The Auth login method adds _next as a hidden input in the login form, so
_next ends up in both request.get_vars and request.post_vars. Because
request.vars combines get_vars and post_vars and each of those includes a
"_next" key, request.vars ends up with _next being a list including the
values from both get_vars and post_vars (which should be the same).
So, if you just want _next from the URL query string, you can use
request.get_vars._next. But why do you need that -- the auth.login() action
already handles redirecting to the _next URL after successful login?
Anthony
On Friday, October 27, 2017 at 4:46:14 AM UTC-4, Silvan Marco Fin wrote:
>
> Hi!
>
> I found the _next-parameter to become an array during login and I wonder
> if this is a feature and if I'm using it "the right way(tm)".
>
> Situation is as follows:
>
> def user():
> import logging
> logging.warn('default/user _next={}'.format(request.vars._next))
> return dict(form=auth(), next=request.vars._next)
>
> Browser displays page 'myapp/customer/accounts', the user is not logged in.
> There is a login button pointing to
> 'myapp/default/user/login?_next=/myapp/customer/accounts'.
> The user presses the login-button, gives credentials, everything fine so
> far.
>
> The user method is run twice as I understand, first to generate the form
> and then to handle the submission.
>
> I get the following output:
> WARNING:root:default/user _next=/myapp/customer/accounts
> WARNING:root:default/user _next=['/myapp/customer/accounts',
> '/myapp/customer/accounts']
>
> Next thing I do is something like
> auth.settings.login_onaccept.append(my_login_hook)
> and I expected a single valued parameter _next and I get a multi valued
> array.
>
> Is this intentional?
>
> Are the values always the same or may the values in the array differ?
> Which one is the "right one"?
>
> Kind regards,
> Silvan
>
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