base.py

from django.core.exceptions import ImproperlyConfigured
import json


# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
from unipath import Path
BASE_DIR = Path(__file__).ancestor(3)


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
with open("secret.json") as f:
    secret = json.loads(f.read())

def get_secret(secret_name, secrets=secret):
    try:
        return secrets[secret_name]
    except:
        msg = "la variable %s no existe" % secret_name
        raise ImproperlyConfigured(msg)



SECRET_KEY = get_secret('SECRET_KEY')


# Application definition

DJANGO_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
)

LOCAL_APPS = (
    'applications.users',
)

THIRD_PARTY_APPS = ()

INSTALLED_APPS = DJANGO_APPS + LOCAL_APPS + THIRD_PARTY_APPS

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    '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 = 'usuarios.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR.child('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 = 'usuarios.wsgi.application'


# Password validation
# https://docs.djangoproject.com/en/2.2/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',
    },
]

AUTH_USER_MODEL = 'users.User'

# Internationalization
# https://docs.djangoproject.com/en/2.2/topics/i18n/

LANGUAGE_CODE = 'es-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

secret.json

{
    "FILENAME": "secret.json",
    "SECRET_KEY": "7%sp*+l6*i@t-8*)$nf1u^)9w_o8yz^bw7xu1rrmwx_o(t$#c1",
    "DB_NAME": "dbuser",
    "USER": "neunapp",
    "PASSWORD": "neunapp2020",
    "EMAIL": "neunapp.cursos@gmail.com",
    "PASS_EMAIL": "********"
}