'Get the user, password combo from a file.'

def _combo(self):

    if (not self.combo_file):
        return
    for line in file(self.combo_file):
        try:
            (user, passwd) = line.strip().split(self.combo_separator)
        except ValueError:
            om.out.debug(('Invalid    combo    entry:    "%s"' % line))
        else:
            (yield (user, passwd))
