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yt-dlp/yt_dlp/compat/__init__.py
coletdjnz 227bf1a33b
[networking] Rewrite architecture (#2861)
New networking interface consists of a `RequestDirector` that directs
each `Request` to appropriate `RequestHandler` and returns the
`Response` or raises `RequestError`. The handlers define adapters to
transform its internal Request/Response/Errors to our interfaces.

User-facing changes:
- Fix issues with per request proxies on redirects for urllib
- Support for `ALL_PROXY` environment variable for proxy setting
- Support for `socks5h` proxy
   - Closes https://github.com/yt-dlp/yt-dlp/issues/6325, https://github.com/ytdl-org/youtube-dl/issues/22618, https://github.com/ytdl-org/youtube-dl/pull/28093
- Raise error when using `https` proxy instead of silently converting it to `http`

Authored by: coletdjnz
2023-07-15 16:18:35 +05:30

82 lines
2.8 KiB
Python

import os
import sys
import warnings
import xml.etree.ElementTree as etree
from ._deprecated import * # noqa: F401, F403
from .compat_utils import passthrough_module
# XXX: Implement this the same way as other DeprecationWarnings without circular import
passthrough_module(__name__, '._legacy', callback=lambda attr: warnings.warn(
DeprecationWarning(f'{__name__}.{attr} is deprecated'), stacklevel=5))
# HTMLParseError has been deprecated in Python 3.3 and removed in
# Python 3.5. Introducing dummy exception for Python >3.5 for compatible
# and uniform cross-version exception handling
class compat_HTMLParseError(ValueError):
pass
class _TreeBuilder(etree.TreeBuilder):
def doctype(self, name, pubid, system):
pass
def compat_etree_fromstring(text):
return etree.XML(text, parser=etree.XMLParser(target=_TreeBuilder()))
compat_os_name = os._name if os.name == 'java' else os.name
if compat_os_name == 'nt':
def compat_shlex_quote(s):
import re
return s if re.match(r'^[-_\w./]+$', s) else '"%s"' % s.replace('"', '\\"')
else:
from shlex import quote as compat_shlex_quote # noqa: F401
def compat_ord(c):
return c if isinstance(c, int) else ord(c)
if compat_os_name == 'nt' and sys.version_info < (3, 8):
# os.path.realpath on Windows does not follow symbolic links
# prior to Python 3.8 (see https://bugs.python.org/issue9949)
def compat_realpath(path):
while os.path.islink(path):
path = os.path.abspath(os.readlink(path))
return os.path.realpath(path)
else:
compat_realpath = os.path.realpath
# Python 3.8+ does not honor %HOME% on windows, but this breaks compatibility with youtube-dl
# See https://github.com/yt-dlp/yt-dlp/issues/792
# https://docs.python.org/3/library/os.path.html#os.path.expanduser
if compat_os_name in ('nt', 'ce'):
def compat_expanduser(path):
HOME = os.environ.get('HOME')
if not HOME:
return os.path.expanduser(path)
elif not path.startswith('~'):
return path
i = path.replace('\\', '/', 1).find('/') # ~user
if i < 0:
i = len(path)
userhome = os.path.join(os.path.dirname(HOME), path[1:i]) if i > 1 else HOME
return userhome + path[i:]
else:
compat_expanduser = os.path.expanduser
def urllib_req_to_req(urllib_request):
"""Convert urllib Request to a networking Request"""
from ..networking import Request
from ..utils.networking import HTTPHeaderDict
return Request(
urllib_request.get_full_url(), data=urllib_request.data, method=urllib_request.get_method(),
headers=HTTPHeaderDict(urllib_request.headers, urllib_request.unredirected_hdrs),
extensions={'timeout': urllib_request.timeout} if hasattr(urllib_request, 'timeout') else None)