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| author | John Snow <jsnow@redhat.com> | 2021-05-27 17:16:46 -0400 |
|---|---|---|
| committer | John Snow <jsnow@redhat.com> | 2021-06-01 16:21:21 -0400 |
| commit | 07b71233a7ea77c0ec3687c3a3451865b3b899d3 (patch) | |
| tree | b29237208f7239a1dc9c4d5323bedefdacdf95fd /python | |
| parent | ee1a27235b7965bc5514555eec898f4d067fced2 (diff) | |
| download | qemu-07b71233a7ea77c0ec3687c3a3451865b3b899d3.zip qemu-07b71233a7ea77c0ec3687c3a3451865b3b899d3.tar.gz qemu-07b71233a7ea77c0ec3687c3a3451865b3b899d3.tar.bz2 | |
python/machine: use subprocess.DEVNULL instead of open(os.path.devnull)
One less file resource to manage, and it helps quiet some pylint >=
2.8.0 warnings about not using a with-context manager for the open call.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-id: 20210527211715.394144-3-jsnow@redhat.com
Message-id: 20210517184808.3562549-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'python')
| -rw-r--r-- | python/qemu/machine.py | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/python/qemu/machine.py b/python/qemu/machine.py index b379fcb..5b87e9c 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -223,9 +223,8 @@ class QEMUMachine: assert fd is not None fd_param.append(str(fd)) - devnull = open(os.path.devnull, 'rb') proc = subprocess.Popen( - fd_param, stdin=devnull, stdout=subprocess.PIPE, + fd_param, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, close_fds=False ) output = proc.communicate()[0] @@ -391,7 +390,6 @@ class QEMUMachine: """ Launch the VM and establish a QMP connection """ - devnull = open(os.path.devnull, 'rb') self._pre_launch() self._qemu_full_args = tuple( chain(self._wrapper, @@ -401,7 +399,7 @@ class QEMUMachine: ) LOG.debug('VM launch command: %r', ' '.join(self._qemu_full_args)) self._popen = subprocess.Popen(self._qemu_full_args, - stdin=devnull, + stdin=subprocess.DEVNULL, stdout=self._qemu_log_file, stderr=subprocess.STDOUT, shell=False, |