def __init__(self, project, docker_image, port):
self.project = project
self.loop = True
self.cid = None
self.prev_docker_image = None
self.mountdir = None
self.collection = None
self.override_docker_image = docker_image
self.port = port
self.evqueue = Queue.Queue()
self.api = ThreadSafeApiCache(arvados.config.settings())
if arvados.util.group_uuid_pattern.match(project) is None:
raise arvados.errors.ArgumentError("Project uuid is not valid")
collections = self.api.collections().list(filters=[["owner_uuid", "=", project]],
limit=1,
order='modified_at desc').execute()['items']
self.newcollection = collections[0]['uuid'] if collections else None
self.ws = arvados.events.subscribe(self.api, [["object_uuid", "is_a", "arvados#collection"]], self.on_message)
