Coverage for python/lsst/ctrl/mpexec/taskFactory.py: 28%

33 statements  

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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 

33import warnings 

34from collections.abc import Iterable 

35from typing import TYPE_CHECKING, Any 

36 

37from lsst.pipe.base import TaskDef 

38from lsst.pipe.base import TaskFactory as BaseTaskFactory 

39from lsst.pipe.base.pipeline_graph import TaskNode 

40from lsst.utils.introspection import find_outside_stacklevel 

41 

42if TYPE_CHECKING: 

43 from lsst.daf.butler import DatasetRef, LimitedButler 

44 from lsst.pipe.base import PipelineTask 

45 

46_LOG = logging.getLogger(__name__) 

47 

48 

49class TaskFactory(BaseTaskFactory): 

50 """Class instantiating PipelineTasks.""" 

51 

52 def makeTask( 

53 self, 

54 task_node: TaskDef | TaskNode, 

55 /, 

56 butler: LimitedButler, 

57 initInputRefs: Iterable[DatasetRef] | None, 

58 ) -> PipelineTask: 

59 # docstring inherited 

60 config = task_node.config 

61 init_inputs: dict[str, Any] = {} 

62 init_input_refs_by_dataset_type = {} 

63 if initInputRefs is not None: 

64 init_input_refs_by_dataset_type = {ref.datasetType.name: ref for ref in initInputRefs} 

65 if isinstance(task_node, TaskDef): 

66 # TODO: remove this block on DM-40443, along with type annotation. 

67 warnings.warn( 

68 "Passing TaskDef to TaskFactory is deprecated and will not be supported after v27.", 

69 FutureWarning, 

70 find_outside_stacklevel("lsst.pipe.base"), 

71 ) 

72 task_class = task_node.taskClass 

73 assert task_class is not None 

74 if init_input_refs_by_dataset_type: 

75 connections = config.connections.ConnectionsClass(config=config) 

76 for name in connections.initInputs: 

77 attribute = getattr(connections, name) 

78 init_inputs[name] = butler.get(init_input_refs_by_dataset_type[attribute.name]) 

79 else: 

80 task_class = task_node.task_class 

81 if init_input_refs_by_dataset_type: 

82 for read_edge in task_node.init.inputs.values(): 

83 init_inputs[read_edge.connection_name] = butler.get( 

84 init_input_refs_by_dataset_type[read_edge.dataset_type_name] 

85 ) 

86 # make task instance 

87 task = task_class(config=config, initInputs=init_inputs, name=task_node.label) 

88 return task