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How does class based view with multiple methods work with urls in django?


How does class based view with multiple methods work with urls in django?

By : Abdellah Gounane
Date : November 14 2020, 04:48 PM
I hope this helps you . Because Django’s URL resolver expects to send the request and associated arguments to a callable function, not a class, class-based views have an as_view() class method which serves as the callable entry point to your class. The as_view entry point creates an instance of your class and calls its dispatch() method. dispatch looks at the request to determine whether it is a GET, POST, etc, and relays the request to a matching method if one is defined, or raises HttpResponseNotAllowed if not.
just read the docs
code :


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reverse urls for Django class based view

reverse urls for Django class based view


By : user3919343
Date : March 29 2020, 07:55 AM
To fix this issue reverse is a function that creates URL.
Because You have specified only pk pattern in your URL patterns, you can only use pk as argument to reverse (it really would not make sense to add foo since the generated url would be exactly the same for any foo value). You can add foo to URL pattern or create multiple named urls, ie:
code :
url(r'^(?P<pk>\d+)/$', VideoDetailView.as_view(), name='video_detail', kwargs={'foo':''})
url(r'^(?P<pk>\d+)/$', VideoDetailView.as_view(), name='video_detail2', kwargs={'foo':'bar'})
url(r'^(?P<pk>\d+)/(?P<foo>\w+)/$', VideoDetailView.as_view(), name='video_detail')
What methods should I be using in a Django class-based view IPNs?

What methods should I be using in a Django class-based view IPNs?


By : user2088765
Date : March 29 2020, 07:55 AM
With these it helps The get_context_data method is used to fetch the data which is used to render the template. It shouldn't really be creating users or carrying out other actions.
You can override dispatch(), but a more common approach would be to override get() or post() depending on whichever request type you are dealing with. The base implementation of dispatch() calls the appropriate method depending on the request type (e.g. get() or post())
How do Django map urls to class based view functions?

How do Django map urls to class based view functions?


By : Gábor Grézal
Date : March 29 2020, 07:55 AM
I wish did fix the issue. The url doesn't map to the get method, it maps to the view. Its up to the request method to guide django in the right way.
If you're talking in terms of actual code, its the dispatch method on the view.
code :
def dispatch(self, request, *args, **kwargs):
    # Try to dispatch to the right method; if a method doesn't exist,
    # defer to the error handler. Also defer to the error handler if the
    # request method isn't on the approved list.
    if request.method.lower() in self.http_method_names:
        handler = getattr(self, request.method.lower(), self.http_method_not_allowed)
    else:
        handler = self.http_method_not_allowed
    return handler(request, *args, **kwargs)
Django rest framework- Single class based view bound to multiple urls

Django rest framework- Single class based view bound to multiple urls


By : user1651809
Date : March 29 2020, 07:55 AM
With these it helps Hmmm...perhaps a solution such as this may be sufficient (modify for your project models as required):
code :
from rest_framework import viewsets

class ProjectViewSet(viewsets.ViewSet):
    """
    A simple ViewSet for listing or retrieving, creating and updating projects.
    """
    def list(self, request):
       ....

    def create(self, request, pk=None):
       ....

    def update(self, request, pk=None):
       ....
from myapp.views import ProjectViewSet
from rest_framework.routers import DefaultRouter

router = DefaultRouter()
router.register(r'project', UserViewSet.as_view({'get': 'list'}), base_name='projects')
router.register(r'project/create', UserViewSet.as_view({'post': 'create'}), base_name='project_create')
router.register(r'project/edit', UserViewSet.as_view({'put': 'update'}), base_name='project_update')

urlpatterns = router.urls
Django - How to use decorator in class-based view methods?

Django - How to use decorator in class-based view methods?


By : Merry
Date : March 29 2020, 07:55 AM
To fix this issue Since Django 1.9, according to the doc, it is possible to apply decorator in the next way:
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