[PR #9174/98b363e4 backport][3.10] Add a cache to must_be_empty_body (#…

…9190) Co-authored-by: J. Nick Koston <nick@koston.org>
aio-libs · Sep 18, 2024 · 2770e61 · 2770e61
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diff --git a/CHANGES/9174.misc.rst b/CHANGES/9174.misc.rst
@@ -0,0 +1 @@
+Improved performance of web requests -- by :user:`bdraco`.
diff --git a/aiohttp/helpers.py b/aiohttp/helpers.py
@@ -973,6 +973,7 @@ def parse_http_date(date_str: Optional[str]) -> Optional[datetime.datetime]:
     return None
 
 
+@functools.lru_cache
 def must_be_empty_body(method: str, code: int) -> bool:
     """Check if a request must return an empty body."""
     return (