Metadata

ID: python-best-practices/no-base-exception

Language: Python

Severity: Notice

Category: Best Practices

Description

Do not raise Exception and BaseException. These are too generic. Having generic exceptions makes it difficult to differentiate errors in a program. Use a specific exception, for example, ValueError, or create your own instead of using generic ones.

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• Stop using raise Exception

Non-Compliant Code Examples

if foo: 	raise Exception("bla") elif bar: 	raise Exception else: 	raise Exception 

def use_base_exception(): 	raise Exception 	raise Exception("awesome") 

for v in list: 	raise BaseException 

Compliant Code Examples

if foo: 	print("bar") else: 	raise ValueError 

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