140 lines
4.0 KiB
Python
140 lines
4.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.config.models
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~~~~~~~~~~~~~~~~~~~~~~~~
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Models for the config app.
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:copyright: 2011 by the OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from pickle import dumps, loads
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import base64
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from django.db import models
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from django.dispatch import receiver
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from utils.translation_ext import ugettext as _
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from openslides.config.signals import default_config_value
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import settings
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class ConfigStore(models.Model):
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key = models.CharField(max_length=100, primary_key=True)
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value = models.CharField(max_length=100)
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def __unicode__(self):
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return self.key
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class Meta:
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verbose_name = 'config'
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permissions = (
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('can_manage_config', _("Can manage configuration", fixstr=True)),
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)
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# TODO:
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# I used base64 to save pickled Data, there has to be another way see:
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# http://stackoverflow.com/questions/2524970/djangounicodedecodeerror-while-storing-pickled-data
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class Config(object):
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def load_config(self):
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self.config = {}
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for key, value in ConfigStore.objects.all().values_list():
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self.config[key] = loads(base64.decodestring(str(value)))
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def __getitem__(self, key):
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try:
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self.config
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except AttributeError:
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self.load_config()
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try:
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return self.config[key]
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except KeyError:
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pass
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for receiver, value in default_config_value.send(sender='config', key=key):
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if value is not None:
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return value
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if settings.DEBUG:
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print "No default value for: %s" % key
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return None
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def __setitem__(self, key, value):
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try:
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c = ConfigStore.objects.get(pk=key)
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except ConfigStore.DoesNotExist:
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c = ConfigStore(pk=key)
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c.value = base64.encodestring(dumps(value))
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c.save()
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try:
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self.config[key] = value
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except AttributeError:
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self.load_config()
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self.config[key] = value
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config = Config()
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@receiver(default_config_value, dispatch_uid="config_default_config")
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def default_config(sender, key, **kwargs):
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return {
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'event_name': _('OpenSlides'),
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'event_description': _('Presentation and voting system'),
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'event_date': '',
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'event_location': '',
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'event_organizer': '',
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'presentation': '',
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'frontpage_title': _('Welcome'),
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'frontpage_welcometext': _('Welcome to OpenSlides!'),
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'show_help_text': True,
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'help_text': _('If you need any help with OpenSlides, you can find commercial support on the <a href="http://openslides.org/en/support">OpenSlides webpage</a>.'),
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'system_enable_anonymous': False,
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}.get(key)
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from django.dispatch import receiver
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from django.core.urlresolvers import reverse
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from django.utils.importlib import import_module
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import settings
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from openslides.utils.signals import template_manipulation
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@receiver(template_manipulation, dispatch_uid="config_submenu")
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def set_submenu(sender, request, context, **kwargs):
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if not request.path.startswith('/config/'):
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return None
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menu_links = [
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(reverse('config_general'), _('General'), request.path == reverse('config_general') ),
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]
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for app in settings.INSTALLED_APPS:
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try:
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mod = import_module(app)
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views = mod.views
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views.Config
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except (ImportError, AttributeError):
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continue
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appname = mod.__name__.split('.')[0]
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selected = reverse('config_%s' % appname) == request.path
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try:
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title = mod.NAME
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except AttributeError:
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title = appname.title()
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menu_links.append(
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(reverse('config_%s' % appname), _(title), selected)
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)
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menu_links.append (
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(reverse('config_version'), _('Version'), request.path == reverse('config_version') )
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)
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context.update({
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'menu_links': menu_links,
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})
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