aliases.py 文件源码

def xexec(args, stdin=None):
    """Replaces current process with command specified and passes in the
    current xonsh environment.
    """
    env = builtins.__xonsh_env__
    denv = env.detype()
    if len(args) > 0:
        try:
            os.execvpe(args[0], args, denv)
        except FileNotFoundError as e:
            return 'xonsh: ' + e.args[1] + ': ' + args[0] + '\n'
    else:
        return 'xonsh: exec: no args specified\n'