add lots of comments on the function of BuildTracker #12194
Merged
+71
−23
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Split out from #12186. It's not currently clear what the function of the
BuildTracker
is or when it needs to be used (imho). I thought that it was for managing parallel builds somehow, but it turns out it is just a validation mechanism specifically for sdists.This change is subjective and it does not need to be merged. I think that these comments + changes make the purpose of the
BuildTracker
more clear, so that future pip contributors will more easily understand when to use it.This change also modifies
AbstractDistribution
with.build_tracker_id
to explicitly specify when.prepare_distribution_metadata()
is going to be called, which makes the change in #12186 to cache the generated dist much easier to understand (imho).