Fix various error on DCC connection and post treated messages

bot.py

@@ -28,6 +28,7 @@ import event
 import hooks
 from networkbot import NetworkBot
 from IRCServer import IRCServer
+from DCC import DCC
 import response
 
 ID_letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
@@ -94,7 +95,7 @@ class Bot:
 
     def _ctcp_dcc(self, srv, msg):
         """Response to DCC CTCP message"""
-        ip = self.srv.toIP(int(msg.cmds[3]))
+        ip = srv.toIP(int(msg.cmds[3]))
         conn = DCC(srv, msg.sender)
         if conn.accept_user(ip, int(msg.cmds[4])):
             srv.dcc_clients[conn.sender] = conn

modules/alias/__init__.py

@@ -109,7 +109,10 @@ def replace_variables(cnt, msg=None):
 
 def treat_variables(res):
     for i in range(0, len(res.messages)):
-        res.messages[i] = replace_variables(res.messages[i], res)
+        if isinstance(res.messages[i], list):
+            res.messages[i] = replace_variables(", ".join(res.messages[i]), res)
+        else:
+            res.messages[i] = replace_variables(res.messages[i], res)
     return True
 
 def treat_alias(msg, hooks_cache):

response.py

@@ -41,10 +41,14 @@ class Response:
 
     @property
     def content(self):
-        if self.title is not None:
-            return self.title + ", ".join(self.messages)
-        else:
-            return ", ".join(self.messages)
+        #FIXME: error when messages in self.messages are list!
+        try:
+            if self.title is not None:
+                return self.title + ", ".join(self.messages)
+            else:
+                return ", ".join(self.messages)
+        except:
+            return ""
 
     def set_sender(self, sender):
         if sender is None or sender.find("!") < 0: