[Answer]-Sharing variables between urlpatterns in Django

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Ok, so with {% url view_name param1 param2 ... %} you are passing arguments(param1, param2,…) to your view. view_name is the name you defined for your view in the url from urlpatterns.

Therefore, you have to use this url:

url(r'^data/<product_type>/$', DataTable.as_view(), name='DataTable'),

Then, to catch this product_type in your DataTable, you have to implement the dispatch method inside it:

def dispatch(self, request, *args, **kwargs):
        self.product_type= kwargs.pop("product_type")
        return super(LanguageMixin, self).dispatch(request, *args, **kwargs)

EDIT: Another way is to let the url as you have and use GET
If you want to pass it as a GET parameter, then the best place to catch it is inside the get_context_method:

def get_context_data(self, **kwargs):
        expand_text = self.request.GET.get('product_type')

In order to catch it as a GET parameter, you have to construct the URL properly, appending the GET parameters. Something like this:

<a href="{% url view_name %}?product_type={{ some_product_type }}">

Keep in mind that {% url view_name %} only constructs a string, does not make a redirect

👤Mihai Zamfir

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