1 files changed, 72 insertions, 0 deletions
diff --git a/yt_dlp/compat/__init__.py b/yt_dlp/compat/__init__.py
new file mode 100644
index 0000000..c6c0254
--- /dev/null
+++ b/yt_dlp/compat/__init__.py
@@ -0,0 +1,72 @@
+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