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Berrange" , Eduardo Habkost , Fabiano Rosas , Laurent Vivier , Philippe Mathieu-Daude , Steve Sistare Subject: [PATCH V4 2/3] python: use qom-list-get Date: Thu, 10 Jul 2025 09:24:53 -0700 Message-Id: <1752164694-215567-3-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1752164694-215567-1-git-send-email-steven.sistare@oracle.com> References: <1752164694-215567-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-10_04,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 malwarescore=0 mlxscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2507100139 X-Authority-Analysis: v=2.4 cv=Ydi95xRf c=1 sm=1 tr=0 ts=686fe95c b=1 cx=c_pps a=e1sVV491RgrpLwSTMOnk8w==:117 a=e1sVV491RgrpLwSTMOnk8w==:17 a=Wb1JkmetP80A:10 a=yPCof4ZbAAAA:8 a=RXQK8gpASe9cUJZfEHoA:9 cc=ntf awl=host:13600 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEwMDEzOSBTYWx0ZWRfXw0GKXYz7/HzQ Zej5oH6HK2yoN/gDv793vgufeI3Ba+ID1kZ0b3gguHG9zIpgWTuzE2NcZGhGmsYd4EmxX1Ew0YA 41Ccs3z+aSNsqcTsqfI5XHIoCksO9M6BrYIiijCooq0S4Q4NEZj0l6FprhlELVsX4W2fXfkGIbK 8fhYfS5GIR04pnykA9O9IGEwE9ISMVbVmlP9eZOv8X6kIz3rxdEp1lXvI8uW5rXe9N/DzKyp9Mi FURcueADDipwPaC/yrkE0beze6lljS0CYs5o0FStboARxk+Gn8yQhsRC94my9LNNRSJCZJRcwvQ 6XQITFk2H5YIUdIPmGfCE+iaDdc3FCLrGgdhGBJw+W+XnS69RlEihgGdZFx9/16BtHEM7EBdvqU p7pvwGSY9Duc7MOLVxvM+E45zweE2BmZZdO+Ccw11BmcnIHcX4f8ageATvKJ4k04ekedaYpo X-Proofpoint-ORIG-GUID: kAaSxIy9l6dAbRU29xZ7ymwlPjHv8hx2 X-Proofpoint-GUID: kAaSxIy9l6dAbRU29xZ7ymwlPjHv8hx2 Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Use qom-list-get to speed up the qom-tree command. Signed-off-by: Steve Sistare --- python/qemu/utils/qom.py | 43 +++++++++++++++++++-------------- python/qemu/utils/qom_common.py | 53 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 78 insertions(+), 18 deletions(-) diff --git a/python/qemu/utils/qom.py b/python/qemu/utils/qom.py index 426a0f2..337ae29 100644 --- a/python/qemu/utils/qom.py +++ b/python/qemu/utils/qom.py @@ -224,28 +224,35 @@ def __init__(self, args: argparse.Namespace): super().__init__(args) self.path = args.path - def _list_node(self, path: str) -> None: - print(path) - items = self.qom_list(path) - for item in items: - if item.child: - continue - try: - rsp = self.qmp.cmd('qom-get', path=path, - property=item.name) - print(f" {item.name}: {rsp} ({item.type})") - except ExecuteError as err: - print(f" {item.name}: ({item.type})") - print('') - for item in items: - if not item.child: - continue + def _list_nodes(self, paths: [str]) -> None: + all_paths_props = self.qom_list_get(paths) + i = 0 + + for props in all_paths_props: + path = paths[i] + i = i + 1 + print(path) if path == '/': path = '' - self._list_node(f"{path}/{item.name}") + newpaths = [] + + for item in props.properties: + if item.child: + newpaths += [ f"{path}/{item.name}" ] + else: + value = item.value + if value == None: + value = f"" + print(f" {item.name}: {value} ({item.type})") + + print('') + + if newpaths: + self._list_nodes(newpaths) + def run(self) -> int: - self._list_node(self.path) + self._list_nodes([self.path]) return 0 diff --git a/python/qemu/utils/qom_common.py b/python/qemu/utils/qom_common.py index dd2c8b1..e471f1d 100644 --- a/python/qemu/utils/qom_common.py +++ b/python/qemu/utils/qom_common.py @@ -65,6 +65,50 @@ def link(self) -> bool: return self.type.startswith('link<') +class ObjectPropertyValue: + """ + Represents a property return from e.g. qom-tree-get + """ + def __init__(self, name: str, type_: str, value: object): + self.name = name + self.type = type_ + self.value = value + + @classmethod + def make(cls, value: Dict[str, Any]) -> 'ObjectPropertyValue': + """ + Build an ObjectPropertyValue from a Dict with an unknown shape. + """ + assert value.keys() >= {'name', 'type'} + assert value.keys() <= {'name', 'type', 'value'} + return cls(value['name'], value['type'], value.get('value')) + + @property + def child(self) -> bool: + """Is this property a child property?""" + return self.type.startswith('child<') + + +class ObjectPropertiesValues: + """ + Represents the return type from e.g. qom-list-get + """ + def __init__(self, properties): + self.properties = properties + + @classmethod + def make(cls, value: Dict[str, Any]) -> 'ObjectPropertiesValues': + """ + Build an ObjectPropertiesValues from a Dict with an unknown shape. + """ + assert value.keys() == {'properties'} + props = [ObjectPropertyValue(item['name'], + item['type'], + item.get('value')) + for item in value['properties']] + return cls(props) + + CommandT = TypeVar('CommandT', bound='QOMCommand') @@ -145,6 +189,15 @@ def qom_list(self, path: str) -> List[ObjectPropertyInfo]: assert isinstance(rsp, list) return [ObjectPropertyInfo.make(x) for x in rsp] + def qom_list_get(self, paths) -> List[ObjectPropertiesValues]: + """ + :return: a strongly typed list from the 'qom-list-get' command. + """ + rsp = self.qmp.cmd('qom-list-get', paths=paths) + # qom-list-get returns List[ObjectPropertiesValues] + assert isinstance(rsp, list) + return [ObjectPropertiesValues.make(x) for x in rsp] + @classmethod def command_runner( cls: Type[CommandT], -- 1.8.3.1