imaplib.py 文件源码

def _get_line(self):

        line = self.readline()
        if not line:
            raise self.abort('socket error: EOF')

        # Protocol mandates all lines terminated by CRLF
        if not line.endswith('\r\n'):
            raise self.abort('socket error: unterminated line')

        line = line[:-2]
        if __debug__:
            if self.debug >= 4:
                self._mesg('< %s' % line)
            else:
                self._log('< %s' % line)
        return line