PYTHON

how to import login required in django

from django.contrib.auth.decorators import login_required

@login_required(login_url='/example url you want redirect/')

django login required

from django.contrib.auth.decorators import login_required

@login_required
def my_view(request):
    # handle view
-------------------------------------------------------------------

# add in settings.py

LOGIN_URL = your_login-page_url

### now if the user attemped to request the view without login  ###
### user will be redirected to the login-page using the provided url in settings.py ###

login_required on class django

You can add the decorator in the urls.py

from django.contrib.auth.decorators import login_required
 url(r'^workers/$', login_required(views.RootWorkerView.as_view()))

login_required on class django

now you can use Django builtin LoginRequiredMixin

from django.contrib.auth.mixins import LoginRequiredMixin

class MyView(LoginRequiredMixin, View):
    login_url = '/login/'
    redirect_field_name = 'redirect_to'

django login required

def login_view(request):
    if request.method == 'GET':
        cache.set('next', request.GET.get('next', None))

    if request.method == 'POST':
        # do your checks here

        login(request, user)

        next_url = cache.get('next')
        if next_url:
            cache.delete('next')
            return HttpResponseRedirect(next_url)

    return render(request, 'account/login.html')

django login required as admin

from django.contrib.auth.decorators import user_passes_test

@user_passes_test(lambda u: u.is_superuser)
def my_view(request):
    ...