import click import subprocess """ API for interacting with the system shell """ def sh(args, **kwargs): """ runs the given cmd as shell command """ if isinstance(args, str): args = args.split() if not args: return click.echo('$ {0}'.format(' '.join(args))) try: return subprocess.check_call(args, **kwargs) except subprocess.CalledProcessError as exc: click.secho('run error {}'.format(exc)) except OSError as exc: click.secho('not found error {}'.format(exc))