Feature or enhancement

Proposal:

Four changes:

1. Add link to genericpath.py & remove redundant availability in the documentation for os.path
2. Deduplicate lexists & fallback isjunction implementations by defining them in genericpath.
3. Move fallback ntpath.isdevdrive to genericpath to provide the same interface for posixpath & ntpath.
4. Add isdevdrive to ntpath.__all__.

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

No response

Linked PRs

• gh-117114: Add isdevdrive to posixpath #117115
• [3.12] gh-117114: Add isdevdrive to posixpath (GH-117115) #117249
• [3.12] gh-117114: Update availability and source code link in os.path.rst #117756