getfilesystemencoding

sys

function

getfilesystemencoding()

Return the encoding used to convert Unicode filenames to OS filenames.

© Python Software Foundation. PSF License Version 2 · Official docs ↗

Changed in 3.2, 3.6, 3.7

3.2: getfilesystemencoding() result cannot be None anymore.
3.6: Windows is no longer guaranteed to return 'mbcs'. See PEP 529 and _enablelegacywindowsfsencoding() for more information.
3.7: Return 'utf-8' if the Python UTF-8 Mode is enabled.