[compat] Add functools.cached_property

2025-10-30 22:25:19 +00:00 · 2022-05-20 20:55:21 +05:30
parent 666c36d58d
commit 2762dbb17e
5 changed files with 21 additions and 7 deletions
--- a/yt_dlp/compat/functools.py
+++ b/yt_dlp/compat/functools.py
@@ -10,3 +10,15 @@ try:
    cache  # >= 3.9
 except NameError:
    cache = lru_cache(maxsize=None)
+
+try:
+    cached_property  # >= 3.8
+except NameError:
+    class cached_property:
+        def __init__(self, func):
+            update_wrapper(self, func)
+            self.func = func
+
+        def __get__(self, instance, _):
+            setattr(instance, self.func.__name__, self.func(instance))
+            return getattr(instance, self.func.__name__)