named_with_underscores.html
(not web style dashes).generic.View
) from django.forms.generic
inherit from ContextMixin
ContextMixin
defines the method get_context_data
:
def get_context_data(self, **kwargs):
kwargs.setdefault('view', self)
if self.extra_context is not None:
kwargs.update(self.extra_context)
return kwargs
So when overriding one must be careful to extends super
's kwargs
:
def get_context_data(self, **kwargs):
kwargs = super().get_context_data(**kwargs)
kwargs['page_title'] = "Documentation"
return kwargs