Used entry points to detect plugins automaticly.

CHANGELOG

@@ -15,7 +15,7 @@ Files:
 - Enabled update and delete view for uploader refering to his own files.
 Other:
 - Changed widget api. Used new metaclass.
-- Changed api for plugins.
+- Changed api for plugins. Used entry points to detect them automaticly.
 - Renamed config api classes.
 - Renamed some classes of the poll api.
 - Inserted api for the personal info widget.

openslides/global_settings.py

@@ -5,6 +5,7 @@ import os
 from django.utils.translation import ugettext_lazy
 
 from openslides.utils.main import filesystem2unicode
+from openslides.utils.plugins import get_plugins_from_entry_points
 
 SITE_ROOT = os.path.realpath(os.path.dirname(__file__))
 
@@ -125,3 +126,6 @@ HAYSTACK_CONNECTIONS = {
 
 # Haystack updates search index after each save/delete action by apps
 HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
+
+# Adds all automaticly collected plugins
+INSTALLED_PLUGINS = get_plugins_from_entry_points()

openslides/utils/plugins.py

@@ -1,10 +1,20 @@
 # -*- coding: utf-8 -*-
 
 from django.utils.importlib import import_module
+from pkg_resources import iter_entry_points
 
 plugins = {}
 
 
+def get_plugins_from_entry_points():
+    """
+    Collects all entry points in the group openslides_plugins from all
+    distributions in the default working set and returns their module names as
+    tuple.
+    """
+    return tuple(entry_point.module_name for entry_point in iter_entry_points('openslides_plugins'))
+
+
 def get_plugin(plugin):
     """
     Returns the imported module. The plugin argument must be a python dotted

openslides/utils/settings.py.tpl

@@ -27,7 +27,7 @@ DATABASES = {
         'PORT': ''}}
 
 # Add OpenSlides plugins to this list (see example entry in comment)
-INSTALLED_PLUGINS = (
+INSTALLED_PLUGINS += (
 #    'pluginname',
 )
 

requirements_production.txt

@@ -7,6 +7,7 @@ django-mptt>=0.6,<0.7
 jsonfield>=0.9,<0.10
 pillow>=2.2,<2.3
 reportlab>=2.7,<2.8
+setuptools>=2.1,<2.2
 sockjs-tornado>=1.0,<1.1
 tornado>=3.1,<3.2
 whoosh>=2.5,<2.6