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#!/usr/bin/env python2 |
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import sys, os, string, re |
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#!/usr/bin/env python |
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from DBSInfo import * |
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# #################################### |
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class DataDiscoveryError: |
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def __init__(self): |
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print '\nERROR accessing Data Discovery\n' |
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class DataDiscoveryError(exceptions.Exception): |
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def __init__(self, errorMessage): |
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self.args=errorMessage |
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exceptions.Exception.__init__(self, self.args) |
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pass |
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def getErrorMessage(self): |
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""" Return exception error """ |
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return "%s" % (self.args) |
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|
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# #################################### |
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class DatasetContentsError: |
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def __init__(self): |
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print '\nERROR accessing Data Discovery : getDatasetContents\n' |
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class NotExistingDatasetError(exceptions.Exception): |
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def __init__(self, errorMessage): |
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self.args=errorMessage |
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exceptions.Exception.__init__(self, self.args) |
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pass |
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def getErrorMessage(self): |
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""" Return exception error """ |
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return "%s" % (self.args) |
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# #################################### |
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class DatasetProvenanceError: |
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def __init__(self): |
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print '\nERROR accessing Data Discovery : getDatasetProvenance\n' |
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class NoDataTierinProvenanceError(exceptions.Exception): |
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def __init__(self, errorMessage): |
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self.args=errorMessage |
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exceptions.Exception.__init__(self, self.args) |
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pass |
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def getErrorMessage(self): |
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""" Return exception error """ |
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return "%s" % (self.args) |
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# #################################### |
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# class to find and extact info from published data |
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class DataDiscovery: |
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def __init__(self, owner, dataset, dataTiers, cfg_params): |
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def __init__(self, datasetPath, cfg_params): |
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# Attributes |
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self.dbsdataset=dataset+'/datatier/'+owner |
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self.dataTiers = dataTiers |
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self.datasetPath = datasetPath |
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self.cfg_params = cfg_params |
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self.dbspaths= [] # DBS output: list of dbspaths for all data |
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self.allblocks = [] # DBS output: list of map fileblocks-totevts for all dataset-owners |
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self.blocksinfo = {} # DBS output: map fileblocks-totevts for the primary block, used internally to this class |
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self.eventsPerBlock = {} # DBS output: map fileblocks-events for collection |
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self.eventsPerFile = {} # DBS output: map files-events |
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self.blocksinfo = {} # DBS output: map fileblocks-files |
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#DBS output: max events computed by method getMaxEvents |
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# #################################### |
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""" |
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Contact DBS |
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""" |
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parents = [] |
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parentsblocksinfo = {} |
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self.dbspaths.append("/"+self.dbsdataset) # add the primary dbspath |
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# it might be replaced if one get from DBSAPI the primary dbspath as well |
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dbs=DBSInfo(self.dbsdataset,self.dataTiers) |
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## get DBS URL |
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try: |
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self.blocksinfo=dbs.getDatasetContents() |
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except dbs.DBSError: |
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raise DataDiscoveryError |
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dbs_url=self.cfg_params['CMSSW.dbs_url'] |
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except KeyError: |
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dbs_url="http://cmsdoc.cern.ch/cms/test/aprom/DBS/CGIServer/prodquery" |
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## get info about the requested dataset |
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try: |
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dbs_instance=self.cfg_params['CMSSW.dbs_instance'] |
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except KeyError: |
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dbs_instance="MCGlobal/Writer" |
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dbs = DBSInfo(dbs_url, dbs_instance) |
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try: |
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parents=dbs.getDatasetProvenance() |
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except: |
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raise DataDiscoveryError |
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## for each parent get the corresponding fileblocks |
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for aparent in parents: |
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## fill a list of dbspaths |
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parentdbsdataset=aparent.getDatasetPath() |
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self.dbspaths.append(parentdbsdataset) |
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#tmppath=str(parentdbsdataset[1:-1]) |
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pdataset=string.split(parentdbsdataset,'/')[1] |
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pdt=string.split(parentdbsdataset,'/')[2] |
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powner=string.split(parentdbsdataset,'/')[3] |
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tmppath=pdataset+'/'+pdt+'/'+powner |
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## get the fileblocks of the parents : FIXME for the time being the first / in the path has to be removed |
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pdbs=DBSInfo(tmppath,[]) |
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try: |
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parentsblocksinfo=pdbs.getDatasetContents() |
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except: |
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raise DataDiscoveryError |
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self.datasets = dbs.getMatchingDatasets(self.datasetPath) |
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except DBS1API.dbsCgiApi.DbsCgiExecutionError, msg: |
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raise DataDiscoveryError(msg) |
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except DBSError, msg: |
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raise DataDiscoveryError(msg) |
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if len(self.datasets) == 0: |
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raise DataDiscoveryError("DatasetPath=%s unknown to DBS" %self.datasetPath) |
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if len(self.datasets) > 1: |
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raise DataDiscoveryError("DatasetPath=%s is ambiguous" %self.datasetPath) |
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self.allblocks.append(parentsblocksinfo.keys()) # add parent fileblocksinfo |
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try: |
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self.dbsdataset = self.datasets[0].get('datasetPathName') |
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## all the required blocks |
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self.allblocks.append(self.blocksinfo.keys()) # add also the primary fileblocksinfo |
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self.eventsPerBlock = dbs.getEventsPerBlock(self.dbsdataset) |
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self.blocksinfo = dbs.getDatasetFileBlocks(self.dbsdataset) |
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self.eventsPerFile = dbs.getEventsPerFile(self.dbsdataset) |
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except DBSError, ex: |
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raise DataDiscoveryError(ex.getErrorMessage()) |
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if len(self.eventsPerBlock) <= 0: |
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raise NotExistingDatasetError (("\nNo data for %s in DBS\nPlease check" |
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+ " dataset path variables in crab.cfg") |
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% self.dbsdataset) |
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# ################################################# |
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def getMaxEvents(self): |
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""" |
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max events of the primary dataset-owner |
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max events |
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""" |
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## loop over the fileblocks of the primary dataset-owner |
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## loop over the event collections |
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nevts=0 |
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for blockevts in self.blocksinfo.values(): |
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nevts=nevts+blockevts |
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for evc_evts in self.eventsPerBlock.values(): |
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nevts=nevts+evc_evts |
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return nevts |
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# ################################################# |
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def getDBSPaths(self): |
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def getEventsPerBlock(self): |
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""" |
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list the DBSpaths for all required data |
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list the event collections structure by fileblock |
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""" |
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return self.dbspaths |
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return self.eventsPerBlock |
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# ################################################# |
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def getEVC(self): |
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def getEventsPerFile(self): |
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""" |
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list the event collections structure by fileblock |
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list the event collections structure by file |
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""" |
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print "To be used by a more complex job splitting... TODO later... " |
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print "it requires changes in what's returned by DBSInfo.getDatasetContents and then fetchDBSInfo" |
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return self.eventsPerFile |
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# ################################################# |
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def getFileBlocks(self): |
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def getFiles(self): |
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""" |
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fileblocks for all required dataset-owners |
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return files grouped by fileblock |
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""" |
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return self.allblocks |
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return self.blocksinfo |
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######################################################################## |
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