I have a Django project called ubm-app with two apps, main and ubm-app. I've created a couple of classes, URLAdder and URLModifier in the views.py file in the main app. Im trying to import these views into my urls.py file by using the line from . import views but VS Code shows me the error unresolved import 'c:UsersHariDesktopdjangoUBM-Appmain.'. This is my urls.py file. from django.urls import path, include from . import views urlpatterns = [ path(',views.home,name='home'), path('api/add/', views.URLAdder.as_view()), path('api/modify/',views.URLModifier.as_view()), ] This is the settings.json file found when I use the Configure Language Specific Settings.. option. { 'C_Cpp.updateChannel': 'Insiders', '[python]': { } } This is the settings.json file in the .vscode folder in my Django project. { 'python.pythonPath': 'envScriptspython.exe' } Can anyone please suggest a fix to this with an explanation? I seem to be having these unresolved import errors time and again. Forgive me if the error is a basic one.
Quick overview¶. Django uses request and response objects to pass state through the system. When a page is requested, Django creates an HttpRequest object that contains metadata about the request. Then Django loads the appropriate view, passing the HttpRequest as the first argument to the view function. Each view is responsible for returning an HttpResponse object. File 'C:python36libsite-packagesdjangosimpleserializer-2.0.7-py3.6.eggdssSerializer.py', line 77, in datainspect if field.rel is None: AttributeError: 'AutoField' object has no attribute 'rel' ENV django2.0.2 python3.6 dss2.0.7.
I’m developing Django application, and I have following error
My models are constructed like this
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What I must do?
Answers:
firstly, you must be very careful overriding
__init__
to have non-optional arguments. remember it will be called every time you get an object from a queryset!this is the correct code you want:
I highly suggest setting the abstract option on Animal if you will only ever be using subclasses of this object. This ensures a table is not created for animal and only for Sheep (etc.). if abstract is not set, then an Animal table will be created and the Sheep class will be given it’s own table and an automatic ‘animal’ field which will be a foreign key to the Animal model.
Answers:
Django docs recommend against you to use
__init__
method in models: You may be tempted to customize the model by overriding the
__init__
method. If you do so, however, take care not to change the calling signature as any change may prevent the model instance from being saved. Rather than overriding __init__
, try using one of these approaches:- Add a classmethod on the model class
- Add a method on a custom manager (usually preferred)
Django Serialize Dict Object Has No Attribute _meta
Tags: object