sophon/backend/sophon/settings.py

"""
Django settings for sophon project.

Generated by 'django-admin startproject' using Django 3.1.7.

For more information on this file, see
https://docs.djangoproject.com/en/3.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.1/ref/settings/
"""

import os
from pathlib import Path

# Build paths inside the project like this: BASE_DIR / 'subdir'.
import rest_framework.authentication

BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.environ.get("DJANGO_SECRET_KEY", "change-me-in-production")

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = bool(os.environ.get("DJANGO_DEBUG"))

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.postgres',
    'corsheaders',
    'rest_framework',
    'rest_framework.authtoken',
    'sophon.core',
    'sophon.projects',
    'sophon.notebooks',
]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    '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 = 'sophon.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',
            ],
        },
    },
]

WSGI_APPLICATION = 'sophon.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.1/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'HOST': os.environ.get("DJANGO_DATABASE_HOST", ""),  # Connect via UNIX socket (does not work on Windows)
        'NAME': os.environ.get("DJANGO_DATABASE_NAME", "sophon"),
        'USER': os.environ.get("DJANGO_DATABASE_USER", "sophon"),  # Connect using its own user, isolating sophon from the rest of the server
        'PASSWORD': os.environ.get("DJANGO_DATABASE_PASSWORD", ""),
    }
}

# Remember to run the following commands on a new installation:
# sudo -iu postgres
# createuser sophon
# createdb --owner=sophon sophon
#
# If you need to run tests, also ensure `sophon` is a superuser, or it won't be able to create and drop the testing database!


# Password validation
# https://docs.djangoproject.com/en/3.1/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',
    },
]

AUTHENTICATION_BACKENDS = [
    'django_pam.auth.backends.PAMBackend',
    'django.contrib.auth.backends.ModelBackend',
]


# Internationalization
# https://docs.djangoproject.com/en/3.1/topics/i18n/

LANGUAGE_CODE = os.environ.get("DJANGO_LANGUAGE_CODE", "en-us")

TIME_ZONE = os.environ.get("DJANGO_TIME_ZONE", "UTC")

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.1/howto/static-files/

STATIC_URL = '/static/'


# Django REST framework
# https://www.django-rest-framework.org/#example


REST_FRAMEWORK = {
    # Use Django's standard `django.contrib.auth` permissions,
    # or allow read-only access for unauthenticated users.
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.AllowAny'
    ],
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.BasicAuthentication',
        'rest_framework.authentication.SessionAuthentication',
        'sophon.auth1.BearerTokenAuthentication',
    ],
    'PAGE_SIZE': 100,
}

# Logging
# https://docs.djangoproject.com/en/3.1/ref/settings/#std:setting-LOGGING

LOGGING = {
    "version": 1,
    "formatters": {
        "detail": {
            "format": "{asctime}\t| {levelname}\t| {name}\t| {message}",
            "style": "{",
        }
    },
    "handlers": {
        "console": {
            "class": "logging.StreamHandler",
            "level": "DEBUG",
            "stream": "ext://sys.stdout",
            "formatter": "detail",
        },
    },
    "loggers": {
        "sophon": {
            "level": "DEBUG",
        },
        "django": {
            "level": "INFO",
        },
        "rest_framework": {
            "level": "INFO",
        },
    },
    "root": {
        "handlers": ["console"],
    }
}

# CORS

CORS_ALLOWED_ORIGINS = os.environ["DJANGO_CORS_ALLOWED_ORIGINS"].split("|")
CORS_URLS_REGEX = r"^/api/"