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Thu Sep 26 23:23:42 CEST 2013 · https://mail.python.org/pipermail/python-dev/2013-September/129012.html

On Thu, 26 Sep 2013 14:19:59 -0700
Eli Bendersky <eliben at gmail.com> wrote:
> On Thu, Sep 26, 2013 at 2:00 PM, Antoine Pitrou <solipsis at pitrou.net> wrote:
> 
> > On Thu, 26 Sep 2013 14:43:48 -0400
> > Benjamin Peterson <benjamin at python.org> wrote:
> > > 2013/9/26 Eli Bendersky <eliben at gmail.com>:
> > > >
> > > >
> > > >
> > > > On Thu, Sep 26, 2013 at 7:28 AM, Benjamin Peterson <
> > benjamin at python.org>
> > > > wrote:
> > > >>
> > > >> 2013/9/26 Eli Bendersky <eliben at gmail.com>:
> > > >> > Hi All,
> > > >> >
> > > >> > Earlier this morning I had a slight tackle with a couple of the 3.4
> > bots
> > > >> > (sorry everyone!). I fixed some problems in asdl.py -
> > > >> > http://hg.python.org/cpython/rev/21d46e3ae60c - and used the 'with'
> > > >> > statement. Some bots don't have Python 2.6+ and couldn't bootstrap
> > > >> > Python-ast.h/c
> > > >> >
> > > >> > Two questions:
> > > >> >
> > > >> > * Should I always check-in Python-ast.h and Python-ast.c when I
> > touch
> > > >> > asdl*
> > > >> > ? The generated files are unchanged, it's only the timestamp that
> > > >> > changed.
> > > >> > * Can we, in theory, use new Pythons for asdl* code, because
> > > >> > Python-ast.*
> > > >> > are, in fact, checked in so they don't have to be rebuilt by the
> > bots or
> > > >> > users?
> > > >>
> > > >> We should have the buildbots run "make touch", so they don't need to
> > > >> run asdl_c.py.
> > > >
> > > >
> > > > How should we go about doing this?
> > >
> > > Complain to Antoine I suppose. :)
> >
> > Here you are:
> >
> > http://buildbot.python.org/all/builders/AMD64%20Snow%20Leop%203.x/builds/28/steps/compile/logs/stdio
> >
> > Of course, when it's using "-jN" there may be a race condition :-)
> >
> 
> Right, which is probably even worse than before because now it's
> non-deterministic (first build will fail, subsequent will succeed).

Only if "N" in "-jN" is big enough, I suspect.

> Is there a way to split it to:
> 
> $ make touch
> $ make -jN all

Probably but... I'm really too lazy to do this myself. Buildbot isn't
very pleasant. Perhaps someone else wants to do it?

Regards

Antoine.

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[Python-Dev] asdl.py and Python-ast.[hc]