shell.py 文件源码

def _DEPREC_bash_run(cmd, suppress_err=0):
    if not U.f_exists('~/.bashrc'):
        print('WARNING: ~/.bashrc not found. '
              'bash_output() will not be able to read the aliases.', file=sys.stderr)
    # hack: if you don't echo something first, your alias such as `ll` will
    # kill the script after it's run.
    # https://stackoverflow.com/questions/45558993/subprocess-interactive-bash-behavior
    cmd = 'printf ""; ' + cmd
    err = pc.DEVNULL if suppress_err else pc.STDOUT
    proc = pc.check_output(['/bin/bash', '-i', '-c', cmd],
                           stderr=err,
                           ).decode()
    # try:
    #     err = pc.DEVNULL if suppress_err else None
    #     return pc.check_output(['/bin/bash', '-i', '-c', cmd],
    #                            stderr=err,
    #                            ).decode()
    # except pc.CalledProcessError as exc:
    #     if suppress_err:
    #         print('Failed bash call:\n', exc.output.decode(), file=sys.stderr)
    #     raise