core: Depluralize prefixmodes mappings (#168)

This is an API breaking change. I really don't know why I made these keys plural to start, since it only made things more complicated. Prefix modes are not pluralized in the list of supported modes of each IRCd.

classes.py

@@ -573,8 +573,8 @@ class IrcChannel():
         self.modes = {('n', None), ('t', None)}
         self.topic = ''
         self.ts = int(time.time())
-        self.prefixmodes = {'ops': set(), 'halfops': set(), 'voices': set(),
-                            'owners': set(), 'admins': set()}
+        self.prefixmodes = {'op': set(), 'halfop': set(), 'voice': set(),
+                            'owner': set(), 'admin': set()}
 
         # Determines whether a topic has been set here or not. Protocol modules
         # should set this.

coreplugin.py

@@ -62,7 +62,7 @@ def handle_whois(irc, source, command, args):
         # Show prefix modes like a regular IRCd does.
         for prefixmode, prefixchar in irc.prefixmodes.items():
             modename = [mname for mname, char in irc.cmodes.items() if char == prefixmode]
-            if modename and target in c.prefixmodes[modename[0]+'s']:
+            if modename and target in c.prefixmodes[modename[0]]:
                 chan = prefixchar + chan
         public_chans.append(chan)
     if public_chans:  # Only send the line if the person is in any visible channels...

plugins/commands.py

@@ -151,7 +151,7 @@ def showchan(irc, source, args):
         for user, nick in sorted(zip(c.users, nicks),
                                  key=lambda userpair: userpair[1].lower()):
             prefixmodes = [irc.prefixmodes.get(irc.cmodes.get(pmode, ''), '')
-                           for pmode in pmodes if user in c.prefixmodes[pmode+'s']]
+                           for pmode in pmodes if user in c.prefixmodes[pmode]]
             nicklist.append(''.join(prefixmodes) + nick)
 
         while nicklist[:20]:  # 20 nicks per line to prevent message cutoff.

plugins/relay.py

@@ -203,8 +203,8 @@ def getPrefixModes(irc, remoteirc, channel, user, mlist=None):
         if pmode in remoteirc.cmodes:  # If the mode supported by IRCd
             # Check if the caller is in the prefix modes list for that
             # prefix.prefixmodes mapping looks like:
-            #     {'ops': ['user1', 'user2'], 'voices': ['user3', 'user4'], ...}
-            userlist = mlist[pmode+'s']
+            #     {'op': ['user1', 'user2'], 'voice': ['user3', 'user4'], ...}
+            userlist = mlist[pmode]
             log.debug('(%s) relay.getPrefixModes: checking if %r is in %s list: %r',
                       irc.name, user, pmode, userlist)
             if user in userlist:
@@ -683,7 +683,7 @@ def relayModes(irc, remoteirc, sender, channel, modes=None):
                     log.debug("(%s) relay.relayModes: argument found as (%r, %r) "
                               "for network %r.",
                               irc.name, modechar, arg, remoteirc.name)
-                    oplist = remoteirc.channels[remotechan].prefixmodes[name+'s']
+                    oplist = remoteirc.channels[remotechan].prefixmodes[name]
 
                     log.debug("(%s) relay.relayModes: list of %ss on %r is: %s",
                               irc.name, name, remotechan, oplist)

utils.py

@@ -291,25 +291,30 @@ def applyModes(irc, target, changedmodes):
             real_mode = (mode[0][1], mode[1])
         except IndexError:
             real_mode = mode
+
         if not usermodes:
-            pmode = ''
-            for m in ('owner', 'admin', 'op', 'halfop', 'voice'):
-                if m in irc.cmodes and real_mode[0] == irc.cmodes[m]:
-                    pmode = m+'s'
-            if pmode:
+            # We only handle +qaohv for now. Iterate over every supported mode:
+            # if the IRCd supports this mode and it is the one being set, add/remove
+            # the person from the corresponding prefix mode list (e.g. c.prefixmodes['op']
+            # for ops).
+            for pmode in ('owner', 'admin', 'op', 'halfop', 'voice'):
+                if pmode in irc.cmodes and real_mode[0] == irc.cmodes[pmode]:
                     pmodelist = irc.channels[target].prefixmodes[pmode]
                     log.debug('(%s) Initial prefixmodes list: %s', irc.name, irc.channels[target].prefixmodes)
                     if mode[0][0] == '+':
                         pmodelist.add(mode[1])
                     else:
                         pmodelist.discard(mode[1])
-                irc.channels[target].prefixmodes[pmode] = pmodelist
+
                     log.debug('(%s) Final prefixmodes list: %s', irc.name, irc.channels[target].prefixmodes)
+
             if real_mode[0] in irc.prefixmodes:
-                # Ignore other prefix modes such as InspIRCd's +Yy
+                # Don't add prefix modes to IrcChannel.modes; they belong in the
+                # prefixmodes mapping handled above.
                 log.debug('(%s) Not adding mode %s to IrcChannel.modes because '
-                          'it\'s a prefix mode we don\'t care about.', irc.name, str(mode))
+                          'it\'s a prefix mode.', irc.name, str(mode))
                 continue
+
         if mode[0][0] == '+':
             # We're adding a mode
             existing = [m for m in modelist if m[0] == real_mode[0] and m[1] != real_mode[1]]
@@ -417,7 +422,7 @@ def reverseModes(irc, target, modes, oldobj=None):
         possible_modes['*A'] += ''.join(irc.prefixmodes)
         for name, userlist in c.prefixmodes.items():
             try:
-                oldmodes.update([(irc.cmodes[name[:-1]], u) for u in userlist])
+                oldmodes.update([(irc.cmodes[name], u) for u in userlist])
             except KeyError:
                 continue
     else: