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Date: Thu, 14 Feb 2013 17:43:21 +1100
Subject: Re: Python Makefiles... are they possible?
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:38848

On Thu, Feb 14, 2013 at 1:46 PM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
> I prefer to keep the .pyc files, and only remove them when necessary, rather
> than to remove them whether it's necessary or not.

Solution to that could be just to have your makefile wipe out
orphanned pyc files, rather than all of them. Still might be a
performance hit (if it has to wade through piles of pyc/py files to
see which ones aren't needed), but otherwise should be safe.

ChrisA