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Command line made as easy as a web app

Project description

Writing CLI is NOT funny. Especially with all the argument parsing and shit. This is why this module exists.


$ pip install clifactory
#!/usr/bin/env python
# -*- coding: utf-8 -*-

from clifactory import CommandLineInterface, Argument

cli = CommandLineInterface()
users = ["John Doe", "Dick Head"]

@cli.endpoint(Argument('user', help='username to add'))
def do_user_add(args):
    print users

def do_user_list(args):
    print users


As shown in the file.

You can run it like:

$ ./ user add
usage: user add [-h] user user add: error: too few arguments
$ ./ user add "foo bar"
['John Doe', 'Dick Head', 'foo bar']

Simple as that :)


Some more documentation is comming, stay tuned.

Using the module

You have to import the components you need, which for now are:

  • CommandLineInterface
  • Argument
  • ExclusiveGroup

Then instanciate a CommandLineInterface:

cli = CommandLineInterface()

Then decorate your endpoint as follows:

    Argument('argument', help="some help"), # positional arg
    Argument('--user', '-u') # optional argument
def do_something(args):
    print args # args is a argparse.Namespace object

You can add as many arguments as you wish, the parameters have to follow the argparse.add_argument syntax. Note that your function’s name must be prefixed with do_ in order for the parsing to work. It will just break the name of the function into a “tree” where each _-delimited word will be a leaf. So you can add more methods to your ‘user’ endpoint.

Finally to parse something, just call:


This will parse arguments from sys.argv. Alternatively, you may parse an arbitrary string:

cli.parse("some string")

I told you it does not have to be hard!


Copyright (C) 2015  Thomas Maurice <>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <>.

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