install_venv.py 文件源码

def main(argv):
    root = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
    if os.environ.get('tools_path'):
        root = os.environ['tools_path']
    venv = os.path.join(root, '.venv')
    if os.environ.get('venv'):
        venv = os.environ['venv']
    pip_requires = os.path.join(root, 'requirements.txt')
    test_requires = os.path.join(root, 'test-requirements.txt')
    py_version = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
    setup_cfg = configparser.ConfigParser()
    setup_cfg.read('setup.cfg')
    project = setup_cfg.get('metadata', 'name')

    install = install_venv.InstallVenv(
        root, venv, pip_requires, test_requires, py_version, project)
    options = install.parse_args(argv)
    install.check_python_version()
    install.check_dependencies()
    install.create_virtualenv(no_site_packages=options.no_site_packages)
    install.install_dependencies()
    install.post_process()
    print_help(project, venv, root)