Simply add (and export) data from your Django database with YAML (3 mins) 🧮

Adding initial data to your Django database and exporting is very simple with Django's in built management commands, loaddata and dumpdata.

In 3 minutes, we'll:

a) produce a super simple Django app, and b) show how to import and export our data into any Django database.

For more context, I used the technique below to add initial data to a Django and HTMX quiz app here: Create a quiz app in 6 minutes with HTMX and Django ☑️

Let's start 🚀

Create a Django project and app

pip install django pyyaml
django-admin startproject core .
python startapp sim

Add sim to INSTALLED_APPS in core/

# core/

    # ...
    # ...

Create a model

Add the following to sim/

from django.db import models

class Product(models.Model):
    name = models.CharField(max_length=255)
    description = models.TextField()
    price = models.DecimalField(max_digits=10, decimal_places=2)

    def __str__(self):

Run the migrations:

python makemigrations
python migrate

Load data into your Django database

  • Create a file called product_data.yaml suffix in your root folder and add the following to it:
- model: sim.product
  pk: 1
    name: "Chair"
    description: "A mahogany chair"
    price: 49.99
- model: sim.product
  pk: 2
    name: "Table"
    description: "An oak table"
    price: 99.99
  • Run the management command to load your data straight into the database:
python loaddata sim product_data.yaml

You should see the following output:

Installed 2 object(s) from 1 fixture(s)

The data is now in your database. Let's check it out by logging into the Django admin.

Create a superuser

python createsuperuser
  • Enter the username, email, and password for the superuser.

Show the data in the Django admin

  • Register the Product model by adding the below to sim/
from django.contrib import admin
from .models import Product
  • Run the server:
python runserver

Click to on the Product model to see the data. You should see something like this:

Export the data from your Django database

Now imagine that you have some data that you want to export, to then import into another database. This situation typically arises for me when I've added some data to my local database that I want to import into my production database.

  • To export the data to a YAML file, simply run the following command:
python dumpdata sim.product --natural-foreign --exclude=contenttypes --exclude=auth.permission > product_data1.yaml

We use the --natural-foreign flag to use natural keys for foreign keys. This makes the YAML file more human-readable. We exclude the contenttypes and auth.permission tables because they are not relevant to our data.

Then re-import this data into another database using the loaddata command as above. Simple!

Complete ✅

That's it — it's quick to do as I mentioned. You've now learned how to import and export data from your Django database. 🎉

If you'd like more context, I recently used the technique to add initial data to a Django + HTMX quiz app here: Create a quiz app in 6 minutes with HTMX and Django ☑️

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