iteration.
-                # this is usually a newline delimiter.
-                if buf:
-                    yield _cont, buf
-                    buf = b""
-
-                # If the line ends with windows CRLF we write everything except
-                # the last two bytes.  In all other cases however we write
-                # everything except the last byte.  If it was a newline, that's
-                # fine, otherwise it does not matter because we will write it
-                # the next iteration.  this ensures we do not write the
-                # final newline into the stream.  That way we do not have to
-                # truncate the stream.  However we do have to make sure that
-                # if something else than a newline is in there we write it
-                # out.
-                if line[-2:] == b"\r\n":
-                    buf = b"\r\n"
-                    cutoff = -2
-                else:
-                    buf = line[-1:]
-                    cutoff = -1
-                yield _cont, line[:cutoff]
-
-            else:  # pragma: no cover
-                raise ValueError("unexpected end of part")
-
-            # if we have a leftover in the buffer that is not a newline
-            # character we have to flush it, otherwise we will chop of
-            # certain values.
-            if buf not in (b"", b"\r", b"\n", b"\r\n"):
-                yield _cont, buf
-
-            yield _end, None
-
-    def parse_parts(self, file, boundary, content_length):
-        """Generate ``('file', (name, val))`` and
-        ``('form', (name, val))`` parts.
-        """
-        in_memory = 0
-
-        for ellt, ell in self.parse_lines(file, boundary, content_length):
-            if ellt == _begin_file:
-                headers, name, filename = ell
-                is_file = True
-                guard_memory = False
-                filename, container = self.start_file_streaming(
-                    filename, headers, content_length
-                )
-                _write = container.write
-
-            elif ellt == _begin_form:
-                headers, name = ell
-                is_file = False
-                container = []
-                _write = container.append
-                guard_memory = self.max_form_memory_size is not None
-
-            elif ellt == _cont:
-                _write(ell)
-                # if we write into memory and there is a memory size limit we
-                # count the number of bytes in memory and raise an exception if
-                # there is too much data in memory.
-                if guard_memory:
-                    in_memory += len(ell)
-                    if in_memory > self.max_form_memory_size:
-                        self.in_memory_threshold_reached(in_memory)
-
-            elif ellt == _end:
-                if is_file:
-                    container.seek(0)
-                    yield (
-                        "file",
-                        (name, FileStorage(container, filename, name, headers=headers)),
-                    )
-                else:
-                    part_charset = self.get_part_charset(headers)
-                    yield (
-                        "form",
-                        (name, b"".join(container).decode(part_charset, self.errors)),
-                    )
-
-    def parse(self, file, boundary, content_length):
-        formstream, filestream = tee(
-            self.parse_parts(file, boundary, content_length), 2
-        )
-        form = (p[1] for p in formstream if p[0] == "form")
-        files = (p[1] for p in filestream if p[0] == "file")
-        return self.cls(form), self.cls(files)
-
-
-from . import exceptions