Semantic Versioning CLI powered by the "semver" semantic versioning package and the "docopt" command line interface package.

semvercli.py

"""Semantic Versioning CLI (0.1.0)

Usage:
    semvercli.py compare <a> <b>
    semvercli.py bump_major <a>
    semvercli.py bump_minor <a>
    semvercli.py bump_patch <a>
    semvercli.py (-h | --help)
    semvercli.py --version

Options:
    -h --help     Show this screen.
    --version     Show version.
"""
from docopt import docopt
import semver


def compare(**kwargs):
    return semver.compare(kwargs.get('<a>'), kwargs.get('<b>'))


def bump_major(**kwargs):
    return semver.bump_major(kwargs.get('<a>'))


def bump_minor(**kwargs):
    return semver.bump_minor(kwargs.get('<a>'))


def bump_patch(**kwargs):
    return semver.bump_patch(kwargs.get('<a>'))


def _get_version():
    return __doc__.split('\n', 1)[0]


if __name__ == '__main__':
    arguments = docopt(__doc__, version=_get_version())
    for argument, value in arguments.items():
        if(
            value is True and
            argument in locals() and
            callable(locals()[argument])
        ):
            print locals()[argument](**arguments)
            break