_collections.py 文件源码

def __repr__(self):
        threadlocalattr = '__repr' + str(_thread_ident())
        if threadlocalattr in self.__dict__:
            return 'deque([...])'
        else:
            self.__dict__[threadlocalattr] = True
            try:
                if self.maxlen is not None:
                    return 'deque(%r, maxlen=%s)' % (list(self), self.maxlen)
                else:
                    return 'deque(%r)' % (list(self),)
            finally:
                del self.__dict__[threadlocalattr]