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PEP 751: simplity installer expectations (#4105)

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Brett Cannon 2024-11-04 16:56:10 -08:00 committed by GitHub
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@ -785,12 +785,7 @@ Expectations for Installers
selected to install from).
- Installers MUST error out if a package version lacks a way to install into the
chosen environment.
- Installers MUST support installing into an empty environment
- Installers SHOULD support uninstalling all packages in a pre-existing
environment and then installing into it (sometimes referred to as *syncing*
an environment to the lock file).
- Installers MAY support a way to install into a pre-existing environment that
tries to keep packages not listed in the lock file working.
- Installers MUST support installing into an empty environment.
Pseudo-Code