properly keep track of own nickname

irc.py

@@ -1,15 +1,166 @@
 from simplesocket import ClientSocket
 from typing import Callable
+from enum import Enum
+
+
+class ServerReply(str, Enum):
+    RPL_WELCOME = "001"
+    RPL_YOURHOST = "002"
+    RPL_CREATED = "003"
+    RPL_MYINFO = "004"
+    RPL_BOUNCE = "005"
+    RPL_TRACELINK = "200"
+    RPL_TRACECONNECTING = "201"
+    RPL_TRACEHANDSHAKE = "202"
+    RPL_TRACEUNKNOWN = "203"
+    RPL_TRACEOPERATOR = "204"
+    RPL_TRACEUSER = "205"
+    RPL_TRACESERVER = "206"
+    RPL_TRACENEWTYPE = "208"
+    RPL_TRACECLASS = "209"
+    RPL_TRACERECONNECT = "210"
+    RPL_STATSLINKINFO = "211"
+    RPL_STATSCOMMANDS = "212"
+    RPL_STATSCLINE = "213"
+    RPL_STATSNLINE = "214"
+    RPL_STATSILINE = "215"
+    RPL_STATSKLINE = "216"
+    RPL_STATSYLINE = "218"
+    RPL_ENDOFSTATS = "219"
+    RPL_UMODEIS = "221"
+    RPL_SERVLIST = "234"
+    RPL_SERVLISTEND = "235"
+    RPL_STATSLLINE = "241"
+    RPL_STATSUPTIME = "242"
+    RPL_STATSOLINE = "243"
+    RPL_STATSHLINE = "244"
+    RPL_LUSERCLIENT = "251"
+    RPL_LUSEROP = "252"
+    RPL_LUSERUNKNOWN = "253"
+    RPL_LUSERCHANNELS = "254"
+    RPL_LUSERME = "255"
+    RPL_ADMINME = "256"
+    RPL_ADMINLOC1 = "257"
+    RPL_ADMINLOC2 = "258"
+    RPL_ADMINEMAIL = "259"
+    RPL_TRACELOG = "261"
+    RPL_TRACEEND = "262"
+    RPL_TRYAGAIN = "263"
+    RPL_NONE = "300"
+    RPL_AWAY = "301"
+    RPL_USERHOST = "302"
+    RPL_ISON = "303"
+    RPL_UNAWAY = "305"
+    RPL_NOWAWAY = "306"
+    RPL_WHOISUSER = "311"
+    RPL_WHOISSERVER = "312"
+    RPL_WHOISOPERATOR = "313"
+    RPL_WHOWASUSER = "314"
+    RPL_ENDOFWHO = "315"
+    RPL_WHOISIDLE = "317"
+    RPL_ENDOFWHOIS = "318"
+    RPL_WHOISCHANNELS = "319"
+    RPL_LISTSTART = "321"
+    RPL_LIST = "322"
+    RPL_LISTEND = "323"
+    RPL_CHANNELMODEIS = "324"
+    RPL_UNIQOPIS = "325"
+    RPL_NOTOPIC = "331"
+    RPL_TOPIC = "332"
+    RPL_INVITING = "341"
+    RPL_SUMMONING = "342"
+    RPL_INVITELIST = "346"
+    RPL_ENDOFINVITELIST = "347"
+    RPL_EXCEPTLIST = "348"
+    RPL_ENDOFEXCEPTLIST = "349"
+    RPL_VERSION = "351"
+    RPL_WHOREPLY = "352"
+    RPL_NAMEREPLY = "353"
+    RPL_LINKS = "364"
+    RPL_ENDOFLINKS = "365"
+    RPL_ENDOFNAMES = "366"
+    RPL_BANLIST = "367"
+    RPL_ENDOFBANLIST = "368"
+    RPL_ENDOFWHOWAS = "369"
+    RPL_INFO = "371"
+    RPL_MOTD = "372"
+    RPL_ENDOFINFO = "374"
+    RPL_MOTDSTART = "375"
+    RPL_ENDOFMOTD = "376"
+    RPL_YOUREOPER = "381"
+    RPL_REHASHING = "382"
+    RPL_YOURESERVICE = "383"
+    RPL_TIME = "391"
+    RPL_USERSTART = "392"
+    RPL_USERS = "393"
+    RPL_ENDOFUSERS = "394"
+    RPL_NOUSERS = "395"
+    ERR_NOSUCHNICK = "401"
+    ERR_NOSUCHSERVER = "402"
+    ERR_NOSUCHCHANNEL = "403"
+    ERR_CANNOTSENDTOCHAN = "404"
+    ERR_TOOMANYCHANNELS = "405"
+    ERR_WASNOSUCHNICK = "406"
+    ERR_TOOMANYTARGETS = "407"
+    ERR_NOSUCHSERVICE = "408"
+    ERR_NOORIGIN = "409"
+    ERR_NORECIPIENT = "411"
+    ERR_NOTEXTTOSEND = "412"
+    ERR_NOTOPLEVEL = "413"
+    ERR_WILDTOPLEVEL = "414"
+    ERR_BANMASK = "415"
+    ERR_UNKNOWNCOMMAND = "421"
+    ERR_NOMOTD = "422"
+    ERR_NOADMININFO = "423"
+    ERR_FILEERROR = "424"
+    ERR_NONICKNAMEGIVEN = "431"
+    ERR_ERRONEUSNICKNAME = "432"
+    ERR_NICKNAMEINUSE = "433"
+    ERR_NICKCOLLISION = "436"
+    ERR_UNAVAILRESOURCE = "437"
+    ERR_USERNOTINCHANNEL = "441"
+    ERR_NOTOONCHANNEL = "442"
+    ERR_USERONCHANNEL = "443"
+    ERR_NOLOGIN = "444"
+    ERR_SUMMONDISABLED = "445"
+    ERR_USERSDISABLED = "446"
+    ERR_NOTREGISTERED = "451"
+    ERR_NEEDMOREPARAMS = "461"
+    ERR_ALREADYREGISTERED = "462"
+    ERR_NOPERMFORHOST = "463"
+    ERR_PASSWDMISMATH = "464"
+    ERR_YOUREBANNEDCREEP = "465"
+    ERR_YOUWILLBEBANNED = "466"
+    ERR_KEYSET = "467"
+    ERR_CHANNELISFULL = "471"
+    ERR_UNKNOWNMODE = "472"
+    ERR_INVITEONLYCHAN = "473"
+    ERR_BANNEDFROMCHAN = "474"
+    ERR_BADCHANNELKEY = "475"
+    ERR_BADCHANMASK = "476"
+    ERR_BASCHANMODES = "477"
+    ERR_BANLISTFULL = "478"
+    ERR_NOPRIVILEGES = "481"
+    ERR_CHANOPRIVSNEEDED = "482"
+    ERR_CANTKILLSERVER = "483"
+    ERR_RESTRICTED = "484"
+    ERR_UNIQOPPRIVSNEEDED = "485"
+    ERR_NOOPERHOST = "491"
+    ERR_UMODEUNKNOWNFLAG = "501"
+    ERR_USERSDONTMATCH = "502"
 
 
 class Client:
     def __init__(self, server: str, port: int, nick: str, username: str, realname: str = "Python Bot"):
-        self.nickname = nick
+        self.nickname = None
         self.__server = ClientSocket(server, port)
         self.__server.sendline("USER %s ignore ignore :%s" % (username, realname))
-        self.__server.sendline("NICK %s" % self.nickname)
+        self.__server.sendline("NICK %s" % nick)
         self.__function_register = {
-            'NICK': self.on_nick
+            ServerReply.RPL_WELCOME: self.on_welcome,
+            ServerReply.ERR_NICKNAMEINUSE: self.on_nickname_in_use,
+            'NICK': self.on_nick,
+            '__default__': self.unhandled_server_message,
         }
         self.receive()
 
@@ -21,21 +172,33 @@ class Client:
                 continue
 
             (msg_from, msg_type, msg_to, *msg) = line[1:].split()
-            if msg_type == "433":
+            if msg[0].startswith(":"):
-                self.nickname = msg[0] + "_"
+                msg[0] = msg[0][1:]
-                self.__server.sendline("NICK %s" % self.nickname)
+            message = " ".join(msg)
-            else:
+
             if msg_type in self.__function_register:
-                    self.__function_register[msg_type](msg_from, msg_to, " ".join(msg)[1:])
+                self.__function_register[msg_type](msg_from, msg_to, message)
+            else:
+                self.__function_register['__default__'](msg_from, msg_type, msg_to, message)
 
     def register(self, msg_type: str, func: Callable[..., None]):
         self.__function_register[msg_type] = func
 
-    def on_nick(self, old_nick: str, new_nick: str, _):
+    def on_welcome(self, msg_from: str, msg_to: str, message: str):
+        self.nickname = msg_to
+
+    def on_nickname_in_use(self, msg_from: str, msg_to: str, message: str):
+        if self.nickname is None:
+            self.nick(message.split()[0] + "_")
+
+    def on_nick(self, old_nick: str, new_nick: str, message: str):
         old_nick = old_nick.split("!")[0]
         if old_nick == self.nickname:
             self.nickname = new_nick[1:]
 
+    def unhandled_server_message(self, msg_from: str, msg_type: str, msg_to: str, message: str):
+        print(msg_from, msg_type, msg_to, message)
+
     def nick(self, new_nick: str):
         self.__server.sendline("NICK %s" % new_nick)