Re: simplifying double decorators?

Hi,

Thanks for the responses.

@Arnold:

The way I see this working is that @login_required decorator prompts the user to login if they are not already. If there is a valid user who fails the test, they login correctly, but are redirected to the homepage.

Without the @login_required, there is no prompt to login. I'm anticipating these pages being bookmarked and would like the user to be taken directly to the expected page after a successful login.

@Collin:

Thanks for the suggestion - that works!. New to me is the ...)(view) syntax. Do I understand correctly that I could add another line following the same structure and reversal of order? Eg:

@decorator1(kwarg1='testing')
@decorator2(kwarg2='something')
@decorator3

def my_view...

becomes:

def triple_decorator(view):

    view = decorator3()(view)
    view = decorator2(kwarg1='something')(view)

    return decorator1(kwarg2='testing')(view)

@triple_decorator()

def my_view...

Thanks very much!

R.

On Sun, Nov 30, 2014 at 11:48 AM, Arnold Krille <arnold@arnoldarts.de> wrote:

On Sun, 30 Nov 2014 10:30:29 -0800 Richard Brockie
<richard@ontheday.net> wrote:
> I'm running into the situation where I have several views with the
> same set of decorators:
> @login_required()
> @user_passes_test(some_test_function, login_url='/',
> redirect_field_name=None)
> def some_view(request):
>     # some code
>     return render(request, 'some_template.html', locals())
>
> How would I go about combining the two (or more) decorators into a
> single decorator that can be used instead and retain the
> functionality?

Well, if the user has to pass a test, you have to have a user first.
And unless the AnonymousUser passes your permissions tests, the
combination of "@login_required" and "@user_passes_test" is a
redundancy… At least it was in my old project I worked for where we
replaced these duplicates and used only the permissions tests and it
worked great. No user -> no permissions to check for. (Actually it was
no user -> no company & no roles -> no permissions.)

Have fun,

Arnold

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    R.

Richard Brockie

Real-time bicycle race results - www.ontheday.net

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