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Based on Python-ideas thread My objections to implicit package directories by Alyssa Coghlan and this message from Yuval Greenfield: 

I've always had trouble understanding and explaining the complexities and intricacies of python packaging.`

Is there a most basic but comprehensive list of use cases?
standard library

import from a list of paths to be searched.<

current project
import from a relative path based on this file's current directory
package bundled with project
import from a relative path based on an anchor directory
virtual-env
import from an alternative lists of paths based on an anchor directory
2026-02-14 16:07