def cronFormatValidator(obj): data = obj if data is None: return True if data == '': return True try: croniter(data) except ValueError: raise CronFormatError('%s is invalid' % data) return True
def next(self): log = logging.getLogger('Backend.next') now = datetime.datetime.now() + datetime.timedelta(minutes=1) now = datetime.datetime.now() try: unextr = to_utc(croniter(self.periodicity, start_time=now).get_next()) except Exception, e: # pragma: no cover unextr = None