text: """
  Django settings for djangoblog project.
  
  Generated by 'django-admin startproject' using Django 1.10.2.
  
  For more information on this file, see
  https://docs.djangoproject.com/en/1.10/topics/settings/
  
  For the full list of settings and their values, see
  https://docs.djangoproject.com/en/1.10/ref/settings/
  """
  import os
  import sys
  
  
  def env_to_bool(env, default):
      str_val = os.environ.get(env)
      return default if str_val is None else str_val == 'True'
  
  
  # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
  
  BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  
  # Quick-start development settings - unsuitable for production
  # See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
  
  # SECURITY WARNING: keep the secret key used in production secret!
  SECRET_KEY = os.environ.get(
      'DJANGO_SECRET_KEY') or 'n9ceqv38)#&mwuat@(mjb_p%em$e8$qyr#fw9ot!=ba6lijx-6'
  # SECURITY WARNING: don't run with debug turned on in production!
  DEBUG = env_to_bool('DJANGO_DEBUG', True)
  # DEBUG = False
  TESTING = len(sys.argv) > 1 and sys.argv[1] == 'test'
  
  # ALLOWED_HOSTS = []
  ALLOWED_HOSTS = ['*', '127.0.0.1', 'example.com']
  # Application definition
  
  
  INSTALLED_APPS = [
      # 'django.contrib.admin',
      'django.contrib.admin.apps.SimpleAdminConfig',
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.messages',
      'django.contrib.staticfiles',
      'django.contrib.sites',
      'django.contrib.sitemaps',
      'mdeditor',
      'haystack',
      'blog',
      'accounts',
      'comments',
      'oauth',
      'servermanager',
      'owntracks',
      'compressor'
  ]
  
  MIDDLEWARE = [
      'django.middleware.security.SecurityMiddleware',
      'django.contrib.sessions.middleware.SessionMiddleware',
      'django.middleware.gzip.GZipMiddleware',
      # 'django.middleware.cache.UpdateCacheMiddleware',
      'django.middleware.common.CommonMiddleware',
      # 'django.middleware.cache.FetchFromCacheMiddleware',
      'django.middleware.csrf.CsrfViewMiddleware',
      'django.contrib.auth.middleware.AuthenticationMiddleware',
      'django.contrib.messages.middleware.MessageMiddleware',
      'django.middleware.clickjacking.XFrameOptionsMiddleware',
      'django.middleware.http.ConditionalGetMiddleware',
      'blog.middleware.OnlineMiddleware',
  ]
  
  ROOT_URLCONF = 'djangoblog.urls'
  
  TEMPLATES = [
      {
          'BACKEND': 'django.template.backends.django.DjangoTemplates',
          'DIRS': [os.path.join(BASE_DIR, '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',
                  'blog.context_processors.seo_processor'
              ],
          },
      },
  ]
  
  WSGI_APPLICATION = 'djangoblog.wsgi.application'
  
  # Database
  # https://docs.djangoproject.com/en/1.10/ref/settings/#databases
  
  
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.mysql',
          'NAME': 'djblog',
          'USER': 'root',
          'PASSWORD': 'Yiranzai1qi!',
          'HOST': 'championwzp.asuscomm.com',
          'PORT': '3306',
      }
  }
  
  # Password validation
  # https://docs.djangoproject.com/en/1.10/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/1.10/topics/i18n/
  
  LANGUAGE_CODE = 'zh-hans'
  
  TIME_ZONE = 'Asia/Shanghai'
  
  USE_I18N = True
  
  USE_L10N = True
  
  USE_TZ = False
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/1.10/howto/static-files/
  
  
  HAYSTACK_CONNECTIONS = {
      'default': {
          'ENGINE': 'djangoblog.whoosh_cn_backend.WhooshEngine',
          'PATH': os.path.join(os.path.dirname(__file__), 'whoosh_index'),
      },
  }
  # Automatically update searching index
  HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
  # Allow user login with username and password
  AUTHENTICATION_BACKENDS = [
      'accounts.user_login_backend.EmailOrUsernameModelBackend']
  
  STATIC_ROOT = os.path.join(BASE_DIR, 'collectedstatic')
  
  STATIC_URL = '/static/'
  STATICFILES = os.path.join(BASE_DIR, 'static')
  
  AUTH_USER_MODEL = 'accounts.BlogUser'
  LOGIN_URL = '/login/'
  
  TIME_FORMAT = '%Y-%m-%d %H:%M:%S'
  DATE_TIME_FORMAT = '%Y-%m-%d'
  
  # bootstrap color styles
  BOOTSTRAP_COLOR_TYPES = [
      'default', 'primary', 'success', 'info', 'warning', 'danger'
  ]
  
  # paginate
  PAGINATE_BY = 10
  # http cache timeout
  CACHE_CONTROL_MAX_AGE = 2592000
  # cache setting
  CACHES = {
      'default': {
          'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
          'TIMEOUT': 10800,
          'LOCATION': 'unique-snowflake',
      }
  }
  
  SITE_ID = 1
  BAIDU_NOTIFY_URL = os.environ.get('DJANGO_BAIDU_NOTIFY_URL') \
                     or 'http://data.zz.baidu.com/urls?site=https://www.lylinux.net&token=1uAOGrMsUm5syDGn'
  
  # Email:
  EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
  EMAIL_USE_TLS = env_to_bool('DJANGO_EMAIL_TLS', False)
  EMAIL_USE_SSL = env_to_bool('DJANGO_EMAIL_SSL', True)
  EMAIL_HOST = os.environ.get('DJANGO_EMAIL_HOST') or 'smtp.mxhichina.com'
  EMAIL_PORT = int(os.environ.get('DJANGO_EMAIL_PORT') or 465)
  EMAIL_HOST_USER = os.environ.get('DJANGO_EMAIL_USER')
  EMAIL_HOST_PASSWORD = os.environ.get('DJANGO_EMAIL_PASSWORD')
  DEFAULT_FROM_EMAIL = EMAIL_HOST_USER
  SERVER_EMAIL = EMAIL_HOST_USER
  # Setting debug=false did NOT handle except email notifications
  ADMINS = [('admin', os.environ.get('DJANGO_ADMIN_EMAIL') or 'admin@admin.com')]
  # WX ADMIN password(Two times md5)
  WXADMIN = os.environ.get(
      'DJANGO_WXADMIN_PASSWORD') or '995F03AC401D6CABABAEF756FC4D43C7'
  
  LOGGING = {
      'version': 1,
      'disable_existing_loggers': False,
      'root': {
          'level': 'INFO',
          'handlers': ['console', 'log_file'],
      },
      'formatters': {
          'verbose': {
              'format': '[%(asctime)s] %(levelname)s [%(name)s.%(funcName)s:%(lineno)d %(module)s] %(message)s',
          }
      },
      'filters': {
          'require_debug_false': {
              '()': 'django.utils.log.RequireDebugFalse',
          },
          'require_debug_true': {
              '()': 'django.utils.log.RequireDebugTrue',
          },
      },
      'handlers': {
          'log_file': {
              'level': 'INFO',
              'class': 'logging.handlers.RotatingFileHandler',
              'filename': 'djangoblog.log',
              'maxBytes': 16777216,  # 16 MB
              'formatter': 'verbose'
          },
          'console': {
              'level': 'DEBUG',
              'filters': ['require_debug_true'],
              'class': 'logging.StreamHandler',
              'formatter': 'verbose'
          },
          'null': {
              'class': 'logging.NullHandler',
          },
          'mail_admins': {
              'level': 'ERROR',
              'filters': ['require_debug_false'],
              'class': 'django.utils.log.AdminEmailHandler'
          }
      },
      'loggers': {
          'djangoblog': {
              'handlers': ['log_file', 'console'],
              'level': 'INFO',
              'propagate': True,
          },
          'django.request': {
              'handlers': ['mail_admins'],
              'level': 'ERROR',
              'propagate': False,
          }
      }
  }
  
  STATICFILES_FINDERS = (
      'django.contrib.staticfiles.finders.FileSystemFinder',
      'django.contrib.staticfiles.finders.AppDirectoriesFinder',
      # other
      'compressor.finders.CompressorFinder',
  )
  COMPRESS_ENABLED = True
  # COMPRESS_OFFLINE = True
  
  
  COMPRESS_CSS_FILTERS = [
      # creates absolute urls from relative ones
      'compressor.filters.css_default.CssAbsoluteFilter',
      # css minimizer
      'compressor.filters.cssmin.CSSMinFilter'
  ]
  COMPRESS_JS_FILTERS = [
      'compressor.filters.jsmin.JSMinFilter'
  ]
  
  MEDIA_ROOT = os.path.join(BASE_DIR, 'uploads')
  MEDIA_URL = '/media/'
  X_FRAME_OPTIONS = 'SAMEORIGIN'
  
  DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
  
  if os.environ.get('DJANGO_ELASTICSEARCH_HOST'):
      ELASTICSEARCH_DSL = {
          'default': {
              'hosts': os.environ.get('DJANGO_ELASTICSEARCH_HOST')
          },
      }
      HAYSTACK_CONNECTIONS = {
          'default': {
              'ENGINE': 'djangoblog.elasticsearch_backend.ElasticSearchEngine',
          },
      }
  