Django Library: Author Formset

forms.py

# forms.py :: part 1

from django import forms
from django.forms import modelformset_factory

from .models import Book, Author

class BookModelForm(forms.ModelForm):
    class Meta:
        model = Book
        fields = ('name', )
        labels = {
            'name': 'Book Name'
        }
        widgets = {
            'name': forms.TextInput(attrs={
                'class': 'form-control',
                'placeholder': 'Enter Book Name here'
                }
            )
        }
AuthorFormset = modelformset_factory(
    Author,
    fields=('name', ),
    extra=1,
    widgets={
        'name': forms.TextInput(
            attrs={
                'class': 'form-control',
                'placeholder': 'Enter Author Name here'
            }
        )
    }
)