utils.py 文件源码

def run(*args, **kw):
    if len(args) == 1 and isinstance(args[0], type('')):
        cmd = split(args[0])
    else:
        cmd = args
    print(' '.join(pipes.quote(x) for x in cmd))
    sys.stdout.flush()
    env = current_env(library_path=kw.get('library_path'))
    try:
        p = subprocess.Popen(cmd, env=env, cwd=kw.get('cwd'))
    except EnvironmentError as err:
        if err.errno == errno.ENOENT:
            raise SystemExit('Could not find the program: %s' % cmd[0])
        raise
    rc = p.wait()
    if kw.get('no_check'):
        return rc
    if rc != 0:
        print('The following command failed, with return code:', rc)
        print(' '.join(pipes.quote(x) for x in cmd))
        print('Dropping you into a shell')
        sys.stdout.flush()
        run_shell(library_path=kw.get('library_path'))
        raise SystemExit(1)