[issue37413] Deprecate sys._enablelegacywindowsfsencoding()

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Oh, INADA-san found an issue of this function: Mercurial. I close this issue and I closed my PR. We can reconsider to deprecate the function once Mercurial will stop to use it.

Copy of INADA-san message:

"""
I think we should keep this several years.

Currently, mercurial depends on it.
https://www.mercurial-scm.org/repo/hg/file/tip/mercurial/pycompat.py#l103

There is a plan for moving to UTF-8 path, and legacyfsencoding is not needed if this plan is implemented. But I don't know about current progress of this plan.
https://www.mercurial-scm.org/wiki/WindowsUTF8Plan
"""

https://github.com/python/cpython/pull/18396#issuecomment-583284632

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resolution:  -> rejected
stage: patch review -> resolved
status: open -> closed

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