dodal.devices.zocalo.zocalo_results.ZocaloResults

class dodal.devices.zocalo.zocalo_results.ZocaloResults

An ophyd device which can wait for results from a Zocalo job. These jobs should be triggered from a plan-subscribed callback using the run_start() and run_end() methods on dodal.devices.zocalo.ZocaloTrigger.

See DiamondLightSource/dodal

Parameters:

• name (str, default: 'zocalo')

• zocalo_environment (str, default: 'dev_artemis')

• channel (str, default: 'xrc.i03')

• sort_key (str, default: 'max_count')

• timeout_s (float, default: 180)

• prefix (str, default: '')

Methods

describe()	rtype: dict[str, DataKey]
stage()	Stages the Zocalo device by: subscribing to the queue, doing a background sleep for a few seconds to wait for any stale messages to be recieved, then clearing the queue.
trigger()	Returns an AsyncStatus waiting for results to be received from Zocalo.
unstage()

Attributes

stage()

Stages the Zocalo device by: subscribing to the queue, doing a background sleep for a few seconds to wait for any stale messages to be recieved, then clearing the queue. Plans using this device should wait on ZOCALO_STAGE_GROUP before triggering processing for the experiment

trigger()

Returns an AsyncStatus waiting for results to be received from Zocalo.