<https://pantsbuild.slack.com/archives/C046T6T9U/p...
# developmenth
hundreds-father-404
08/09/2021, 7:00 PMhundreds-father-404
08/09/2021, 7:01 PM@enough-analyst-54434 I'm not following what the edge case is that Poetry can't handle?
(new thread to avoid adding piling onto that convo)
e
enough-analyst-54434
08/09/2021, 7:02 PMPresumably poetry does not know to restrict a lockfile to wheels only when a Pex --platform is involved.
enough-analyst-54434
08/09/2021, 7:03 PMI'm poetry doing a resolve for a Pex binary lockfile that uses platforms - Pants needs to tell me "wheels only" if there is a way to do that.
✔️ 1
enough-analyst-54434
08/09/2021, 7:04 PMOther wise the lock might include version that only have sdists and boom.
enough-analyst-54434
08/09/2021, 7:05 PMSo we need to handle this or else say we can't in clear docs / error message and suggest? I don't know as a work around.
h
hundreds-father-404
08/09/2021, 7:05 PMAh, thanks for clarifying. Good point! I'll investigate
e
enough-analyst-54434
08/09/2021, 7:06 PMThe whole idea of using a different resolve algorithm seems like a world of hurt and confusion - but maybe things line up enough to be ok in a muddly way?
h
hundreds-father-404
08/09/2021, 7:32 PMYeah I don't like using a new algorithm by any means, which was I didn't originally spend much time investigating Poetry. That's fundamentally concerning that a lockfile generated by Pants via
./pants lockhundreds-father-404
08/09/2021, 7:44 PMI think you were OOO when I asked in upstream GitHub issue. How much time/work do you think it would take to have Pex robustly generate lockfiles?
Some of the things I think we'd need for Pants's lockfile project to be complete
• robustly handle env markers, even if they're for environments different than the host.
• even if Pex uses PEP 665, it can export to requirements.txt for consumption by external tooling like IDEs
• don't install the wheels when locking (for perf)
• include hashes for all files that may be used in different environments (ik you have concerns about that - I think we need to at least feature gate it)
e
enough-analyst-54434
08/12/2021, 3:56 AMI can only estimate it'll take a solid day or so to think and detail enough to come up with a non-handwave estimate. So, expect some useful words by Friday evening.