Refactor the MIMEAudio module #102542

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1. JosephSBoyle

   added

   type-featureA feature request or enhancementA feature request or enhancement

   on Mar 8, 2023
2. AlexWaygood

   added

   topic-email

   on Mar 8, 2023
3. warsaw commented on Jul 3, 2023

   

   warsaw

   on Jul 3, 2023

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   @JosephSBoyle - thanks for your contributions. I'm commenting here rather than on the PR (although I did add some feedback over there). Please also notice that Lib/email/mime/image.py uses a similar "rules" based mechanism to infer the image/* subtype when not provided.

   One reason I went with this in my rewrite was so that we could easily extend the list of subtypes that we could recognize. Just add another @rule and you're done. While rule() isn't explicitly exposed publicly in either module, one could conceivably extend the list of subtypes in 3rd party code by doing something like:

   from email.mime.audio import rule
   
   @rule
   def _my_image_type(h):
       if h[:5] == 'FLUFL':
           return 'flufl'

   I wouldn't want to lose that implicit extensibility unless there's a good reason to. I'm not sure module size or "marginally improved performance" are compelling enough. Can you provide some performance numbers? Even if they were mind-blowingly better, I'm not sure this is performance critical code.
4. JosephSBoyle commented on Jul 4, 2023

   

   JosephSBoyle

   on Jul 4, 2023

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   Hi @warsaw, thanks for taking a look at the PR.

   I wouldn't want to lose that implicit extensibility unless there's a good reason to

   Fair enough, I'm sure that someone is registering their own rules so it makes sense to keep that functionality 😄

   ---

   Would you accept a new, smaller PR to remove the unnecessary header slicing and unused fakefile instance?
5. warsaw commented on Jul 4, 2023

   

   warsaw

   on Jul 4, 2023

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   Would you accept a new, smaller PR to remove the unnecessary header slicing and unused fakefile instance?

   I would! Yeah, there's no reason any more to slice the data and it makes sense for audio.py and image.py to have a similar implementation (but not the same implementation because they have different _rules).
6. JosephSBoyle commented on Jul 4, 2023

   

   JosephSBoyle

   on Jul 4, 2023

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   Awesome, I've created the new PR here: #106433.

   @warsaw
7. warsaw

   added a commit that references this issue on Jul 5, 2023

   gh-102542 Remove unused bytes object and bytes slicing (#106433)

   ...

   70e2a42
8. carljm

   added a commit that references this issue on Jul 5, 2023

   Merge branch 'main' into modulelocals

   ...

   4c59e51
9. JosephSBoyle commented on Jul 6, 2023

   

   JosephSBoyle

   on Jul 6, 2023

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   Closing as completed.
10. JosephSBoyle

    closed this as completedon Jul 6, 2023