class AppError(Exception):

def __init__(self, status_code: int, code: str, message: str = None, request_id: str = None):

self.status_code = status_code

self.code = code

self.message = message

self.request_id = request_id

super().__init__(message)

class InvalidRequest(AppError):

def __init__(self, status_code=400, code="InvalidRequest", message="Arguments are invalid.", request_id: str = None ):

super().__init__(status_code, code, message)

class NotFound(AppError):

def __init__(self, status_code=404, code="NotFound", message="Resource not found.", request_id: str = None):

super().__init__(status_code, code, message)

class InternalServerError(AppError):

def __init__(self, status_code=500, code="InternalServerError", message="Something went wrong.", request_id: str = None):

super().__init__(status_code, code, message)