OpenSlides/openslides/core/views.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.core.views
~~~~~~~~~~~~~~~~~~~~~
Views for the core app.
:copyright: 20112013 by OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from django.conf import settings
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.utils.signals import template_manipulation
from openslides.utils.views import TemplateView
class VersionView(TemplateView):
"""
Shows version infos.
"""
template_name = 'core/version.html'
def get_context_data(self, **kwargs):
"""
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)]
# 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))
return context
class SearchView(_SearchView):
"""
Shows search result page.
"""
template = 'core/search.html'
def __call__(self, request):
if not request.user.is_authenticated():
raise PermissionDenied
return super(SearchView, self).__call__(request)
def extra_context(self):
"""
Adds extra context variables to set navigation and search filter.
Returns a context dictionary.
"""
context = {}
template_manipulation.send(
sender=self.__class__, request=self.request, context=context)
context['models'] = self.get_indexed_searchmodels()
context['get_values'] = self.request.GET.getlist('models')
return context
def get_indexed_searchmodels(self):
"""
Iterate over all INSTALLED_APPS and return a list of models which are
indexed by haystack/whoosh for using in customized model search filter
in search template search.html. Each list entry contains a verbose name
of the model and a special form field value for haystack (app_name.model_name),
e.g. ['Agenda', 'agenda.item'].
"""
models = []
# TODO: cache this query!
for app in settings.INSTALLED_APPS:
try:
module = import_module(app + '.search_indexes')
except ImportError:
pass
else:
models.append([module.Index.modelfilter_name, module.Index.modelfilter_value])
return models