Misc: Make @more reply in batches when possible.

plugins/Misc/plugin.py

@@ -393,8 +393,18 @@ class Misc(callbacks.Plugin):
         msgs.reverse()
         L[-number:] = []
         if msgs:
-            for msg in msgs:
-                irc.queueMsg(msg)
+            if conf.supybot.protocols.irc.experimentalExtensions() \
+                    and 'draft/multiline' in irc.state.capabilities_ack \
+                    and len(msgs) > 1:
+                # If draft/multiline is available, use it.
+                # TODO: set concat=True. For now we can't, because every
+                # message has "(XX more messages)" at the end, so it would be
+                # unreadable if the messages were concatenated
+                irc.queueMultilineBatches(msgs, target=msgs[0].args[0],
+                        targetNick=msg.nick, concat=False)
+            else:
+                for msg in msgs:
+                    irc.queueMsg(msg)
         else:
             irc.error(_('That\'s all, there is no more.'))
     more = wrap(more, [additional('seenNick')])

plugins/Misc/test.py

@@ -236,6 +236,47 @@ class MiscTestCase(ChannelPluginTestCase):
             self.assertResponse('more',
                                 "Error: That's all, there is no more.")
 
+    def testMoreBatch(self):
+        self.irc.state.capabilities_ack.add('batch')
+        self.irc.state.capabilities_ack.add('draft/multiline')
+        self.irc.state.capabilities_ls['draft/multiline'] = 'max-bytes=4096'
+        with conf.supybot.protocols.irc.experimentalExtensions.context(True):
+            with conf.supybot.plugins.Misc.mores.context(2):
+                self.assertResponse('echo %s' % ('abc '*400),
+                                    'abc '*112 + ' \x02(3 more messages)\x02')
+                self.irc.feedMsg(ircmsgs.privmsg(
+                    self.channel, "@more", prefix=self.prefix))
+
+            # First message opens the batch
+            m = self.irc.takeMsg()
+            self.assertEqual(m.command, 'BATCH', m)
+            batch_name = m.args[0][1:]
+            self.assertEqual(
+                m, ircmsgs.IrcMsg(command='BATCH',
+                    args=('+' + batch_name,
+                        'draft/multiline', self.channel)))
+
+            # Second message, first PRIVMSG
+            m = self.irc.takeMsg()
+            self.assertEqual(
+                m, ircmsgs.IrcMsg(command='PRIVMSG',
+                    args=(self.channel, "abc " * 112 + " \x02(2 more messages)\x02"),
+                    server_tags={'batch': batch_name}))
+
+            # Third message, last PRIVMSG
+            m = self.irc.takeMsg()
+            self.assertEqual(
+                m, ircmsgs.IrcMsg(command='PRIVMSG',
+                    args=(self.channel,
+                        "abc " * 112 + " \x02(1 more message)\x02"),
+                    server_tags={'batch': batch_name}))
+
+            # Last message, closes the batch
+            m = self.irc.takeMsg()
+            self.assertEqual(
+                m, ircmsgs.IrcMsg(command='BATCH', args=(
+                    '-' + batch_name,)))
+
     def testClearMores(self):
         self.assertRegexp('echo %s' % ('abc'*700), 'more')
         self.assertRegexp('more', 'more')

src/callbacks.py

@@ -953,7 +953,7 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
                 self.args[self.counter] = s
             self.evalArgs()
 
-    def _replyOverhead(self, target, msg):
+    def _replyOverhead(self, target, targetNick):
         """Returns the number of bytes added to a PRIVMSG payload, either by
         Limnoria itself or by the server.
         Ignores tag bytes, as they are accounted for separatly."""
@@ -965,8 +965,8 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
             + len(' :')
             + len('\r\n')
         )
-        if self.prefixNick:
-            overhead += len(msg.nick) + len(': ')
+        if self.prefixNick and targetNick is not None:
+            overhead += len(targetNick) + len(': ')
         return overhead
 
     def _sendReply(self, s, target, msg, sendImmediately, stripCtcp):
@@ -1000,7 +1000,7 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
             allowedLength = conf.get(conf.supybot.reply.mores.length,
                 channel=target, network=self.irc.network)
             if not allowedLength: # 0 indicates this.
-                allowedLength = 512 - self._replyOverhead(target, msg)
+                allowedLength = 512 - self._replyOverhead(target, msg.nick)
             maximumMores = conf.get(conf.supybot.reply.mores.maximum,
                 channel=target, network=self.irc.network)
             maximumLength = allowedLength * maximumMores
@@ -1066,7 +1066,8 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
                 # More than one message to send now, and we are allowed to use
                 # multiline batches, so let's do it
                 self.queueMultilineBatches(
-                    instant_messages, target, allowedLength, sendImmediately)
+                    instant_messages, target, msg.nick, concat=True,
+                    allowedLength=allowedLength, sendImmediately=sendImmediately)
             else:
                 for instant_msg in instant_messages:
                     sendMsg(instant_msg)
@@ -1087,8 +1088,8 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
             self._mores[msg.nick] = (private, msgs)
             return response
 
-    def queueMultilineBatches(self, msgs, target, allowedLength=0,
-                               sendImmediately=False):
+    def queueMultilineBatches(self, msgs, target, targetNick, concat,
+                              allowedLength=0, sendImmediately=False):
         """Queues the msgs passed as argument in batches using draft/multiline
         batches.
 
@@ -1098,7 +1099,7 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
         assert 'draft/multiline' in self.state.capabilities_ack
 
         if not allowedLength: # 0 indicates this.
-            allowedLength = 512 - self._replyOverhead(target, msg)
+            allowedLength = 512 - self._replyOverhead(target, targetNick)
 
         multiline_cap_values = ircutils.parseCapabilityKeyValue(
             self.state.capabilities_ls['draft/multiline'])
@@ -1126,7 +1127,7 @@ class NestedCommandsIrcProxy(ReplyIrcProxy):
                     continue  # 'grouper' generates None at the end
                 assert 'batch' not in batch_msg.server_tags
                 batch_msg.server_tags['batch'] = batch_name
-                if i > 0:
+                if concat and i > 0:
                     # Tell clients not to add a newline after this
                     batch_msg.server_tags['draft/multiline-concat'] = None
                 batch.append(batch_msg)

src/irclib.py

@@ -1453,8 +1453,8 @@ class Irc(IrcCommandDispatcher, log.Firewalled):
         if msg:
             if msg.command.upper() == 'BATCH':
                 if not conf.supybot.protocols.irc.experimentalExtensions():
-                    log.error('Dropping outgoing batch.'
-                              'supybot.protocols.irc.experimentalExtensions'
+                    log.error('Dropping outgoing batch. '
+                              'supybot.protocols.irc.experimentalExtensions '
                               'is disabled, so plugins should not send '
                               'batches. This is a bug, please report it.')
                     return None