[Python-checkins] cpython (merge 3.5 -> default): Issue #21201: Improves readability of multiprocessing error message from server

[davin.potts]

https://hg.python.org/cpython/rev/199aca18d9a1
changeset:   103350:199aca18d9a1
parent:      103348:38802c38cfe1
parent:      103349:9b1f8c68de4c
user:        Davin Potts <python at discontinuity.net>
date:        Thu Sep 08 14:47:23 2016 -0500
summary:
  Issue #21201: Improves readability of multiprocessing error message from server to client for certain exceptions

files:
  Lib/multiprocessing/managers.py |  2 +-
  Misc/NEWS                       |  3 +++
  2 files changed, 4 insertions(+), 1 deletions(-)


diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -283,7 +283,7 @@
                 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 --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -248,6 +248,9 @@
 - Issue #6766: Distributed reference counting added to multiprocessing
   to support nesting of shared values / proxy objects.
 
+- Issue #21201: Improves readability of multiprocessing error message.  Thanks
+  to Wojciech Walczak for patch.
+
 C API
 -----
 

-- 
Repository URL: https://hg.python.org/cpython