[issue29911] Uninstall command line in Windows registry does not uninstall

[Steve Dower]

Change by Steve Dower :


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

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[issue29911] Uninstall command line in Windows registry does not uninstall

[Steve Dower]

Change by Steve Dower :


--
keywords: +patch
pull_requests: +4986
stage:  -> patch review

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[issue29911] Uninstall command line in Windows registry does not uninstall

[Zachary Ware]

Changes by Zachary Ware :


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nosy:  -zach.ware

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[issue29911] Uninstall command line in Windows registry does not uninstall

[Christian Ullrich]

Christian Ullrich added the comment:

Thank you.


As for the pointing out: It worked for Cato, didn't it? He may not have lived 
to see it, but his perseverance in the face of rejection eventually brought 
about the years-long bloody war he had dreamed about.

(Any historical inaccuracies in the above are the property of the author.)

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[issue29911] Uninstall command line in Windows registry does not uninstall

[Steve Dower]

Steve Dower added the comment:

I'll take a look at having separate commands set, but the component responsible 
is external and this may be an issue for them.

Also, for future reference, continuing to point out that you would have 
preferred an MSI does not help you get faster assistance, and does not count as 
more "votes" towards any change. Continuing to add it will eventually annoy the 
volunteers who work on CPython sufficiently that you may find it very hard to 
get any attention at all.

--
assignee:  -> steve.dower
versions: +Python 3.7

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[issue29911] Uninstall command line in Windows registry does not uninstall

[Christian Ullrich]

New submission from Christian Ullrich:

The Windows installation package registers a command line for uninstalling the 
package. Running this command line does not uninstall the package.

The command line ends with "/modify". For uninstallation, it should be 
"/passive /uninstall".

Windows provides for separate command lines for modifying and uninstalling 
packages to be set in the "Uninstall" subkey:

- ModifyPath: Command line for modifying the package
- UninstallString: Command line for removing the package

By setting both keys, the ARP control panel will display separate buttons for 
the two operations.

Having an uninstallation command line that does not do what it says, and in 
fact causes modal UI to be presented, also interferes with automated package 
management.

Ceterum censeo: This bug would have been avoided by using MSI as the 
distribution package format, because "msiexec /qn /x [ProductCode]" would have 
been correct regardless of what the registry says, and even if the registry 
does not say anything because the Uninstall key (as well as the uninstaller 
executable itself) were actually deleted months ago as part of some expired 
user profile. See bug #25166.

--
components: Windows
messages: 290544
nosy: Christian.Ullrich, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Uninstall command line in Windows registry does not uninstall
type: behavior
versions: Python 3.6

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