forms.py

ser = get_user_model()

class SignupForm(UserCreationForm):
    password1 = forms.CharField(widget=forms.HiddenInput(attrs={'value':'po123456'}))
    password2 = forms.CharField(widget=forms.HiddenInput(attrs={'value':'po123456'}))
    # None # Standard django password input
    # password2 = None # Standard django password confirmation input
    password = forms.CharField(
        widget=forms.HiddenInput(attrs={'value': 'po123456'}),  # Set the default password
    )

    class Meta:
        model = User
        fields = ['username', 'first_name', 'last_name', 'email', 'is_admin', 'is_agent','password','password1','password2']
        widgets = {
        'username':forms.TextInput(attrs={'class': 'form-control widget border border-warning rounded'}),
        'first_name':forms.TextInput(attrs={'class': 'form-control widget border border-warning rounded'}),
        'last_name':forms.TextInput(attrs={'class': 'form-control widget border border-warning rounded'}),
        'email':forms.TextInput(attrs={'class': 'form-control widget border border-warning rounded'}),
        # 'password1':forms.TextInput(attrs={'class': 'form-control widget border border-warning rounded','type':'password'}),
        # 'password1': forms.HiddenInput(attrs={'value': '123456'}),  # Set the default password
        # 'password2': forms.HiddenInput(attrs={'value': '123456'}),  # Set the default password
        # 'password': forms.HiddenInput(attrs={'value': '123456'}),  # Set the default password
        }
    def __init__(self, *args, **kwargs):
        super(SignupForm, self).__init__(*args, **kwargs)
        
        

page.html

                <form method="POST" action="{%url 'add_utilisateur' %}">
                    {% csrf_token %}
                    {{create_user_form|crispy}}

                    <div class="modal-footer ">
                        <button type="submit" class="btn"
                            style="background-color:#FF8C00; border: none; color: white;">Ajouter</button>
                        <button type="reset" class="btn" style="color:#FBA214;" data-dismiss="modal">Annuler</button>
                    </div>
            </div>
            </form>

views.py

class UtilisateurCreateView(CreateView):
    model = User
    form_class = SignupForm
    template_name = 'mainapp/tables/parametre.html'
    success_url = reverse_lazy('employee-list')

    def form_valid(self, form):
        user = form.save(commit=False)
        user.save()
        messages.success(self.request, "L'utilisateur a été ajouté avec succès.")
        return super().form_valid(form)

    def form_invalid(self, form):
        error_message = ""
        for field, errors in form.errors.items():
            error_message += f"<br /> - {field}: {', '.join(errors)}"
        messages.error(self.request, error_message)
        return HttpResponseRedirect(reverse_lazy('parametre'))

    def get_success_url(self):
        return reverse('parametre')