How to write Django Model Forms in just one line?

Till this point of time, you have been creating form for your existing models in Django using ModelForm class:

from django import forms

class MyModelForm(forms.ModelForm):
    # specify the name of model to use
    class Meta:
        model = MyModel
        fields = "__all__"

But there is a much simpler way to generate a form in Django with just one line of code.

You can create forms from a given model using the standalone function modelform_factory(), instead of using a class definition.

This may be more convenient if you do not have many customizations to make:

from django.forms import modelform_factory

MyModelForm = modelform_factory(MyModel, fields="__all__")

You are not limited to just that, you can define the fields to choose as well:

from django.forms import modelform_factory

MyModelForm = modelform_factory(MyModel, fields=("email", "username"))

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