[Advanced Python] Find exceptions and tell me in the right way

目标：一个 REST API，如何写异常，让client端使用的舒舒服服。

  

先来个热身

---

一、异常处理

Ref: Flask Rest API -Part:4- Exception Handling

需要单独写一个这样的文件：errors.py

#~/movie-bag/resources/errors.py

class InternalServerError(Exception):
    pass

class SchemaValidationError(Exception):
    pass

class MovieAlreadyExistsError(Exception):
    pass

class UpdatingMovieError(Exception):
    pass

class DeletingMovieError(Exception):
    pass

class MovieNotExistsError(Exception):
    pass

class EmailAlreadyExistsError(Exception):
    pass

class UnauthorizedError(Exception):
    pass

errors = {
    "InternalServerError": {
        "message": "Something went wrong",
        "status": 500
    },
     "SchemaValidationError": {
         "message": "Request is missing required fields",
         "status": 400
     },
     "MovieAlreadyExistsError": {
         "message": "Movie with given name already exists",
         "status": 400
     },
     "UpdatingMovieError": {
         "message": "Updating movie added by other is forbidden",
         "status": 403
     },
     "DeletingMovieError": {
         "message": "Deleting movie added by other is forbidden",
         "status": 403
     },
     "MovieNotExistsError": {
         "message": "Movie with given id doesn't exists",
         "status": 400
     },
     "EmailAlreadyExistsError": {
         "message": "User with given email address already exists",
         "status": 400
     },
     "UnauthorizedError": {
         "message": "Invalid username or password",
         "status": 401
     }
}

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