That is not the point. I know I can do that, but that doesn't solve the
issue of an reusable app. I could fork the 'greeter' project, add my
namespace in the templates, and it would be all working. But still that is
not the point.
The point is: how can I write a reusable app so that someone else, that
uses it can namespace it into whatever namespace they want, and it should
still work.
On Monday, December 1, 2014 4:35:53 AM UTC+1, WongoBongo wrote:
>
> Change all instances of this in your templates
>
> {% url 'greet' greeter.pk %}
>
> To this
>
> {% url 'greeter:greet' greeter.pk %}.
>
> Since you are now using the 'greeter' namespace. Also, the other one is
>
> {% url 'greeter:list' %} and not {% url 'list' %} because you are using
> the 'greeter' namespace.
>
> K
>
> On Sunday, November 30, 2014 11:51:17 AM UTC-8, pjotr wrote:
>>
>> Alright, I'm already crazy, so the subject is a bit of a lie. But
>> nevermind.
>>
>> I think I like namespacing, it is really nice. But there is something not
>> that clear in the documentation of Django, and how to make usage of
>> namespace, in a consistent way. Lets take it by example.
>>
>> I'm using this pretty amazing app "greeter" that was written by a
>> superuser from a country far away from my own. It is a pretty simple app,
>> that has two url mappings:
>>
>> url(r'^list/$', HelloWorldList.as_view(), name='list'),
>> url(r'^greet/(?P<pk>\d+)/$', HelloWorldGreet.as_view(), name='greet'),
>>
>>
>> The template of HelloWorldList view is using the template tag url like this:
>> {% url 'greet' greeter.pk %}.
>>
>> After that I hook up the application in my project by including it in my
>> project urls.py:
>>
>> url(r'^greeter/', include('greeter.urls')),
>>
>>
>> Everything works well, I felt like a Django guru integrating the hello
>> world app to my own project. I can access /greeter/list and clicking on the
>> greetings works well.
>>
>> Later that night I go to bed, feeling confident, kissing my wife
>> goodnight with a smile on my face. I wake up warm, sweaty, with my heart
>> beating. I run to my laptop, just realized I forgot to namespace the greet
>> app, because I just realized I am using the list name in another place in
>> my project, and I don't have any automated tests, so I better namespace it
>> quickly.
>>
>> So, I change my project url mapping to this:
>>
>> url(r'^greeter/', include('greeter.urls', namespace='greeter')),
>>
>>
>> Boom crash. Visiting the /greeter/list/ page gives me:
>>
>>
>> Reverse for 'greet' with arguments '()' and keyword arguments '{pk:1}' not
>> found. 0 pattern(s) tried: []
>>
>>
>> I start to doubt the author of the 'greeter' app, that he didn't prepare his
>> app for being used in other projects, where the project might need
>> namespacing to avoid conflicts.
>>
>>
>> Digging into Django documentation, I don't really find any argument for the
>> author of the 'greeter' app to be sloppy and not caring of details.
>>
>>
>> Someone who can enlighten me why django doesn't try to default to the
>> current app when resolving namespaces? Or can someone enlighten me how I can
>> help out the author of the 'greeting' app, so it really is reusable in other
>> projects?
>>
>>
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