[New-bugs-announce] [issue23621] Uninstalling Python 3.5 removes a "py.exe" that was installed with Python 3.4

[Paul Moore]

New submission from Paul Moore:

When I installed Python 3.4, I included the py.exe launcher. I have just installed Python 3.5a0, then uninstalled it again, and the py.exe launcher has gone.

Either the 3.5 installer should notice that py.exe is already present and remember *not* to uninstall it, or it should warn the user when installing that continuing will take ownership of the launcher from a previous installation.

(I understand why having the same file owned by 2 installers causes problems, and that there's no easy fix, but the current behaviour is not at all friendly - I now have to reinstall Python 3.4 to fix it, or at least re-download the installer and try a repair, which might work I guess).

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assignee: steve.dower
components: Installation, Windows
messages: 237640
nosy: pmoore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Uninstalling Python 3.5 removes a "py.exe" that was installed with Python 3.4
versions: Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23621>
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