LSSTApplications
20.0.0
LSSTDataManagementBasePackage
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Public Member Functions | |
def | makeTask (self, taskClass, config, overrides, butler) |
Abstract base class for task factory. Task factory is responsible for creating instances of PipelineTask subclasses.
Definition at line 30 of file taskFactory.py.
def lsst.pipe.base.taskFactory.TaskFactory.makeTask | ( | self, | |
taskClass, | |||
config, | |||
overrides, | |||
butler | |||
) |
Create new PipelineTask instance from its class. Parameters ---------- taskClass : `type` `PipelineTask` sub-class. config : `pex.Config` or `None` Configuration object, if `None` then use task-defined configuration class (``taskClass.ConfigClass``) to create new instance. overrides : `ConfigOverrides` 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. This parameter is exclusive with ``config``, only one of the two can be specified as not-`None`. butler : `~lsst.daf.butler.Butler` or None Butler instance used to obtain initialization inputs for PipelineTasks. If `None`, some PipelineTasks will not be usable Returns ------- task : `PipelineTask` 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.
Definition at line 38 of file taskFactory.py.