[cleanup] Misc fixes

Closes #3565, https://github.com/yt-dlp/yt-dlp/issues/3514#issuecomment-1105944364

1 files changed, 19 insertions, 3 deletions

diff --git a/yt_dlp/compat/compat_utils.py b/yt_dlp/compat/compat_utils.py
index 938daf926..b1d58f5b9 100644
--- a/yt_dlp/compat/compat_utils.py
+++ b/yt_dlp/compat/compat_utils.py
@@ -1,9 +1,28 @@
+import collections
 import contextlib
 import importlib
 import sys
 import types
 
 
+_NO_ATTRIBUTE = object()
+
+_Package = collections.namedtuple('Package', ('name', 'version'))
+
+
+def get_package_info(module):
+    parent = module.__name__.split('.')[0]
+    parent_module = None
+    with contextlib.suppress(ImportError):
+        parent_module = importlib.import_module(parent)
+
+    for attr in ('__version__', 'version_string', 'version'):
+        version = getattr(parent_module, attr, None)
+        if version is not None:
+            break
+    return _Package(getattr(module, '_yt_dlp__identifier', parent), str(version))
+
+
 def _is_package(module):
     try:
         module.__getattribute__('__path__')
@@ -12,9 +31,6 @@ def _is_package(module):
     return True
 
 
-_NO_ATTRIBUTE = object()
-
-
 def passthrough_module(parent, child, *, callback=lambda _: None):
     parent_module = importlib.import_module(parent)
     child_module = importlib.import_module(child, parent)