Re: [Qemu-devel] [Bug?] qemu-1.6.0 python traceback in GEN qmp-commands.h

[Stefan Hajnoczi <stefanha@gmail.com>]

On Mon, Aug 19, 2013 at 03:50:45PM +0200, Andreas Färber wrote:
> Am 16.08.2013 15:21, schrieb Peter Maydell:
> > On 16 August 2013 08:59, Erik Rull <erik.rull@rdsoftware.de> wrote:
> >> Hi all,
> >>
> >> when using the released qemu-1.6.0.tar.bz2, I get the following error message:
> >>   File "/home/erik/qemu-1.6.0/scripts/qapi.py", line 164
> >>     except QAPISchemaError as e:
> >>                             ^
> >> SyntaxError: invalid syntax
> >> make: *** [qmp-commands.h] Error 1
> > 
> > My guess is that your python is older than 2.6; I think
> > the "except Foo as e" syntax is new in 2.6. We probably
> > missed this because most people use a newer Python than
> > 2.6, but configure's check only requires 2.4 or better.
> > 
> > We should probably update the scripts to not use overly
> > new features (or alternatively decide that 2.6 is our new
> > minimum -- what do RHEL5 and our other oldest-supported
> > distros ship?)
> 
> I vaguely remember running into such problems before... possibly on
> Solaris. We compiled a list of Python versions and I think settled for
> 2.4 based on some old RHEL, too. CC'ing Stefan.
> 
> git-blame points to:
> http://repo.or.cz/w/qemu.git/commit/e120d449e1b39ec508c297b963ce452628dd37c3?f=configure

Yes, we should write Python 2.4+ code so that even oldish distros can
execute our scripts.

Stefan