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

2021-11-09 16:25:31 -08:00 · 2021-11-09 16:25:31 -08:00 · c0b6e938f1
parent 1bb31bb390
commit c0b6e938f1
1 changed files with 4 additions and 0 deletions
--- a/pep-0665.rst
+++ b/pep-0665.rst
@ -541,6 +541,10 @@ The expected algorithm for resolving what to install is:

 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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