django-extra-views

from django.db import models from django.views.generic import ListView from extra_views import CreateWithInlinesView, InlineFormSetFactory # models.py example class Parent(models.Model): name = models.CharField(max_length=100) def __str__(self): return self.name class Child(models.Model): parent = models.ForeignKey(Parent, on_delete=models.CASCADE) item = models.CharField(max_length=100) def __str__(self): return f'{self.item} ({self.parent.name})' # views.py example class ChildInline(InlineFormSetFactory): model = Child fields = ['item'] factory_kwargs = {'extra': 1} class CreateParentWithChildrenView(CreateWithInlinesView): model = Parent fields = ['name'] inlines = [ChildInline] template_name = 'parent_create_with_children.html' success_url = '/parents/' # Or reverse_lazy('parent-list') # urls.py example # from django.urls import path # from .views import CreateParentWithChildrenView # # urlpatterns = [ # path('parents/create/', CreateParentWithChildrenView.as_view(), name='parent-create-with-children'), # ] # parent_create_with_children.html (simplified fragment) # <form method="post"> # {% csrf_token %} # {{ form.as_p }} # <h3>Children</h3> # {{ inlines.childinline.management_form }} # {% for formset in inlines.childinline %} # {{ formset.as_p }} # {% endfor %} # <button type="submit">Save</button> # </form> # To make this runnable, we need a minimal Django setup. # For testing purposes, you could try: # from django.conf import settings # if not settings.configured: # settings.configure(DEBUG=True, INSTALLED_APPS=['django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.admin', 'django.contrib.messages'], DATABASES={'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': ':memory:'}}) # import django # django.setup() # # Then define Parent and Child models and run migrations implicitly. # from django.core.management import call_command # call_command('makemigrations', 'your_app_name', interactive=False) # call_command('migrate', interactive=False) # # This example is primarily for demonstrating the view setup.