Url and Page classes used to encapsulate the "site map" information (URL
regular expressions, Django views, menu item names, etc.) and the relation
between pages in the site map.
There are still lots of TODOs in this first pass.
Patch by: Todd Larsen
Review by: to-be-reviewed
"""
A set of request processors that return dictionaries to be merged into a
template context. Each function takes the request object as its only parameter
and returns a dictionary to add to the context.
These are referenced from the setting TEMPLATE_CONTEXT_PROCESSORS and used by
RequestContext.
"""
from django.conf import settings
def auth(request):
"""
Returns context variables required by apps that use Django's authentication
system.
If there is no 'user' attribute in the request, uses AnonymousUser (from
django.contrib.auth).
"""
if hasattr(request, 'user'):
user = request.user
else:
from django.contrib.auth.models import AnonymousUser
user = AnonymousUser()
return {
'user': user,
'messages': user.get_and_delete_messages(),
'perms': PermWrapper(user),
}
def debug(request):
"Returns context variables helpful for debugging."
context_extras = {}
if settings.DEBUG and request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS:
context_extras['debug'] = True
from django.db import connection
context_extras['sql_queries'] = connection.queries
return context_extras
def i18n(request):
context_extras = {}
context_extras['LANGUAGES'] = settings.LANGUAGES
if hasattr(request, 'LANGUAGE_CODE'):
context_extras['LANGUAGE_CODE'] = request.LANGUAGE_CODE
else:
context_extras['LANGUAGE_CODE'] = settings.LANGUAGE_CODE
from django.utils import translation
context_extras['LANGUAGE_BIDI'] = translation.get_language_bidi()
return context_extras
def media(request):
"""
Adds media-related context variables to the context.
"""
return {'MEDIA_URL': settings.MEDIA_URL}
def request(request):
return {'request': request}
# PermWrapper and PermLookupDict proxy the permissions system into objects that
# the template system can understand.
class PermLookupDict(object):
def __init__(self, user, module_name):
self.user, self.module_name = user, module_name
def __repr__(self):
return str(self.user.get_all_permissions())
def __getitem__(self, perm_name):
return self.user.has_perm("%s.%s" % (self.module_name, perm_name))
def __nonzero__(self):
return self.user.has_module_perms(self.module_name)
class PermWrapper(object):
def __init__(self, user):
self.user = user
def __getitem__(self, module_name):
return PermLookupDict(self.user, module_name)