pip-install.py

#!/usr/bin/env python

import os
import sys
import subprocess

from piptools import CACHE_DIR


def main(requirements_in):
    wheels_cache = os.path.join(CACHE_DIR, 'wheels')
    packages_cache = os.path.join(CACHE_DIR, 'pkgs')
    requirements_txt = requirements_in.rsplit('.', 1)[0] + '.txt'

    subprocess.check_call([
        'pip-compile',
        '--verbose',
        '--find-links', '/wheels',
        '--no-header',
        '--no-annotate',
        requirements_in,
    ])
    subprocess.check_call([
        'pip', 'install',
        '--find-links', '/wheels',  # TODO: Temporary hack
        '--find-links', wheels_cache,
        '--find-links', packages_cache,
        '--requirements', requirements_txt,
    ])

if __name__ == '__main__':
    main(sys.argv[1])