test_tzinfo.py 文件源码

def testOldPickles(self):
        # Ensure that applications serializing pytz instances as pickles
        # have no troubles upgrading to a new pytz release. These pickles
        # where created with pytz2006j
        east1 = pickle.loads(_byte_string(
            "cpytz\n_p\np1\n(S'US/Eastern'\np2\nI-18000\n"
            "I0\nS'EST'\np3\ntRp4\n."
            ))
        east2 = pytz.timezone('US/Eastern')
        self.assertTrue(east1 is east2)

        # Confirm changes in name munging between 2006j and 2007c cause
        # no problems.
        pap1 = pickle.loads(_byte_string(
            "cpytz\n_p\np1\n(S'America/Port_minus_au_minus_Prince'"
            "\np2\nI-17340\nI0\nS'PPMT'\np3\ntRp4\n."))
        pap2 = pytz.timezone('America/Port-au-Prince')
        self.assertTrue(pap1 is pap2)

        gmt1 = pickle.loads(_byte_string(
            "cpytz\n_p\np1\n(S'Etc/GMT_plus_10'\np2\ntRp3\n."))
        gmt2 = pytz.timezone('Etc/GMT+10')
        self.assertTrue(gmt1 is gmt2)