我目前正在学习如何在 django 1.3 中使用基于类的视图。我正在尝试更新应用程序以使用它们,但我仍然不太了解它们是如何工作的(而且我每天都会阅读两到三遍整个基于类的视图参考)。
对于这个问题,我有一个需要一些额外上下文数据的空间索引页面,url 参数是一个名称(没有 pk,并且无法更改,这是预期的行为)以及没有该空间的用户在他们的个人资料中选择无法进入。
我的基于函数的代码(工作正常):
def view_space_index(request, space_name):
place = get_object_or_404(Space, url=space_name)
extra_context = {
'entities': Entity.objects.filter(space=place.id),
'documents': Document.objects.filter(space=place.id),
'proposals': Proposal.objects.filter(space=place.id).order_by('-pub_date'),
'publication': Post.objects.filter(post_space=place.id).order_by('-post_pubdate'),
}
for i in request.user.profile.spaces.all():
if i.url == space_name:
return object_detail(request,
queryset = Space.objects.all(),
object_id = place.id,
template_name = 'spaces/space_index.html',
template_object_name = 'get_place',
extra_context = extra_context,
)
return render_to_response('not_allowed.html', {'get_place': place},
context_instance=RequestContext(request))
我的基于类的视图(不工作,不知道如何继续):
class ViewSpaceIndex(DetailView):
# Gets all the objects in a model
queryset = Space.objects.all()
# Get the url parameter intead of matching the PK
slug_field = 'space_name'
# Defines the context name in the template
context_object_name = 'get_place'
# Template to render
template_name = 'spaces/space_index.html'
def get_object(self):
return get_object_or_404(Space, url=slug_field)
# Get extra context data
def get_context_data(self, **kwargs):
context = super(ViewSpaceIndex, self).get_context_data(**kwargs)
place = self.get_object()
context['entities'] = Entity.objects.filter(space=place.id)
context['documents'] = Document.objects.filter(space=place.id)
context['proposals'] = Proposal.objects.filter(space=place.id).order_by('-pub_date')
context['publication'] = Post.objects.filter(post_space=place.id).order_by('-post_pubdate')
return context
网址.py
from e_cidadania.apps.spaces.views import GoToSpace, ViewSpaceIndex
urlpatterns = patterns('',
(r'^(?P<space_name>\w+)/', ViewSpaceIndex.as_view()),
)
我缺少什么让 DetailView 工作?