Qfyilyi

Actually rather than just code , I want to know all the topics I have to study for making a remember me key on my login page.
Its a inbuilt django login page and i have a bit knowledge of sessions and cache but not enough for making a remember me key and havent user caching yet.
If you can supply me with a answer or a source , that will be helpful

Just add a new field in your form like this:

class LoginForm(forms.Form):

    username = forms.CharField()

    password = forms.CharField(widget= forms.PasswordInput)

    remember_me = forms.BoolenField()

And update the view

def login(request):

 if request.method == "POST":

      form = LoginForm(request.POST)

      if form.is_valid():

          username = form.cleaned_data['username']

          password = form.cleaned_data['password']

          remember_me = form.cleaned_data['remember_me']

          user = authenticated(username=username, password=password)

          if user:

               login(request, user)

               if not remember_me:

                    request.session.set_expiry(0)  # <-- Here if the remember me is False, that is why expiry is set to 0 seconds. So it will automatically close the session after the browser is closed.



               # else browser session will be as long as the session  cookie time "SESSION_COOKIE_AGE"

               return redirect('/some/success/url')

 else:

         form = LoginForm()



         render(request, 'name.html', {'form': form})

Update

If you are using AuthenticationForm, then sub-class it like this:

class LoginForm(AuthenticationForm):

    remember_me = forms.BooleanField()  # and add the remember_me field

And also sub-class your new view from LoginView. Also override the form_valid method inside the View.

from django.contrib.auth import login as auth_login,





class UpdatedLoginView(LoginView):

     form_class = LoginForm



     def form_valid(self, form):



        remember_me = form.cleaned_data['remember_me']  # get remember me data from cleaned_data of form

        if not remember_me:

             self.request.session.set_expiry(0)  # if remember me is 

             self.request.session.modified = True

        return super(UpdatedLoginView, self).form_valid(form)

You can reference from this remember-me project:

https://github.com/jimfmunro/django-remember-me

and also a similar issue was solved in:
Create 'remember me' feature in default django login view

You need to set session expiry period:

request.session.set_expiry(1209600) # 2 weeks

Django sessions are set to 2 weeks (SESSION_COOKIE_AGE defaults to 1209600 seconds) and will not expire when the browser is closed (SESSION_EXPIRE_AT_BROWSER_CLOSE defaults to False)

But if it's a must you set a remember me checkbox option with backend functions, then you can do the following on your Login custom form.

remember_me = forms.BooleanField(required=False, widget=forms.CheckboxInput())



if not self.cleaned_data.get('remember_me'):

self.request.session.set_expiry(0)