[Python-Dev] PEP 552: deterministic pycs
solipsis at pitrou.net
Thu Sep 7 17:54:17 EDT 2017
On Thu, 07 Sep 2017 14:32:19 -0700
Benjamin Peterson <benjamin at python.org> wrote:
> > Not sure how common that situation is (certainly the source tree wasn't
> > read-only when you checked it out or untar'ed it), but isn't it easily
> > circumvented by copying the source tree before building?
> Well, yes, in these kind of "batch" build situations, copying is
> probably fine. However, I want to be able to have pyc determinism even
> when developing. Copying the entire source every time I change something
> isn't a nice.
Hmm... Are you developing from a read-only source tree?
> The larger point is that while the SOURCE_EPOCH patch will likely work
> for Linux distributions, I'm interested in being able to have
> deterministic pycs in "normal" Python development workflows.
That's an interesting idea, but is there a concrete motivation or is it
platonical? After all, if you're changing something in the source tree
it's expected that the overall "signature" of the build will be
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