def old_streamer(main_method):
    """Open a stream for the first file in arguments, or stdin"""
    if not arguments:
        return [sys.stdin]
    elif arguments[0] == '-c':
        return [StringIO(get_clipboard_data())]
    for argument in arguments:
        if os.path.isfile(argument):
            return file(argument, 'r')
    return method
def old_streamer ( main_method ) : if not arguments : return [ sys . stdin ] elif arguments [ 0 ] == '-c' : return [ StringIO ( get_clipboard_data ( ) ) ] for argument in arguments : if os . path . isfile ( argument ) : return file ( argument , 'r' ) return method
Open a stream for the first file in arguments, or stdin