Example of Django class based password_change view with a custom form inheritance.

views.py & forms.py

# views.py
from django.contrib.auth.views import password_change
from django.views.generic import FormView

from backoffice.mixins import PermissionsMixin, ContextMixin


class EditPasswordView(ContextMixin, PermissionsMixin, FormView):
    """
    Allows the user to edit their password.
    """
    template_name = 'backoffice/profile/edit-password.html'
    form_class = EditPasswordForm
    success_url = reverse_lazy('password_change_done')
    permissions = ('community', )

    def get_form_kwargs(self):
        kwargs = super().get_form_kwargs()
        kwargs.update({
            'user': self.request.user, })

        return kwargs

    def form_valid(self, form):
        return password_change(self.request, post_change_redirect=self.success_url)

    def render_to_response(self, context, **response_kwargs):
        """
        Sends all the information needed to render the view to Django's password_change function.
        """
        return password_change(self.request, self.template_name, password_change_form=self.form_class,
                               extra_context=context)


# forms.py
from backoffice.mixins import FormMixin
from django.contrib.auth.forms import PasswordChangeForm


class EditPasswordForm(FormMixin, PasswordChangeForm):
    pass