def getLogin(request):
if request.user.is_authenticated:
    ...
    # operations and context creation
    ...
    return render(request, 'myapp:home', context)
else:
    if request.method == "POST":
        email = request.POST['mail']
        password = request.POST['psw']
        user = authenticate(request, username=email, password=password)
        if user is not None:
            auth_login(request, user) #the Django login renamed as auth_login
            ...
            # operations and context creation
            ...
            return redirect("/home", context)
        else:
            return redirect('/login/error', errorLogin='error')
            # shows the same page but with a login error message
    else:
        return redirect("myapp:errorpage")

def home(request):
   if request.user.is_authenticated:
       # operations and context creation
       return render(request, 'users/home.html', context)
   else:
       return redirect("myapp:errorpage")
       #goes into a error page

def testHomeWithLogin(self):
       user = User.objects.create(username="qwerty@gmail.com",
              email="qwerty@gmail.com", password="qwerty")
       print(user.username)
       response = self.client.post("/login/#", {
        "mail": "qwerty@gmail.com", "psw": "qwerty"
       })
       print(response.context["mail"])