[issue37891] Exceptions tutorial page does not mention raise from

Raymond Hettinger added the comment: Thanks for looking. This issue does appear to be out of date. -- resolution: -> out of date stage: -> resolved status: open -> closed ___ Python tracker

[issue37891] Exceptions tutorial page does not mention raise from

Bonifacio added the comment: Version 3.9 of the docs already cover the syntax Neils talks about in his original message. https://docs.python.org/3.9/tutorial/errors.html#exception-chaining Is there anything left to be done here? If so, I'm glad to help with them, but I would need

[issue37891] Exceptions tutorial page does not mention raise from

Change by Irit Katriel : -- keywords: +easy versions: +Python 3.10 -Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9 ___ Python tracker ___

[issue37891] Exceptions tutorial page does not mention raise from

Niels Albers added the comment: Thanks Srinivas for the suggestion. IMO exception chaining has more utility than only dealing with new exceptions that are caused by exception handling. It's all about preserving exception context. As both a writer of libraries and a user of such, I do like

[issue37891] Exceptions tutorial page does not mention raise from

Srinivas Nyayapati added the comment: Here is my first pass at this. I propose the following sentence be added at the end section 8.4: If you need to track related exceptions (exceptions during exception handling), you should use exception chaining. You can chain exceptions by using the

[issue37891] Exceptions tutorial page does not mention raise from

Raymond Hettinger added the comment: Please give Niel a chance to submit wording, even a post here on the tracker will be fine. We usually defer to the person who actually encountered the issue. If after a week or so, there is no response, you can pick this up. Try to be minimal with

[issue37891] Exceptions tutorial page does not mention raise from

Srinivas Nyayapati added the comment: In case Niels Albers is not interested, can I submit a PR? I noticed the linked raise reference documentation from the tutorial having details on exception chaining (https://docs.python.org/3.7/reference/simple_stmts.html#raise). Does it make sense to

[issue37891] Exceptions tutorial page does not mention raise from

Raymond Hettinger added the comment: Thanks for spotting this omission. Would you like to submit a PR with a short paragraph on exception chaining and "raise from"? -- nosy: +rhettinger ___ Python tracker

[issue37891] Exceptions tutorial page does not mention raise from

Change by Niels Albers : -- type: -> enhancement ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue37891] Exceptions tutorial page does not mention raise from

New submission from Niels Albers : raise from has been in the language since python 3, yet the tutorial page teaching about exceptions does not mention it. (see https://docs.python.org/3.7/tutorial/errors.html#raising-exceptions) It would be especially helpful to language newcomers to touch