90 lines
3.2 KiB
Python
90 lines
3.2 KiB
Python
# combo - content management system
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# Copyright (C) 2015 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from pkg_resources import iter_entry_points
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import logging
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from django.apps import apps
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from django.conf.urls import patterns, include, url
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logger = logging.getLogger(__name__)
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PLUGIN_GROUP_NAME = 'combo.plugin'
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class PluginError(Exception):
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pass
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def get_plugins(*args, **kwargs):
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plugins = []
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for entrypoint in iter_entry_points(PLUGIN_GROUP_NAME):
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try:
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plugin = entrypoint.load()
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except Exception, e:
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logger.exception('failed to load entrypoint %s', entrypoint)
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raise PluginError('failed to load entrypoint %s' % entrypoint, e)
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plugins.append(plugin(*args, **kwargs))
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return plugins
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def register_plugins_urls(urlpatterns):
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pre_urls = []
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post_urls = []
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for plugin in apps.get_app_configs():
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if hasattr(plugin, 'get_before_urls'):
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urls = plugin.get_before_urls()
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if urls:
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pre_urls.append(url('^', include(urls)))
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if hasattr(plugin, 'get_after_urls'):
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urls = plugin.get_after_urls()
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if urls:
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post_urls.append(url('^', include(urls)))
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pre_patterns = patterns('', *pre_urls)
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post_patterns = patterns('', *post_urls)
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return pre_patterns + urlpatterns + post_patterns
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def register_plugins_manager_urls(urlpatterns):
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pre_urls = []
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post_urls = []
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for plugin in apps.get_app_configs():
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if hasattr(plugin, 'get_before_manager_urls'):
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urls = plugin.get_before_manager_urls()
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if urls:
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pre_urls.append(url('^', include(urls)))
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if hasattr(plugin, 'get_after_manager_urls'):
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urls = plugin.get_after_manager_urls()
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if urls:
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post_urls.append(url('^', include(urls)))
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pre_patterns = patterns('', *pre_urls)
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post_patterns = patterns('', *post_urls)
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return pre_patterns + urlpatterns + post_patterns
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def register_plugins_apps(installed_apps):
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installed_apps = tuple(installed_apps)
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for plugin in get_plugins():
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if hasattr(plugin, 'get_apps'):
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installed_apps += tuple(app for app in plugin.get_apps()
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if app not in installed_apps)
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return installed_apps
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def get_extra_manager_actions():
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'''This iterates over all appconfigs and returns a list of dictionaries,
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with href and text keys.'''
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actions = []
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for plugin in apps.get_app_configs():
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if hasattr(plugin, 'get_extra_manager_actions'):
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actions.extend(plugin.get_extra_manager_actions())
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return actions
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