Steve Dower <steve.do...@python.org> added the comment:
I'm closing this as not a bug.
It's a few steps deep, but DefineDosDeviceW() [1] specifies that it creates
junctions, and while it's not necessarily obvious how to get from SUBST to that
page, Wikipedia managed it [2]. And I don't think it's unreasonable to expect
people to either think about this really shallowly ("realpath will find the
real path") or really deeply ("let me research every aspect to find the true
answer") and avoid over-specifying the behaviour in our own documentation.
"MS-DOS device names are stored as junctions in the object namespace. The code
that converts an MS-DOS path into a corresponding path uses these junctions to
map MS-DOS devices and drive letters. The DefineDosDevice function enables an
application to modify the junctions used to implement the MS-DOS device
namespace."
[1]:
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-definedosdevicew
[2]: https://en.wikipedia.org/wiki/SUBST
----------
resolution: -> not a bug
stage: -> resolved
status: open -> closed
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<https://bugs.python.org/issue37993>
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