maildir.py 文件源码

def listMessages(self, i=None):
        """Return a list of lengths of all files in new/ and cur/
        """
        if i is None:
            ret = []
            for mess in self.list:
                if mess:
                    ret.append(os.stat(mess)[stat.ST_SIZE])
                else:
                    ret.append(0)
            return ret
        return self.list[i] and os.stat(self.list[i])[stat.ST_SIZE] or 0