parser.py

def tada_parser(last_command=None):
    logging.info("tada_parser() called")
    if last_command is None:
        last_command = "help"
    print(f"Return: {last_command}")

    command_line = input("Command: ")
    if not command_line:
        logging.info("Empty command line, setting to '{last_command}")
        command_line = last_command
    logging.info(f"You typed: {command_line}")
    last_command = command_line
    params = command_line.split(' ')
    logging.info("last_command = %s" % last_command)
    logging.info("base_command = %s" % params[0])
    logging.info("params: %s\n" % len(params[1:]))
    # figure out how many params (1-nums) are in the list "command_line"
    if params > 0:
        for num in 1 to len(params):
            param_string = params[num]
            logging.info("%2d. %s", num, param_string)

#    n = 0
#    for num in command_line.count():
#       print(f"{num}. {command_line[num]}")
    # is the command typed in the command dict?
    if command_line[0] in commands:
        return last_command
    else:
        logging.info("command '%s' not in dict", command_line[0])
        return None


def game_help(topic=None):
    """
    This displays help for the game.
    topics will be supported (like "Bad Hombre Rating", or "BHR" for short).
    """
    print("help")
    print("quit")


def dispatch(routine):
    if callable(routine[0]):
        print(routine[0](__doc__))
    else:
        print(f"{routine[0]} is not a valid command.\n")
        last_command = None


if __name__ == '__main__':
    """https://stackoverflow.com/questions/9759534/how-to-break-from-the-while-loop-for-python-string-type"""
    import logging
    logging.basicConfig(level="INFO")
    """Commands are in a dict. key=command to type, value=function to call"""
    commands = {("h", "help"): "game_help", ("l", "look"): "look"}
    command_line = None
    while True:
        command_line = tada_parser()
        print(f"command_line[0]={command_line[0]}")
        if command_line[0] == "quit":
            break
        print(f"command line: {command_line}")
        # print(repr(command_line))

        print("back into the loop\n")
    print("'quit' received")
#       dispatch(command_line[0])  # pick first word out of command line list