Re: Reverse and kwargs...

On Tue, Oct 30, 2012 at 12:44 PM, Christophe Pettus <xof@thebuild.com> wrote:
> - vs _ ?
>

I'm sorry, I'm not experienced enough or sufficiently knowledgeable
about python or django to understand your response.

I understand that _ has some relevance as an indicator of global vars
and functions in some way.

Could you please expand on your answer for a beginner?

Cheers
L.



> On Oct 29, 2012, at 4:38 PM, Lachlan Musicman wrote:
>
>> On Tue, Oct 30, 2012 at 11:14 AM, Nikolas Stevenson-Molnar
>> <nik.molnar@consbio.org> wrote:
>>> You're close. Your reverse calls should be:
>>>
>>> return redirect(reverse('student-reports', kwargs={'year': year}))
>>
>> Thanks - that makes sense. I might have even done that previously, but
>> I am still getting errors - I must have mistakenly attributed the
>> error.
>>
>> New error is:
>> Exception Type: NoReverseMatch
>> Exception Value: Reverse for 'student-reports' with arguments '()' and
>> keyword arguments '{'year': 2013}' not found.
>>
>> but my urls.py includes these lines:
>> url(r'^students/reports/$', student_reports, name='student_reports'),
>> url(r'^students/reports/(?P<year>\d{4})/$', student_reports,
>> name='student_reports'),
>>
>>
>> and the view:
>> def student_reports(request, year=None):
>> year = year or datetime.date.today().year
>> ...
>>
>> What am I doing wrong now?
>>
>> Cheers
>> L.
>>
>>>
>>>
>>> _Nik
>>>
>>> On 10/29/2012 4:11 PM, Lachlan Musicman wrote:
>>>> Hi,
>>>>
>>>> I'm struggling to get the syntax right for a url reverse function.
>>>>
>>>> I have a form that asks for a Model type (ChoiceField with strings)
>>>> and a year (CharField).
>>>>
>>>> The logic then if/elifs the ChoiceField and then redirects to the
>>>> appropriate report page (for statistics on the Model type), with an
>>>> optional year. I've got the urls and the views working, but passing
>>>> the year arg to the view via the reverse function is not obvious to
>>>> me, and nothing I've tried seems to work?
>>>>
>>>> example code:
>>>> forms.py
>>>> class ReportRequestForm(forms.Form):
>>>> DATA_TYPES =
>>>> ((1,'Students'),(2,'Enrolments'),(3,'Applicants'),(4,'Staff'),(5,'Results'))
>>>> year = forms.CharField(max_length=4)
>>>> data_type = forms.ChoiceField(choices=DATA_TYPES)
>>>>
>>>> views.py
>>>> def ReportRequestForm(self):
>>>> ...
>>>> if form.is_valid():
>>>> year = int(form.cleaned_data['year'])
>>>> data_type = form.cleaned_data['data_type']
>>>> if data_type == '1':
>>>> return redirect(reverse('student-reports',{year=year,}))
>>>> elif data_type == '2':
>>>> return redirect(reverse('applicant-reports',{year=year,}))
>>>> elif data_type == '3':
>>>> return redirect(reverse('enrolment-reports',{year=year,}))
>>>> elif data_type == '4':
>>>> return redirect(reverse('staff-reports',{year=year,}))
>>>>
>>>>
>>>> What is the correct syntax?
>>>>
>>>> Cheers
>>>> L.
>>>>
>>>
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>>
>>
>>
>> --
>> ...we look at the present day through a rear-view mirror. This is
>> something Marshall McLuhan said back in the Sixties, when the world
>> was in the grip of authentic-seeming future narratives. He said, "We
>> look at the present through a rear-view mirror. We march backwards
>> into the future."
>>
>> http://www.warrenellis.com/?p=14314
>>
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>
> --
> -- Christophe Pettus
> xof@thebuild.com
>
> --
> You received this message because you are subscribed to the Google Groups "Django users" group.
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>



--
...we look at the present day through a rear-view mirror. This is
something Marshall McLuhan said back in the Sixties, when the world
was in the grip of authentic-seeming future narratives. He said, "We
look at the present through a rear-view mirror. We march backwards
into the future."

http://www.warrenellis.com/?p=14314

--
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