mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-10 09:07:58 +01:00
108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
import contextlib
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import os
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import subprocess
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import sys
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import types
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import xml.etree.ElementTree as etree
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from . import re
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from ._deprecated import * # noqa: F401, F403
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# HTMLParseError has been deprecated in Python 3.3 and removed in
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# Python 3.5. Introducing dummy exception for Python >3.5 for compatible
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# and uniform cross-version exception handling
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class compat_HTMLParseError(Exception):
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pass
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class _TreeBuilder(etree.TreeBuilder):
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def doctype(self, name, pubid, system):
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pass
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def compat_etree_fromstring(text):
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return etree.XML(text, parser=etree.XMLParser(target=_TreeBuilder()))
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compat_os_name = os._name if os.name == 'java' else os.name
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if compat_os_name == 'nt':
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def compat_shlex_quote(s):
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return s if re.match(r'^[-_\w./]+$', s) else '"%s"' % s.replace('"', '\\"')
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else:
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from shlex import quote as compat_shlex_quote # noqa: F401
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def compat_ord(c):
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return c if isinstance(c, int) else ord(c)
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def compat_setenv(key, value, env=os.environ):
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env[key] = value
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if compat_os_name == 'nt' and sys.version_info < (3, 8):
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# os.path.realpath on Windows does not follow symbolic links
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# prior to Python 3.8 (see https://bugs.python.org/issue9949)
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def compat_realpath(path):
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while os.path.islink(path):
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path = os.path.abspath(os.readlink(path))
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return path
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else:
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compat_realpath = os.path.realpath
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# Python 3.8+ does not honor %HOME% on windows, but this breaks compatibility with youtube-dl
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# See https://github.com/yt-dlp/yt-dlp/issues/792
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# https://docs.python.org/3/library/os.path.html#os.path.expanduser
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if compat_os_name in ('nt', 'ce'):
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def compat_expanduser(path):
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HOME = os.environ.get('HOME')
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if not HOME:
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return os.path.expanduser(path)
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elif not path.startswith('~'):
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return path
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i = path.replace('\\', '/', 1).find('/') # ~user
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if i < 0:
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i = len(path)
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userhome = os.path.join(os.path.dirname(HOME), path[1:i]) if i > 1 else HOME
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return userhome + path[i:]
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else:
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compat_expanduser = os.path.expanduser
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WINDOWS_VT_MODE = False if compat_os_name == 'nt' else None
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def windows_enable_vt_mode(): # TODO: Do this the proper way https://bugs.python.org/issue30075
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if compat_os_name != 'nt':
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return
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global WINDOWS_VT_MODE
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startupinfo = subprocess.STARTUPINFO()
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startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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with contextlib.suppress(Exception):
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subprocess.Popen('', shell=True, startupinfo=startupinfo).wait()
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WINDOWS_VT_MODE = True
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class _PassthroughLegacy(types.ModuleType):
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def __getattr__(self, attr):
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import importlib
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with contextlib.suppress(ImportError):
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return importlib.import_module(f'.{attr}', __name__)
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legacy = importlib.import_module('._legacy', __name__)
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if not hasattr(legacy, attr):
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raise AttributeError(f'module {__name__} has no attribute {attr}')
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# XXX: Implement this the same way as other DeprecationWarnings without circular import
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import warnings
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warnings.warn(DeprecationWarning(f'{__name__}.{attr} is deprecated'), stacklevel=2)
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return getattr(legacy, attr)
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# Python 3.6 does not have module level __getattr__
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# https://peps.python.org/pep-0562/
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sys.modules[__name__].__class__ = _PassthroughLegacy
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