deduplicate Channel object from irc library

I think this is an extremely ancient copy and paste job I never fully
corrected

ircbot/bot.py

@@ -15,6 +15,7 @@ from xmlrpc.server import SimpleXMLRPCRequestHandler, SimpleXMLRPCServer
 
 import irc.client
 import irc.modes
+from irc.bot import Channel
 from irc.connection import Factory
 from irc.dict import IRCDict
 from jaraco.stream import buffer
@@ -994,165 +995,3 @@ class IRCBot(irc.client.SimpleIRCClient):
             del sys.modules[path]
 
         self.die(msg="Shutting down...")
-
-
-class Channel(object):
-    """A class for keeping information about an IRC channel."""
-
-    def __init__(self):
-        """Initialize channel object."""
-        self.userdict = IRCDict()
-        self.operdict = IRCDict()
-        self.voiceddict = IRCDict()
-        self.ownerdict = IRCDict()
-        self.halfopdict = IRCDict()
-        self.modes = {}
-
-    def users(self):
-        """Returns an unsorted list of the channel's users."""
-        return list(self.userdict.keys())
-
-    def opers(self):
-        """Returns an unsorted list of the channel's operators."""
-        return list(self.operdict.keys())
-
-    def voiced(self):
-        """Returns an unsorted list of the persons that have voice mode set in the channel."""
-        return list(self.voiceddict.keys())
-
-    def owners(self):
-        """Returns an unsorted list of the channel's owners."""
-        return list(self.ownerdict.keys())
-
-    def halfops(self):
-        """Returns an unsorted list of the channel's half-operators."""
-        return list(self.halfopdict.keys())
-
-    def has_user(self, nick):
-        """Check whether the channel has a user."""
-        return nick in self.userdict
-
-    def is_oper(self, nick):
-        """Check whether a user has operator status in the channel."""
-        return nick in self.operdict
-
-    def is_voiced(self, nick):
-        """Check whether a user has voice mode set in the channel."""
-        return nick in self.voiceddict
-
-    def is_owner(self, nick):
-        """Check whether a user has owner status in the channel."""
-        return nick in self.ownerdict
-
-    def is_halfop(self, nick):
-        """Check whether a user has half-operator status in the channel."""
-        return nick in self.halfopdict
-
-    def add_user(self, nick):
-        """Add user."""
-        self.userdict[nick] = 1
-
-    def remove_user(self, nick):
-        """Remove user."""
-        for d in self.userdict, self.operdict, self.voiceddict:
-            if nick in d:
-                del d[nick]
-
-    def change_nick(self, before, after):
-        """Handle a nick change."""
-        self.userdict[after] = self.userdict.pop(before)
-        if before in self.operdict:
-            self.operdict[after] = self.operdict.pop(before)
-        if before in self.voiceddict:
-            self.voiceddict[after] = self.voiceddict.pop(before)
-
-    def set_userdetails(self, nick, details):
-        """Set user details."""
-        if nick in self.userdict:
-            self.userdict[nick] = details
-
-    def set_mode(self, mode, value=None):
-        """Set mode on the channel.
-
-        Arguments:
-
-            mode -- The mode (a single-character string).
-
-            value -- Value
-        """
-        if mode == "o":
-            self.operdict[value] = 1
-        elif mode == "v":
-            self.voiceddict[value] = 1
-        elif mode == "q":
-            self.ownerdict[value] = 1
-        elif mode == "h":
-            self.halfopdict[value] = 1
-        else:
-            self.modes[mode] = value
-
-    def clear_mode(self, mode, value=None):
-        """Clear mode on the channel.
-
-        Arguments:
-
-            mode -- The mode (a single-character string).
-
-            value -- Value
-        """
-        try:
-            if mode == "o":
-                del self.operdict[value]
-            elif mode == "v":
-                del self.voiceddict[value]
-            elif mode == "q":
-                del self.ownerdict[value]
-            elif mode == "h":
-                del self.halfopdict[value]
-            else:
-                del self.modes[mode]
-        except KeyError:
-            pass
-
-    def has_mode(self, mode):
-        """Return if mode is in channel modes."""
-        return mode in self.modes
-
-    def is_moderated(self):
-        """Return if the channel is +m."""
-        return self.has_mode("m")
-
-    def is_secret(self):
-        """Return if the channel is +s."""
-        return self.has_mode("s")
-
-    def is_protected(self):
-        """Return if the channel is +p."""
-        return self.has_mode("p")
-
-    def has_topic_lock(self):
-        """Return if the channel is +t."""
-        return self.has_mode("t")
-
-    def is_invite_only(self):
-        """Return if the channel is +i."""
-        return self.has_mode("i")
-
-    def has_allow_external_messages(self):
-        """Return if the channel is +n."""
-        return self.has_mode("n")
-
-    def has_limit(self):
-        """Return if the channel is +l."""
-        return self.has_mode("l")
-
-    def limit(self):
-        """Return the channel limit count."""
-        if self.has_limit():
-            return self.modes["l"]
-        else:
-            return None
-
-    def has_key(self):
-        """Return if the channel is +k."""
-        return self.has_mode("k")