recipe-572213.py 文件源码

def save_type(self, obj):
    if getattr(new, obj.__name__, None) is obj:
        # Types in 'new' module claim their module is '__builtin__' but are not actually there
        save_global_byname(self, obj, 'new', obj.__name__)
    elif obj.__module__ == '__main__':
        # Types in __main__ are saved by value

        # Make sure we have a reference to type.__new__        
        if id(type.__new__) not in self.memo:
            self.save_reduce(getattr, (type, '__new__'), obj=type.__new__)
            self.write(pickle.POP)

        # Copy dictproxy to real dict
        d = dict(obj.__dict__)
        # Clean up unpickleable descriptors added by Python
        d.pop('__dict__', None)
        d.pop('__weakref__', None)

        args = (type(obj), obj.__name__, obj.__bases__, d)
        self.save_reduce(type.__new__, args, obj=obj)
    else:
        # Fallback to default behavior: save by reference
        pickle.Pickler.save_global(self, obj)