setup.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import sys
from setuptools import setup

this_dir = os.path.abspath(os.path.dirname(__file__))

VERSIONFILE = os.path.join(this_dir, "textx", "__init__.py")
VERSION = None
for line in open(VERSIONFILE, "r").readlines():
    if line.startswith('__version__'):
        VERSION = line.split('"')[1]

if not VERSION:
    raise RuntimeError('No version defined in textx.__init__.py')

if sys.argv[-1].startswith('publish'):
    if os.system("pip list | grep twine"):
        print("twine not installed.\nUse `pip install twine`.\nExiting.")
        sys.exit()
    os.system("python setup.py sdist bdist_wheel")
    if sys.argv[-1] == 'publishtest':
        os.system("twine upload -r test dist/*")
    else:
        os.system("twine upload dist/*")
        print("You probably want to also tag the version now:")
        print("  git tag -a {0} -m 'version {0}'".format(VERSION))
        print("  git push --tags")
    sys.exit()

setup(version=VERSION)