login function in django code example

Example 1: django request user

def my_view(request):
    if not request.user.is_authenticated:
        return render(request, 'myapp/login_error.html')

Example 2: django login

from django.contrib.auth import authenticate, login

def my_view(request):
    username = request.POST['username']
    password = request.POST['password']
    user = authenticate(request, username=username, password=password)
    if user is not None:
        login(request, user)
        # Redirect to a success page.
        ...
    else:
        # Return an 'invalid login' error message.
        ...

Example 3: loginrequiredmixin

from django.contrib.auth.mixins import LoginRequiredMixin

LOGIN_URL = 'your_url'

Example 4: login system in django

LOGOUT_REDIRECT_URL = 'your_url'