def _pop(self):
        '''
        Actual pop
        '''
        if not self.canPop():
            raise IndexError('pop from an empty or blocked queue')
        priority = self.prioritySet[-1]
        ret = self.queues[priority]._pop()
        self.outputStat = self.outputStat + 1
        self.totalSize = self.totalSize - 1
        if self.isWaited and self.canAppend():
            self.isWaited = False
            ret[1].append(QueueCanWriteEvent(self))
        if self.isWaitEmpty and not self:
            self.isWaitEmpty = False
            ret[2].append(QueueIsEmptyEvent(self))
        return ret
def _pop ( self ) : if not self . canPop ( ) : raise IndexError ( 'pop from an empty or blocked queue' ) priority = self . prioritySet [ - 1 ] ret = self . queues [ priority ] . _pop ( ) self . outputStat = self . outputStat + 1 self . totalSize = self . totalSize - 1 if self . isWaited and self . canAppend ( ) : self . isWaited = False ret [ 1 ] . append ( QueueCanWriteEvent ( self ) ) if self . isWaitEmpty and not self : self . isWaitEmpty = False ret [ 2 ] . append ( QueueIsEmptyEvent ( self ) ) return ret
Actual pop