Change API for plugins, esp. for names and versions of plugins. Also enhance possibility to patch existing OpenSlides urlpatterns.

Fix some other tests by the way.

CHANGELOG

@@ -14,6 +14,7 @@ Files:
 - Enabled update and delete view for uploader refering to his own files.
 Other:
 - Changed widget api. Used new metaclass.
+- Changed api for plugins.
 
 
 Version 1.5.1 (unreleased)

openslides/core/templates/core/version.html

@@ -7,8 +7,14 @@
 {% block content %}
     <h1>{% trans 'Version' %}</h1>
     <ul>
-    {% for version in versions %}
-        <li>{{ version.0 }} – {% trans 'Version' %} {{ version.1 }}</li>
+    {% for module in modules %}
+        <li>
+            {{ module.verbose_name }}
+            {% if module.description %}
+                ({{ module.description }})
+            {% endif %}
+            – {% trans 'Version' %} {{ module.version }}
+        </li>
     {% endfor %}
     </ul>
 {% endblock %}

openslides/core/views.py

@@ -5,8 +5,10 @@ from django.core.exceptions import PermissionDenied
 from django.utils.importlib import import_module
 from haystack.views import SearchView as _SearchView
 
-from openslides import get_git_commit_id, get_version, RELEASE
+from openslides import get_version as get_openslides_version
+from openslides import get_git_commit_id, RELEASE
 from openslides.config.api import config
+from openslides.utils.plugins import get_plugin_description, get_plugin_verbose_name, get_plugin_version
 from openslides.utils.signals import template_manipulation
 from openslides.utils.views import TemplateView
 
@@ -22,41 +24,19 @@ class VersionView(TemplateView):
         Adds version strings to the context.
         """
         context = super(VersionView, self).get_context_data(**kwargs)
-
         # OpenSlides version. During development the git commit id is added.
-        openslides_version_string = get_version()
-        if not RELEASE:
-            openslides_version_string += ' – Commit %s' % get_git_commit_id()
-        context['versions'] = [('OpenSlides', openslides_version_string)]
-
+        if RELEASE:
+            description = ''
+        else:
+            description = 'Commit %s' % get_git_commit_id()
+        context['modules'] = [{'verbose_name': 'OpenSlides',
+                               'description': description,
+                               'version': get_openslides_version()}]
         # Versions of plugins.
         for plugin in settings.INSTALLED_PLUGINS:
-            # Get plugin
-            try:
-                mod = import_module(plugin)
-            except ImportError:
-                continue
-
-            # Get version.
-            try:
-                plugin_version = mod.get_version()
-            except AttributeError:
-                try:
-                    plugin_version = mod.VERSION
-                except AttributeError:
-                    continue
-
-            # Get name.
-            try:
-                plugin_name = mod.get_name()
-            except AttributeError:
-                try:
-                    plugin_name = mod.NAME
-                except AttributeError:
-                    plugin_name = mod.__name__.split('.')[0]
-
-            context['versions'].append((plugin_name, plugin_version))
-
+            context['modules'].append({'verbose_name': get_plugin_verbose_name(plugin),
+                                       'description': get_plugin_description(plugin),
+                                       'version': get_plugin_version(plugin)})
         return context
 
 

openslides/urls.py

@@ -2,11 +2,22 @@
 
 from django.conf import settings
 from django.conf.urls import include, patterns, url
-from django.utils.importlib import import_module
+
+from openslides.utils.plugins import get_urlpatterns
 
 handler500 = 'openslides.utils.views.server_error'
 
-urlpatterns = patterns(
+urlpatterns = []
+
+js_info_dict = {'packages': []}
+
+for plugin in settings.INSTALLED_PLUGINS:
+    plugin_urlpatterns = get_urlpatterns(plugin)
+    if plugin_urlpatterns:
+        urlpatterns += plugin_urlpatterns
+        js_info_dict['packages'].append(plugin)
+
+urlpatterns += patterns(
     '',
     (r'^agenda/', include('openslides.agenda.urls')),
     (r'^motion/', include('openslides.motion.urls')),
@@ -18,19 +29,6 @@ urlpatterns = patterns(
     (r'^i18n/', include('django.conf.urls.i18n')),
 )
 
-js_info_dict = {'packages': []}
-
-for plugin in settings.INSTALLED_PLUGINS:
-    try:
-        mod = import_module(plugin + '.urls')
-    except ImportError:
-        continue
-
-    plugin_name = mod.__name__.split('.')[0]
-    urlpatterns += patterns('', (r'^%s/' % plugin_name, include('%s.urls'
-                                                                % plugin)))
-    js_info_dict['packages'].append(plugin)
-
 # TODO: move this patterns into core or the participant app
 urlpatterns += patterns(
     '',

openslides/utils/plugins.py

@@ -0,0 +1,82 @@
+# -*- coding: utf-8 -*-
+
+from django.utils.importlib import import_module
+
+plugins = {}
+
+
+def get_plugin(plugin):
+    """
+    Returns the imported module. The plugin argument must be a python dotted
+    module path.
+    """
+    try:
+        plugin = plugins[plugin]
+    except KeyError:
+        plugins[plugin] = import_module(plugin)
+        plugin = get_plugin(plugin)
+    return plugin
+
+
+def get_plugin_verbose_name(plugin):
+    """
+    Returns the verbose name of a plugin. The plugin argument must be a python
+    dotted module path.
+    """
+    plugin = get_plugin(plugin)
+    try:
+        verbose_name = plugin.get_verbose_name()
+    except AttributeError:
+        try:
+            verbose_name = plugin.__verbose_name__
+        except AttributeError:
+            verbose_name = plugin.__name__
+    return verbose_name
+
+
+def get_plugin_description(plugin):
+    """
+    Returns the short descrption of a plugin. The plugin argument must be a
+    python dotted module path.
+    """
+    plugin = get_plugin(plugin)
+    try:
+        description = plugin.get_description()
+    except AttributeError:
+        try:
+            description = plugin.__description__
+        except AttributeError:
+            description = ''
+    return description
+
+
+def get_plugin_version(plugin):
+    """
+    Returns the version string of a plugin. The plugin argument must be a#
+    python dotted module path.
+    """
+    plugin = get_plugin(plugin)
+    try:
+        version = plugin.get_version()
+    except AttributeError:
+        try:
+            version = plugin.__version__
+        except AttributeError:
+            version = 'unknown'
+    return version
+
+
+def get_urlpatterns(plugin):
+    """
+    Returns the urlpatterns object for a plugin. The plugin argument must be
+    a python dotted module path.
+    """
+    plugin = get_plugin(plugin)
+    try:
+        urlpatterns = plugin.urlpatterns
+    except AttributeError:
+        try:
+            urlpatterns = plugin.urls.urlpatterns
+        except AttributeError:
+            urlpatterns = None
+    return urlpatterns

tests/core/test_views.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from django.test.client import Client
-from mock import MagicMock, patch
+from mock import patch
 
 from openslides import get_version
 from openslides.agenda.models import Item
@@ -23,24 +23,10 @@ class VersionViewTest(TestCase):
     @patch('openslides.core.views.settings')
     def test_with_missing_plugin(self, mock_settings):
         """
-        Tests that an not existing app does not appear on the version view.
+        Tests that a not existing app does not appear on the version view.
         """
         mock_settings.INSTALLED_PLUGINS = ('unexisting_app_nvhbkdfgmnsd',)
-        response = self.client.get('/version/')
-        self.assertNotContains(response, 'unexisting_app_nvhbkdfgmnsd', status_code=200)
-
-    @patch('openslides.core.views.settings')
-    @patch('openslides.core.views.import_module')
-    def test_with_plugin_without_version(self, mock_import_module, mock_settings):
-        """
-        Tests that an exisiting app does not appear in the version view if
-        there are no version data.
-        """
-        mock_settings.INSTALLED_PLUGINS = ('existing_app_without_version',)
-        mock_module = MagicMock(spec=['some_useless_attribute_ghbnckj756j36'])
-        mock_import_module.configure_mock(return_value=mock_module)
-        response = self.client.get('/version/')
-        self.assertNotContains(response, 'unexisting_app_nvhbkdfgmnsd', status_code=200)
+        self.assertRaises(ImportError, self.client.get, '/version/')
 
 
 class SearchViewTest(TestCase):

tests/plugin_api/test_plugin_api.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+
+from django.test.client import Client
+from django.test.utils import override_settings
+
+from openslides.utils.test import TestCase
+
+
+@override_settings(INSTALLED_PLUGINS=('tests.plugin_api.test_plugin_one',))
+class TestPluginOne(TestCase):
+    urls = 'tests.plugin_api.urls'  # Use reloaded urlpatterns for this TestCase
+
+    def setUp(self):
+        self.admin_client = Client()
+        self.admin_client.login(username='admin', password='admin')
+
+    def test_version_page(self):
+        response = self.admin_client.get('/version/')
+        self.assertContains(response, 'Test Plugin ta3Ohmaiquee2phaf9ei')
+        self.assertContains(response, '(Short description of test plugin Sah9aiQuae5hoocai7ai)')
+        self.assertContains(response, '– Version test_version_string_MoHonepahfofiree6Iej')
+
+    def test_url_patterns(self):
+        response = self.admin_client.get('/test_plugin_one_url_Eexea4nie1fexaax3oX7/')
+        self.assertRedirects(response, '/version/')
+
+
+@override_settings(INSTALLED_PLUGINS=('tests.plugin_api.test_plugin_two',))
+class TestPluginTwo(TestCase):
+    def test_version_page(self):
+        admin_client = Client()
+        admin_client.login(username='admin', password='admin')
+        response = admin_client.get('/version/')
+        self.assertContains(response, 'tests.plugin_api.test_plugin_two')
+        self.assertContains(response, '– Version unknown')

tests/plugin_api/test_plugin_one/__init__.py

@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+
+from django.conf.urls import patterns, url
+from django.views.generic import RedirectView
+
+__verbose_name__ = 'Test Plugin ta3Ohmaiquee2phaf9ei'
+__version__ = 'test_version_string_MoHonepahfofiree6Iej'
+__description__ = 'Short description of test plugin Sah9aiQuae5hoocai7ai'
+
+urlpatterns = patterns(
+    '',
+    url(r'^test_plugin_one_url_Eexea4nie1fexaax3oX7/$',
+        RedirectView.as_view(pattern_name='core_version', permanent=False)))

tests/plugin_api/urls.py

@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from openslides import urls
+
+reload(urls)
+
+urlpatterns = urls.urlpatterns

tests/utils/urls.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from django.conf.urls import patterns, url
 
 from openslides.urls import urlpatterns