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python - Difference between Flask abort() or returning a status

What is the difference between abort(400) and returning a response with a 400 status? Is using return bad form for errors?

abort(400, "some error message")
# or
return {'message': "some error message"}, 400
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abort raises an error, which an error handler will convert to a response. return returns a response, error handlers don't trigger. It's up to how you want your application to flow.


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