cmd2.py 文件源码

def replace_with_file_contents(fname):
    """Action to perform when successfully matching parse element definition for inputFrom parser.

    :param fname: str - filename
    :return: str - contents of file "fname"
    """
    try:
        with open(os.path.expanduser(fname[0])) as source_file:
            result = source_file.read()
    except IOError:
        result = '< %s' % fname[0]  # wasn't a file after all

    # TODO: IF pyparsing input parser logic gets fixed to support empty file, add support to get from paste buffer
    return result