Mit Klassen-basierten Ansichten in Django, habe ich ein Problem Filering in einem DetailView.Django - Filterung von get_context_data
Was ich möchte, ist eine Liste aller Filme in einem bestimmten Genre, zB: Movie.objects.all().filter(genre=genre_id)
.
class GenreView(generic.DetailView):
model = Genre
template_name = 'movies/genre.html'
context_object_name = 'this_genre'
def get_context_data(self, **kwargs):
context = super(GenreView, self).get_context_data(**kwargs)
context.update({
'all_movies': Movie.objects.all().filter(genre=pk),
'all_genres': Genre.objects.all()
})
return context
ich diesen Fehler:
Traceback (most recent call last):
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\core\handler
s\base.py", line 149, in get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\core\handler
s\base.py", line 147, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\views\generi
c\base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\views\generi
c\base.py", line 88, in dispatch
return handler(request, *args, **kwargs)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\views\generi
c\detail.py", line 118, in get
context = self.get_context_data(object=self.object)
File "C:\Users\admin\trailers\movies\views.py", line 43, in get_context_data
'all_movies': Movie.objects.all().filter(genre=pk),
NameError: name 'pk' is not defined
Als ich versuchte, Movie.objects.all().filter(genre=pk)
mit Movie.objects.all().filter(genre=kwargs['pk'])
ersetzen Ich habe:
Traceback (most recent call last):
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\core\handler
s\base.py", line 149, in get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\core\handler
s\base.py", line 147, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\views\generi
c\base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\views\generi
c\base.py", line 88, in dispatch
return handler(request, *args, **kwargs)
File "C:\Program Files (x86)\Python35-32\lib\site-packages\django\views\generi
c\detail.py", line 118, in get
context = self.get_context_data(object=self.object)
File "C:\Users\admin\trailers\movies\views.py", line 43, in get_context_data
'all_movies': Movie.objects.all().filter(genre=kwargs['pk']),
KeyError: 'pk'
Ich kann nicht scheinen, um herauszufinden, was falsch ist, jede mögliche Hilfe würde werde geschätzt!
Könnten Sie bitte zeigen Sie mir Ihre URL für diese Klasse GenreView (generic.DetailView) anzeigen ?? – Rajesh
url (r '^ genre/(? P [0-9] +)/$', ansichten.GenreView.as_view(), name = 'genre') –
mari