On Thu, Apr 24, 2025 at 11:07:05AM +0900, Akira Yokosawa wrote: > On Wed, 23 Apr 2025 19:31:36 +0300, Andy Shevchenko wrote: > > On Wed, Apr 23, 2025 at 06:30:48PM +0900, Akira Yokosawa wrote: > >> On Tue, 22 Apr 2025 10:57:33 +0300, Andy Shevchenko wrote: > >>> On Mon, Apr 21, 2025 at 10:35:29AM -0600, Jonathan Corbet wrote: > >>>> Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com> writes:
[...] > >>>>> Would it be possible to properly support O= and create pyc / pycache > >>>>> inside the object/output dir? > >>>> > >>>> I have to confess, I've been wondering if we should be treating the .pyc > >>>> files like we treat .o files or other intermediate products. Rather > >>>> than trying to avoid their creation entirely, perhaps we should just be > >>>> sure they end up in the right place and are properly cleaned up...? > >>>> > >>>> To answer Dmitry's question, it seems that setting PYTHONPYCACHEPREFIX > >>>> should do the trick? > >>> > >>> It's not so easy. The Python is written in a way that it thinks it will > >>> never > >>> runs object files separately from the source. Hence that variable sets > >>> only > >>> the folder per script as _home_ for the cache. It's completely unusable. > >>> They > >>> took it wrong. It still can be _painfully_ used, but it will make > >>> Makefiles > >>> uglier. > >> > >> But, PYTHONPYCACHEPREFIX can be set as an environment variable. > >> > >> For example, try: > >> > >> export PYTHONPYCACHEPREFIX="$HOME/.cache/__pycache__" > >> > >> Wouldn't it be good enough for you? > > > > Of course not. We have _many_ scripts in python in kernel and having a cache > > there for _all_ of them is simply WRONG. You never know what clashes can be > > there with two complicated enough scripts which may have same module names, > > etc. > > Interesting... > > I'm suspecting you replied without having tried the setting... I tried before, but I admit, that I have missed something. It was a mess in that case. Now I probably can't repeat as I don't remember what was the environment and settings I had that time. I'm really glad to see it is working this way! -- With Best Regards, Andy Shevchenko