changeset:   99966:35ff0976b211
parent:      99964:96a7603d25ea
parent:      99965:270add17f203
user:        Serhiy Storchaka <storchaka@gmail.com>
date:        Mon Jan 18 21:36:03 2016 +0200
files:       Misc/NEWS
description:
Issue #26013: Added compatibility with broken protocol 2 pickles created
in old Python 3 versions (3.4.3 and lower).


diff -r 96a7603d25ea -r 35ff0976b211 Lib/_compat_pickle.py
--- a/Lib/_compat_pickle.py	Mon Jan 18 19:40:23 2016 +0200
+++ b/Lib/_compat_pickle.py	Mon Jan 18 21:36:03 2016 +0200
@@ -177,6 +177,13 @@
     'DocXMLRPCServer': 'xmlrpc.server',
     'SimpleHTTPServer': 'http.server',
     'CGIHTTPServer': 'http.server',
+    # For compatibility with broken pickles saved in old Python 3 versions
+    'UserDict': 'collections',
+    'UserList': 'collections',
+    'UserString': 'collections',
+    'whichdb': 'dbm',
+    'StringIO':  'io',
+    'cStringIO': 'io',
 })
 
 REVERSE_IMPORT_MAPPING.update({
diff -r 96a7603d25ea -r 35ff0976b211 Misc/NEWS
--- a/Misc/NEWS	Mon Jan 18 19:40:23 2016 +0200
+++ b/Misc/NEWS	Mon Jan 18 21:36:03 2016 +0200
@@ -131,6 +131,9 @@
 Library
 -------
 
+- Issue #26013: Added compatibility with broken protocol 2 pickles created
+  in old Python 3 versions (3.4.3 and lower).
+
 - Issue #26129: Deprecated accepting non-integers in grp.getgrgid().
 
 - Issue #25850: Use cross-compilation by default for 64-bit Windows.