backend/app/conf/settings/base.py

from pathlib import Path
import os

import environ

APPS_DIR = Path(__file__).resolve(strict=True).parent.parent.parent
ROOT_DIR = APPS_DIR.parent
env = environ.Env()

READ_DOT_ENV_FILE = env.bool("DJANGO_READ_DOT_ENV_FILE", default=True)
if READ_DOT_ENV_FILE:
    # OS environment variables take precedence over variables from .env
    env.read_env(str(ROOT_DIR / ".env"))

# GENERAL
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#debug
DEBUG = env.bool("DJANGO_DEBUG", False)
# Local time zone. Choices are
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# though not all of them may be available with every OS.
# In Windows, this must be set to your system time zone.
TIME_ZONE = "Europe/Moscow"
# https://docs.djangoproject.com/en/dev/ref/settings/#language-code
LANGUAGE_CODE = "en-us"
# https://docs.djangoproject.com/en/dev/ref/settings/#site-id
SITE_ID = 1
# https://docs.djangoproject.com/en/dev/ref/settings/#use-i18n
USE_I18N = True
# https://docs.djangoproject.com/en/dev/ref/settings/#use-l10n
USE_L10N = True
# https://docs.djangoproject.com/en/dev/ref/settings/#use-tz
USE_TZ = True
# https://docs.djangoproject.com/en/dev/ref/settings/#locale-paths
LOCALE_PATHS = [str(APPS_DIR / "locale")]

# DATABASES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#databases
DATABASES = {"default": env.db("DATABASE_URL")}
DATABASES["default"]["ATOMIC_REQUESTS"] = True

# https://docs.djangoproject.com/en/stable/ref/settings/#std:setting-DEFAULT_AUTO_FIELD
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# URLS
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#root-urlconf
ROOT_URLCONF = "conf.urls"
# https://docs.djangoproject.com/en/dev/ref/settings/#wsgi-application
WSGI_APPLICATION = "conf.wsgi.application"

# APPS
# ------------------------------------------------------------------------------
DJANGO_APPS = [
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.sites",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "django.contrib.humanize",
    "django.contrib.admin",
    "django.forms",
    "django.contrib.postgres",
]
THIRD_PARTY_APPS = ["rest_framework", "corsheaders", "drf_yasg"]

LOCAL_APPS = ["search"]
# https://docs.djangoproject.com/en/dev/ref/settings/#installed-apps
INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS

# AUTHENTICATION
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#authentication-backends
AUTHENTICATION_BACKENDS = [
    "django.contrib.auth.backends.ModelBackend",
]

# PASSWORDS
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#auth-password-validators
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"},
]

# MIDDLEWARE
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#middleware
MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "corsheaders.middleware.CorsMiddleware",
    "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.common.BrokenLinkEmailsMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

# TEMPLATES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#templates
TEMPLATES = [
    {
        # https://docs.djangoproject.com/en/dev/ref/settings/#std:setting-TEMPLATES-BACKEND
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        # https://docs.djangoproject.com/en/dev/ref/settings/#dirs
        "DIRS": [str(APPS_DIR / "templates")],
        # https://docs.djangoproject.com/en/dev/ref/settings/#app-dirs
        "APP_DIRS": True,
        "OPTIONS": {
            # https://docs.djangoproject.com/en/dev/ref/settings/#template-context-processors
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.template.context_processors.i18n",
                "django.template.context_processors.media",
                "django.template.context_processors.static",
                "django.template.context_processors.tz",
                "django.contrib.messages.context_processors.messages",
            ],
        },
    }
]

# https://docs.djangoproject.com/en/dev/ref/settings/#form-renderer
FORM_RENDERER = "django.forms.renderers.TemplatesSetting"

# FIXTURES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#fixture-dirs
FIXTURE_DIRS = (str(APPS_DIR / "fixtures"),)

# SECURITY
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#session-cookie-httponly
SESSION_COOKIE_HTTPONLY = True
# https://docs.djangoproject.com/en/dev/ref/settings/#csrf-cookie-httponly
CSRF_COOKIE_HTTPONLY = True
# https://docs.djangoproject.com/en/dev/ref/settings/#secure-browser-xss-filter
SECURE_BROWSER_XSS_FILTER = True
# https://docs.djangoproject.com/en/dev/ref/settings/#x-frame-options
X_FRAME_OPTIONS = "DENY"

# ADMIN
# ------------------------------------------------------------------------------
# Django Admin URL.
ADMIN_URL = "admin/"
# https://docs.djangoproject.com/en/dev/ref/settings/#admins
ADMINS = [("""sanspie""", "alexandr.d.karpov@gmail.com")]
# https://docs.djangoproject.com/en/dev/ref/settings/#managers
MANAGERS = ADMINS

# LOGGING
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#logging
# See https://docs.djangoproject.com/en/dev/topics/logging for
# more details on how to customize your logging configuration.
LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "verbose": {
            "format": "%(levelname)s %(asctime)s %(module)s "
            "%(process)d %(thread)d %(message)s"
        }
    },
    "handlers": {
        "console": {
            "level": "DEBUG",
            "class": "logging.StreamHandler",
            "formatter": "verbose",
        }
    },
    "root": {"level": "INFO", "handlers": ["console"]},
}

# Celery
# ------------------------------------------------------------------------------
if USE_TZ:
    # https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-timezone
    CELERY_TIMEZONE = TIME_ZONE
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-broker_url
CELERY_BROKER_URL = env("CELERY_BROKER_URL")
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-result_backend
CELERY_RESULT_BACKEND = CELERY_BROKER_URL
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-accept_content
CELERY_ACCEPT_CONTENT = ["json"]
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-task_serializer
CELERY_TASK_SERIALIZER = "json"
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-result_serializer
CELERY_RESULT_SERIALIZER = "json"
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#task-time-limit
CELERY_TASK_TIME_LIMIT = 5 * 60
# https://docs.celeryq.dev/en/stable/userguide/configuration.html#task-soft-time-limit
CELERY_TASK_SOFT_TIME_LIMIT = 60


# django-rest-framework
# -------------------------------------------------------------------------------
REST_FRAMEWORK = {
    "DEFAULT_AUTHENTICATION_CLASSES": (
        "rest_framework_simplejwt.authentication.JWTAuthentication",
    ),
    "DEFAULT_PERMISSION_CLASSES": ("rest_framework.permissions.IsAuthenticated",),
}

# django-cors-headers
CORS_ALLOW_ALL_ORIGINS = True