X-Git-Url: https://mudpy.org/gitweb?p=mudpy.git;a=blobdiff_plain;f=mudpy%2Fcommand.py;h=20b448cf6ea19b78477a1477b9b9c37aec4a42cd;hp=14640dab3f787260761a65212dffddb175123d28;hb=dc3b9c3f13b06b80db5c9f9a4c15804dfd60af4a;hpb=e25d11c16634028eaf5a498adf0aacc0ad9ffda0 diff --git a/mudpy/command.py b/mudpy/command.py index 14640da..20b448c 100644 --- a/mudpy/command.py +++ b/mudpy/command.py @@ -1,17 +1,18 @@ """User command functions for the mudpy engine.""" -# Copyright (c) 2004-2018 mudpy authors. Permission to use, copy, +# Copyright (c) 2004-2019 mudpy authors. Permission to use, copy, # modify, and distribute this software is granted under terms # provided in the LICENSE file distributed with this software. import random import re +import traceback import unicodedata import mudpy -def chat(actor): +def chat(actor, parameters): """Toggle chat mode.""" mode = actor.get("mode") if not mode: @@ -117,8 +118,13 @@ def error(actor, input_data): else: message = "Arglebargle, glop-glyf!?!" - # send the error message - actor.send(message) + # try to send the error message, and log if we can't + try: + actor.send(message) + except Exception: + mudpy.misc.log( + 'Sending a command error to user %s raised exception...\n%s' % ( + actor.owner.account.get("name"), traceback.format_exc())) def halt(actor, parameters): @@ -148,10 +154,7 @@ def help(actor, parameters): if parameters and actor.owner: # is the command word one for which we have data? - if parameters in actor.universe.groups["command"]: - command = actor.universe.groups["command"][parameters] - else: - command = None + command = mudpy.misc.find_command(parameters) # only for allowed commands if actor.can_run(command): @@ -164,7 +167,8 @@ def help(actor, parameters): output = "$(red)" else: output = "$(grn)" - output += parameters + "$(nrm) - " + description + "$(eol)$(eol)" + output = "%s%s$(nrm) - %s$(eol)$(eol)" % ( + output, command.subkey, description) # add the help text if provided help_text = command.get("help") @@ -197,23 +201,53 @@ def help(actor, parameters): # 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(actor.universe.groups["command"].keys()) - sorted_commands.sort() - for item in sorted_commands: - command = actor.universe.groups["command"][item] + # preamble text + output = ("These are the commands available to you [brackets indicate " + "optional portion]:$(eol)$(eol)") + + # list command names in alphabetical order + for command_name, command in sorted( + actor.universe.groups["command"].items()): + + # skip over disallowed commands if actor.can_run(command): - description = command.get("description") - if not description: - description = "(no short description provided)" + + # start incrementing substrings + for position in range(1, len(command_name) + 1): + + # we've found our shortest possible abbreviation + candidate = mudpy.misc.find_command( + command_name[:position]) + try: + if candidate.subkey == command_name: + break + except AttributeError: + pass + + # use square brackets to indicate optional part of command name + if position < len(command_name): + abbrev = "%s[%s]" % ( + command_name[:position], command_name[position:]) + else: + abbrev = command_name + + # supply a useful default if the short description is missing + description = command.get( + "description", "(no short description provided)") + + # administrative command names are in red, others in green if command.get("administrative"): - output += " $(red)" + color = "red" else: - output += " $(grn)" - output += item + "$(nrm) - " + description + "$(eol)" - output += ('$(eol)Enter "help COMMAND" for help on a command ' - 'named "COMMAND".') + color = "grn" + + # format the entry for this command + output = "%s $(%s)%s$(nrm) - %s$(eol)" % ( + output, color, abbrev, description) + + # add a footer with instructions on getting additional information + output = ('%s $(eol)Enter "help COMMAND" for help on a command named ' + '"COMMAND".' % output) # send the accumulated output to the user actor.send(output) @@ -229,20 +263,60 @@ def look(actor, parameters): def move(actor, parameters): """Move the avatar in a given direction.""" - if parameters in actor.universe.contents[actor.get("location")].portals(): - actor.move_direction(parameters) + for portal in sorted( + actor.universe.contents[actor.get("location")].portals()): + if portal.startswith(parameters): + actor.move_direction(portal) + return(portal) + actor.send("You cannot go that way.") + + +def preferences(actor, parameters): + """List, view and change actor preferences.""" + + # Escape replacement macros in preferences + parameters = mudpy.misc.escape_macros(parameters) + + message = "" + arguments = parameters.split() + allowed_prefs = set() + user_config = actor.universe.contents.get("mudpy.user") + if user_config: + allowed_prefs.update(user_config.get("pref_allow", [])) + if actor.owner.account.get("administrator"): + allowed_prefs.update(user_config.get("pref_admin", [])) + if not arguments: + message += "These are your current preferences:" + for pref in allowed_prefs: + message += ("$(eol) $(red)%s $(grn)%s$(nrm)" + % (pref, actor.owner.account.get(pref))) + elif arguments[0] not in allowed_prefs: + message += ( + 'Preference "%s" does not exist. Try the `preferences` command by ' + "itself for a list of valid preferences." % arguments[0]) + elif len(arguments) == 1: + message += "%s" % actor.owner.account.get(arguments[0]) else: - actor.send("You cannot go that way.") + pref = arguments[0] + value = " ".join(arguments[1:]) + try: + actor.owner.account.set(pref, value) + message += 'Preference "%s" set to "%s".' % (pref, value) + except ValueError: + message = ( + 'Preference "%s" cannot be set to type "%s".' % ( + pref, type(value))) + actor.send(message) -def quit(actor): +def quit(actor, parameters): """Leave the world and go back to the main menu.""" if actor.owner: actor.owner.state = "main_utility" actor.owner.deactivate_avatar() -def reload(actor): +def reload(actor, parameters): """Reload all code modules, configs and data.""" if actor.owner: @@ -341,7 +415,7 @@ def say(actor, parameters): actor.send("What do you want to say?") -def set(actor, parameters): +def c_set(actor, parameters): """Set a facet of an element.""" if not parameters: message = "You must specify an element, a facet and a value." @@ -387,9 +461,8 @@ def show(actor, parameters): elif arguments[0] == "version": message = repr(actor.universe.versions) elif arguments[0] == "time": - message = actor.universe.groups["internal"]["counters"].get( - "elapsed" - ) + " increments elapsed since the world was created." + message = "%s increments elapsed since the world was created." % ( + str(actor.universe.groups["internal"]["counters"].get("elapsed"))) elif arguments[0] == "groups": message = "These are the element groups:$(eol)" groups = list(actor.universe.groups.keys())