[3.11] gh-84443: SSLSocket.recv_into() now support buffer protocol with itemsize != 1 (GH-20310) (GH-112459)

It is also no longer use __len__().

(cherry picked from commit 812360fddda86d7aff5823f529ab720f57ddc411)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/Lib/ssl.py b/Lib/ssl.py
index 48d229f..c0350a8 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -1299,10 +1299,14 @@ class SSLSocket(socket):
 
     def recv_into(self, buffer, nbytes=None, flags=0):
         self._checkClosed()
-        if buffer and (nbytes is None):
-            nbytes = len(buffer)
-        elif nbytes is None:
-            nbytes = 1024
+        if nbytes is None:
+            if buffer is not None:
+                with memoryview(buffer) as view:
+                    nbytes = view.nbytes
+                if not nbytes:
+                    nbytes = 1024
+            else:
+                nbytes = 1024
         if self._sslobj is not None:
             if flags != 0:
                 raise ValueError(