Django snippets

### Decorator to logout the admin from the regular pages
try:
    from functools import update_wrapper, wraps
except ImportError:
    from django.utils.functional import update_wrapper, wraps  # Python 2.4 fallback.


from django.http import HttpResponseRedirect
from django.utils.decorators import available_attrs
from django.utils.http import urlquote


def logout_user_and_redirect_on_test(test_func, redirect_url = None ):
    """ 
    Decorator for views that checks that the user passes the given test,
    redirecting to the log-in page if necessary. The test should be a callable
    that takes the user object and returns True if the user passes.
    """
    def decorator(view_func):
        def _wrapped_view(request, *args, **kwargs):
            if test_func(request.user):
                return view_func(request, *args, **kwargs)
            from django.contrib.auth import logout
            logout(request)
            
            if redirect_url:
                return HttpResponseRedirect(redirect_url)
            else :
                return HttpResponseRedirect(request.path)                
        return wraps(view_func, assigned=available_attrs(view_func))(_wrapped_view)
    return decorator

#---------------------------

def logout_admin(user):
    if user.is_authenticated and (user.is_staff or user.is_superuser):
        return False
    else :         
        return True

def logout_non_xxxxxx(user):
    try :
        if user.is_authenticated and user.xxxx_related.xxxr:
            return False
        else :         
            return True
    except :
        return False

############# sample view

@logout_user_and_redirect_on_test(logout_non_xxxxxx,'/')
@logout_user_and_redirect_on_test(logout_admin)
def some_view(request):
     return HttpResponse('Hello World')