-def command_halt(actor, parameters):
- """Halt the world."""
- if actor.owner:
-
- # see if there's a message or use a generic one
- if parameters:
- message = "Halting: " + parameters
- else:
- message = "User " + actor.owner.account.get(
- "name"
- ) + " halted the world."
-
- # let everyone know
- broadcast(message, add_prompt=False)
- log(message, 8)
-
- # set a flag to terminate the world
- universe.terminate_flag = True
-
-
-def command_reload(actor):
- """Reload all code modules, configs and data."""
- if actor.owner:
-
- # let the user know and log
- actor.send("Reloading all code modules, configs and data.")
- log(
- "User " +
- actor.owner.account.get("name") + " reloaded the world.",
- 6
- )
-
- # set a flag to reload
- universe.reload_flag = True
-
-
-def command_quit(actor):
- """Leave the world and go back to the main menu."""
- if actor.owner:
- actor.owner.state = "main_utility"
- actor.owner.deactivate_avatar()
-
-
-def command_help(actor, parameters):
- """List available commands and provide help for commands."""
-
- # did the user ask for help on a specific command word?
- if parameters and actor.owner:
-
- # is the command word one for which we have data?
- if parameters in universe.groups["command"]:
- command = universe.groups["command"][parameters]
- else:
- command = None
-
- # only for allowed commands
- if actor.can_run(command):
-
- # add a description if provided
- description = command.get("description")
- if not description:
- description = "(no short description provided)"
- if command.get("administrative"):
- output = "$(red)"
- else:
- output = "$(grn)"
- output += parameters + "$(nrm) - " + description + "$(eol)$(eol)"
-
- # add the help text if provided
- help_text = command.get("help")
- if not help_text:
- help_text = "No help is provided for this command."
- output += help_text
-
- # list related commands
- see_also = command.get("see_also")
- if see_also:
- really_see_also = ""
- for item in see_also:
- if item in universe.groups["command"]:
- command = universe.groups["command"][item]
- if actor.can_run(command):
- if really_see_also:
- really_see_also += ", "
- if command.get("administrative"):
- really_see_also += "$(red)"
- else:
- really_see_also += "$(grn)"
- really_see_also += item + "$(nrm)"
- if really_see_also:
- output += "$(eol)$(eol)See also: " + really_see_also
-
- # no data for the requested command word
- else:
- output = "That is not an available command."
-
- # no specific command word was indicated
- else:
-
- # give a sorted list of commands with descriptions if provided
- output = "These are the commands available to you:$(eol)$(eol)"
- sorted_commands = list(universe.groups["command"].keys())
- sorted_commands.sort()
- for item in sorted_commands:
- command = universe.groups["command"][item]
- if actor.can_run(command):
- description = command.get("description")
- if not description:
- description = "(no short description provided)"
- if command.get("administrative"):
- output += " $(red)"
- else:
- output += " $(grn)"
- output += item + "$(nrm) - " + description + "$(eol)"
- output += ('$(eol)Enter "help COMMAND" for help on a command '
- 'named "COMMAND".')
-
- # send the accumulated output to the user
- actor.send(output)
-
-
-def command_move(actor, parameters):
- """Move the avatar in a given direction."""
- if parameters in universe.contents[actor.get("location")].portals():
- actor.move_direction(parameters)
- else:
- actor.send("You cannot go that way.")
-
-
-def command_look(actor, parameters):
- """Look around."""
- if parameters:
- actor.send("You can't look at or in anything yet.")
- else:
- actor.look_at(actor.get("location"))
-
-
-def command_say(actor, parameters):
- """Speak to others in the same area."""
-
- # check for replacement macros and escape them
- parameters = escape_macros(parameters)
-
- # if the message is wrapped in quotes, remove them and leave contents
- # intact
- if parameters.startswith('"') and parameters.endswith('"'):
- message = parameters[1:-1]
- literal = True
-
- # otherwise, get rid of stray quote marks on the ends of the message
- else:
- message = parameters.strip('''"'`''')
- literal = False
-
- # the user entered a message
- if message:
-
- # match the punctuation used, if any, to an action
- if "mudpy.linguistic" in universe.contents:
- actions = universe.contents["mudpy.linguistic"].get("actions", {})
- default_punctuation = (universe.contents["mudpy.linguistic"].get(
- "default_punctuation", "."))
- else:
- actions = {}
- default_punctuation = "."
- action = ""
-
- # reverse sort punctuation options so the longest match wins
- for mark in sorted(actions.keys(), reverse=True):
- if not literal and message.endswith(mark):
- action = actions[mark]
- break
-
- # add punctuation if needed
- if not action:
- action = actions[default_punctuation]
- if message and not (
- literal or unicodedata.category(message[-1]) == "Po"
- ):
- message += default_punctuation
-
- # failsafe checks to avoid unwanted reformatting and null strings
- if message and not literal:
-
- # decapitalize the first letter to improve matching
- message = message[0].lower() + message[1:]
-
- # iterate over all words in message, replacing typos
- if "mudpy.linguistic" in universe.contents:
- typos = universe.contents["mudpy.linguistic"].get("typos", {})
- else:
- typos = {}
- words = message.split()
- for index in range(len(words)):
- word = words[index]
- while unicodedata.category(word[0]) == "Po":
- word = word[1:]
- while unicodedata.category(word[-1]) == "Po":
- word = word[:-1]
- if word in typos.keys():
- words[index] = words[index].replace(word, typos[word])
- message = " ".join(words)
-
- # capitalize the first letter
- message = message[0].upper() + message[1:]
-
- # tell the area
- if message:
- actor.echo_to_location(
- actor.get("name") + " " + action + 's, "' + message + '"'
- )
- actor.send("You " + action + ', "' + message + '"')
-
- # there was no message
- else:
- actor.send("What do you want to say?")
-
-
-def command_chat(actor):
- """Toggle chat mode."""
- mode = actor.get("mode")
- if not mode:
- actor.set("mode", "chat")
- actor.send("Entering chat mode (use $(grn)!chat$(nrm) to exit).")
- elif mode == "chat":
- actor.remove_facet("mode")
- actor.send("Exiting chat mode.")
- else:
- actor.send("Sorry, but you're already busy with something else!")
-
-
-def command_show(actor, parameters):
- """Show program data."""
- message = ""
- arguments = parameters.split()
- if not parameters:
- message = "What do you want to show?"
- elif arguments[0] == "version":
- message = repr(universe.versions)
- elif arguments[0] == "time":
- message = universe.groups["internal"]["counters"].get(
- "elapsed"
- ) + " increments elapsed since the world was created."
- elif arguments[0] == "groups":
- message = "These are the element groups:$(eol)"
- groups = list(universe.groups.keys())
- groups.sort()
- for group in groups:
- message += "$(eol) $(grn)" + group + "$(nrm)"
- elif arguments[0] == "files":
- message = "These are the current files containing the universe:$(eol)"
- filenames = sorted(universe.files)
- for filename in filenames:
- if universe.files[filename].is_writeable():
- status = "rw"
- else:
- status = "ro"
- message += ("$(eol) $(red)(%s) $(grn)%s$(nrm)" %
- (status, filename))
- if universe.files[filename].flags:
- message += (" $(yel)[%s]$(nrm)" %
- ",".join(universe.files[filename].flags))
- elif arguments[0] == "group":
- if len(arguments) != 2:
- message = "You must specify one group."
- elif arguments[1] in universe.groups:
- message = ('These are the elements in the "' + arguments[1]
- + '" group:$(eol)')
- elements = [
- (
- universe.groups[arguments[1]][x].key
- ) for x in universe.groups[arguments[1]].keys()
- ]
- elements.sort()
- for element in elements:
- message += "$(eol) $(grn)" + element + "$(nrm)"
- else:
- message = 'Group "' + arguments[1] + '" does not exist.'
- elif arguments[0] == "file":
- if len(arguments) != 2:
- message = "You must specify one file."
- elif arguments[1] in universe.files:
- message = ('These are the nodes in the "' + arguments[1]
- + '" file:$(eol)')
- elements = sorted(universe.files[arguments[1]].data)
- for element in elements:
- message += "$(eol) $(grn)" + element + "$(nrm)"
- else:
- message = 'File "%s" does not exist.' % arguments[1]
- elif arguments[0] == "element":
- if len(arguments) != 2:
- message = "You must specify one element."
- elif arguments[1].strip(".") in universe.contents:
- element = universe.contents[arguments[1].strip(".")]
- message = ('These are the properties of the "' + arguments[1]
- + '" element (in "' + element.origin.source
- + '"):$(eol)')
- facets = element.facets()
- for facet in sorted(facets):
- message += ("$(eol) $(grn)%s: $(red)%s$(nrm)" %
- (facet, str(facets[facet])))
- else:
- message = 'Element "' + arguments[1] + '" does not exist.'
- elif arguments[0] == "result":
- if len(arguments) < 2:
- message = "You need to specify an expression."
- else:
- try:
- message = repr(eval(" ".join(arguments[1:])))
- except Exception as e:
- message = ("$(red)Your expression raised an exception...$(eol)"
- "$(eol)$(bld)%s$(nrm)" % e)
- elif arguments[0] == "log":
- if len(arguments) == 4:
- if re.match(r"^\d+$", arguments[3]) and int(arguments[3]) >= 0:
- stop = int(arguments[3])
- else:
- stop = -1
- else:
- stop = 0
- if len(arguments) >= 3:
- if re.match(r"^\d+$", arguments[2]) and int(arguments[2]) > 0:
- start = int(arguments[2])
- else:
- start = -1
- else:
- start = 10
- if len(arguments) >= 2:
- if (re.match(r"^\d+$", arguments[1])
- and 0 <= int(arguments[1]) <= 9):
- level = int(arguments[1])
- else:
- level = -1
- elif 0 <= actor.owner.account.get("loglevel", 0) <= 9:
- level = actor.owner.account.get("loglevel", 0)
- else:
- level = 1
- if level > -1 and start > -1 and stop > -1:
- message = get_loglines(level, start, stop)
- else:
- message = ("When specified, level must be 0-9 (default 1), "
- "start and stop must be >=1 (default 10 and 1).")
- else:
- message = '''I don't know what "''' + parameters + '" is.'
- actor.send(message)
-
-
-def command_create(actor, parameters):
- """Create an element if it does not exist."""
- if not parameters:
- message = "You must at least specify an element to create."
- elif not actor.owner:
- message = ""
- else:
- arguments = parameters.split()
- if len(arguments) == 1:
- arguments.append("")
- if len(arguments) == 2:
- element, filename = arguments
- if element in universe.contents:
- message = 'The "' + element + '" element already exists.'
- else:
- message = ('You create "' +
- element + '" within the universe.')
- logline = actor.owner.account.get(
- "name"
- ) + " created an element: " + element
- if filename:
- logline += " in file " + filename
- if filename not in universe.files:
- message += (
- ' Warning: "' + filename + '" is not yet '
- "included in any other file and will not be read "
- "on startup unless this is remedied.")
- Element(element, universe, filename)
- log(logline, 6)
- elif len(arguments) > 2:
- message = "You can only specify an element and a filename."
- actor.send(message)
-
-
-def command_destroy(actor, parameters):
- """Destroy an element if it exists."""
- if actor.owner:
- if not parameters:
- message = "You must specify an element to destroy."
- else:
- if parameters not in universe.contents:
- message = 'The "' + parameters + '" element does not exist.'
- else:
- universe.contents[parameters].destroy()
- message = ('You destroy "' + parameters
- + '" within the universe.')
- log(
- actor.owner.account.get(
- "name"
- ) + " destroyed an element: " + parameters,
- 6
- )
- actor.send(message)
-
-
-def command_set(actor, parameters):
- """Set a facet of an element."""
- if not parameters:
- message = "You must specify an element, a facet and a value."
- else:
- arguments = parameters.split(" ", 2)
- if len(arguments) == 1:
- message = ('What facet of element "' + arguments[0]
- + '" would you like to set?')
- elif len(arguments) == 2:
- message = ('What value would you like to set for the "' +
- arguments[1] + '" facet of the "' + arguments[0]
- + '" element?')
- else:
- element, facet, value = arguments
- if element not in universe.contents:
- message = 'The "' + element + '" element does not exist.'
- else:
- try:
- universe.contents[element].set(facet, value)
- except PermissionError:
- message = ('The "%s" element is kept in read-only file '
- '"%s" and cannot be altered.' %
- (element, universe.contents[
- element].origin.source))
- except ValueError:
- message = ('Value "%s" of type "%s" cannot be coerced '
- 'to the correct datatype for facet "%s".' %
- (value, type(value), facet))
- else:
- message = ('You have successfully (re)set the "' + facet
- + '" facet of element "' + element
- + '". Try "show element ' +
- element + '" for verification.')
- actor.send(message)
-
-
-def command_delete(actor, parameters):
- """Delete a facet from an element."""
- if not parameters:
- message = "You must specify an element and a facet."
- else:
- arguments = parameters.split(" ")
- if len(arguments) == 1:
- message = ('What facet of element "' + arguments[0]
- + '" would you like to delete?')
- elif len(arguments) != 2:
- message = "You may only specify an element and a facet."
- else:
- element, facet = arguments
- if element not in universe.contents:
- message = 'The "' + element + '" element does not exist.'
- elif facet not in universe.contents[element].facets():
- message = ('The "' + element + '" element has no "' + facet
- + '" facet.')
- else:
- universe.contents[element].remove_facet(facet)
- message = ('You have successfully deleted the "' + facet
- + '" facet of element "' + element
- + '". Try "show element ' +
- element + '" for verification.')
- actor.send(message)
-
-
-def command_error(actor, input_data):
- """Generic error for an unrecognized command word."""
-
- # 90% of the time use a generic error
- if random.randrange(10):
- message = '''I'm not sure what "''' + input_data + '''" means...'''
-
- # 10% of the time use the classic diku error
- else:
- message = "Arglebargle, glop-glyf!?!"
-
- # send the error message
- actor.send(message)
-
-