Made examine command more verbose about the cmdset stack and just which cmdsets go into the currently merged set. This meant a change to merged sets where they store their component sets as a variable "merged_from".

src/commands/cmdhandler.py

@@ -229,11 +229,14 @@ def get_and_merge_cmdsets(caller, session, player, obj,
             cmdsets = yield sorted(tempmergers.values(), key=lambda x: x.priority)
 
             # Merge all command sets into one, beginning with the lowest-prio one
-            cmdset = cmdsets.pop(0)
-            for merging_cmdset in cmdsets:
+            cmdset = cmdsets[0]
+            for merging_cmdset in cmdsets[1:]:
                 #print "<%s(%s,%s)> onto <%s(%s,%s)>" % (merging_cmdset.key, merging_cmdset.priority, merging_cmdset.mergetype,
                 #                                        cmdset.key, cmdset.priority, cmdset.mergetype)
                 cmdset = yield merging_cmdset + cmdset
+            # store the full sets for diagnosis
+            cmdset.merged_from = cmdsets
+            # cache
             _CMDSET_MERGE_CACHE[mergehash] = cmdset
     else:
         cmdset = None

src/commands/cmdset.py

@@ -153,6 +153,10 @@ class CmdSet(object):
         self.system_commands = []
         self.actual_mergetype = self.mergetype
         self.cmdsetobj = cmdsetobj
+        # this is set only on merged sets, in cmdhandler.py, in order to
+        # track, list and debug mergers correctly.
+        self.merged_from = []
+
         # initialize system
         self.at_cmdset_creation()
         self._contains_cache = {}

src/commands/default/building.py

@@ -1663,7 +1663,7 @@ class CmdExamine(ObjManipCommand):
             string += "\n{wLocation{n: %s" % obj.location
             if obj.location:
                 string += " (#%s)" % obj.location.id
-        if hasattr(obj, "destination"):
+        if hasattr(obj, "destination") and obj.destination:
             string += "\n{wDestination{n: %s" % obj.destination
             if obj.destination:
                 string += " (#%s)" % obj.destination.id
@@ -1686,26 +1686,39 @@ class CmdExamine(ObjManipCommand):
         string += "\n{wLocks{n:%s" % locks_string
 
         if not (len(obj.cmdset.all()) == 1 and obj.cmdset.current.key == "_EMPTY_CMDSET"):
-            # list the current cmdsets
-            all_cmdsets = (obj.cmdset.all() +
-                           (hasattr(obj, "player") and obj.player and
-                            obj.player and obj.player.cmdset.all() or []))
-            try:
-                # we have to protect this since many objects don't have player/sessions.
-                all_cmdsets += obj.player.get_session(obj.sessid).cmdset.all()
-            except (TypeError, AttributeError):
-                pass
+            stored_cmdsets = obj.cmdset.all()
+            stored_cmdsets.sort(key=lambda x: x.priority, reverse=True)
+            string += "\n{wStored Cmdset(s){n:\n %s" % ("\n ".join("%s [%s] (%s, prio %s)" % \
+                                      (cmdset.path, cmdset.key, cmdset.mergetype, cmdset.priority)
+                                       for cmdset in stored_cmdsets if cmdset.key != "_EMPTY_CMDSET"))
+
+            # this gets all components of the currently merged set
+            all_cmdsets = [(cmdset.key, cmdset) for cmdset in avail_cmdset.merged_from]
+            # we always at least try to add player- and session sets since these are ignored
+            # if we merge on the object level.
+            if hasattr(obj, "player") and obj.player:
+                all_cmdsets.extend([(cmdset.key, cmdset) for cmdset in  obj.player.cmdset.all()])
+                if obj.sessid:
+                    all_cmdsets.extend([(cmdset.key, cmdset) for cmdset in obj.player.get_session(obj.sessid).cmdset.all()])
+            else:
+                try:
+                    # we have to protect this since many objects don't have sessions.
+                    all_cmdsets.extend([(cmdset.key, cmdset) for cmdset in obj.get_session(obj.sessid).cmdset.all()])
+                except (TypeError, AttributeError):
+                    pass
+            all_cmdsets = [cmdset for cmdset in dict(all_cmdsets).values()]
             all_cmdsets.sort(key=lambda x: x.priority, reverse=True)
-            string += "\n{wStored Cmdset(s){n:\n %s" % ("\n ".join("%s [%s] (prio %s)" % \
-                                      (cmdset.path, cmdset.key, cmdset.priority)
+            string += "\n{wMerged Cmdset(s){n:\n %s" % ("\n ".join("%s [%s] (%s, prio %s)" % \
+                                      (cmdset.path, cmdset.key, cmdset.mergetype, cmdset.priority)
                                        for cmdset in all_cmdsets))
 
+
             # list the commands available to this object
             avail_cmdset = sorted([cmd.key for cmd in avail_cmdset
                                     if cmd.access(obj, "cmd")])
 
             cmdsetstr = utils.fill(", ".join(avail_cmdset), indent=2)
-            string += "\n{wCommands available to %s (all cmdsets + exits and external cmds){n:\n %s" % (obj.key, cmdsetstr)
+            string += "\n{wCommands available to %s (result of Merged CmdSets){n:\n %s" % (obj.key, cmdsetstr)
 
         if hasattr(obj, "scripts") and hasattr(obj.scripts, "all") and obj.scripts.all():
             string += "\n{wScripts{n:\n %s" % obj.scripts
@@ -1759,7 +1772,7 @@ class CmdExamine(ObjManipCommand):
                     caller.execute_cmd('look %s' % obj.name)
                     return
                 # using callback for printing result whenever function returns.
-                get_and_merge_cmdsets(obj, self.session, self.player, obj, "session").addCallback(get_cmdset_callback)
+                get_and_merge_cmdsets(obj, self.session, self.player, obj, "object").addCallback(get_cmdset_callback)
             else:
                 self.msg("You need to supply a target to examine.")
             return
@@ -1794,8 +1807,14 @@ class CmdExamine(ObjManipCommand):
                     # we are only interested in specific attributes
                     caller.msg(self.format_attributes(obj, attrname, crop=False))
             else:
+                if obj.sessid:
+                    mergemode = "session"
+                elif self.player_mode:
+                    mergemode = "player"
+                else:
+                    mergemode = "object"
                 # using callback to print results whenever function returns.
-                get_and_merge_cmdsets(obj, self.session, self.player, obj, "session").addCallback(get_cmdset_callback)
+                get_and_merge_cmdsets(obj, self.session, self.player, obj, mergemode).addCallback(get_cmdset_callback)
 
 
 class CmdFind(MuxCommand):

src/commands/default/cmdset_session.py

@@ -9,7 +9,7 @@ class SessionCmdSet(CmdSet):
     Sets up the unlogged cmdset.
     """
     key = "DefaultSession"
-    priority = 0
+    priority = -7
 
     def at_cmdset_creation(self):
         "Populate the cmdset"

src/comms/channelhandler.py

@@ -44,7 +44,6 @@ class ChannelCommand(command.Command):
     is_channel = True
     key = "general"
     help_category = "Channel Names"
-    locks = "cmd:all()"
     obj = None
 
     def parse(self):
@@ -129,7 +128,6 @@ class ChannelHandler(object):
                              help_category="Channel names",
                              obj=channel,
                              is_channel=True)
-        cmd.__doc__ = self._format_help(channel)
         self.cached_channel_cmds.append(cmd)
         self.cached_cmdsets = {}