old_contents: # Create dummy secrey key so we can use sessions
  SECRET_KEY = '123456790'
  
  # Create in-memory database
  DATABASE_FILE = 'sample_db.sqlite'
  SQLALCHEMY_DATABASE_URI = 'sqlite:///' + DATABASE_FILE
  SQLALCHEMY_ECHO = True
  
  # Flask-Mail config
  MAIL_SERVER = 'smtp.example.com'
  MAIL_PORT = 465
  MAIL_USE_SSL = True
  MAIL_USERNAME = 'username'
  MAIL_PASSWORD = 'password'
  
  # Flask-Security config
  SECURITY_URL_PREFIX = "/secure"
  SECURITY_PASSWORD_HASH = "bcrypt"
  SECURITY_PASSWORD_SALT = "ATGUOHAELKiubahiughaerGOJAEGj"
  
  # Flask-Security URLs, overridden because they don't put a / at the end
  SECURITY_LOGIN_URL = "/login/"
  SECURITY_LOGOUT_URL = "/logout/"
  SECURITY_REGISTER_URL = "/register/"
  SECURITY_UNAUTHORIZED_VIEW = SECURITY_LOGIN_URL
  
  SECURITY_POST_LOGIN_VIEW = "/secure/user/"
  SECURITY_POST_LOGOUT_VIEW = "/secure/login/"
  SECURITY_POST_REGISTER_VIEW = "/secure/user/"
  
  # Flask-Security features
  SECURITY_REGISTERABLE = True
  SECURITY_SEND_REGISTER_EMAIL = False
  SQLALCHEMY_TRACK_MODIFICATIONS = False
  
new_contents: import os
  from os.path import dirname, join
  
  # Create directory for file fields to use
  cleanup_files = True
  file_path = join(dirname(__file__), 'files')
  try:
      os.mkdir(file_path)
  except OSError:
      pass
  
  # Create secret key so we can use sessions
  SECRET_KEY = 'CHANGE_ME'
  
  # Limit uploads to 16MB
  MAX_CONTENT_LENGTH = 16 * 1024 * 1024
  
  # Create in-memory database
  DATABASE_FILE = 'sample_db.sqlite'
  SQLALCHEMY_DATABASE_URI = 'sqlite:///' + DATABASE_FILE
  SQLALCHEMY_ECHO = True
  
  # Flask-Mail config
  MAIL_SERVER = 'CHANGE_ME'
  MAIL_PORT = 465
  MAIL_USE_TLS = False
  MAIL_USE_SSL = True
  MAIL_USERNAME = 'CHANGE_ME'
  MAIL_PASSWORD = 'CHANGE_ME'
  MAIL_DEFAULT_SENDER = ('CHANGE_ME', 'CHANGE_ME')
  
  # Flask-Security config
  SECURITY_URL_PREFIX = "/secure"
  SECURITY_PASSWORD_HASH = "bcrypt"
  SECURITY_PASSWORD_SALT = "CHANGE_ME"
  
  # Flask-Security URLs, overridden because they don't put a / at the end
  SECURITY_LOGIN_URL = "/login/"
  SECURITY_LOGOUT_URL = "/logout/"
  # SECURITY_REGISTER_URL = "/register/"
  SECURITY_UNAUTHORIZED_VIEW = SECURITY_LOGIN_URL
  
  SECURITY_POST_LOGIN_VIEW = "/secure/user/"
  SECURITY_POST_LOGOUT_VIEW = "/secure/login/"
  SECURITY_POST_REGISTER_VIEW = "/secure/user/"
  
  # Flask-Security features
  SECURITY_CONFIRMABLE = False
  SECURITY_REGISTERABLE = False
  SECURITY_RECOVERABLE = False
  SECURITY_SEND_REGISTER_EMAIL = False
  SQLALCHEMY_TRACK_MODIFICATIONS = False
  
subject: Update config