test_types_extras.py 文件源码

def test_register_globally(self):
        old = psycopg2.extensions.string_types.get(3802)
        olda = psycopg2.extensions.string_types.get(3807)
        try:
            new, newa = psycopg2.extras.register_json(self.conn,
                loads=self.myloads, globally=True, name='jsonb')
            curs = self.conn.cursor()
            curs.execute("""select '{"a": 100.0, "b": null}'::jsonb""")
            self.assertEqual(curs.fetchone()[0], {'a': 100.0, 'b': None, 'test': 1})
        finally:
            psycopg2.extensions.string_types.pop(new.values[0])
            psycopg2.extensions.string_types.pop(newa.values[0])
            if old:
                psycopg2.extensions.register_type(old)
            if olda:
                psycopg2.extensions.register_type(olda)