test_types_extras.py 文件源码

def testINET(self):
        with warnings.catch_warnings():
            warnings.simplefilter('ignore', DeprecationWarning)
            psycopg2.extras.register_inet()

        i = psycopg2.extras.Inet("192.168.1.0/24")
        s = self.execute("SELECT %s AS foo", (i,))
        self.failUnless(i.addr == s.addr)
        # must survive NULL cast to inet
        s = self.execute("SELECT NULL::inet AS foo")
        self.failUnless(s is None)