TaskFactory

class lsst.ctrl.mpexec.TaskFactory

Bases: TaskFactory

Class instantiating PipelineTasks.

Methods Summary

makeTask(taskClass, label, config, ...)

Create new PipelineTask instance from its class.

Methods Documentation

makeTask(taskClass: type[PipelineTask], label: str | None, config: PipelineTaskConfig | None, overrides: ConfigOverrides | None, butler: Butler | None) → PipelineTask

Create new PipelineTask instance from its class.

Parameters:

taskClasstype

PipelineTask class.

labelstr or None

The label of the new task; if None then use taskClass._DefaultName.

configpex.Config or None

Configuration object, if None then use task-defined configuration class to create new instance.

overridesConfigOverrides or None

Configuration overrides, this should contain all overrides to be applied to a default task config, including instrument-specific, obs-package specific, and possibly command-line overrides.

butlerlsst.daf.butler.Butler or None

Butler instance used to obtain initialization inputs for PipelineTasks. If None, some PipelineTasks will not be usable

Returns:

Instance of a PipelineTask class or None on errors.

Raises:

Any exceptions that are raised by PipelineTask constructor or its

configuration class are propagated back to caller.