nntplib.py 文件源码

def xhdr(self, hdr, str, file=None):
        """Process an XHDR command (optional server extension).  Arguments:
        - hdr: the header type (e.g. 'subject')
        - str: an article nr, a message id, or a range nr1-nr2
        Returns:
        - resp: server response if successful
        - list: list of (nr, value) strings"""

        pat = re.compile('^([0-9]+) ?(.*)\n?')
        resp, lines = self.longcmd('XHDR ' + hdr + ' ' + str, file)
        for i in range(len(lines)):
            line = lines[i]
            m = pat.match(line)
            if m:
                lines[i] = m.group(1, 2)
        return resp, lines