[rh:urllib] Eagerly release BytesIO responses (#17717)

Authored by: doe1080
2026-10-16 13:38:07 -07:00 · 2026-09-27 19:54:19 +02:00
parent 9dd5e68cd7
commit f9eee6ba62
1 changed files with 3 additions and 1 deletions
@@ -313,7 +313,9 @@ class UrllibResponseAdapter(Response):
                # urllib's addinfourl does not close the underlying fp automatically when fully read
                if isinstance(underlying, io.BytesIO):
                    # data URLs or in-memory responses (e.g. gzip/deflate/brotli decoded)
-                    if underlying.tell() >= len(underlying.getbuffer()):
+                    with underlying.getbuffer() as view:
+                        fully_read = underlying.tell() >= len(view)
+                    if fully_read:
                        self.close()
                elif isinstance(underlying, io.BufferedReader) and amt is None:
                    # file URLs.