From 227b2d30a8675b44918f9d9ca89b24144a938215 Mon Sep 17 00:00:00 2001 From: Shubham Saini Date: Mon, 5 Aug 2019 14:02:33 +0530 Subject: removing venv files --- .../pip/_vendor/webencodings/__init__.py | 342 --------------------- 1 file changed, 342 deletions(-) delete mode 100644 venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/webencodings/__init__.py (limited to 'venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/webencodings/__init__.py') diff --git a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/webencodings/__init__.py b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/webencodings/__init__.py deleted file mode 100644 index 16671ef..0000000 --- a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/webencodings/__init__.py +++ /dev/null @@ -1,342 +0,0 @@ -# coding: utf-8 -""" - - webencodings - ~~~~~~~~~~~~ - - This is a Python implementation of the `WHATWG Encoding standard - `. See README for details. - - :copyright: Copyright 2012 by Simon Sapin - :license: BSD, see LICENSE for details. - -""" - -from __future__ import unicode_literals - -import codecs - -from .labels import LABELS - - -VERSION = '0.5.1' - - -# Some names in Encoding are not valid Python aliases. Remap these. -PYTHON_NAMES = { - 'iso-8859-8-i': 'iso-8859-8', - 'x-mac-cyrillic': 'mac-cyrillic', - 'macintosh': 'mac-roman', - 'windows-874': 'cp874'} - -CACHE = {} - - -def ascii_lower(string): - r"""Transform (only) ASCII letters to lower case: A-Z is mapped to a-z. - - :param string: An Unicode string. - :returns: A new Unicode string. - - This is used for `ASCII case-insensitive - `_ - matching of encoding labels. - The same matching is also used, among other things, - for `CSS keywords `_. - - This is different from the :meth:`~py:str.lower` method of Unicode strings - which also affect non-ASCII characters, - sometimes mapping them into the ASCII range: - - >>> keyword = u'Bac\N{KELVIN SIGN}ground' - >>> assert keyword.lower() == u'background' - >>> assert ascii_lower(keyword) != keyword.lower() - >>> assert ascii_lower(keyword) == u'bac\N{KELVIN SIGN}ground' - - """ - # This turns out to be faster than unicode.translate() - return string.encode('utf8').lower().decode('utf8') - - -def lookup(label): - """ - Look for an encoding by its label. - This is the spec’s `get an encoding - `_ algorithm. - Supported labels are listed there. - - :param label: A string. - :returns: - An :class:`Encoding` object, or :obj:`None` for an unknown label. - - """ - # Only strip ASCII whitespace: U+0009, U+000A, U+000C, U+000D, and U+0020. - label = ascii_lower(label.strip('\t\n\f\r ')) - name = LABELS.get(label) - if name is None: - return None - encoding = CACHE.get(name) - if encoding is None: - if name == 'x-user-defined': - from .x_user_defined import codec_info - else: - python_name = PYTHON_NAMES.get(name, name) - # Any python_name value that gets to here should be valid. - codec_info = codecs.lookup(python_name) - encoding = Encoding(name, codec_info) - CACHE[name] = encoding - return encoding - - -def _get_encoding(encoding_or_label): - """ - Accept either an encoding object or label. - - :param encoding: An :class:`Encoding` object or a label string. - :returns: An :class:`Encoding` object. - :raises: :exc:`~exceptions.LookupError` for an unknown label. - - """ - if hasattr(encoding_or_label, 'codec_info'): - return encoding_or_label - - encoding = lookup(encoding_or_label) - if encoding is None: - raise LookupError('Unknown encoding label: %r' % encoding_or_label) - return encoding - - -class Encoding(object): - """Reresents a character encoding such as UTF-8, - that can be used for decoding or encoding. - - .. attribute:: name - - Canonical name of the encoding - - .. attribute:: codec_info - - The actual implementation of the encoding, - a stdlib :class:`~codecs.CodecInfo` object. - See :func:`codecs.register`. - - """ - def __init__(self, name, codec_info): - self.name = name - self.codec_info = codec_info - - def __repr__(self): - return '' % self.name - - -#: The UTF-8 encoding. Should be used for new content and formats. -UTF8 = lookup('utf-8') - -_UTF16LE = lookup('utf-16le') -_UTF16BE = lookup('utf-16be') - - -def decode(input, fallback_encoding, errors='replace'): - """ - Decode a single string. - - :param input: A byte string - :param fallback_encoding: - An :class:`Encoding` object or a label string. - The encoding to use if :obj:`input` does note have a BOM. - :param errors: Type of error handling. See :func:`codecs.register`. - :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. - :return: - A ``(output, encoding)`` tuple of an Unicode string - and an :obj:`Encoding`. - - """ - # Fail early if `encoding` is an invalid label. - fallback_encoding = _get_encoding(fallback_encoding) - bom_encoding, input = _detect_bom(input) - encoding = bom_encoding or fallback_encoding - return encoding.codec_info.decode(input, errors)[0], encoding - - -def _detect_bom(input): - """Return (bom_encoding, input), with any BOM removed from the input.""" - if input.startswith(b'\xFF\xFE'): - return _UTF16LE, input[2:] - if input.startswith(b'\xFE\xFF'): - return _UTF16BE, input[2:] - if input.startswith(b'\xEF\xBB\xBF'): - return UTF8, input[3:] - return None, input - - -def encode(input, encoding=UTF8, errors='strict'): - """ - Encode a single string. - - :param input: An Unicode string. - :param encoding: An :class:`Encoding` object or a label string. - :param errors: Type of error handling. See :func:`codecs.register`. - :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. - :return: A byte string. - - """ - return _get_encoding(encoding).codec_info.encode(input, errors)[0] - - -def iter_decode(input, fallback_encoding, errors='replace'): - """ - "Pull"-based decoder. - - :param input: - An iterable of byte strings. - - The input is first consumed just enough to determine the encoding - based on the precense of a BOM, - then consumed on demand when the return value is. - :param fallback_encoding: - An :class:`Encoding` object or a label string. - The encoding to use if :obj:`input` does note have a BOM. - :param errors: Type of error handling. See :func:`codecs.register`. - :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. - :returns: - An ``(output, encoding)`` tuple. - :obj:`output` is an iterable of Unicode strings, - :obj:`encoding` is the :obj:`Encoding` that is being used. - - """ - - decoder = IncrementalDecoder(fallback_encoding, errors) - generator = _iter_decode_generator(input, decoder) - encoding = next(generator) - return generator, encoding - - -def _iter_decode_generator(input, decoder): - """Return a generator that first yields the :obj:`Encoding`, - then yields output chukns as Unicode strings. - - """ - decode = decoder.decode - input = iter(input) - for chunck in input: - output = decode(chunck) - if output: - assert decoder.encoding is not None - yield decoder.encoding - yield output - break - else: - # Input exhausted without determining the encoding - output = decode(b'', final=True) - assert decoder.encoding is not None - yield decoder.encoding - if output: - yield output - return - - for chunck in input: - output = decode(chunck) - if output: - yield output - output = decode(b'', final=True) - if output: - yield output - - -def iter_encode(input, encoding=UTF8, errors='strict'): - """ - “Pull”-based encoder. - - :param input: An iterable of Unicode strings. - :param encoding: An :class:`Encoding` object or a label string. - :param errors: Type of error handling. See :func:`codecs.register`. - :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. - :returns: An iterable of byte strings. - - """ - # Fail early if `encoding` is an invalid label. - encode = IncrementalEncoder(encoding, errors).encode - return _iter_encode_generator(input, encode) - - -def _iter_encode_generator(input, encode): - for chunck in input: - output = encode(chunck) - if output: - yield output - output = encode('', final=True) - if output: - yield output - - -class IncrementalDecoder(object): - """ - “Push”-based decoder. - - :param fallback_encoding: - An :class:`Encoding` object or a label string. - The encoding to use if :obj:`input` does note have a BOM. - :param errors: Type of error handling. See :func:`codecs.register`. - :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. - - """ - def __init__(self, fallback_encoding, errors='replace'): - # Fail early if `encoding` is an invalid label. - self._fallback_encoding = _get_encoding(fallback_encoding) - self._errors = errors - self._buffer = b'' - self._decoder = None - #: The actual :class:`Encoding` that is being used, - #: or :obj:`None` if that is not determined yet. - #: (Ie. if there is not enough input yet to determine - #: if there is a BOM.) - self.encoding = None # Not known yet. - - def decode(self, input, final=False): - """Decode one chunk of the input. - - :param input: A byte string. - :param final: - Indicate that no more input is available. - Must be :obj:`True` if this is the last call. - :returns: An Unicode string. - - """ - decoder = self._decoder - if decoder is not None: - return decoder(input, final) - - input = self._buffer + input - encoding, input = _detect_bom(input) - if encoding is None: - if len(input) < 3 and not final: # Not enough data yet. - self._buffer = input - return '' - else: # No BOM - encoding = self._fallback_encoding - decoder = encoding.codec_info.incrementaldecoder(self._errors).decode - self._decoder = decoder - self.encoding = encoding - return decoder(input, final) - - -class IncrementalEncoder(object): - """ - “Push”-based encoder. - - :param encoding: An :class:`Encoding` object or a label string. - :param errors: Type of error handling. See :func:`codecs.register`. - :raises: :exc:`~exceptions.LookupError` for an unknown encoding label. - - .. method:: encode(input, final=False) - - :param input: An Unicode string. - :param final: - Indicate that no more input is available. - Must be :obj:`True` if this is the last call. - :returns: A byte string. - - """ - def __init__(self, encoding=UTF8, errors='strict'): - encoding = _get_encoding(encoding) - self.encode = encoding.codec_info.incrementalencoder(errors).encode -- cgit v1.2.3