test_ipaddress.py 文件源码

def test_inet_cast(self):
        import ipaddress as ip
        cur = self.conn.cursor()
        psycopg2.extras.register_ipaddress(cur)

        cur.execute("select null::inet")
        self.assertTrue(cur.fetchone()[0] is None)

        cur.execute("select '127.0.0.1/24'::inet")
        obj = cur.fetchone()[0]
        self.assertTrue(isinstance(obj, ip.IPv4Interface), repr(obj))
        self.assertEqual(obj, ip.ip_interface('127.0.0.1/24'))

        cur.execute("select '::ffff:102:300/128'::inet")
        obj = cur.fetchone()[0]
        self.assertTrue(isinstance(obj, ip.IPv6Interface), repr(obj))
        self.assertEqual(obj, ip.ip_interface('::ffff:102:300/128'))