test_types_extras.py 文件源码

def test_register_on_dict(self):
        from psycopg2.extras import Json
        psycopg2.extensions.register_adapter(dict, Json)

        try:
            curs = self.conn.cursor()
            obj = {'a': 123}
            self.assertEqual(curs.mogrify("%s", (obj,)), b"""'{"a": 123}'""")
        finally:
            del psycopg2.extensions.adapters[dict, ext.ISQLQuote]