__init__.py 文件源码

def get_unbound_function(unbound):
        # Op.make_thunk isn't bound, so don't have a __func__ attr.
        # But bound method, have a __func__ method that point to the
        # not bound method. That is what we want.
        if hasattr(unbound, '__func__'):
            return unbound.__func__
        return unbound