# HG changeset patch
# User Charly COSTE <changaco@changaco.net>
# Date 1269301205 -3600
# Node ID c726e8b28318a9711e8998a716f1c81583fac786
# Parent  48cf498b96208246503f5a5b8f50dcddfcc9142a
(irclib) new exception UnknownChannel raised in ServerConnection.part

Signed-off-by: Charly COSTE <changaco@changaco.net>

diff --git a/irclib.py b/irclib.py
--- a/irclib.py
+++ b/irclib.py
@@ -411,6 +411,8 @@ class IRC:
             self.fn_to_remove_socket(connection._get_socket())
 
 
+class UnknownChannel(IRCError): pass
+
 LEFT, LEAVING, NOT_IN, JOINING, JOINED = range(5)
 
 class Channel:
@@ -1008,10 +1010,16 @@ class ServerConnection(Connection):
         """Send a PART command."""
         try:
             if isinstance(channels, basestring):
-                self.channels[channels].part(message=message)
+                try:
+                    self.channels[channels].part(message=message)
+                except KeyError:
+                    raise UnknownChannel, (channels, message, self)
             else:
                 for channel in channels:
-                    self.channels[channel].part(message=message)
+                    try:
+                        self.channels[channel].part(message=message)
+                    except KeyError:
+                        raise UnknownChannel, (channel, message, self)
         except ServerNotConnectedError:
             self.disconnect(volontary=True)
             self.connect()