Send nickname list in one command

telematica/ass1/server.py

@@ -160,6 +160,7 @@ class RequestHandler(AsyncBase, asyncore.dispatcher):
         >>> class DummyServer(object):
         ...     def __init__(self): self.log = None
         ...     def change_username(self, addr, username): pass
+        ...     def send_all(self, msg, sender): pass
         >>> req = RequestHandler(None, None, None, DummyServer())
         >>> assert req.parse_response('CHAT')
         >>> assert req.parse_response('USER foo')
@@ -189,11 +190,9 @@ class RequestHandler(AsyncBase, asyncore.dispatcher):
         if cmd == 'SAY':
             return self.send_all('SAY %s/%s' % (self.username, buf[4:]))
         if cmd == 'NAMES':
-            self.send_raw('+Ok:')
             clients = self.server.clients
-            for c in clients:
-                self.send_raw(clients[c].username)
-            self.send_raw('')
+            self.send_raw('+Ok:\r\n' \
+                    + '\r\n'.join([clients[c].username for c in clients]))
             return True
         return self.send_negative('Unsupported command.')