Some ideas for a better pew cli.

pew.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
"""PEW - Python Env Wrapper

Usage: pew [--help] [--version] [--verbose]
           [--dry-run] <command> [<args>...]

Generic options:
  -h, --help           Show this screen.
  -V, --version        Show version.
  -v, --verbose        Be verbose
  -n, --dry-run        Dry run.

The most commonly used pew commands are:
  create    Create a new virtualenv.
  remove    Delete a existing virtualenv.
  workon    Enable a virtualenv inside my current shell.
  edit      Change some of the settings of s virtualenv.
  list      List the available virtualenvs.
  run       Run a command on some or all virtualenvs.

See 'pew help <command>' for more information on a specific command.
"""

from __future__ import print_function
from subprocess import call
from docopt import docopt

def main():
    pass

if __name__ == '__main__':
    args = docopt(__doc__, version='0.1.0', options_first=True)
    argv = [args['<command>']] + args['<args>']

    if args['<command>'] == 'create':
        import pew_create
        args = docopt(pew_create.__doc__, argv=argv)
        print(args)
    elif args['<command>'] in ['help', None]:
        exit(call(['python', 'pew', '--help']))
    else:
        exit("%r is not a pew command. See 'pew help'." % args['<command>'])

pew_create.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
"""PEW - Python Env Wrapper

Usage: pew create [options] <virtualenv>
       pew create [options] --temp <virtualenv>
       pew create [options] --copy <existing_env> <new_virtualenv>

Generic options:
    -h, --help                  Show this screen.
    -n, --dry-run               Dry run.
    -v, --verbose               Be verbose.

Spezific options:
    -p, --python=<runtime>      Python runtime to use [default=python2].
    -i, --install=<packages>    Install packages.
    -r, --requirements=<file>   Requirements file to use.
    -a, --assoziate=<project>   Assoziate with project folder.
    -t, --temp                  Create a temp virtualenv.
    -c, --copy                  Copy an exisring virtualenv.
"""

from __future__ import print_function
from subprocess import call
from docopt import docopt

def main():
    pass

if __name__ == '__main__':
    args = docopt(__doc__, version='0.1.0', options_first=True)
    argv = [args['<command>']] + args['<args>']