formatter.py 文件源码

def _expand_group(self, group, prefix):
        """
        Recursively expands a Group into paginator
        :param group: the Group to expand
        :param prefix: prefix of the line
        """
        if not isinstance(group, Group):
            entry = '**{prefix}{0}** - {1}'.format(group.name, group.short_doc, prefix=prefix)
            shortened = self.shorten(entry)
            self._paginator.add_line(shortened)
        else:
            entry = '**{prefix}{0}** - {1}'.format(group.name, group.short_doc, prefix=prefix)
            shortened = self.shorten(entry)
            self._paginator.add_line(shortened)
            for subcommand in group.commands.copy().values():
                # Build the prefix with group name so we get a nice list
                self._expand_group(subcommand, '    {prefix}{0} '.format(group.name, prefix=prefix))