package.py: Dynamic list of versions?

[bryab]

Maybe I'm thinking about this the wrong way, but I'd like to setup a package whose 'versions' are populated automatically. For example if the package is Maya, then I want to write a single package.py that detects all the Maya versions installed on the workstation.

The example package here is interesting, but it seems to only detect a single version, not multiple: https://rez.readthedocs.io/en/stable/package_definition.html#example-package

Thanks for any help!