pytz_support.py 文件源码

def __getitem__(self, key):
        name = self._zmap.get(key.lower(), key)  # fallback to key
        try:
            return Timezone(pytz.timezone(name))
        except pytz.UnknownTimeZoneError:
            try:
                return Timezone(_numeric_timezones[name])
            except KeyError:
                raise DateTimeError('Unrecognized timezone: %s' % key)