Coverage for python/lsst/ctrl/mpexec/taskFactory.py: 30%

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1# This file is part of ctrl_mpexec. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This software is dual licensed under the GNU General Public License and also 

10# under a 3-clause BSD license. Recipients may choose which of these licenses 

11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt, 

12# respectively. If you choose the GPL option then the following text applies 

13# (but note that there is still no warranty even if you opt for BSD instead): 

14# 

15# This program is free software: you can redistribute it and/or modify 

16# it under the terms of the GNU General Public License as published by 

17# the Free Software Foundation, either version 3 of the License, or 

18# (at your option) any later version. 

19# 

20# This program is distributed in the hope that it will be useful, 

21# but WITHOUT ANY WARRANTY; without even the implied warranty of 

22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

23# GNU General Public License for more details. 

24# 

25# You should have received a copy of the GNU General Public License 

26# along with this program. If not, see <http://www.gnu.org/licenses/>. 

27 

28from __future__ import annotations 

29 

30__all__ = ["TaskFactory"] 

31 

32import logging 

33from collections.abc import Iterable 

34from typing import TYPE_CHECKING, Any 

35 

36from lsst.pipe.base import TaskFactory as BaseTaskFactory 

37 

38if TYPE_CHECKING: 

39 from lsst.daf.butler import DatasetRef, LimitedButler 

40 from lsst.pipe.base import PipelineTask, TaskDef 

41 

42_LOG = logging.getLogger(__name__) 

43 

44 

45class TaskFactory(BaseTaskFactory): 

46 """Class instantiating PipelineTasks.""" 

47 

48 def makeTask( 

49 self, taskDef: TaskDef, butler: LimitedButler, initInputRefs: Iterable[DatasetRef] | None 

50 ) -> PipelineTask: 

51 # docstring inherited 

52 

53 config = taskDef.config 

54 

55 # Get init inputs from butler. 

56 init_inputs: dict[str, Any] = {} 

57 if initInputRefs: 

58 connections = config.connections.ConnectionsClass(config=config) 

59 for name in connections.initInputs: 

60 attribute = getattr(connections, name) 

61 dataset_type_name = attribute.name 

62 for ref in initInputRefs: 

63 if ref.datasetType.name == dataset_type_name: 

64 init_inputs[name] = butler.get(ref) 

65 break 

66 

67 # make task instance 

68 task = taskDef.taskClass(config=config, initInputs=init_inputs, name=taskDef.label) 

69 return task