TemplateDoesNotExist when loading forms

Using Django Mystery Errors
1

Hello, i’ve got an app organised like this
root/content/templates/product/
root/app
root/module

in module i’ve got a view edit_product who import formProduct and render form_product.html
in my form.py I create a class ProductForm like this

class CustomImageFileUploadInput(forms.widgets.ClearableFileInput):
    template_name = "product/admin/product/custom_clearable_file_input.html"

class ProductForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        self.fields['image'] = forms.ImageField(
            label=_("Image du produit"),
            required=False,
            widget=CustomImageFileUploadInput(attrs={'class': 'form-control','style': 'width: auto; display: inline-block;',}),
            validators=[validate_image_extension]
        )

I’ve got in product/admin/product/ a custom html template : custom_clearable_file_input.html

In settings I’ve got following data :

BASE_DIR = Path(__file__).resolve().parent.parent
CONTENT_DIR = os.path.join(BASE_DIR, 'content')
TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(CONTENT_DIR, 'templates')],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.i18n',
                'django.template.context_processors.media',
                'django.template.context_processors.static',
                'django.template.context_processors.tz',
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
                'content.utils.context_processors.load_variable_context',
                'content.utils.context_processors.user_admin',
            ],
        },
    },
]

The issue I don’t understand is when I try to render in shell with get_template, it’s working well
When I try to create a test view just to render_to_html this template it’s working well … the only issue is when I load into a page this form It can’t load template :frowning:

I load this template in ajax with this command

$.ajax({
                url: url,
                type: "GET",
                success: function (data) {
                    $("#modal-body-new-product").html(data);  // Injecte le formulaire
                },

                error: function () {
                    $("#modal-body-new-product").html("<p>{% trans 'Erreur de chargement.' %}</p>");
                }
            });

where url is the url path where views is loaded to render form.html

Don’t know if you understand well but template is loading well everywhere except in form … I just need to overihide default template for clearable_file_input

Thanks for your help

2

Welcome @Odissine !

Please post the url being requested, along with the url definition and the view being called.

Also please post the complete error message being generated along with the traceback from the server console. (Do not post the summary information presented on the web page.)

3

Hello, here is the url used for showing form for edit product :

path('edit/product/<pk>', edit_product, name='edit_product'),

And the view called :

@login_required
def edit_product(request, pk):
    user_instance = get_object_or_404(UserInstance, pk=request.session['user_instance'])
    product = get_object_or_404(Product, pk=pk)
    if user_instance:
        if request.method == 'POST':
            form = ProductForm(request.POST, request.FILES, session_user_instance=user_instance, instance=product)
            if form.is_valid():
                product = form.save()
                product.user_instance = user_instance
                if product:
                    for entry in product.entries.all():
                        product.entries.remove(entry)
                for field_name, entry_id in form.cleaned_data.items():
                    if field_name.startswith('entry_'):
                        entry = Entry.objects.get(id=entry_id)
                        product.entries.add(entry)
                product.save()
                message = _("Produit modifié avec succès !")
                messages.success(request, message)
                return JsonResponse({"success": True})
            return JsonResponse({"success": False, "errors": form.errors}) 

    form = ProductForm(session_user_instance=user_instance, instance=product)
    context = {
        'user_instance': request.session['user_instance'],
        'form': form,
        'product': product,
    }
    return render(request, 'product/admin/product/form_products.html', context)

I didn’t have the error anymor" because I found the way to solved it …
Solution works : Into my app (product) I added a templates/product/admin/product and into this I put the template call in form.py like this :

class CustomImageFileUploadInput(forms.widgets.ClearableFileInput):
    template_name = "product/admin/product/custom_clearable_file_input.html"

I don’t know exactly why but for all render and import , my BASEDIR + CONTENT + templates works well … only for widget/form I have to put into product concerned …

If you have another solution to avoid to avec a lot of duplicate forlder it should be great :wink: