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Task Queue API module.
Classes
class BadTaskStateError: The task is in the wrong state for the requested operation.
class BadTransactionState: The state of the current transaction does not permit this operation.
class BadTransactionStateError: The state of the current transaction does not permit this operation.
class DatastoreError: There was a datastore error while accessing the queue.
class DuplicateTaskNameError: Two tasks have the same name.
class Error: Base class for exceptions in this module.
class InternalError: An internal error occurred while accessing this queue.
class InvalidDeadlineError: The requested deadline in lease_tasks is invalid.
class InvalidDispatchDeadlineError: The requested dispatch deadline for a push task is invalid.
class InvalidEtaError: The task's ETA is invalid.
class InvalidLeaseTimeError: The lease time period is invalid.
class InvalidMaxTasksError: The requested maximum number of tasks in lease_tasks is invalid.
class InvalidQueueError: The queue's configuration is invalid.
class InvalidQueueModeError: Invokes a pull queue operation on a push queue or vice versa.
class InvalidQueueNameError: The name of the queue is invalid.
class InvalidTagError: The specified tag is invalid.
class InvalidTaskError: The parameters, headers, or method of the task is invalid.
class InvalidTaskNameError: The name of the task is invalid.
class InvalidUrlError: The relative URL used for the task is invalid.
class PermissionDeniedError: The requested operation is not allowed for this app.
class Queue: Represents a queue.
class QueuePausedError: The queue is paused and cannot process modify task lease requests.
class QueueStatistics: Represents the current state of a queue.
class Task: Represents a single task on a queue.
class TaskAlreadyExistsError: The task already exists. It has not yet run.
class TaskLeaseExpiredError: The task lease could not be renewed because it had already expired.
class TaskRetryOptions: The options used to decide when a failed task will be retried.
class TaskTooLargeError: The task is too large with its headers and payload.
class TombstonedTaskError: The task has been tombstoned.
class TooManyTasksError: Too many tasks were present in a single function call.
class TransientError: A transient error occurred while accessing the queue. Try again later.
class UnknownQueueError: The queue specified is unknown.
Functions
add(...): Convenience method that creates a task and adds it to a queue.
create_rpc(...): Creates an RPC object for use with the Task Queue API.