mapped_struct.py 文件源码

def _testStruct(self, Struct, values = {}, delattrs = ()):
        schema = mapped_struct.Schema.from_typed_slots(Struct)
        x = Struct()

        for k in delattrs:
            delattr(x, k)
        for k,v in values.iteritems():
            setattr(x, k, v)

        px = schema.pack(x)

        old_schema = schema
        schema = cPickle.loads(cPickle.dumps(schema, 2))

        self.assertTrue(old_schema.compatible(schema))
        self.assertTrue(schema.compatible(old_schema))

        dx = schema.unpack(px)
        for k in Struct.__slots__:
            if k in values or k not in delattrs:
                self.assertEquals(getattr(dx, k, None), getattr(x, k, None))
            else:
                self.assertFalse(hasattr(dx, k))