config.py 文件源码

def __getitem__(self, key):
        currTime = datetime.now()
        if currTime>self.ctime+self.updateInterval:
            data = memcache.get( self.keyName )
            if data: #Loaded successfully from Memcache
                self.data.update( data )
                self.ctime = currTime
            else:
                data = SharedConf.SharedConfData.get_by_key_name( self.keyName )
                if data:
                    for k in data.dynamic_properties():
                        self.data[ k ] = getattr( data, k )
                else: #There isnt any config in the db nor the memcache
                    data = SharedConf.SharedConfData( key_name=self.keyName )
                    for k,v in self.data.items(): #Initialize the DB-Config
                        setattr( data, k, v )
                    data.put()
                memcache.set( self.keyName, self.data, 60*60*24 )
        return( self.data[ key ] )