Request for clarification on 'extra' marker in Requires-Dist #1270
Labels
component: specifications
state: needs clarification
type: enhancement
A self-contained enhancement or new feature
I have been reading the core metadata specification in the packaging guide and would like to request a clarification on the following section:
https://packaging.python.org/en/latest/specifications/core-metadata/#provides-extra-multiple-use
and specifically the following example:
It seems like
extra
behaves somewhat like an environment marker, but I wanted to check whether==
is the only valid supported comparison? Or could one in principle do:If someone can clarify whether this is also legal, I can try and propose a change for the spec to add a clarification.
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