[issue9276] pickle should support methods
Ram Rachum
report at bugs.python.org
Wed Mar 2 11:35:17 CET 2011
Ram Rachum <cool-rr at cool-rr.com> added the comment:
Amaury:
Your example succeeds on Linux but fails on Windows:
$ python3.2 main.py
CALLED
Traceback (most recent call last):
File "C:\Python32\Lib\pickle.py", line 679, in save_global
klass = getattr(mod, name)
AttributeError: 'module' object has no attribute 'foo'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "main.py", line 7, in <module>
p.start(); p.join()
File "C:\Python32\Lib\multiprocessing\process.py", line 130, in start
self._popen = Popen(self)
File "C:\Python32\Lib\multiprocessing\forking.py", line 267, in __init__
dump(process_obj, to_child, HIGHEST_PROTOCOL)
File "C:\Python32\Lib\multiprocessing\forking.py", line 190, in dump
ForkingPickler(file, protocol).dump(obj)
File "C:\Python32\Lib\pickle.py", line 237, in dump
self.save(obj)
File "C:\Python32\Lib\pickle.py", line 344, in save
self.save_reduce(obj=obj, *rv)
File "C:\Python32\Lib\pickle.py", line 432, in save_reduce
save(state)
File "C:\Python32\Lib\pickle.py", line 299, in save
f(self, obj) # Call unbound method with explicit self
File "C:\Python32\Lib\pickle.py", line 623, in save_dict
self._batch_setitems(obj.items())
File "C:\Python32\Lib\pickle.py", line 656, in _batch_setitems
save(v)
File "C:\Python32\Lib\pickle.py", line 299, in save
f(self, obj) # Call unbound method with explicit self
File "C:\Python32\Lib\pickle.py", line 683, in save_global
(obj, module, name))
_pickle.PicklingError: Can't pickle <function foo at 0x00C4EBB8>: it's not found as mod.foo
User at TURING ~/Desktop/temp
$ Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Python32\Lib\multiprocessing\forking.py", line 370, in main
self = load(from_parent)
EOFError
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<http://bugs.python.org/issue9276>
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