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

Eduardo Habkost posted 5 patches 8 years, 4 months ago
There is a newer version of this series
[Qemu-devel] [PATCH 3/5] basevm: Call logging.basicConfig()
Posted by Eduardo Habkost 8 years, 4 months ago
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))
         vm = vmcls(debug=args.debug, vcpus=args.jobs)
         if args.build_image:
             if os.path.exists(args.image) and not args.force:
-- 
2.13.5


Re: [Qemu-devel] [PATCH 3/5] basevm: Call logging.basicConfig()
Posted by Daniel P. Berrange 8 years, 4 months ago
On Wed, Sep 27, 2017 at 10:03:37AM -0300, 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(-)

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>

Regards,
Daniel
-- 
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Re: [Qemu-devel] [PATCH 3/5] basevm: Call logging.basicConfig()
Posted by Fam Zheng 8 years, 4 months ago
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. :)

>          vm = vmcls(debug=args.debug, vcpus=args.jobs)
>          if args.build_image:
>              if os.path.exists(args.image) and not args.force:
> -- 
> 2.13.5
> 

Reviewed-by: Fam Zheng <famz@redhat.com>

Re: [Qemu-devel] [PATCH 3/5] basevm: Call logging.basicConfig()
Posted by Eduardo Habkost 8 years, 4 months ago
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

Re: [Qemu-devel] [PATCH 3/5] basevm: Call logging.basicConfig()
Posted by Lukáš Doktor 8 years, 4 months ago
Dne 27.9.2017 v 15:03 Eduardo Habkost napsal(a):
> 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))
>          vm = vmcls(debug=args.debug, vcpus=args.jobs)
>          if args.build_image:
>              if os.path.exists(args.image) and not args.force:
> 

Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>