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How to use list_remote_pythons method in autotest

Best Python code snippet using autotest_python

logfile_monitor.py

Source:logfile_monitor.py

...17class InvalidConfigurationError(Error):18    """An invalid configuration was specified."""19class FollowFilesLaunchError(Error):20    """Error occurred launching followfiles remotely."""21def list_remote_pythons(host):22    """List out installed pythons on host."""23    result = host.run('ls /usr/bin/python[0-9]*')24    return result.stdout.splitlines()25def select_supported_python(installed_pythons):26    """Select a supported python from a list"""27    for python in installed_pythons:28        if python[-3:] in SUPPORTED_PYTHON_VERS:29            return python30def copy_monitordir(host):31    """Copy over monitordir to a tmpdir on the remote host."""32    tmp_dir = host.get_tmp_dir()33    host.send_file(MONITORDIR, tmp_dir)34    return os.path.join(tmp_dir, 'monitors')35def launch_remote_followfiles(host, lastlines_dirpath, follow_paths):36    """Launch followfiles.py remotely on follow_paths."""37    logging.info('Launching followfiles on target: %s, %s, %s',38                 host.hostname, lastlines_dirpath, str(follow_paths))39    # First make sure a supported Python is on host40    installed_pythons = list_remote_pythons(host)41    supported_python = select_supported_python(installed_pythons)42    if not supported_python:43        if DEFAULT_PYTHON in installed_pythons:44            logging.info('No versioned Python binary found, '45                         'defaulting to: %s', DEFAULT_PYTHON)46            supported_python = DEFAULT_PYTHON47        else:48            raise FollowFilesLaunchError('No supported Python on host.')49    remote_monitordir = copy_monitordir(host)50    remote_script_path = os.path.join(remote_monitordir, 'followfiles.py')51    followfiles_cmd = '%s %s --lastlines_dirpath=%s %s' % (52        supported_python, remote_script_path,53        lastlines_dirpath, ' '.join(follow_paths))54    remote_ff_proc = subprocess.Popen(host._make_ssh_cmd(followfiles_cmd),...

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