Paul Winkler wrote:
> On Tue, Oct 10, 2006 at 08:13:23PM -0400, Jim Fulton wrote:
> > See: http://www.python.org/pypi/zope.testing#running-without-source-code
> Thanks for the pointer.
> AFAICT the current docs confirm my understanding.
> --usecompiled would be useful if I wanted to run tests in a
> package for which I didn't have source. That's not the case here.
> All I need is -k, --keepbytecode.
> I think the current default behavior sucks, but I think changing it
> would just suck differently :-(
The real problem as you noted in your original message is that there's no way to
distinguish between a pyc file that is only intended to be used as a cache of
bytecode for a py file, and a pyc file that is intended to be used standalone.
If by default pyc files were created with a flag that indicated "must have
corresponding .py file", and the python interpreter refused to use such a pyc
file if the corresponding py wasn't present, then there'd be no problem. People
distributing pyc files without source could instruct compile_all or distutils or
whatever to set the flag the other way.
However, given the current situation, I think the current default is the safest.
The surprise you get when a pyc is used that shouldn't have been is typically
nastier (and more likely to happen) than the surprise caused by a pyc-only
directory being cleaned out.
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