def __init__(self,
devices,
options,
verbose=0,
mode='threading',
max_threads=1,
stdout=sys.stdout,
stderr=sys.stderr):
self.devices = to_list(devices)
self.workqueue = WorkQueue(mode=mode)
self.pipe_handlers = weakref.WeakValueDictionary()
self.verbose = verbose
self.stdout = options.stdoutfile
self.stderr = options.stdoutfile
self.devnull = open(os.devnull, 'w')
self.channel_map = {'fatal_errors': self.stderr, 'debug': self.stdout}
self.completed = 0
self.total = 0
self.failed = 0
self.failed_devices = set()
self.status_bar_length = 0
self.set_max_threads(max_threads)
self.task = None
# Listen to what the workqueue is doing.
self.workqueue.job_init_event.listen(self._on_job_init)
self.workqueue.job_started_event.listen(self._on_job_started)
self.workqueue.job_error_event.listen(self._on_job_error)
self.workqueue.job_succeeded_event.listen(self._on_job_succeeded)
self.workqueue.job_aborted_event.listen(self._on_job_aborted)
self.options = options
