Channel: nicks: add --count argument, which outputs only the count of nicks in channel.

also add tests for the nick command.

plugins/Channel/plugin.py

@@ -777,11 +777,12 @@ class Channel(callbacks.Plugin):
                            optional(('plugin', False)),
                            additional('commandName')])
 
-    def nicks(self, irc, msg, args, channel):
-        """[<channel>]
+    def nicks(self, irc, msg, args, channel, optlist):
+        """[<channel>] [--count]
 
         Returns the nicks in <channel>.  <channel> is only necessary if the
-        message isn't sent in the channel itself.
+        message isn't sent in the channel itself. Returns only the number of 
+        nicks if --count option is provided.
         """
         # Make sure we don't elicit information about private channels to
         # people or channels that shouldn't know
@@ -791,9 +792,14 @@ class Channel(callbacks.Plugin):
              msg.nick not in irc.state.channels[channel].users):
             irc.error('You don\'t have access to that information.')
         L = list(irc.state.channels[channel].users)
+        keys = [option for (option, arg) in optlist]
+        if 'count' not in keys:
             utils.sortBy(str.lower, L)
             irc.reply(utils.str.commaAndify(L))
-    nicks = wrap(nicks, ['inChannel'])
+        else:
+            irc.reply(str(len(L)))
+    nicks = wrap(nicks, ['inChannel', 
+                        getopts({'count':''})])
 
     def alertOps(self, irc, channel, s, frm=None):
         """Internal message for notifying all the #channel,ops in a channel of

plugins/Channel/test.py

@@ -214,5 +214,9 @@ class ChannelTestCase(ChannelPluginTestCase):
         finally:
             conf.supybot.protocols.irc.banmask.setValue(orig)
 
+    def testNicks(self):
+        self.assertResponse('channel nicks', 'bar, foo, and test')
+        self.assertResponse('channel nicks --count', '3')
+        
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