text: from enum import Enum
  
  
  class ErrorEnums(Enum):
      UNAUTHORIZED_ERROR = {'error': 'You are unauthorized to access this resource.'}
      ALLOWED_SPECIAL_CHARACTERS = ['#', '@', '$', '!', '%', '*', '?', '&', '.', '+', '%', '_', '^']
      INVALID_PASSWORD_ERROR = {
          'error':
              "Invalid Password. Please check your password and try again.",
          'help': {
              1: "Minimum length should be 8.",
              2: "Should contain at least one digit, lowercase character and an uppercase character.",
              3: "Should contain one special character.",
              4: "Allowed special characters - {}".format(ALLOWED_SPECIAL_CHARACTERS)
          }
      }
      INVALID_PHONE_LENGTH_ERROR = "Invalid phone number length. Please check your phone number."
      INACTIVE_USER_ERROR = "User is currently inactive."
      NO_USER_FOUND_ERROR = "No user found. Please check your input."
      INVALID_INPUT_SUPPLIED_ERROR = "Invalid input exception. Please check your input and try again."
      UNKNOWN_REQUEST_ERROR = 'Unknown request encountered. Please check your parameters.'
      EMAIL_ALREADY_EXISTS_ERROR = "The email id already exists with another user. Please use different address."
      USER_NAME_ALREADY_EXISTS = "The username already exists for another user. Please try a different username."
      EXCEPTION_ERROR = "Exception - {} - occurred at - {}."
      INVALID_TOKEN_EXCEPTION = "Please provide your own valid session token."
      SESSION_NOT_FOUND_ERROR = "No session found. Please check your session token."
      ID_MISSING_ERROR = {'error': 'Id is a required field. Please input an ID and try again.'}
      NO_BOOK_FOUND_ERROR = {'error': 'No book found.'}
      INACTIVE_BOOK_ERROR = {'error': 'Book is currently inactive.'}
      PROTECTED_BOOK_ACCESS_ERROR = {'error': 'Cannot access book as the book is not public.'}
      INVALID_EMAIL_FORMAT_ERROR = "Invalid email format. Please check your email and try again."
      INVALID_ID_FORMAT_ERROR = {'error': 'Invalid id detected. Please check your input and try again.'}
      BOOK_OWNER_NOT_MATCH_ERROR = {'error': 'Only book owner can update the book details.'}
      MAX_SIZE_EXCEED_ERROR_FOR_DOC = {'error': 'Maximum allowed file size is 10 MB.'}
      INVALID_PRIVACY_ERROR = {'error': 'Invalid privacy for book. Valid options are PUBLIC or PRIVATE.'}
  