aboutsummaryrefslogtreecommitdiff
path: root/python/qemu/qmp.py
diff options
context:
space:
mode:
Diffstat (limited to 'python/qemu/qmp.py')
-rw-r--r--python/qemu/qmp.py10
1 files changed, 10 insertions, 0 deletions
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 @@ class QEMUMonitorProtocol:
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):