"mailcap" to be removed (3.13) -- suggested replacement ?

[Karsten Hilbert]

Dear list,

Python 3.11 marks "mailcap" for removal in 3.13. The
documentation speaks about "mimetypes" being a replacement,
of sorts. I agree with removing dead batteries.

However, I can't really see how "mimetypes" helps in
replacing the functionality of "mailcap" ?

Put another way: what is the suggested way of replacing that
module in existing code ?  The use case is "find the viewer
for any kind of file (by mimetype), as long as the system
knows".

Thanks,
Karsten
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