This project provides a simple and extensible strategy for managing Django settings.
There are three main sections:
- configure - This is intended to be set up before most processing in settings.py, and should mostly be used to enable/disable built-in features. For example, settings.py might configure remote user auth if ENABLE_REMOTE_USER_AUTH is true.
- override - This is used to override settings.py. Use this section for database settings and other more complex configurations that are environment specific.
- inject - This is used to override values using one of the built-in fuctions, or any user-defined function that is made available.
import sys
import os
from settings_manager import SettingsManager
settings_manager = SettingsManager(os.environ.get("DJANGO_SETTINGS_FILE", "/etc/django-settings.yaml"))
# Defaults for configurable items
ENABLE_REMOTE_USER_AUTH = False
ENABLE_MODEL_AUTH = False
# Configure settings manager
settings_manager.configure(sys.modules[__name__])
# Set the module's base directory
BASE_DIR = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
]
AUTHENTICATION_BACKENDS = [
'django.contrib.auth.backends.ModelBackend' if ENABLE_MODEL_AUTH else None,
'shibboleth.backends.ShibbolethRemoteUserBackend' if ENABLE_REMOTE_USER_AUTH else None,
]
# ... other configuration ...
# Rebuild AUTHENTICATION_BACKENDS to remove null values
AUTHENTICATION_BACKENDS = [m for m in AUTHENTICATION_BACKENDS if m is not None]
settings_manager.override(sys.modules[__name__])inject:
DATABASES.default.password:
function: get_env
args: [DJANGO_DATABASE_PASSWORD]
DEBUG:
function: get_env
args: [DJANGO_DEBUG]
value_processors:
- function: str_to_bool
args: ['<<value>>']
configure:
ENABLE_REMOTE_USER_AUTH: true
override:
DATABASES:
default:
username: django
name: django
host: db
port: 5432
password: ~ # will be replaced by injected value.
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