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How to use _pull_file method in autotest

Best Python code snippet using autotest_python

4035abe4ee651b035771cc9a5bc307f41e33e0ddnode.py

Source:4035abe4ee651b035771cc9a5bc307f41e33e0ddnode.py

1""" The Node class """2import zmq3import logging4import tempfile5from zerotask.server import Server6from zerotask.task import task7from zerotask import jsonrpc8from zerotask.exceptions import JSONRPCError9from zerotask.worker import Worker10from multiprocessing import Process11import optparse12class Node(Server):13    """ A simple example server """14    namespace = "zerotask.node"15    def __init__(self, **kwargs):16        self.node_id = kwargs.get("node_id", None)17        self.running_tasks = 018        self.workers = []19        self.worker_count = kwargs.get("workers", 1) # 1 worker by default20        Server.__init__(self)21    def setup(self):22        """ Sets up the handlers """23        self.broker_req_socket = None24        self.broker_sub_socket = None25        self._push_file = tempfile.NamedTemporaryFile(prefix="zerotaskq-")26        self._pull_file = tempfile.NamedTemporaryFile(prefix="zerotaskr-")27        self.push_socket = self.context.socket(zmq.PUSH)28        self.push_socket.bind("ipc://%s" % self._push_file.name)29        self.pull_socket = self.context.socket(zmq.PULL)30        self.pull_socket.bind("ipc://%s" % self._pull_file.name)31        self.add_callback(self.pull_socket, self.worker_task_result)32        self.add_handler(self.task_ready)33        self.add_handler(self.request_status)34    def teardown(self):35        """ Closes temp files """36        logging.info("Closing temporary files")37        self._push_file.close()38        self._pull_file.close()39    def start(self):40        """ Checks if broker is setup, then starts the loop """41        if not self.broker_req_socket or not self.broker_sub_socket:42            self.add_broker("tcp://127.0.0.1:5555", "tcp://127.0.0.1:5556")43        logging.info("Starting up %s workers...", self.worker_count)44        for i in range(self.worker_count):45            push_file = self._push_file.name46            pull_file = self._pull_file.name47            def worker_func():48                worker = Worker(queue=push_file, result=pull_file,49                                name="worker-%d" % i)50                worker.start()51            process = Process(target=worker_func)52            self.workers.append(process)53            process.start()54        Server.start(self)55    def add_broker(self, broker_req_uri, broker_sub_uri):56        """ Sets the (only) broker """57        self.broker_req_socket = self.context.socket(zmq.REQ)58        self.broker_sub_socket = self.context.socket(zmq.SUB)59        self.broker_req_socket.connect(broker_req_uri)60        self.broker_sub_socket.connect(broker_sub_uri)61        self.broker_sub_socket.setsockopt(zmq.SUBSCRIBE, "")62        # Getting node id from broker63        connect_method = "zerotask.broker.node_connect"64        connect_request = jsonrpc.request(connect_method)65        self.broker_req_socket.send_json(connect_request)66        connect_result = self.broker_req_socket.recv_json()67        if connect_result.has_key("error"):68            connect_error = connect_result["error"]69            raise JSONRPCError(connect_error["code"],70                               connect_error.get("message"))71        node_id = connect_result.get("result")72        if not node_id:73            raise JSONRPCError(jsonrpc.INVALID_NODE_ID)74        self.node_id = node_id75        logging.info("New node id: %s", node_id)76        self.add_callback(self.broker_sub_socket, self.subscribe)77    def subscribe(self, message):78        """ Special dispatching """79        logging.info("Received message %s", message)80        result = self.dispatcher.dispatch(message)81        if result:82            self.broker_req_socket.send_json(result)83            self.broker_req_socket.recv_json()84    def worker_task_result(self, result):85        """ Reports a task result back to broker """86        self.running_tasks -= 187        if not result:88            logging.warning("Why do we have an empty result??")89            return90        task_id = result.get("id")91        result_method = "zerotask.broker.node_task_finished"92        result_params = dict(node_id=self.node_id,93                             task_id=task_id)94        if result.has_key("error"):95            result_method = "zerotask.broker.node_task_failed"96            result_params["error"] = result["error"]97        else:98            result_params["result"] = result["result"]99        result_req = jsonrpc.request(method=result_method,100                                     params=result_params,101                                     id=None) # a notification102        self.broker_req_socket.send_json(result_req)103        self.broker_req_socket.recv_json()104    # Tasks...105    def task_ready(self, method, task_id):106        """ Checks if node support the method, and responds if so. """107        if not self.dispatcher.has_handler(method):108            logging.info("Ignoring -- method %s is not supported.", method)109            return None # we don't support that method110        logging.info("Responding for new task %s", method)111        req_params = dict(node_id=self.node_id, task_id=task_id)112        req_method = "zerotask.broker.node_task_request"113        request = jsonrpc.request(req_method, req_params)114        self.broker_req_socket.send_json(request)115        result = self.broker_req_socket.recv_json()116        if result.has_key("error"):117            raise JSONRPCError(result["error"]["code"],118                               result["error"].get("message"))119        task_result = result.get("result")120        if not task_result:121            return None # we were not elected122        method = task_result['method']123        params = task_result.get("params", [])124        request = jsonrpc.request(method, params, id=task_id)125        logging.info("Assigning new request: %s", request)126        self.push_socket.send_json(request)127        self.running_tasks += 1128    def request_status(self):129        """ Calls broker with the current node status """130        notify_method = "zerotask.broker.node_status"131        notify_params = dict(node_id=self.node_id,132                             workers=1)133        notification = jsonrpc.request(method=notify_method,134                                       params=notify_params,135                                       id=None) # notification136        logging.info("Sending status message: %s" % notification)137        self.broker_req_socket.send_json(notification)138        self.broker_req_socket.recv_json()139        return None140def main():141    """ Setup up basic node with add / subtract methods. """142    options = optparse.OptionParser()143    options.add_option("-w", "--workers", dest="workers", type="int",144                       default=1, help="the number of worker procs")145    options.add_option("-r", "--request_port", dest="req_port", type="int",146                       default=5555, help="the broker's request port")147    options.add_option("-s", "--subscribe_port", dest="sub_port", type="int",148                       default=5556, help="the broker's subscribe port")149    options.add_option("-a", "--address", dest="address",150                       default="*", help="the broker's address")151    options.add_option("-l", "--loglevel", dest="loglevel",152                       default="WARNING", help="INFO|WARNING|ERROR")153    opts, args = options.parse_args()154    logging.getLogger().setLevel(getattr(logging, opts.loglevel))155    logging.info("Starting with broker request port %d", opts.req_port)156    logging.info("Starting with broker subscribe port %d", opts.sub_port)157    @task158    def add(first, second):159        """ just an addition method test """160        return first + second161    @task(name="subtract")162    def subtract_method(first, second):163        """ Testing task name attribute """164        return first - second165    node = Node(workers=opts.workers)166    broker_req_uri = "tcp://%s:%s" % (opts.address, opts.req_port)167    broker_sub_uri = "tcp://%s:%s" % (opts.address, opts.sub_port)168    node.add_broker(broker_req_uri, broker_sub_uri)169    node.start()170if __name__ == "__main__":...

lxd.py

Source:lxd.py

...37        self._server = server38    def _push_file(self, src, dst):39        check_call(['lxc', 'file', 'push',40                    src, '{}/{}'.format(self._container_name, dst)])41    def _pull_file(self, src, dst):42        check_call(['lxc', 'file', 'pull',43                    '{}/{}'.format(self._container_name, src), dst])44    def _container_run(self, cmd):45        check_call(['lxc', 'exec', self._container_name, '--'] + cmd)46    @contextmanager47    def _create_container(self):48        try:49            remote_tmp = petname.Generate(2, '-')50            check_call(['lxc', 'remote', 'add', remote_tmp, self._server])51            check_call([52                'lxc', 'launch', '-e',53                '{}:ubuntu/xenial/{}'.format(54                    remote_tmp, self._project_options.deb_arch),55                self._container_name])56            yield57        finally:58            # Stopping takes a while and lxc doesn't print anything.59            print('Stopping {}'.format(self._container_name))60            check_call(['lxc', 'stop', '-f', self._container_name])61            check_call(['lxc', 'remote', 'remove', remote_tmp])62    def execute(self):63        with self._create_container():64            self._setup_project()65            self._wait_for_network()66            self._container_run(['apt-get', 'update'])67            self._container_run(['apt-get', 'install', 'snapcraft', '-y'])68            try:69                self._container_run(70                    ['snapcraft', 'snap', '--output', self._snap_output])71            except CalledProcessError as e:72                if self._project_options.debug:73                    logger.info('Debug mode enabled, dropping into a shell')74                    self._container_run(['bash', '-i'])75                else:76                    raise e77            else:78                self._pull_snap()79    def _setup_project(self):80        logger.info('Setting up container with project assets')81        dst = os.path.join('/root', os.path.basename(self._tar_filename))82        self._push_file(self._tar_filename, dst)83        self._container_run(['tar', 'xvf', dst])84    def _pull_snap(self):85        src = os.path.join('/root', self._snap_output)86        self._pull_file(src, self._snap_output)87        logger.info('Retrieved {}'.format(self._snap_output))88    def _wait_for_network(self):89        logger.info('Waiting for a network connection...')90        not_connected = True91        retry_count = 592        while not_connected:93            sleep(5)94            try:95                self._container_run(['python3', '-c', _NETWORK_PROBE_COMMAND])96                not_connected = False97            except CalledProcessError as e:98                retry_count -= 199                if retry_count == 0:100                    raise e...

archive_requests.py

Source:archive_requests.py

...26        if retry is None:27            retry = self.default_retry_count28        while retry:29            try:30                self._pull_file(archive_filename, cart_filepath, hashval, hashtype)31                retry = 032            except (requests.exceptions.RequestException, ValueError) as ex:33                if retry == 1:34                    raise ex35                sleep(self.default_retry_sleep)36                retry -= 137    # pylint: enable=too-many-arguments38    def _pull_file(self, archive_filename, cart_filepath, hashval, hashtype):39        xfer_size = parse_size(get_config().get('cartd', 'transfer_size'))40        resp = requests.get(str(self._url + archive_filename), stream=True)41        if int(resp.status_code/100) == 5:42            raise requests.exceptions.RequestException('Status code is 500')43        myfile = open(cart_filepath, 'wb+')44        buf = resp.raw.read(xfer_size)45        myhash = hashlib.new(hashtype)46        while buf:47            myfile.write(buf)48            myhash.update(buf)49            buf = resp.raw.read(xfer_size)50        myfile.close()51        myhashval = myhash.hexdigest()52        if myhashval != hashval:...

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