Avoid calling len on the same data in the stream reader twice (aio-li…

…bs#10088)
mario-sangar · Dec 2, 2024 · 29c3ca9 · 29c3ca9
1 parent ca193c7
commit 29c3ca9
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/aiohttp/streams.py b/aiohttp/streams.py
@@ -502,8 +502,9 @@ def _read_nowait_chunk(self, n: int) -> bytes:
         else:
             data = self._buffer.popleft()
 
-        self._size -= len(data)
-        self._cursor += len(data)
+        data_len = len(data)
+        self._size -= data_len
+        self._cursor += data_len
 
         chunk_splits = self._http_chunk_splits
         # Prevent memory leak: drop useless chunk splits