UPD: try to make useful test stuff.

dav_base/config/modules.py

@@ -98,8 +98,11 @@ class ModuleConfig(object):
 
         self._modules = dict()
 
-        with open(path, 'r') as f:
-            data = json.load(f)
+        if os.path.exists(path):
+            with open(path, 'r') as f:
+                data = json.load(f)
+        else:
+            data = dict()
 
         if 'modules' in data:
             for meta_dict in data['modules']:

dav_base/console_scripts/admin.py

@@ -3,6 +3,7 @@ import os
 import pkg_resources
 import posix
 import sys
+from django.core.management import execute_from_command_line
 
 from dav_base.config.modules import DJANGO_MAIN_MODULE, ModuleConfig
 
@@ -27,6 +28,25 @@ class AdminCommand(object):
         subparser.add_argument('path', metavar='PATH',
                                help='A directory, where the project files will be installed.')
 
+        subparser = subparsers.add_parser('enable_module',
+                                          help='Enable a modular app within your django-dav installation.')
+        subparser.add_argument('path', metavar='PATH',
+                               help='The directory, where your django project files are installed.')
+        subparser.add_argument('module', metavar='MODULE',
+                               help='The name of the module.')
+
+        subparser = subparsers.add_parser('disable_module',
+                                          help='Disable a modular app within your django-dav installation.')
+        subparser.add_argument('path', metavar='PATH',
+                               help='The directory, where your django project files are installed.')
+        subparser.add_argument('module', metavar='MODULE',
+                               help='The name of the module.')
+
+        subparser = subparsers.add_parser('list_modules',
+                                          help='List enabled modular apps within your django-dav installation.')
+        subparser.add_argument('path', metavar='PATH',
+                               help='The directory, where your django project files are installed.')
+
         return parser
 
     def _parse_args(self, argv=None):
@@ -91,6 +111,32 @@ class AdminCommand(object):
 
         return posix.EX_OK
 
+    def _subcmd_enable_module(self, cmd_args):
+        django_main_module = DJANGO_MAIN_MODULE
+        django_base_dir = cmd_args.path
+        module_name = cmd_args.module
+        sys.path.append(django_base_dir)
+        os.environ['DJANGO_SETTINGS_MODULE'] = '{}.settings'.format(django_main_module)
+        execute_from_command_line(['manage.py', 'enable_module', module_name])
+        return posix.EX_OK
+
+    def _subcmd_disable_module(self, cmd_args):
+        django_main_module = DJANGO_MAIN_MODULE
+        django_base_dir = cmd_args.path
+        module_name = cmd_args.module
+        sys.path.append(django_base_dir)
+        os.environ['DJANGO_SETTINGS_MODULE'] = '{}.settings'.format(django_main_module)
+        execute_from_command_line(['manage.py', 'disable_module', module_name])
+        return posix.EX_OK
+
+    def _subcmd_list_modules(self, cmd_args):
+        django_main_module = DJANGO_MAIN_MODULE
+        django_base_dir = cmd_args.path
+        sys.path.append(django_base_dir)
+        os.environ['DJANGO_SETTINGS_MODULE'] = '{}.settings'.format(django_main_module)
+        execute_from_command_line(['manage.py', 'list_modules'])
+        return posix.EX_OK
+
     def __init__(self):
         self._argparser = self._setup_argparser()
 

dav_base/tests/test_views.py

@@ -11,11 +11,13 @@ class ViewsTestCase(SimpleTestCase):
         self.assertIn('dav_base/root.html', template_names)
         context = view.get_context_data()
         self.assertIn('root_urls', context)
+        self.assertIsInstance(context['root_urls'], list)
 
     def test_integrated_root(self):
         response = self.client.get('/')
         self.assertTemplateUsed(response, 'dav_base/root.html')
         self.assertIn('root_urls', response.context, '\'root_urls\' not in context of root view')
+        self.assertIsInstance(response.context['root_urls'], list)
 
         # TODO
         # Maybe we should set a defined module config, so we could