Re: [Qemu-devel] [PATCH 3/5] basevm: Call logging.basicConfig()

[Eduardo Habkost <ehabkost@redhat.com>]

On Wed, Sep 27, 2017 at 09:35:44PM +0800, Fam Zheng wrote:
> On Wed, 09/27 10:03, Eduardo Habkost wrote:
> > Just setting level=DEBUG when debug is enabled is not enough: we
> > need to set up a log handler if we want debug messages generated
> > using logging.getLogger(...).debug() to be printed.
> > 
> > This was not a problem before because logging.debug() calls
> > logging.basicConfig() implicitly, but it's safer to not rely on
> > that.
> > 
> > Cc: "Alex Bennée" <alex.bennee@linaro.org>
> > Cc: Fam Zheng <famz@redhat.com>
> > Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
> > Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> > ---
> >  tests/vm/basevm.py | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py
> > index 3c863bc237..686d88decf 100755
> > --- a/tests/vm/basevm.py
> > +++ b/tests/vm/basevm.py
> > @@ -227,8 +227,8 @@ def main(vmcls):
> >          if not argv and not args.build_qemu and not args.build_image:
> >              print "Nothing to do?"
> >              return 1
> > -        if args.debug:
> > -            logging.getLogger().setLevel(logging.DEBUG)
> > +        logging.basicConfig(level=(logging.DEBUG if args.debug
> > +                                   else logging.WARN))
> 
> I find the " ? : " expression in C more readable than this in Python. :)

I think everybody except Guido does.  :)

-- 
Eduardo