How can I prevent the input field from being changed in a Django form?

Question

Django

Good afternoon, please tell me who knows. I have a form, how do I prevent the user from changing some fields. What would these fields be, but what manipulations with them could not be carried out?

Answer 1

somefield = forms.CharField(
    widget=forms.TextInput(attrs={'readonly':'readonly'})
)

Answer 2

100% nothing.
There is a magic button in browsers - F12
You can change values ​​in DOM objects. Some people like to block the page until you register - change the properties of the object and continue reading))).
I can even change POST requests.
Do a validation when the form is submitted.

Answer 3

https://docs.djangoproject.com/en/2.2/ref/forms/fi...