Added the possibility to overload the dynamically created ChannelCommand. Implements #887.

evennia/comms/channelhandler.py

@@ -25,12 +25,15 @@ does this for you.
 """
 from builtins import object
 
+from django.conf import settings
 from evennia.comms.models import ChannelDB
 from evennia.commands import cmdset, command
 from evennia.utils.logger import tail_log_file
-
+from evennia.utils.utils import class_from_module
 from django.utils.translation import ugettext as _
 
+_CHANNEL_COMMAND_CLASS = None
+
 class ChannelCommand(command.Command):
     """
     {channelkey} channel
@@ -194,8 +197,13 @@ class ChannelHandler(object):
             the Channel itself.
 
         """
+        global _CHANNEL_COMMAND_CLASS
+        if not _CHANNEL_COMMAND_CLASS:
+            _CHANNEL_COMMAND_CLASS = class_from_module(settings.CHANNEL_COMMAND_CLASS)
+
         # map the channel to a searchable command
-        cmd = ChannelCommand(key=channel.key.strip().lower(),
+        cmd = _CHANNEL_COMMAND_CLASS(
+                             key=channel.key.strip().lower(),
                              aliases=channel.aliases.all(),
                              locks="cmd:all();%s" % channel.locks,
                              help_category="Channel names",

evennia/settings_default.py

@@ -324,6 +324,11 @@ CMDSET_PATHS = ["commands", "evennia", "contribs"]
 # 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"
+# The Channel Handler will create a command to represent each channel,
+# creating it with the key of the channel, its aliases, locks etc. The
+# default class logs channel messages to a file and allows for /history.
+# This setting allows to override the command class used with your own.
+CHANNEL_COMMAND_CLASS = "evennia.comms.channelhandler.ChannelCommand"
 
 ######################################################################
 # Typeclasses and other paths