diff options
| author | John Snow <jsnow@redhat.com> | 2020-10-06 19:58:14 -0400 |
|---|---|---|
| committer | John Snow <jsnow@redhat.com> | 2020-10-20 09:37:57 -0400 |
| commit | d2b08b79b0d0f1f794b9ed8f3b8fbcbfdfb9e142 (patch) | |
| tree | c5e8b3f86bc7b9bd018412363147708685ffd049 | |
| parent | af0db8825400ea8c79fd77ed4ba6fb6699bd0855 (diff) | |
python/qemu/qmp.py: Preserve error context on re-raise
Use the "from ..." phrasing when re-raising errors to preserve their
initial context, to help aid debugging when things go wrong.
This also silences a pylint 2.6.0+ error.
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: 20201006235817.3280413-18-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
| -rw-r--r-- | python/qemu/qmp.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/python/qemu/qmp.py b/python/qemu/qmp.py index 9223307ed8..d911999da1 100644 --- a/python/qemu/qmp.py +++ b/python/qemu/qmp.py @@ -181,10 +181,11 @@ class QEMUMonitorProtocol: self.__sock.settimeout(wait) try: ret = self.__json_read(only_event=True) - except socket.timeout: - raise QMPTimeoutError("Timeout waiting for event") - except: - raise QMPConnectError("Error while reading from socket") + except socket.timeout as err: + raise QMPTimeoutError("Timeout waiting for event") from err + except Exception as err: + msg = "Error while reading from socket" + raise QMPConnectError(msg) from err if ret is None: raise QMPConnectError("Error while reading from socket") self.__sock.settimeout(None) |