class.py

class Login(View):
	template = 'users/login.html'
	form = AuthenticationForm

	def get(self, request):
		context = {
			'loginForm': self.form()
		}

		return render(request, self.template, context)

	def post(self, request):
		form = self.form(request, request.POST)
		if form.is_valid():
			login(request, form.get_user())

			return redirect('users:profile')

		else:
			context = {
				'loginForm': form
			}

			return render(request, self.template, context)