Re: Problem with url tag

[patrick91]

Resolved, if I could say so :)

the problem was that I can't use reverse in forms.py 'cause is to
early for doing that :(
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Re: Problem with url tag

[patrick91]

Almost resolved :)

I tried everything to find the error and finally I did, but I don't
know how to resolve :(

the error is casued by this line in a imported script:

CITY_URL = reverse('get_city_list')

if I remove that line the project works fine, but I need that line :(

Ps. the url get_city_list is correct indeed when I call this template:

{% url get_city_list %}

i get the url without errors, also when, from a view I call this code:

print reverse('get_city_list')

in the console I could see the correct url.

PS. The file with the line:
CITY_URL = reverse('get_city_list')

is in the same directory as the urls.py with the get_city_list url

could this help?


Thanks for any reply :)
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Re: Problem with url tag

[patrick91]

This is really boring :(
I've restarted the server, and it doens't work again :/
also I've noticed that no urls in reparations.urls can't be called
with the template tag url...
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Re: Problem with url tag

[patrick91]

What a strangeness!
I edit the template removing the extend tag, and it worked, next I
readded the extend and it still worked :O

this is really strange :/
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Re: Problem with url tag

[patrick91]

On 22 Dic, 09:24, Malcolm Tredinnick  wrote:
> Okay, nothing unexpected there. If I use the same lines with a dummy
> view file, things certainly seem to work.
>
> The confusing thing here is that the url template tag is a relatively
> simple wrapper around reverse(), so there aren't many places for things
> to go wrong. Still, let's see what might be happening. I'm assuming in
> what follows that you're either running Django 1.0.2 or something later
> from the 1.0.X branch or Django trunk. All those versions have basically
> the same code in place with all the relevant fixes for reverse().
>
> Add some debug printing to django/template/defaulttags.py in the URLNode
> class. In particular, in the render() method where it says
>
>         args = [arg.resolve(context) for arg in self.args]
>
> (line 361 in 1.0.X, line 371 in trunk).
>
> What I'm interested in seeing is what are the values and types of the
> elements in the args list. So the output of something like
>
>         print [(repr(x), type(x)) for x in args]
>
Instead of editing django core, could I create a template tag?
I think it is better

> would be interesting. Somehow -- and I don't know how or why, yet -- the
> value of worksheet.number might not be turning out as expected. Although
> the error message does make it seem like you're passing in a number
> correctly.
>
> I'll admit I'm grasping at straws a bit here, but this is the kind of
> thing that you really have to debug at the source, line by line.
> Ideally, we need to work out if the exact same data, of the exact same
> type is being passed into the reverse() calls for the tag version. If it
> is the exact same piece of data, there's something else going on.
> Somehow, when you're running under the web server, the setup is subtly
> different to the shell code. That's going to be a little tougher to
> debug.
>
> Oh ... other idea. Try some experiments like this:
>
>         In [3]: from django.template import Template, Context
>
>         In [4]: t = Template("{% url show_worksheet 5537 %}")
>
>         In [5]: t.render(Context())
>         Out[5]: u'/foglio/5537/'
>
> That shows the url tag is working in my setup when I pass in a constant
> argument. Perhaps you can arrange a shell-prompt version with
> worksheet.number set up exactly as in the template that is failing for
> you. Would be interesting to see if you can make things fail for the url
> tag at the shell prompt whilst reverse() for the same thing works.
>
I tried it and it worked :)
also i tried with passing the WorkSheet object:

>>> from django.template import Template, Context
>>> from reparations.models import WorkSheet
>>> w = WorkSheet.objects.get(pk=1)
>>> c = Context({ 'w': w })
>>> t = Template("{% url show_worksheet w.number  %}")
>>> t.render(c)
u'/riparazioni/foglio/5537/'

> Regards,
> Malcolm
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Re: Problem with url tag

[patrick91]

On 22 Dic, 02:17, Malcolm Tredinnick  wrote:
> Certainly a bit unexpected. Can you paste the relevant lines from your
> URL Conf file, please?
>
> Regards,
> Malcolm

Sure :)
here it is:
url(r'foglio/(?P[0-9]+)/$', views.show_worksheet,
name='show_worksheet'),

Thanks for the reply
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Problem with url tag

[patrick91]

Hi, I've a problem with the url tag, when I call this template:
Visualizza
I get this error:
Caught an exception while rendering: Reverse for
'catsnc.show_worksheet' with arguments '(5537,)' and keyword arguments
'{}' not found.

But when I call this code from the shell:
>>> from django.core.urlresolvers import reverse
>>> reverse('show_worksheet', args=(5537,))
I get the url:
'/riparazioni/foglio/5537/'

could you help me to resolve this problem?

Thanks :)

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Re: Problem with self.field.save()

[patrick91]

nothing? :(
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