URL-parameters and logic in Django class-based views (TemplateView)

Michael Zippo

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It is unclear to me how it is best to access URL-parameters in class-based-views in Django 1.5.

Consider the following:

View:

from django.views.generic.base import TemplateView


class Yearly(TemplateView):
    template_name = "calendars/yearly.html"

    current_year = datetime.datetime.now().year
    current_month = datetime.datetime.now().month

    def get_context_data(self, **kwargs):
        context = super(Yearly, self).get_context_data(**kwargs)
        context["current_year"] = self.current_year
        context["current_month"] = self.current_month
        return context

URLCONF:

from .views import Yearly


urlpatterns = patterns("",
    url(
        regex=r"^(?P<year>d+)/$",
        view=Yearly.as_view(),
        name="yearly-view"
    ),
)

I want to access the year parameter in my view, so I can do logic like:

month_names = [
    "January", "February", "March", "April", 
    "May", "June", "July", "August", 
    "September", "October", "November", "December"
]

for month, month_name in enumerate(month_names, start=1):
    is_current = False
    if year == current_year and month == current_month:
        is_current = True
        months.append({
            "month": month,
            "name": month_name,
            "is_current": is_current
        })

How would one best access the url parameter in CBVs like the above that is subclassed of TemplateView and where should one ideally place the logic like this, eg. in a method?

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Jan Schteiner

Paris | 2023-03-21

I was preparing for my coding interview, thanks for clarifying this - URL-parameters and logic in Django class-based views (TemplateView) in Python is not the simplest one. Will use it in my bachelor thesis

Boris Wu

Paris | 2023-03-21

Simply put and clear. Thank you for sharing. URL-parameters and logic in Django class-based views (TemplateView) and other issues with Other Programming was always my weak point 😁. Will get back tomorrow with feedback

Schneider Nickolson

California | 2023-03-21

I was preparing for my coding interview, thanks for clarifying this - URL-parameters and logic in Django class-based views (TemplateView) in Python is not the simplest one. Checked yesterday, it works!