Add a helper to query the list of machines built into a QEMU binary.
We simply send the 'query-machines' command over a QMP socket.
Signed-off-by: Philippe Mathieu-Daudé
---
python/qemu/binutils.py | 15 +++
tests/acceptance/core_scripts.py | 9 +
2 files changed, 24 insertions(+)
diff --git a/python/qemu/binutils.py b/python/qemu/binutils.py
index 905d393ba5..7bb57c521b 100644
--- a/python/qemu/binutils.py
+++ b/python/qemu/binutils.py
@@ -51,3 +51,18 @@ def binary_get_arch(qemu_bin):
LOG.info(res)
vm.shutdown()
return res['arch']
+
+def binary_get_machines(qemu_bin):
+'''
+Get list of machines supported by a QEMU binary
+
+@param qemu_bin (str): path to the QEMU binary
+@return list of machines supported by the binary
+'''
+with QEMUMachine(qemu_bin) as vm:
+vm.set_machine('none')
+vm.launch()
+res = vm.command('query-machines')
+LOG.info(res)
+vm.shutdown()
+return [m['name'] for m in res]
diff --git a/tests/acceptance/core_scripts.py b/tests/acceptance/core_scripts.py
index 93dd822368..a5b112f928 100644
--- a/tests/acceptance/core_scripts.py
+++ b/tests/acceptance/core_scripts.py
@@ -17,6 +17,7 @@ import logging
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python'))
from avocado_qemu import Test
from qemu.binutils import binary_get_arch
+from qemu.binutils import binary_get_machines
from qemu.binutils import binary_get_version
@@ -40,3 +41,11 @@ class PythonQemuCoreScripts(Test):
a = binary_get_arch(self.qemu_bin)
logger.debug('arch: {}'.format(a))
self.assertIn(a, ['i386', 'x86_64'])
+
+def test_get_machines(self):
+logger = logging.getLogger('core')
+machines = binary_get_machines(self.qemu_bin)
+for m in sorted(machines):
+logger.debug('machine: {}'.format(m))
+# The 'none' machine is always available
+self.assertIn('none', machines)
--
2.21.1
