def loginout_required(function=None, redirect_field_name='index', login_url=None):
"""
Decorator for views that checks that the user is logged in, redirecting
to the log-in page if necessary.
"""
actual_decorator = user_passes_test(
lambda u: AnonymousUser.__instancecheck__(u),
login_url='index',
redirect_field_name='index',
)
if function:
return actual_decorator(function)
return actual_decorator
