setup.py 文件源码

def run(self):
        venv_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'venv', 'cthulhu')
        venv_cmd = [
            'virtualenv',
            venv_path
        ]
        print('Creating virtual environment in ', venv_path)
        subprocess.check_call(venv_cmd)
        print('Linking `activate` to top level of project.\n')
        print('To activate, simply run `source activate`.')
        try:
            os.symlink(
                os.path.join(venv_path, 'bin', 'activate'),
                os.path.join(os.path.dirname(os.path.abspath(__file__)), 'activate')
            )
        except OSError:
            print('Unable to create symlink, you may have a stale symlink from a previous invocation.')