Como obtener multiples argumentos desde la url

multiple_url_arguments.py

# view
def imprescindibles_playlist(request, id_category, id_parent):
    playlist = None
    parent = None
    last_categoty = None
    audios = None
    paginator = None
    page = 1

    try:
        category = Category.objects.get(id=id_category)
        parent = Category.objects.get(id=id_parent)

        if request.GET.has_key('page'):
            page = request.GET.get('page')

        try:
            playlist = Playlist.objects.filter(owner=request.user)
        except Exception as e:
            playlist = None

        if parent.name == 'Música de concierto':
            if request.GET['last'] is not None:
                last_categoty = Category.objects.get(id=request.GET['last'])
                audios = AssetMedia.objects.filter(
                    Q(categories__exact=id_category)
                    & Q(parent_categories__exact=last_categoty.id)
                    & Q(is_in_essential=True)
                    & Q(qa_revision=True)
                    & Q(published=True)
                ).order_by('title', 'track')

        else:
            audios = AssetMedia.objects.filter(
                categories__in=[id_category],
                is_in_essential=True,
                qa_revision=True,
                published=True
            )

        paginator = Paginator(audios, 15)
    except Exception as e:
        logging.error(e.message)

    if request.is_ajax():
        template_file = 'without_content.html'
    else:
        template_file = 'base.html'

    ctx = {
            'category': Category.objects.get(id=id_category),
            'audio_list': paginator.page(page),
            'playlist': playlist,
            'parent': parent,
            'last_categoty': last_categoty,
            'total_page': range(1, paginator.num_pages + 1),
            'page': int(page),
            'template_file': template_file
    }
    return render(request, 'musicassets/imprescindible_playlist.html', ctx)
  
#urls.py  
  url(r'^imprescindibles_playlist/(?P<id_category>.+?)/(?P<id_parent>.+?)/$', 'musicassets.views.imprescindibles_playlist', name='imprescindibles_playlist'),
  
""" Otro ejemplo en https://stackoverflow.com/questions/48048066/django-rest-framework-multiple-url-arguments"""