a3exception

a3exception

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a3exception is a package for unifying exceptions during front-end and back-end communication.

1. Introduction

errors

• Base exception: Error
• Predefined client exceptions: ValidationError, NotFoundError ...
• Predefined server exceptions: ServerKnownError, ServerUnknownError

DynamicErrorFactory

• Generate a exception dynamically according to the dictionary: build_error_by_status
• Add a custom exception: add_custom_error_cls

2. Usage

Install

pip install a3exception

Examples

from a3exception.dynamic_error_factory import DynamicErrorFactory
from a3exception.errors import Error


class MyError(Error):
    def __init__(self, message: str, **kwargs):
        super().__init__(message=message, **kwargs)

        
if __name__ == "__main__":
    DynamicErrorFactory.add_custom_error_cls(MyError)
    
    error_message = "custom error"
    error = DynamicErrorFactory.build_error_by_status(status=MyError.__name__, message=error_message)
    assert isinstance(error, MyError)
    assert error.message == error_message