Fixes ProgVal/Limnoria#611

plugins/Owner/plugin.py

@@ -230,9 +230,10 @@ class Owner(callbacks.Plugin):
         world.starting = False
 
     def do376(self, irc, msg):
-        msg = conf.supybot.networks.get(irc.network).channels.joins()
-        if msg:
-            irc.queueMsg(msg)
+        msgs = conf.supybot.networks.get(irc.network).channels.joins()
+        if msgs:
+            for msg in msgs:
+                irc.queueMsg(msg)
     do422 = do377 = do376
 
     def setFloodQueueTimeout(self, *args, **kwargs):

src/conf.py

@@ -276,6 +276,9 @@ class SpaceSeparatedSetOfChannels(registry.SpaceSeparatedListOf):
         channels = []
         channels_with_key = []
         keys = []
+        old = None
+        msgs = []
+        msg = None
         for channel in self():
             key = self.key.get(channel)()
             if key:
@@ -283,8 +286,16 @@ class SpaceSeparatedSetOfChannels(registry.SpaceSeparatedListOf):
                 channels_with_key.append(channel)
             else:
                 channels.append(channel)
-        if channels_with_key or channels:
-            return ircmsgs.joins(channels_with_key + channels, keys)
+            msg = ircmsgs.joins(channels_with_key + channels, keys)
+            if len(str(msg)) > 512:
+                msgs.append(old)
+                keys = []
+                channels_with_key = []
+                channels = []
+            old = msg
+        if msg:
+            msgs.append(msg)
+            return msgs
         else:
             # Let's be explicit about it
             return None