How to use valid form data to create object in database?

Question

I am trying to create a helper function that validates forms. If the form is valid, then I will create an object in the database. The function takes in three arguments, the request, the form, and the model.

def form_validate(request, form, model):
  form = form(request.POST)
  print form
  if form.is_valid():
    print "the form is valid"
    # create object using valid form
  else:
    print "the form is not valid"
    # send back items
    print form.errors.items()

If the form is valid, I want to use the form data to create a new model. How would I do that? I have tried to look at the Django docs(https://docs.djangoproject.com/en/dev/topics/forms/) but I cannot find the answer.

You should come back to documentation.

dani herrera
– dani herrera

2012-02-08 08:12:09 +00:00
Commented Feb 8, 2012 at 8:12 — dani herrera
– dani herrera, Commented Feb 8, 2012 at 8:12

Andrew Ingram · Accepted Answer · 2012-02-08 10:48:14Z

4

As David Wolever said, using ModelForms is the obvious way.

You could also pass the cleaned_data dictionary to the model constructor (assuming the fields are the same):

def form_validate(request, form, model):
    form = form(request.POST)
    print form
    if form.is_valid():
        print "the form is valid"
        obj = model(**form.cleaned_data)
        obj.save()
    else:
        # etc

However, ModelForms are really the easiest way of doing this, but you might be interested in reading Django's source to see how they work.

answered Feb 8, 2012 at 10:48

Andrew Ingram

5,2402 gold badges28 silver badges37 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Mike 'Pomax' Kamermans Over a year ago

I know it's an old question, but I ran into this from google and still have questions: what do we do if there is no "form", but only form data because of a call from an external domain with a payload, so that we only have POST data to work with?

David Wolever · Accepted Answer · 2012-02-08 08:22:21Z

1

You'll likely want to look at ModelForms: https://docs.djangoproject.com/en/dev/topics/forms/modelforms/

answered Feb 8, 2012 at 8:22

David Wolever

156k94 gold badges365 silver badges513 bronze badges

Collectives™ on Stack Overflow

How to use valid form data to create object in database?

2 Answers 2

1 Comment

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Related