fabfile.py 文件源码

def create_virtualenv():
    require('srvr', 'path', 'within_virtualenv', provided_by=env.servers)
    with quiet():
        env_vpath = os.path.join(env.envs_path, 'dprr-' + env.srvr)
        if run('ls {}'.format(env_vpath)).succeeded:
            print(
                green('virtual environment at [{}] exists'.format(env_vpath)))
            return

    print(yellow('setting up virtual environment in [{}]'.format(env_vpath)))
    run('virtualenv {}'.format(env_vpath))