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Mar 7, 2007, 10:16 AM
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[ python-Bugs-1675967 ] Python2.5 can't read a (complex) pickle build by python2.4
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Bugs item #1675967, was opened at 2007-03-07 18:16
Message generated for change (Tracker Item Submitted) made by Item Submitter
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https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1675967&group_id=5470
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Michael Vogt (mvo)
Assigned to: Nobody/Anonymous (nobody)
Summary: Python2.5 can't read a (complex) pickle build by python2.4
Initial Comment:
Part of gnome-app-install in ubuntu is a pickle data structure cache. If I create this pickle with python 2.4 and read it later with 2.5. I get the following error:
$ python2.5 -c 'import pickle; pickle.load(open("/var/cache/app-install/menu.p"))'
/usr/lib/python2.5/pickle.py:1124: DeprecationWarning: The sre module is deprecated, please import re.
__import__(module)
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python2.5/pickle.py", line 1370, in load
return Unpickler(file).load()
File "/usr/lib/python2.5/pickle.py", line 858, in load
dispatch[key](self)
File "/usr/lib/python2.5/pickle.py", line 1090, in load_global
klass = self.find_class(module, name)
File "/usr/lib/python2.5/pickle.py", line 1126, in find_class
klass = getattr(mod, name)
AttributeError: 'module' object has no attribute '_compile'
With:
$ python2.4 -c 'import pickle; pickle.load(open("/var/cache/app-install/menu.p"))'
egon[at]top ~ $
It loads just fine.
The test pickle can be found here:
http://people.ubuntu.com/~mvo/gnome-app-install/menu.p.gz
Cheers,
Michael
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[ python-Bugs-1675967 ] Python2.5 can't read a (complex) pickle build by python2.4
