Re: template {% url } tag syntax

[Carsten Fuchs]

Hi Richard,

Am 27.02.2017 um 04:01 schrieb Richard Belew:

{%url 'djggApp/guest'guest.guestId 'update'%}

but this generates a /NoReverseMatch/ error

/Reverse for 'djggApp/guest' with arguments '(1, u'update')' and keyword
arguments '{}' not found. 0 pattern(s) tried: []/



In the {% url %}, you use "update" as a parameter, so you should either 
write


{% url 'djggApp:updateGuest' guest.guestId %}

or, for example

url(r'^guest/(\d+)/(?P(update|something_else))$', 
login_required(views.GuestUpdate.as_view()), name='updateGuest'),


(there are alternative ways for this, e.g. using \w+)
Note that your view must deal with the new parameter.

And in the template

{% url 'djggApp:updateGuest' guest.guestId 'update' %}

Best regards,
Carsten

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Re: template {% url } tag syntax

[Richard Belew]

i should also probably say that the url spec is in the djggApp's specific 
urls.py file, included in the project's urls.py

my primary reference is the url tag reference doc 
 but i 
must not be composing its arguments correctly?

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template {% url } tag syntax

[Richard Belew]

i have a hardwired URL in my template:

/djggApp/guest/{{ guest.guestId }}/update/

that successfully matches against this url pattern:

url(r'^guest/(\d+)/update$', login_required(views.GuestUpdate.as_view()), 
name='updateGuest'),


now i am trying to replace the template code with a more modern reverse 
lookup via a url tag:

{% url 'djggApp/guest' guest.guestId 'update'%}

but this generates a *NoReverseMatch* error

*Reverse for 'djggApp/guest' with arguments '(1, u'update')' and keyword 
arguments '{}' not found. 0 pattern(s) tried: []*


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