From: Lukas Geiger <lukas.geiger94@gmail.com>
Date: Tue, 19 May 2026 00:48:41 +0000 (+0100)
Subject: gh-141968: Use `take_bytes` to remove copy in `_pyio.BytesIO.read()` (#149850)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43c3438a2a31cef152e5fa1172983b4d3e4d8a58;p=thirdparty%2FPython%2Fcpython.git

gh-141968: Use `take_bytes` to remove copy in `_pyio.BytesIO.read()` (#149850)
---

diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 1b5b75ef566a..9c7faa26bb4b 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -941,7 +941,7 @@ class BytesIO(BufferedIOBase):
             newpos = min(len(self._buffer), self._pos + size)
             b = self._buffer[self._pos : newpos]
             self._pos = newpos
-            return bytes(b)
+            return b.take_bytes()
 
     def read1(self, size=-1):
         """This is the same as read.