Robin Kipp (old account)Question for fellow #Python developers. I’m building a Python package which is dependent on another package, I’m trying to determine the minimum version of this dependency which would be compatible with my package. Is there a tool somewhere which would help me in figuring this out? I’m imagining a script that fetches all the version tags for the dependency, then installs the latest version, runs the tests included in my package and if they pass, does the same with the next older dependency version all the way until a test fails, or the oldest available version has been tested against my package with no issues. Does something like that exist?
C.@robin_kipp In addition to actual answers others have given...
You don't necessarily have to find the earliest version of a dependency your package can work with. If you release a new package with a dependency version released, say, a year ago, most new users - i.e. all of them - will probably be using a version at least that new, if they're already using that dependency at all.
Even "the version current as of when I release my package" is frequently fine, but 1 year is conservative.