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107 lines
2.1 KiB
Python
107 lines
2.1 KiB
Python
"""
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requests.compat
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~~~~~~~~~~~~~~~
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This module previously handled import compatibility issues
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between Python 2 and Python 3. It remains for backwards
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compatibility until the next major version.
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"""
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import importlib
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import sys
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# -------
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# urllib3
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# -------
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from urllib3 import __version__ as urllib3_version
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# Detect which major version of urllib3 is being used.
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try:
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is_urllib3_1 = int(urllib3_version.split(".")[0]) == 1
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except (TypeError, AttributeError):
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# If we can't discern a version, prefer old functionality.
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is_urllib3_1 = True
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# -------------------
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# Character Detection
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# -------------------
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def _resolve_char_detection():
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"""Find supported character detection libraries."""
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chardet = None
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for lib in ("chardet", "charset_normalizer"):
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if chardet is None:
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try:
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chardet = importlib.import_module(lib)
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except ImportError:
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pass
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return chardet
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chardet = _resolve_char_detection()
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# -------
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# Pythons
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# -------
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# Syntax sugar.
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_ver = sys.version_info
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#: Python 2.x?
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is_py2 = _ver[0] == 2
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#: Python 3.x?
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is_py3 = _ver[0] == 3
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# json/simplejson module import resolution
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has_simplejson = False
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try:
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import simplejson as json
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has_simplejson = True
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except ImportError:
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import json
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if has_simplejson:
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from simplejson import JSONDecodeError
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else:
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from json import JSONDecodeError
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# Keep OrderedDict for backwards compatibility.
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from collections import OrderedDict
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from collections.abc import Callable, Mapping, MutableMapping
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from http import cookiejar as cookielib
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from http.cookies import Morsel
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from io import StringIO
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# --------------
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# Legacy Imports
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# --------------
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from urllib.parse import (
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quote,
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quote_plus,
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unquote,
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unquote_plus,
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urldefrag,
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urlencode,
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urljoin,
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urlparse,
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urlsplit,
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urlunparse,
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)
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from urllib.request import (
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getproxies,
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getproxies_environment,
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parse_http_list,
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proxy_bypass,
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proxy_bypass_environment,
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)
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builtin_str = str
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str = str
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bytes = bytes
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basestring = (str, bytes)
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numeric_types = (int, float)
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integer_types = (int,)
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