LANGUAGE » PYTHON

Exception

Last updated:
Reference:docs.python.org

Raise / except ​

Single:

python
try:
    raise Exception('No way!')
except Exception as err:
    print('Error: {}'.format(str(err)))
    raise

Multiple:

python
try:
    some_function()
except (RuntimeError, TypeError, NameError):
    pass

Create custom exception ​

python
class CustomError(Exception):
    """Custom error's base exception."""
    def __init__(self, message: str):
        super().__init__(f'Error ocurred - {message}')

class ApplicationSpecificError(CustomError):
    """An application specific error that inherits CustomError."""
    def __init__(self):
        super().__init__('Application specific exception was raised.')