drinks-manager/project/settings.py

"""
Django settings for project project.

Generated by 'django-admin startproject' using Django 4.1.6.

For more information on this file, see
https://docs.djangoproject.com/en/4.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.1/ref/settings/
"""

import os
from pathlib import Path
from yaml import safe_load

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# Load configuration file
with Path(BASE_DIR / "data" / "config.yml").open("r") as f:
    config = safe_load(f)

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = config["app"]["secret_key"]
if SECRET_KEY == "!!!replace this with random data!!!" or len(SECRET_KEY) < 40:
    print(
        "WARNING: You didn't provide a secure secret_key in the configuration file!",
        "This is a security risk!!!")

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
if "APP_PROD" in os.environ:
    DEBUG = not os.environ["APP_PROD"]

# ALLOWED_HOSTS can be wildcarded,
# because caddy already handles requests
ALLOWED_HOSTS = ["*"]

# Application definition

INSTALLED_APPS = [
    "app.apps.AppConfig",
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.locale.LocaleMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

ROOT_URLCONF = "project.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [],
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
                "app.context_processors.app_version"
            ],
        },
    },
]

WSGI_APPLICATION = "project.wsgi.application"

# Database
# https://docs.djangoproject.com/en/4.1/ref/settings/#databases

DATABASES = {
    "default": {
        "ENGINE": 'django.db.backends.postgresql',
        "NAME": config["db"]["database"],
        "USER": config["db"]["user"],
        "PASSWORD": config["db"]["password"],
        "HOST": config["db"]["host"],
        "PORT": str(config["db"]["port"]),
    }
}

# Password validation
# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators

if config["app"]["password_validation"]:
    AUTH_PASSWORD_VALIDATORS = [
        {
            "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
        },
        {
            "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
        },
        {
            "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
        },
        {
            "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
        },
    ]
else:
    AUTH_PASSWORD_VALIDATORS = []

# Security settings

AUTH_USER_MODEL = "app.User"
SESSION_COOKIE_AGE = int(config["app"]["session_cookie_age"])
CSRF_COOKIE_SECURE = True
SESSION_COOKIE_SECURE = True
CSRF_TRUSTED_ORIGINS = [
    f"https://{config['caddy']['host']}",
    f"http://{config['caddy']['host']}",
    f"https://{config['caddy']['host']}:{config['caddy']['https_port']}",
    f"http://{config['caddy']['host']}:{config['caddy']['https_port']}"]

# Internationalization
# https://docs.djangoproject.com/en/4.1/topics/i18n/

LANGUAGE_CODE = config["app"]["language_code"]
TIME_ZONE = config["app"]["timezone"]
USE_I18N = True
USE_L10N = True
USE_TZ = True

LOCALE_PATHS = [
    BASE_DIR / "locales"
]

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.1/howto/static-files/

STATIC_URL = "static/"
STATIC_ROOT = BASE_DIR / "data" / "static"

# Default primary key field type
# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# Additional settings

if "APP_VERSION" in os.environ:
    APP_VERSION = os.environ["APP_VERSION"]
else:
    APP_VERSION = "unknown"

CURRENCY_SUFFIX = config["app"]["currency_suffix"]