Source code for contrail_api_cli.commands.man
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from ..command import Command, Arg
from ..manager import CommandManager
from ..utils import printo
from ..exceptions import CommandError
try:
from rst2ansi import rst2ansi
except ImportError:
def rst2ansi(s):
return s.decode('utf-8')
[docs]class Man(Command):
"""Show command documentation.
To improve the output you can install the rst2ansi package.
"""
description = "Show command help"
cmd_name = Arg(help="Command name", complete="commands")
def __call__(self, cmd_name=None):
cmd = CommandManager().get(cmd_name)
if cmd.__doc__ is not None:
printo(rst2ansi(cmd.__doc__.encode('utf-8')) + "\n")
else:
raise CommandError("No doc available for this command")