Django KeyError 'pk' POST method

Question

i have post method in form for sort objects

<form method="post" action="{%  url 'package_dashboard' %}">
{% csrf_token %}
    <button  type="submit" name="order_by_title">sortByName</button>
    <button  type="submit" name="order_by_date">sortByDate</button>
</form>

my views.py

class PackageDashboardView(PackageAccessMixin, ListView):
model = Package
template_name = "packages/dashboard.html"

def get_queryset(self):
    queryset = Package.objects.all().order_by('title', 'version__name'). \
        select_related('title', 'version').defer('title__metadata', 'validation', 'translations', 'diff_fields')
    if "order_by_date" in self.request.GET:
        queryset = Package.objects.all().order_by('-started', 'version__name'). \
            select_related('title', 'version').defer('title__metadata', 'validation', 'translations', 'diff_fields')
    elif 'order_by_title' in self.request.GET:
        queryset = Package.objects.all().order_by('title', 'version__name'). \
            select_related('title', 'version').defer('title__metadata', 'validation', 'translations', 'diff_fields')
    return queryset

my urls.py

url(r'^packages/$', packages.PackageDashboardView.as_view(), name="package_dashboard"),

the error

Internal Server Error: /packages/ Traceback (most recent call last):
File "/home/abdel/Desktop/eclair-packager/eclair_env/lib/python3.6/site-packages/django/core/handlers/exception.py", line 41, in inner response = get_response(request) File "/home/abdel/Desktop/eclair-packager/eclair_env/lib/python3.6/site-packages/django/core/handlers/base.py", line 187, in _get_response response = self.process_exception_by_middleware(e, request) File "/home/abdel/Desktop/eclair-packager/eclair_env/lib/python3.6/site-packages/django/core/handlers/base.py", line 185, in _get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) File "/home/abdel/Desktop/eclair-packager/eclair_env/lib/python3.6/site-packages/django/views/generic/base.py", line 68, in view return self.dispatch(request, *args, **kwargs) File "/home/abdel/Desktop/eclair-packager/packager/permission_mixins.py", line 20, in dispatch return super().dispatch(request, *args, **kwargs) File "/home/abdel/Desktop/eclair-packager/eclair_env/lib/python3.6/site-packages/django/contrib/auth/ mixins.py", line 56, in dispatch return super(LoginRequiredMixin, self).dispatch(request, *args, **kwargs) File "/home/abdel/Desktop/eclair-packager/eclair_env/lib/python3.6/site-packages/django/views/generic/base.py", line 88, in dispatch return handler(request, *args, **kwargs) File "/home/abdel/Desktop/eclair-packager/packager/permission_mixins.py", line 96, in post obj = self.get_package() File "/home/abdel/Desktop/eclair-packager/packager/permission_mixins.py", line 78, in get_package return get_object_or_404(Package, pk=self.kwargs['pk'], **kwargs) KeyError: 'pk' [26/Dec/2018 11:35:56] "POST /packages/ HTTP/1.1" 500 109583

Answer 1

您可能在视图或网址部分分配pk（主键）时遇到问题， 这可能有助于结帐