Function run

x.py:60–73

(*args: str, msg: Optional[str] = None, verbose: bool = False, **kwargs: Any)

# NOTE: the return type should be Popen[str], but Popen is not subscriptable before python 3.9
def run(*args: str, msg: Optional[str] = None, verbose: bool = False, **kwargs: Any) -> Popen:
    sys.stdout.flush()
    if verbose:
        print(f"$ {' '.join(args)}")

    p = Popen(args, **kwargs)
    code = p.wait()
    if code != 0:
        err = f"\nfailed to run: {args}\nexit with code: {code}\n"
        if msg:
            err += f"error message: {msg}\n"
        raise RuntimeError(err)

    return p


def run_pipe(*args: str, msg: Optional[str] = None, verbose: bool = False, **kwargs: Any) -> IO[str]: