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[PULL 19/19] python/qmp.py: add QMPProtocolError
From: |
Philippe Mathieu-Daudé |
Subject: |
[PULL 19/19] python/qmp.py: add QMPProtocolError |
Date: |
Wed, 15 Jul 2020 00:21:32 +0200 |
From: John Snow <jsnow@redhat.com>
In the case that we receive a reply but are unable to understand it,
use this exception name to indicate that case.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200710052220.3306-7-jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
python/qemu/qmp.py | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/python/qemu/qmp.py b/python/qemu/qmp.py
index 1ae36050a4..7935dababb 100644
--- a/python/qemu/qmp.py
+++ b/python/qemu/qmp.py
@@ -62,6 +62,12 @@ class QMPTimeoutError(QMPError):
"""
+class QMPProtocolError(QMPError):
+ """
+ QMP protocol error; unexpected response
+ """
+
+
class QMPResponseError(QMPError):
"""
Represents erroneous QMP monitor reply
@@ -266,6 +272,10 @@ def command(self, cmd, **kwds):
ret = self.cmd(cmd, kwds)
if 'error' in ret:
raise QMPResponseError(ret)
+ if 'return' not in ret:
+ raise QMPProtocolError(
+ "'return' key not found in QMP response '{}'".format(str(ret))
+ )
return cast(QMPReturnValue, ret['return'])
def pull_event(self, wait=False):
--
2.21.3
- [PULL 09/19] tests/acceptance: wait() instead of shutdown() where appropriate, (continued)
- [PULL 09/19] tests/acceptance: wait() instead of shutdown() where appropriate, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 11/19] python/machine.py: split shutdown into hard and soft flavors, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 10/19] tests/acceptance: Don't test reboot on cubieboard, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 12/19] python/machine.py: re-add sigkill warning suppression, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 13/19] python/machine.py: change default wait timeout to 3 seconds, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 14/19] python/qmp.py: Define common types, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 15/19] iotests.py: use qemu.qmp type aliases, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 16/19] python/qmp.py: re-absorb MonitorResponseError, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 17/19] python/qmp.py: Do not return None from cmd_obj, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 18/19] python/qmp.py: add casts to JSON deserialization, Philippe Mathieu-Daudé, 2020/07/14
- [PULL 19/19] python/qmp.py: add QMPProtocolError,
Philippe Mathieu-Daudé <=
- Re: [PULL 00/19] Python patches for 5.1, Peter Maydell, 2020/07/15