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python/aqmp: Fix negotiation with pre-"oob" QEMU 

QEMU versions prior to the "oob" capability *also* can't accept the
"enable" keyword argument at all. Fix the handshake process with older
QEMU versions.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 20220201041134.1237016-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2022-01-31 23:11:31 -05:00
parent 47cc1a3655
commit fa73e6e4ca
1 changed files with 2 additions and 2 deletions
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python/qemu/aqmp/qmp_client.py
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@ -292,9 +292,9 @@ class QMPClient(AsyncProtocol[Message], Events):
"""
self.logger.debug("Negotiating capabilities ...")
arguments: Dict[str, List[str]] = {'enable': []}
arguments: Dict[str, List[str]] = {}
if self._greeting and 'oob' in self._greeting.QMP.capabilities:
arguments['enable'].append('oob')
arguments.setdefault('enable', []).append('oob')
msg = self.make_execute_msg('qmp_capabilities', arguments=arguments)
# It's not safe to use execute() here, because the reader/writers