models.py 文件源码

def PutChangeLog(self, changed_by):
    ''' Create a change log for the current state of the hand.

    Uses current timestamp in seconds as key.

    Args:
        changed_by: Integer. Pair number for the user requesting the change.
    '''
    change_dict = {
      "calls" : self.calls_dict(),
      "notes" : self.notes,
      "ns_score" : self.get_ns_score(),
      "ew_score" : self.get_ew_score(),
    }
    epoch = datetime.datetime.utcfromtimestamp(0)
    nowtime = datetime.datetime.now()
    change_log = ChangeLog(changed_by=changed_by, change=json.dumps(change_dict))
    change_log.key = ndb.Key("ChangeLog", str((nowtime - epoch).total_seconds()),
                             parent=self.key)
    change_log.put()