Improve context creation and lowercasing

src/channels.py

@@ -62,8 +62,8 @@ class Channel(IRCContext):
 
     is_channel = True
 
-    def __init__(self, name, client, **kwargs):
-        super().__init__(name, client, **kwargs)
+    def __init__(self, name, client):
+        super().__init__(name, client)
         self.users = set()
         self.modes = {}
         self.timestamp = None

src/context.py

@@ -39,13 +39,15 @@ def context_types(*types):
 class IRCContext:
     """Base class for channels and users."""
 
-    def __init__(self, name, client, *, ref=None):
+    def __init__(self, name, client):
         self.name = name
         self.client = client
-        self.ref = ref
+        self.ref = None
 
     def lower(self):
-        return type(self)(lower(name), client, ref=(self.ref or self))
+        temp = type(self)(lower(name), client)
+        temp.ref = self.ref or self
+        return temp
 
     def get_send_type(self, *, is_notice=False, is_privmsg=False):
         if is_notice and not is_privmsg:

src/users.py

@@ -171,9 +171,9 @@ class User(IRCContext):
 
     _messages = defaultdict(list)
 
-    def __new__(cls, cli, nick, ident, host, realname, account, **kwargs):
+    def __new__(cls, cli, nick, ident, host, realname, account):
         self = super().__new__(cls)
-        super(User, self).__init__(nick, cli, **kwargs)
+        super(User, self).__init__(nick, cli)
 
         self._ident = ident
         self._host = host
@@ -229,7 +229,10 @@ class User(IRCContext):
         return done
 
     def lower(self):
-        return type(self)(self.client, lower(self.nick), lower(self.ident), lower(self.host), lower(self.realname), lower(self.account), channels, ref=(self.ref or self))
+        temp = type(self)(self.client, lower(self.nick), lower(self.ident), lower(self.host), lower(self.realname), lower(self.account))
+        temp.channels = self.channels
+        temp.ref = self.ref or self
+        return temp
 
     def is_owner(self):
         if self.is_fake: