nntp.py 文件源码

def fetchNewNews(self, groups, date, distributions = ''):
        """
        Get the Message-IDs for all new news posted to any of the given
        groups since the specified date - in seconds since the epoch, GMT -
        optionally restricted to the given distributions.  gotNewNews() is
        called on success, getNewNewsFailed() on failure.

        One invocation of this function may result in multiple invocations
        of gotNewNews()/getNewNewsFailed().
        """
        date, timeStr = time.strftime('%y%m%d %H%M%S', time.gmtime(date)).split()
        line = 'NEWNEWS %%s %s %s %s' % (date, timeStr, distributions)
        groupPart = ''
        while len(groups) and len(line) + len(groupPart) + len(groups[-1]) + 1 < NNTPClient.MAX_COMMAND_LENGTH:
            group = groups.pop()
            groupPart = groupPart + ',' + group

        self.sendLine(line % (groupPart,))
        self._newState(self._stateNewNews, self.getNewNewsFailed)

        if len(groups):
            self.fetchNewNews(groups, date, distributions)