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Django JSON form field on steroids using react-json-schema-form

Project description

django-reactive integrates react-jsonschema-form (RJSF) in Django projects.


JSON types is a cool feature of Postgres that allows combining both relational and non-relational approaches to storing data together. In most cases it would lead to a simpler database design.

The JSONField in Django provides a nice way of integrating json and jsonb Postgres types inside the ORM. ORM can even utilise JSON fields to perform database queries. jsonb type also offers indexing for JSON documents. That makes it a powerful tool in the application design and opens a wide range of use cases, e.g. polymorphic behaviour, storing complex hierarchies and lists of related entities.

However, the main limitation of JSONField in Django is that it does not offer a good way of managing such objects in the default admin UI. Defining JSON objects inside the textarea is not practical for most use cases. django-reactive tries to address this problem by offering an integration between JSONField and the awesome react-jsonschema-form (RJSF) JavaScript library. It also uses Python jsonschema <> library for backend validation. Such integration from our practice can significantly reduce an amount of work you need to do to build custom forms for JSONField types.

In most cases developers would only need to define a JSON schema configuration for such field and optionally UI schema to modify UI for those forms.

A simple use case is demosntrated below:

from django.db import models

from django_reactive.fields import ReactJSONSchemaField

class TestModel(models.Model):
    simple = ReactJSONSchemaField(
            "title": "A registration form",
            "description": "A simple form example.",
            "type": "object",
            "required": [
            "properties": {
                "firstName": {
                    "type": "string",
                    "title": "First name"
                "lastName": {
                    "type": "string",
                    "title": "Last name"
                "age": {
                    "type": "integer",
                    "title": "Age"
                "bio": {
                    "type": "string",
                    "title": "Bio"
                "password": {
                    "type": "string",
                    "title": "Password",
                    "minLength": 3
                "telephone": {
                    "type": "string",
                    "title": "Telephone",
                    "minLength": 10
            "firstName": {
                "ui:autofocus": True,
                "ui:emptyValue": ""
            "age": {
                "ui:widget": "updown",
                "ui:title": "Age of person",
                "ui:description": "(earthian year)"
            "bio": {
                "ui:widget": "textarea"
            "password": {
                "ui:widget": "password",
                "ui:help": "Hint: Make it strong!"
            "date": {
                "ui:widget": "alt-datetime"
            "telephone": {
                "ui:options": {
                    "inputType": "tel"

It will generate a form like this:


Quick start

Install django-reactive:

pip install django-reactive

Add it to your INSTALLED_APPS:


Run example app

  • docker-compose up
  • poetry install
  • ./example/ makemigrations
  • ./example/ migrate
  • ./example/ createsuperuser
  • ./example/ runserver
  • open
  • Go to “Test model” to check a few examples


  • React, RJSF and other JS assets are bundled with the package.
  • Integration with default Django admin theme.
  • Backend and frontend validation.


To implement this behaviour you can define an array schema with one property serving as a key of the object and do transformation in your JSON class. An example will be provided later.

Future development

  • Display description as tooltips
  • Polish styles and HTML generated by RJSF

Project details

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