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How to call the view of an app in Django?

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Final answer:

To call a view in Django, map a URL to the Python function or class-based view in your urls.py file, ensuring the view takes an HTTP request and returns a response. Use path() to define URL patterns that match the view you want to call.

Step-by-step explanation:

How to Call a View in Django

To call a view in Django, you need to map a URL to that view in your application’s urls.py file. Each view you create in Django is actually a Python function or a class-based view that takes an HTTP request as its first argument and returns an HTTP response. The process of calling a view involves creating a URL pattern that is matched with a URL dispatched by Django’s URL resolver.

Here is an example using a function-based view:

# views.py

from django.http import HttpResponse

def my_view(request):

#... your view logic here

return HttpResponse('Hello, World!')

# urls.py

from django.urls import path

from . import views

urlpatterns = [

path('hello/', views.my_view),

]

When a user accesses the “hello/” URL, Django will call the “my_view” function and execute its logic. Similarly, class-based views are called by referencing the class name with '.as_view()' at the end.

# views.py

from django.views import View

from django.http import HttpResponse

class MyView(View):

def get(self, request):

#... your view logic for GET request

return HttpResponse('Hello, World!')

# urls.py

from django.urls import path

from .views import MyView

urlpatterns = [

path('hello/', MyView.as_view()),

]

Remember to import your views correctly in the urls.py file and to follow the Django conventions for creating views and URL patterns.

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