Python taskqueue.TaskAlreadyExistsError方法代码示例

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def schedule(cls, base_path, mapreduce_spec):
    """Schedule finalize task.

    Args:
      mapreduce_spec: mapreduce specification as MapreduceSpec.
    """
    task_name = mapreduce_spec.mapreduce_id + "-finalize"
    finalize_task = taskqueue.Task(
        name=task_name,
        url=base_path + "/finalizejob_callback",
        params={"mapreduce_id": mapreduce_spec.mapreduce_id})
    queue_name = os.environ.get("HTTP_X_APPENGINE_QUEUENAME", "default")
    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_controller_task",
                          finalize_task,
                          queue_name):
      try:
        finalize_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r already exists. %s: %s",
                        task_name, e.__class__, e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def schedule(cls, mapreduce_spec):
    """Schedule finalize task.

    Args:
      mapreduce_spec: mapreduce specification as MapreduceSpec.
    """
    task_name = mapreduce_spec.mapreduce_id + "-finalize"
    finalize_task = taskqueue.Task(
        name=task_name,
        url=(mapreduce_spec.params["base_path"] + "/finalizejob_callback/" +
             mapreduce_spec.mapreduce_id),
        params={"mapreduce_id": mapreduce_spec.mapreduce_id},
        headers=util._get_task_headers(mapreduce_spec.mapreduce_id))
    queue_name = util.get_queue_name(None)
    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_controller_task",
                          finalize_task,
                          queue_name):
      try:
        finalize_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r already exists. %s: %s",
                        task_name, e.__class__, e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def schedule(cls, mapreduce_spec):
    """Schedule finalize task.

    Args:
      mapreduce_spec: mapreduce specification as MapreduceSpec.
    """
    task_name = mapreduce_spec.mapreduce_id + "-finalize"
    finalize_task = taskqueue.Task(
        name=task_name,
        url=(mapreduce_spec.params["base_path"] + "/finalizejob_callback/" +
             mapreduce_spec.mapreduce_id),
        params={"mapreduce_id": mapreduce_spec.mapreduce_id},
        headers=util._get_task_headers(mapreduce_spec.mapreduce_id))
    queue_name = util.get_queue_name(None)
    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_controller_task",
                          finalize_task,
                          queue_name,
                          transactional=False):
      try:
        finalize_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r already exists. %s: %s",
                        task_name, e.__class__, e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def _add_task(cls,
                worker_task,
                mapreduce_spec,
                queue_name):
    """Schedule slice scanning by adding it to the task queue.

    Args:
      worker_task: a model.HugeTask task for slice. This is NOT a taskqueue
        task.
      mapreduce_spec: an instance of model.MapreduceSpec.
      queue_name: Optional queue to run on; uses the current queue of
        execution or the default queue if unspecified.
    """
    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_worker_task",
                          worker_task,
                          queue_name):
      try:
        # Not adding transactionally because worker_task has name.
        # Named task is not allowed for transactional add.
        worker_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r already exists. %s: %s",
                        worker_task.name,
                        e.__class__,
                        e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def reschedule(cls,
                 mapreduce_state,
                 base_path,
                 mapreduce_spec,
                 serial_id,
                 queue_name=None):
    """Schedule new update status callback task.

    Args:
      mapreduce_state: mapreduce state as model.MapreduceState
      base_path: mapreduce handlers url base path as string.
      mapreduce_spec: mapreduce specification as MapreduceSpec.
      serial_id: id of the invocation as int.
      queue_name: The queue to schedule this task on. Will use the current
        queue of execution if not supplied.
    """
    task_name = ControllerCallbackHandler.get_task_name(
        mapreduce_spec, serial_id)
    task_params = ControllerCallbackHandler.controller_parameters(
        mapreduce_spec, serial_id)
    if not queue_name:
      queue_name = os.environ.get("HTTP_X_APPENGINE_QUEUENAME", "default")

    controller_callback_task = model.HugeTask(
        url=base_path + "/controller_callback",
        name=task_name, params=task_params,
        countdown=_CONTROLLER_PERIOD_SEC,
        parent=mapreduce_state)

    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_controller_task",
                          controller_callback_task,
                          queue_name):
      try:
        controller_callback_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r with params %r already exists. %s: %s",
                        task_name, task_params, e.__class__, e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def run(self, seconds=None):
    task = self.get_callback_task(
        countdown=seconds,
        name='ae-pipeline-delay-' + self.pipeline_id)
    try:
      task.add(self.queue_name)
    except (taskqueue.TombstonedTaskError, taskqueue.TaskAlreadyExistsError):
      pass 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def post(self):
    if 'HTTP_X_APPENGINE_TASKNAME' not in self.request.environ:
      self.response.set_status(403)
      return

    context = _PipelineContext.from_environ(self.request.environ)

    # Set of stringified db.Keys of children to run.
    all_pipeline_keys = set()

    # For backwards compatibility with the old style of fan-out requests.
    all_pipeline_keys.update(self.request.get_all('pipeline_key'))

    # Fetch the child pipelines from the parent. This works around the 10KB
    # task payload limit. This get() is consistent-on-read and the fan-out
    # task is enqueued in the transaction that updates the parent, so the
    # fanned_out property is consistent here.
    parent_key = self.request.get('parent_key')
    child_indexes = [int(x) for x in self.request.get_all('child_indexes')]
    if parent_key:
      parent_key = db.Key(parent_key)
      parent = db.get(parent_key)
      for index in child_indexes:
        all_pipeline_keys.add(str(parent.fanned_out[index]))

    all_tasks = []
    for pipeline_key in all_pipeline_keys:
      all_tasks.append(taskqueue.Task(
          url=context.pipeline_handler_path,
          params=dict(pipeline_key=pipeline_key),
          headers={'X-Ae-Pipeline-Key': pipeline_key},
          name='ae-pipeline-fan-out-' + db.Key(pipeline_key).name()))

    batch_size = 100  # Limit of taskqueue API bulk add.
    for i in xrange(0, len(all_tasks), batch_size):
      batch = all_tasks[i:i+batch_size]
      try:
        taskqueue.Queue(context.queue_name).add(batch)
      except (taskqueue.TombstonedTaskError, taskqueue.TaskAlreadyExistsError):
        pass 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def reschedule(cls,
                 mapreduce_state,
                 mapreduce_spec,
                 serial_id,
                 queue_name=None):
    """Schedule new update status callback task.

    Args:
      mapreduce_state: mapreduce state as model.MapreduceState
      mapreduce_spec: mapreduce specification as MapreduceSpec.
      serial_id: id of the invocation as int.
      queue_name: The queue to schedule this task on. Will use the current
        queue of execution if not supplied.
    """
    task_name = ControllerCallbackHandler.get_task_name(
        mapreduce_spec, serial_id)
    task_params = ControllerCallbackHandler.controller_parameters(
        mapreduce_spec, serial_id)
    if not queue_name:
      queue_name = os.environ.get("HTTP_X_APPENGINE_QUEUENAME", "default")

    controller_callback_task = model.HugeTask(
        url=(mapreduce_spec.params["base_path"] + "/controller_callback/" +
             mapreduce_spec.mapreduce_id),
        name=task_name, params=task_params,
        countdown=parameters.config._CONTROLLER_PERIOD_SEC,
        parent=mapreduce_state,
        headers=util._get_task_headers(mapreduce_spec.mapreduce_id))

    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_controller_task",
                          controller_callback_task,
                          queue_name):
      try:
        controller_callback_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r with params %r already exists. %s: %s",
                        task_name, task_params, e.__class__, e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def _add_task(cls,
                worker_task,
                mapreduce_spec,
                queue_name,
                transactional=False):
    """Schedule slice scanning by adding it to the task queue.

    Args:
      worker_task: a model.HugeTask task for slice. This is NOT a taskqueue
        task.
      mapreduce_spec: an instance of model.MapreduceSpec.
      queue_name: Optional queue to run on; uses the current queue of
        execution or the default queue if unspecified.
      transactional: If the task should be part of an existing transaction.
    """
    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_worker_task",
                          worker_task,
                          queue_name,
                          transactional=transactional):
      try:
        worker_task.add(queue_name, transactional=transactional)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r already exists. %s: %s",
                        worker_task.name,
                        e.__class__,
                        e) 

# 需要导入模块: from google.appengine.api import taskqueue [as 别名]
# 或者: from google.appengine.api.taskqueue import TaskAlreadyExistsError [as 别名]
def reschedule(cls,
                 mapreduce_state,
                 mapreduce_spec,
                 serial_id,
                 queue_name=None):
    """Schedule new update status callback task.

    Args:
      mapreduce_state: mapreduce state as model.MapreduceState
      mapreduce_spec: mapreduce specification as MapreduceSpec.
      serial_id: id of the invocation as int.
      queue_name: The queue to schedule this task on. Will use the current
        queue of execution if not supplied.
    """

    task_name = ControllerCallbackHandler.get_task_name(
        mapreduce_spec, serial_id)
    task_params = ControllerCallbackHandler.controller_parameters(
        mapreduce_spec, serial_id)
    if not queue_name:
      queue_name = os.environ.get("HTTP_X_APPENGINE_QUEUENAME", "default")

    controller_callback_task = model.HugeTask(
        url=(mapreduce_spec.params["base_path"] + "/controller_callback/" +
             mapreduce_spec.mapreduce_id),
        name=task_name, params=task_params,
        countdown=parameters.config._CONTROLLER_PERIOD_SEC,
        parent=mapreduce_state,
        headers=util._get_task_headers(mapreduce_spec.mapreduce_id))

    if not _run_task_hook(mapreduce_spec.get_hooks(),
                          "enqueue_controller_task",
                          controller_callback_task,
                          queue_name,
                          transactional=False):
      try:
        controller_callback_task.add(queue_name)
      except (taskqueue.TombstonedTaskError,
              taskqueue.TaskAlreadyExistsError), e:
        logging.warning("Task %r with params %r already exists. %s: %s",
                        task_name, task_params, e.__class__, e)