django-environ

What it is and what it does

django-environ bridges environment variables and Django settings by reading .env files and parsing their contents into typed Python objects. It implements the Twelve-Factor methodology, which treats configuration as environment-provided data rather than code, eliminating the need for multiple settings files per deployment environment.

The package handles three main tasks: loading variables from .env files into os.environ, casting string values to Python types (bool, int, list, etc.), and parsing connection URL strings (database, cache, email) into Django-compatible configuration dictionaries. It raises Django's ImproperlyConfigured exception when required variables are missing, catching configuration errors early. The single runtime dependency is typing_extensions, and it supports Python 3.9 through 3.14 across Django versions 2.2 to 6.0.

Use it for:

• Store database credentials and URLs in .env files without committing them to version control
• Switch between development, staging, and production configurations by changing environment variables
• Parse Redis and cache URLs into Django CACHES configuration dictionaries
• Enable Docker deployments using file-based secrets mounted as environment variables
• Centralize Django settings configuration in a single file instead of maintaining multiple settings_*.py variants

Worth the install?

AI-flagged interpretation of the facts on this page — verify before relying

Loads and parses environment variables from .env files to configure Django applications using Twelve-Factor methodology, with support for type casting and URL-based connection strings.

Yes. django-environ is production-stable, actively maintained, has no known vulnerabilities, minimal install friction, and solves a standard Django configuration problem. It is widely adopted (top 5000 PyPI packages) and supports current Django and Python versions. Install it if you use Django and want environment-based configuration following industry best practices.

Install

django-environ on PyPI

pip install django-environ

uv add django-environ

poetry add django-environ

Installing django-environ

Before you install

Low friction installation with a single runtime dependency (typing_extensions). Active maintenance with a recent release 57 days ago and consistent commit activity; classifiers indicate production-stable status and support across Django 2.2 through 6.0.

License in practice

MIT license permits commercial and private use with minimal restrictions; suitable for most projects without licensing concerns.

Quickstart

pip install django-environ

import environ
import os

env = environ.Env(DEBUG=(bool, False))
environ.Env.read_env('.env')
DEBUG = env('DEBUG')
DATABASES = {'default': env.db()}

Requires Python 3.9 or later; Django 2.2+ for full compatibility.

Verify before relying

• Performance characteristics when handling large numbers of environment variables or complex .env files
• Specific behavior differences between Env and FileAwareEnv for Docker-style file-based secrets

Package facts

Evidence: django_environ-0.14.0-py3-none-any.whl

Keywords: environment, django, variables, 12factor

Tags

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