PEP 665: clarify what scenarios installers must be able to install into

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Brett Cannon 2021-11-09 16:25:31 -08:00
parent 1bb31bb390
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@ -541,6 +541,10 @@ The expected algorithm for resolving what to install is:
What constitues the "best-fitting wheel file" is an open issue. What constitues the "best-fitting wheel file" is an open issue.
Installers MUST support installing into an empty environment.
Installers MAY support installing into an environment that already
conatins installed packages (and whatever that would entail).
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(Potential) Tool Support (Potential) Tool Support