settings.py

"""
Django settings for core project.

Generated by 'django-admin startproject' using Django 4.1.2.

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, random, string
from pathlib import Path
from dotenv import load_dotenv

load_dotenv()  # take environment variables from .env.

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

# 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 = os.environ.get('SECRET_KEY')
if not SECRET_KEY:
    SECRET_KEY = ''.join(random.choice( string.ascii_lowercase  ) for i in range( 32 ))

# Render Deployment Code
DEBUG = 'RENDER' not in os.environ

# HOSTs List
ALLOWED_HOSTS = ['localhost', '127.0.0.1']

# Add here your deployment HOSTS
CSRF_TRUSTED_ORIGINS = ['http://localhost:8000', 'http://localhost:5085', 'http://127.0.0.1:8000', 'http://127.0.0.1:5085']

RENDER_EXTERNAL_HOSTNAME = os.environ.get('RENDER_EXTERNAL_HOSTNAME')
if RENDER_EXTERNAL_HOSTNAME:    
    ALLOWED_HOSTS.append(RENDER_EXTERNAL_HOSTNAME)

# Application definition

INSTALLED_APPS = [
    'admin_datta.apps.AdminDattaConfig',
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",

    "home",
]

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

ROOT_URLCONF = "core.urls"

HOME_TEMPLATES = os.path.join(BASE_DIR, 'templates')

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [HOME_TEMPLATES],
        "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",
            ],
        },
    },
]

WSGI_APPLICATION = "core.wsgi.application"


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

DB_ENGINE   = os.getenv('DB_ENGINE'   , None)
DB_USERNAME = os.getenv('DB_USERNAME' , None)
DB_PASS     = os.getenv('DB_PASS'     , None)
DB_HOST     = os.getenv('DB_HOST'     , None)
DB_PORT     = os.getenv('DB_PORT'     , None)
DB_NAME     = os.getenv('DB_NAME'     , None)

if DB_ENGINE and DB_NAME and DB_USERNAME:
    DATABASES = { 
      'default': {
        'ENGINE'  : 'django.db.backends.' + DB_ENGINE, 
        'NAME'    : DB_NAME,
        'USER'    : DB_USERNAME,
        'PASSWORD': DB_PASS,
        'HOST'    : DB_HOST,
        'PORT'    : DB_PORT,
        }, 
    }
else:
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': 'db.sqlite3',
        }
    }

# Password validation
# https://docs.djangoproject.com/en/4.1/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",
    },
]


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

LANGUAGE_CODE = "en-us"

TIME_ZONE = "UTC"

USE_I18N = True

USE_TZ = True


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

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')

STATICFILES_DIRS = (
    os.path.join(BASE_DIR, 'static'),
)

#if not DEBUG:
#    STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'

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

DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

LOGIN_REDIRECT_URL = '/'
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'