[issue14736] Add {encode, decode}_filter_properties() functions to lzma module

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

The functionality looks a bit cryptic to me. What is the use case?

I wonder if Py_LONG_LONG is always defined (although it certainly is on major platforms).
Other than that, the patch looks technically correct, though I'm not an lzma expert.

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nosy: +pitrou

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