Not all scripts using qemu.py configure the Python logging module, and end up generating a "No handlers could be found for logger" message instead of actual log messages.
To avoid requiring every script using qemu.py to configure logging manually, call basicConfig() when creating a QEMUMachine object. This won't affect scripts that already set up logging, but will ensure that scripts that don't configure logging keep working. Reported-by: Kevin Wolf <kw...@redhat.com> Fixes: 4738b0a85a0c2031fddc71b51cccebce0c4ba6b1 Signed-off-by: Eduardo Habkost <ehabk...@redhat.com> --- scripts/qemu.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/scripts/qemu.py b/scripts/qemu.py index 5e02dd8e78..73d6031e02 100644 --- a/scripts/qemu.py +++ b/scripts/qemu.py @@ -89,6 +89,9 @@ class QEMUMachine(object): self._qmp = None self._qemu_full_args = None + # just in case logging wasn't configured by the main script: + logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN)) + def __enter__(self): return self -- 2.13.5