changeset:   103349:9b1f8c68de4c
branch:      3.5
parent:      103334:e1987bf14148
user:        Davin Potts <python@discontinuity.net>
date:        Thu Sep 08 14:40:36 2016 -0500
files:       Lib/multiprocessing/managers.py Misc/NEWS
description:
Issue #21201: Improves readability of multiprocessing error message from server to client for certain exceptions


diff -r e1987bf14148 -r 9b1f8c68de4c Lib/multiprocessing/managers.py
--- a/Lib/multiprocessing/managers.py	Thu Sep 08 18:33:00 2016 +0000
+++ b/Lib/multiprocessing/managers.py	Thu Sep 08 14:40:36 2016 -0500
@@ -275,7 +275,7 @@
                 try:
                     send(msg)
                 except Exception as e:
-                    send(('#UNSERIALIZABLE', repr(msg)))
+                    send(('#UNSERIALIZABLE', format_exc()))
             except Exception as e:
                 util.info('exception in thread serving %r',
                         threading.current_thread().name)
diff -r e1987bf14148 -r 9b1f8c68de4c Misc/NEWS
--- a/Misc/NEWS	Thu Sep 08 18:33:00 2016 +0000
+++ b/Misc/NEWS	Thu Sep 08 14:40:36 2016 -0500
@@ -221,6 +221,9 @@
 - Issue #27930: Improved behaviour of logging.handlers.QueueListener.
   Thanks to Paulo Andrade and Petr Viktorin for the analysis and patch.
 
+- Issue #21201: Improves readability of multiprocessing error message.  Thanks
+  to Wojciech Walczak for patch.
+
 IDLE
 ----