diff --git a/evennia/commands/cmdsethandler.py b/evennia/commands/cmdsethandler.py index 3f01dbcac2..3ecbd8bd36 100644 --- a/evennia/commands/cmdsethandler.py +++ b/evennia/commands/cmdsethandler.py @@ -351,6 +351,17 @@ class CmdSetHandler(object): elif path: cmdset = self._import_cmdset(path) if cmdset: + if cmdset.key == '_CMDSET_ERROR': + # If a cmdset fails to load, check if we have a fallback path to use + fallback_path = settings.CMDSET_FALLBACKS.get(path, None) + if fallback_path: + logger.log_err("Error encountered for cmdset at path %s. Replacing with: %s" % ( + path, fallback_path)) + cmdset = self._import_cmdset(fallback_path) + # If no cmdset is returned from the fallback, we can't go further + if not cmdset: + logger.log_err("Fallback path '%s' failed to generate a cmdset." % fallback_path) + continue cmdset.permanent = cmdset.key != '_CMDSET_ERROR' self.cmdset_stack.append(cmdset) diff --git a/evennia/settings_default.py b/evennia/settings_default.py index 283930eb0f..4ff4bdf6f7 100644 --- a/evennia/settings_default.py +++ b/evennia/settings_default.py @@ -348,6 +348,12 @@ CMDSET_CHARACTER = "commands.default_cmdsets.CharacterCmdSet" CMDSET_PLAYER = "commands.default_cmdsets.PlayerCmdSet" # Location to search for cmdsets if full path not given CMDSET_PATHS = ["commands", "evennia", "contribs"] +# Fallbacks for cmdset paths that fail to load. Note that if you change the path for your default cmdsets, +# you will also need to copy CMDSET_FALLBACKS after your change in your settings file for it to detect the change. +CMDSET_FALLBACKS = {CMDSET_CHARACTER: 'evennia.commands.default.cmdset_character.CharacterCmdSet', + CMDSET_PLAYER: 'evennia.commands.default.cmdset_player.PlayerCmdSet', + CMDSET_SESSION: 'evennia.commands.default.cmdset_session.SessionCmdSet', + CMDSET_UNLOGGEDIN: 'evennia.commands.default.cmdset_unloggedin.UnloggedinCmdSet'} # Parent class for all default commands. Changing this class will # modify all default commands, so do so carefully. COMMAND_DEFAULT_CLASS = "evennia.commands.default.muxcommand.MuxCommand"