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1# This file is part of ctrl_bps. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://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 program is free software: you can redistribute it and/or modify 

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

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

12# (at your option) any later version. 

13# 

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

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

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

17# GNU General Public License for more details. 

18# 

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

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

21 

22"""Driver for preparing a WMS-specific workflow. 

23""" 

24 

25import logging 

26 

27from lsst.utils import doImport 

28from .bps_utils import save_qg_subgraph, WhenToSaveQuantumGraphs, create_job_quantum_graph_filename 

29 

30 

31_LOG = logging.getLogger(__name__) 

32 

33 

34def prepare(config, generic_workflow, out_prefix): 

35 """Convert generic workflow to a workflow for a particular WMS. 

36 

37 Parameters 

38 ---------- 

39 config : `lsst.ctrl.bps.BpsConfig` 

40 Contains configuration for BPS. 

41 generic_workflow : `lsst.ctrl.bps.GenericWorkflow` 

42 Contains generic workflow. 

43 out_prefix : `str` 

44 Contains directory to which any WMS-specific files should be written. 

45 

46 Returns 

47 ------- 

48 wms_workflow : `lsst.ctrl.bps.BaseWmsWorkflow` 

49 WMS-specific workflow. 

50 """ 

51 found, wms_class = config.search("wmsServiceClass") 

52 if not found: 

53 raise KeyError("Missing wmsServiceClass in bps config. Aborting.") 

54 

55 wms_service_class = doImport(config["wmsServiceClass"]) 

56 wms_service = wms_service_class(config) 

57 wms_workflow = wms_service.prepare(config, generic_workflow, out_prefix) 

58 

59 # Save QuantumGraphs (putting after call to prepare so don't write a 

60 # bunch of files if prepare fails). 

61 found, when_save = config.search("whenSaveJobQgraph", {"default": WhenToSaveQuantumGraphs.TRANSFORM.name}) 

62 if found and WhenToSaveQuantumGraphs[when_save.upper()] == WhenToSaveQuantumGraphs.PREPARE: 

63 for job_name in generic_workflow.nodes(): 

64 job = generic_workflow.get_job(job_name) 

65 save_qg_subgraph(job.quantum_graph, create_job_quantum_graph_filename(job, out_prefix)) 

66 

67 return wms_workflow