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| author | John Snow <jsnow@redhat.com> | 2020-05-14 01:54:00 -0400 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2020-05-31 18:25:31 +0200 |
| commit | c95dddce4910c9cd5315b942180b03ca4e48a6a6 (patch) | |
| tree | b91ed748056c060d45638cda74a47a7ac818be2a /python | |
| parent | de210ec53c842fa67aa10110a7a351d64f91c487 (diff) | |
| download | qemu-c95dddce4910c9cd5315b942180b03ca4e48a6a6.zip qemu-c95dddce4910c9cd5315b942180b03ca4e48a6a6.tar.gz qemu-c95dddce4910c9cd5315b942180b03ca4e48a6a6.tar.bz2 | |
python/qemu/qtest: Check before accessing _qtest
It can be None; so add assertions or exceptions where appropriate to
guard the access accordingly.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200514055403.18902-30-jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Diffstat (limited to 'python')
| -rw-r--r-- | python/qemu/qtest.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/python/qemu/qtest.py b/python/qemu/qtest.py index 4c88590..888c8bd 100644 --- a/python/qemu/qtest.py +++ b/python/qemu/qtest.py @@ -121,7 +121,8 @@ class QEMUQtestMachine(QEMUMachine): super()._pre_launch() self._qtest = QEMUQtestProtocol(self._qtest_path, server=True) - def _post_launch(self): + def _post_launch(self) -> None: + assert self._qtest is not None super()._post_launch() self._qtest.accept() @@ -129,6 +130,13 @@ class QEMUQtestMachine(QEMUMachine): super()._post_shutdown() self._remove_if_exists(self._qtest_path) - def qtest(self, cmd): - '''Send a qtest command to guest''' + def qtest(self, cmd: str) -> str: + """ + Send a qtest command to the guest. + + :param cmd: qtest command to send + :return: qtest server response + """ + if self._qtest is None: + raise RuntimeError("qtest socket not available") return self._qtest.cmd(cmd) |