django-composed-configuration

Turnkey Django settings for data management applications.

Installation

Add to your project's requirements:

django-composed-configuration[dev,prod]

In your project's settings.py:

from composed_configuration import (
    ComposedConfiguration,
    ConfigMixin,
    DevelopmentBaseConfiguration,
    ProductionBaseConfiguration,
)


class _ProjectMixin(ConfigMixin):
    # Define additional project-specific settings or overrides here
    pass

    @staticmethod
    def mutate_configuration(configuration: ComposedConfiguration) -> None:
        # Perform any non-overriding mutation of existing settings here
        # The "configuration" variable contains the flattened settings
        # For example:
        #   configuration.INSTALLED_APPS += ['my_extra_app']
        pass


class DevelopmentConfiguration(_ProjectMixin, DevelopmentBaseConfiguration):
    pass


class ProductionConfiguration(_ProjectMixin, ProductionBaseConfiguration):
    pass

At runtime:

continue to set the DJANGO_SETTINGS_MODULE environment variable (pointing to settings.py)
also set DJANGO_CONFIGURATION, with a value of either DevelopmentConfiguration or ProductionConfiguration