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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_LOG = logging.getLogger() 

31 

32 

33def prepare(config, generic_workflow, out_prefix): 

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

35 

36 Parameters 

37 ---------- 

38 config : `~lsst.ctrl.bps.bps_config.BpsConfig` 

39 Contains configuration for BPS. 

40 generic_workflow : `~lsst.ctrl.bps.generic_workflow.GenericWorkflow` 

41 Contains generic workflow. 

42 out_prefix : `str` 

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

44 

45 Returns 

46 ------- 

47 wms_workflow : `~lsst.ctrl.bps.wms_workflow` 

48 WMS-specific workflow. 

49 """ 

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

51 wms_service = wms_service_class(config) 

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

53 

54 # Save QuantumGraphs. 

55 # (putting after call to prepare so don't write a bunch of files if prepare fails) 

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

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

58 for job_name in generic_workflow.nodes(): 

59 job = generic_workflow.get_job(job_name) 

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

61 

62 return wms_workflow