from django import forms

from django.forms import ModelForm

from models import Product, Price, Book, DerivedBook, ExplicitPK, Post, DerivedPost, Writer

class ProductForm(ModelForm):

    class Meta:

        model = Product

class PriceForm(ModelForm):

    class Meta:

        model = Price

class BookForm(ModelForm):

    class Meta:

       model = Book

class DerivedBookForm(ModelForm):

    class Meta:

        model = DerivedBook

class ExplicitPKForm(ModelForm):

    class Meta:

        model = ExplicitPK

        fields = ('key', 'desc',)

class PostForm(ModelForm):

    class Meta:

        model = Post

class DerivedPostForm(ModelForm):

    class Meta:

        model = DerivedPost

class CustomWriterForm(ModelForm):

   name = forms.CharField(required=False)

   class Meta:

       model = Writer