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Issue #26013: Added compatibility with broken protocol 2 pickles created 

in old Python 3 versions (3.4.3 and lower).
This commit is contained in:
Serhiy Storchaka 2016-01-18 21:36:03 +02:00
parent 75ed708285 111c7b9011
commit 905a97d4c2
2 changed files with 10 additions and 0 deletions
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7
Lib/_compat_pickle.py
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@ -177,6 +177,13 @@ IMPORT_MAPPING.update({
'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({

3
Misc/NEWS
View File

@ -131,6 +131,9 @@ Core and Builtins
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.