Binding hand written HTML(form) or forms that are not created through djnago forms to django forms validation errors

Hi All,

Kindly help me with following questions.

         

Use case is this:

1. i have created a form manually ( not generated through django forms)

2. I am calling a Django view function upon submission.

3. validating the field through django form as i ensured that form names are same.

question is

1. How to pass on validation errors from Djnago form to non django forms?

Please suggest better ways to do this.

Note. I see one way is to jsonify the errors and reconstruct the DOM

Let me take an example.

I do not want to use Djnago generated form hence i have written my own login page:

<div class="col-md-4 col-md-offset-4" id="id_loginform">

    <h3>Login to Application</h3>

    <form class="form-horizontal" method="POST" action={% url "auth_login" %}  > {% csrf_token %}

        <div class="form-group">

            <div class="input-group">

              <div class="input-group-addon" id="id_username" name="username" >User ID  </div>

              <input type="text" class="form-control" id="username" name ="username" placeholder="User name">

            </div>

             <div class="input-group">

              <div class="input-group-addon">Password </div>

              <input type="password" class="form-control" name="password" id="password" placeholder="Password">

              </div>

            </div>

              <div class="col-md-offset-4 col-md-8">

                <button type="submit" class="btn btn-default">Sign in</button>

            </div>

        </div>

      </form>

</div> 

      

action is passed to view where i am trying to do this.

 def login_view(request):

    if request.POST:

        form = LoginForm(request.POST or None)

        if form.is_valid():

            username = form.cleaned_data['username']

            password = form.cleaned_data['password']

            user = authenticate(username=username, password=password)

            login(request, user)

            return HttpResponseRedirect(reverse("menu"))

    else:

        form = LoginForm()

      context = {"form": form,}

    return render(request, "login.html", context)  

when ther are form eeors invalid user id or pasword......waht is the way to pass valiadtion errors to "UNBOUND Form".

I personally see only way to return jason response and process it on unbound form?....is there anyway djnago can directly pass validation errors to forms that are not created by djnago?

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