127 lines
3.9 KiB
Python
127 lines
3.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.utils.urls
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~~~~~~~~~~~~~~~~~~~~~
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URL functions for OpenSlides.
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:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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try:
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import json
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except ImportError:
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import simplejson as json
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from django.shortcuts import render_to_response, redirect
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from django.core.urlresolvers import reverse
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from django.http import HttpResponse, HttpResponseForbidden
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from django.template import RequestContext
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from django.template.loader import render_to_string
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from django.core.context_processors import csrf
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from django.contrib import messages
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from django.contrib.auth.models import Permission
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from django.db.models import signals
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from openslides.utils.signals import template_manipulation
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from openslides.utils.translation_ext import ugettext as _
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from openslides import get_version
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def revision(request):
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return {'openslides_version': get_version()}
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def gen_confirm_form(request, message, url):
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messages.warning(request, '%s<form action="%s" method="post"><input type="hidden" value="%s" name="csrfmiddlewaretoken"><input type="submit" value="%s" /> <input type="button" value="%s"></form>' % (message, url, csrf(request)['csrf_token'], _("Yes"), _("No")))
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def del_confirm_form(request, object, name=None, delete_link=None):
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if name is None:
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name = object
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if delete_link is None:
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delete_link = object.get_absolute_url('delete')
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gen_confirm_form(request, _('Do you really want to delete <b>%s</b>?') % name, delete_link)
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def render_response(req, *args, **kwargs):
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kwargs['context_instance'] = RequestContext(req)
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return render_to_response(*args, **kwargs)
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def template(template_name):
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def renderer(func):
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def wrapper(request, *args, **kwargs):
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output = func(request, *args, **kwargs)
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if not isinstance(output, dict):
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return output
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context = {}
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template_manipulation.send(sender='utils_template', request=request, context=context)
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output.update(context)
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response = render_to_response(template_name, output, context_instance=RequestContext(request))
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if 'cookie' in output:
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response.set_cookie(output['cookie'][0], output['cookie'][1])
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return response
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return wrapper
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return renderer
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def permission_required(perm, login_url=None):
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"""
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Decorator for views that checks whether a user has a particular permission
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enabled, redirecting to the log-in page if necessary.
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"""
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def renderer(func):
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def wrapper(request, *args, **kw):
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if request.user.has_perm(perm):
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return func(request, *args, **kw)
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if request.user.is_authenticated():
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return render_to_forbitten(request)
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return redirect(reverse('user_login'))
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return wrapper
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return renderer
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def render_to_forbitten(request, error=_("Sorry, you have no rights to see this page.")):
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return HttpResponseForbidden(render_to_string('403.html', {'error': error}, context_instance=RequestContext(request)))
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def delete_default_permissions(**kwargs):
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for p in Permission.objects.all():
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if p.codename.startswith('add') or p.codename.startswith('delete') or p.codename.startswith('change'):
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p.delete()
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def ajax_request(data):
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"""
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generates a HTTPResponse-Object with json-Data for a
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ajax response
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"""
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return HttpResponse(json.dumps(data))
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def _propper_unicode(text):
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res = ''
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if not isinstance(text, unicode):
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res = u"%s" % text.decode('UTF-8')
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else:
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res = text
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return res
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def decodedict(dict):
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newdict = {}
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for key in dict:
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newdict[key] = [dict[key][0].encode('utf-8')]
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return newdict
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def encodedict(dict):
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newdict = {}
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for key in dict:
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newdict[key] = [unicode(dict[key][0].decode('utf-8'))]
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return newdict
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