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authorGuido van Rossum <guido@python.org>2001-12-19 16:56:54 (GMT)
committerGuido van Rossum <guido@python.org>2001-12-19 16:56:54 (GMT)
commit950dce6f01039bae5efdb8eedbe9ad48d81d0488 (patch)
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parentf048a8f6d79173cc1da1bf12c60ae06fea36762c (diff)
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save(): Fix for SF bug #494904: Cannot pickle a class with a
metaclass, reported by Dan Parisien. Objects that are instances of custom metaclasses, i.e. whose ob_type is a subclass of PyType_Type, should be pickled the same as new-style classes (objects whose ob_type is PyType_Type). This can't be done through the existing dispatch switches, and the __reduce__ trick doesn't work for these, since it finds the unbound __reduce__ for instances of the class (inherited from PyBaseObject_Type). So check explicitly using PyType_IsSubtype().
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