You may also use: request.POST.get(‘section’,”) # => [39] request.POST.get(‘MAINS’,”) # => [137] request.GET.get(‘section’,”) # => [39] request.GET.get(‘MAINS’,”) # => [137] Using this ensures that you don’t get an error. If the POST/GET data with any key is not defined then instead of raising an exception the fallback value (second argument of .get() will be used).
You can also do: if not RealEstateListing.objects.filter(slug_url=slug).exists(): # do stuff… Sometimes it’s more clear to use try: except: block and other times one-liner exists() makes the code looking clearer… all depends on your application logic.
As of Django 1.2, you can use exists(): https://docs.djangoproject.com/en/dev/ref/models/querysets/#exists if some_queryset.filter(pk=entity_id).exists(): print(“Entry contained in queryset”)
Use the user_passes_test decorator: from django.contrib.auth.decorators import user_passes_test @user_passes_test(lambda u: u.is_superuser) def my_view(request): …
First: The path structure If you don’t have it you need to create the middleware folder within your app following the structure: yourproject/yourapp/middleware The folder middleware should be placed in the same folder as settings.py, urls, templates… Important: Don’t forget to create the init.py empty file inside the middleware folder so your app recognizes this … Read more
I have found the solution to this issue using ObjectDoesNotExist on this way from django.core.exceptions import ObjectDoesNotExist …… try: # try something except ObjectDoesNotExist: # do something After this, my code works as I need Thanks any way, your post help me to solve my issue
If your urlconf looks something like this: url(r’^(?P<slug>[a-zA-Z0-9-]+)/$’, MyView.as_view(), name=”my_named_view”) then the slug will be available inside your view functions (such as ‘get_queryset’) like this: self.kwargs[‘slug’]
To update a subset of fields, you can use update_fields: survey.save(update_fields=[“active”]) The update_fields argument was added in Django 1.5. In earlier versions, you could use the update() method instead: Survey.objects.filter(pk=survey.pk).update(active=True)
None, False and True all are available within template tags and filters. None, False, the empty string (”, “”, “”””””) and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do {% if profile.user.first_name == None %} {% if not profile.user.first_name %} A hint: @fabiocerqueira is right, leave logic to … Read more
Make sure you have rest_framework in your settings’s INSTALLED_APPS