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# parallel.client.asyncresult

## Module: `parallel.client.asyncresult`

Inheritance diagram for `IPython.parallel.client.asyncresult`:

AsyncResult objects for the client

Authors:

- MinRK

## Classes

### `AsyncHubResult`

class `IPython.parallel.client.asyncresult.``AsyncHubResult`(client, msg_ids, fname='unknown', targets=None, tracker=None)

  Bases: `IPython.parallel.client.asyncresult.AsyncResult`

  Class to wrap pending results that must be requested from the Hub.

  Note that waiting/polling on these objects requires polling the Hubover the network, so use AsyncHubResult.wait() sparingly.

  `__init__`(client, msg_ids, fname='unknown', targets=None, tracker=None)
  `abort`()

    abort my tasks.

  `get`(timeout=-1)

    Return the result when it arrives.

    If timeout is not `None` and the result does not arrive within timeout seconds then `TimeoutError` is raised. If the remote call raised an exception then that exception will be reraised by get() inside a RemoteError.

  `get_dict`(timeout=-1)

    Get the results as a dict, keyed by engine_id.

    timeout behavior is described in get().

  `metadata`

    property for accessing execution metadata.

  `msg_ids` = None
  `r`

    result property wrapper for get(timeout=0).

  `ready`()

    Return whether the call has completed.

  `result`

    result property wrapper for get(timeout=0).

  `result_dict`

    result property as a dict.

  `sent`

    check whether my messages have been sent.

  `successful`()

    Return whether the call completed without raising an exception.

    Will raise `AssertionError` if the result is not ready.

  `wait`(timeout=-1)

    wait for result to complete.

  `wait_for_send`(timeout=-1)

    wait for pyzmq send to complete.

    This is necessary when sending arrays that you intend to edit in-place. timeout is in seconds, and will raise TimeoutError if it is reached before the send completes.

### `AsyncMapResult`

class `IPython.parallel.client.asyncresult.``AsyncMapResult`(client, msg_ids, mapObject, fname='')

  Bases: `IPython.parallel.client.asyncresult.AsyncResult`

  Class for representing results of non-blocking gathers.

  This will properly reconstruct the gather.

  `__init__`(client, msg_ids, mapObject, fname='')
  `abort`()

    abort my tasks.

  `get`(timeout=-1)

    Return the result when it arrives.

    If timeout is not `None` and the result does not arrive within timeout seconds then `TimeoutError` is raised. If the remote call raised an exception then that exception will be reraised by get() inside a RemoteError.

  `get_dict`(timeout=-1)

    Get the results as a dict, keyed by engine_id.

    timeout behavior is described in get().

  `metadata`

    property for accessing execution metadata.

  `msg_ids` = None
  `r`

    result property wrapper for get(timeout=0).

  `ready`()

    Return whether the call has completed.

  `result`

    result property wrapper for get(timeout=0).

  `result_dict`

    result property as a dict.

  `sent`

    check whether my messages have been sent.

  `successful`()

    Return whether the call completed without raising an exception.

    Will raise `AssertionError` if the result is not ready.

  `wait`(timeout=-1)

    Wait until the result is available or until timeout seconds pass.

    This method always returns None.

  `wait_for_send`(timeout=-1)

    wait for pyzmq send to complete.

    This is necessary when sending arrays that you intend to edit in-place. timeout is in seconds, and will raise TimeoutError if it is reached before the send completes.

### `AsyncResult`

class `IPython.parallel.client.asyncresult.``AsyncResult`(client, msg_ids, fname='unknown', targets=None, tracker=None)

  Bases: `object`

  Class for representing results of non-blocking calls.

  Provides the same interface as `multiprocessing.pool.AsyncResult`.

  `__init__`(client, msg_ids, fname='unknown', targets=None, tracker=None)
  `abort`()

    abort my tasks.

  `get`(timeout=-1)

    Return the result when it arrives.

    If timeout is not `None` and the result does not arrive within timeout seconds then `TimeoutError` is raised. If the remote call raised an exception then that exception will be reraised by get() inside a RemoteError.

  `get_dict`(timeout=-1)

    Get the results as a dict, keyed by engine_id.

    timeout behavior is described in get().

  `metadata`

    property for accessing execution metadata.

  `msg_ids` = None
  `r`

    result property wrapper for get(timeout=0).

  `ready`()

    Return whether the call has completed.

  `result`

    result property wrapper for get(timeout=0).

  `result_dict`

    result property as a dict.

  `sent`

    check whether my messages have been sent.

  `successful`()

    Return whether the call completed without raising an exception.

    Will raise `AssertionError` if the result is not ready.

  `wait`(timeout=-1)

    Wait until the result is available or until timeout seconds pass.

    This method always returns None.

  `wait_for_send`(timeout=-1)

    wait for pyzmq send to complete.

    This is necessary when sending arrays that you intend to edit in-place. timeout is in seconds, and will raise TimeoutError if it is reached before the send completes.

## Function

`IPython.parallel.client.asyncresult.``check_ready`(f)

  Call spin() to sync state prior to calling the method.

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