mumble: Use new setup mechanism

plinth/modules/mumble/__init__.py

@@ -26,21 +26,38 @@ from plinth import cfg
 from plinth import service as service_module
 
 
+version = 1
+
 depends = ['apps']
 
+title = _('Voice Chat (Mumble)')
+
+description = [
+    _('Mumble is an open source, low-latency, encrypted, high quality '
+      'voice chat software.'),
+
+    _('You can connect to your Mumble server on the regular Mumble port '
+      '64738. <a href="http://mumble.info">Clients</a> to connect to Mumble '
+      'from your desktop and Android devices are available.')
+]
+
 service = None
 
 
 def init():
     """Intialize the Mumble module."""
     menu = cfg.main_menu.get('apps:index')
-    menu.add_urlname(_('Voice Chat (Mumble)'), 'glyphicon-headphones',
-                     'mumble:index', 900)
+    menu.add_urlname(title, 'glyphicon-headphones', 'mumble:index', 900)
 
     global service
     service = service_module.Service(
-        'mumble-plinth', _('Mumble Voice Chat Server'),
-        is_external=True, enabled=is_enabled())
+        'mumble-plinth', title, is_external=True, enabled=is_enabled())
+
+
+def setup(helper, old_version=None):
+    """Install and configure the module."""
+    helper.install(['mumble-server'])
+    helper.call('post', service.notify_enabled, None, True)
 
 
 def is_enabled():

plinth/modules/mumble/templates/mumble.html

@@ -1,4 +1,4 @@
-{% extends "base.html" %}
+{% extends "app.html" %}
 {% comment %}
 #
 # This file is part of Plinth.
@@ -21,25 +21,7 @@
 {% load bootstrap %}
 {% load i18n %}
 
-{% block content %}
-
-  <h2>{% trans "Voice Chat (Mumble)" %}</h2>
-
-  <p>
-    {% blocktrans trimmed %}
-      Mumble is an open source, low-latency, encrypted, high quality
-      voice chat software.
-    {% endblocktrans %}
-  </p>
-
-  <p>
-    {% blocktrans trimmed %}
-      You can connect to your Mumble server on the regular Mumble port 64738.
-      <a href="http://mumble.info">Clients</a> to connect to Mumble
-      from your desktop and Android devices are available.
-    {% endblocktrans %}
-  </p>
-
+{% block configuration %}
 
   <h3>{% trans "Status" %}</h3>
 

plinth/modules/mumble/views.py

@@ -26,18 +26,11 @@ import logging
 
 from .forms import MumbleForm
 from plinth import actions
-from plinth import package
 from plinth.modules import mumble
 
 logger = logging.getLogger(__name__)
 
 
-def on_install():
-    """Notify that the service is now enabled."""
-    mumble.service.notify_enabled(None, True)
-
-
-@package.required(['mumble-server'], on_install=on_install)
 def index(request):
     """Serve configuration page."""
     status = get_status()
@@ -55,7 +48,8 @@ def index(request):
         form = MumbleForm(initial=status, prefix='mumble')
 
     return TemplateResponse(request, 'mumble.html',
-                            {'title': _('Voice Chat (Mumble)'),
+                            {'title': mumble.title,
+                             'description': mumble.description,
                              'status': status,
                              'form': form})