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#!/usr/bin/env python |
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import sys, os, string, re |
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from DBSInfo import * |
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import exceptions |
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import DBSAPI.dbsApi |
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from DBSAPI.dbsApiException import * |
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import common |
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from crab_util import * |
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# ####################################### |
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class DBSError(exceptions.Exception): |
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def __init__(self, errorName, errorMessage): |
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args='\nERROR DBS %s : %s \n'%(errorName,errorMessage) |
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exceptions.Exception.__init__(self, args) |
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pass |
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|
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def getErrorMessage(self): |
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""" Return error message """ |
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return "%s" % (self.args) |
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|
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# ####################################### |
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class DBSInvalidDataTierError(exceptions.Exception): |
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def __init__(self, errorName, errorMessage): |
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args='\nERROR DBS %s : %s \n'%(errorName,errorMessage) |
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exceptions.Exception.__init__(self, args) |
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pass |
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|
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def getErrorMessage(self): |
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""" Return error message """ |
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return "%s" % (self.args) |
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|
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# ####################################### |
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class DBSInfoError: |
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def __init__(self, url): |
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print '\nERROR accessing DBS url : '+url+'\n' |
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pass |
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# #################################### |
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class DataDiscoveryError(exceptions.Exception): |
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def __init__(self, errorMessage): |
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args=errorMessage |
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exceptions.Exception.__init__(self, args) |
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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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# #################################### |
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class NotExistingDatasetError(exceptions.Exception): |
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def __init__(self, errorMessage): |
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args=errorMessage |
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exceptions.Exception.__init__(self, args) |
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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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# #################################### |
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class NoDataTierinProvenanceError(exceptions.Exception): |
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def __init__(self, errorMessage): |
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args=errorMessage |
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exceptions.Exception.__init__(self, args) |
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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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# #################################### |
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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.owner = owner |
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self.dataset = dataset |
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self.dataTiers = dataTiers |
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# Attributes |
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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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#DBS output: max events computed by method getMaxEvents |
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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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self.maxEvents = 0 # DBS output: max events |
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# #################################### |
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def fetchDBSInfo(self): |
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Contact DBS |
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""" |
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## add the PU among the required data tiers if the Digi are requested |
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if (self.dataTiers.count('Digi')>0) & (self.dataTiers.count('PU')<=0) : |
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self.dataTiers.append('PU') |
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## get DBS URL |
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dbs_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet" |
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if (self.cfg_params.has_key('CMSSW.dbs_url')): |
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dbs_url=self.cfg_params['CMSSW.dbs_url'] |
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common.logger.debug(3,"Accessing DBS at: "+dbs_url) |
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## check if runs are selected |
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runselection = [] |
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if (self.cfg_params.has_key('CMSSW.runselection')): |
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runselection = parseRange2(self.cfg_params['CMSSW.runselection']) |
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## service API |
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args = {} |
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args['url'] = dbs_url |
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args['level'] = 'CRITICAL' |
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## get info about the requested dataset |
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dbs=DBSInfo() |
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api = DBSAPI.dbsApi.DbsApi(args) |
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try: |
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self.datasets = dbs.getMatchingDatasets(self.owner, self.dataset) |
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except DBSError, ex: |
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raise DataDiscoveryError(ex.getErrorMessage()) |
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if len(self.datasets) == 0: |
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raise DataDiscoveryError("Owner=%s, Dataset=%s unknown to DBS" % (self.owner, self.dataset)) |
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if len(self.datasets) > 1: |
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raise DataDiscoveryError("Owner=%s, Dataset=%s is ambiguous" % (self.owner, self.dataset)) |
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try: |
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self.dbsdataset = self.datasets[0].get('datasetPathName') |
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self.blocksinfo = dbs.getDatasetContents(self.dbsdataset) |
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self.allblocks.append (self.blocksinfo.keys ()) # add also the current fileblocksinfo |
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self.dbspaths.append(self.dbsdataset) |
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except DBSError, ex: |
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raise DataDiscoveryError(ex.getErrorMessage()) |
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if len(self.blocksinfo)<=0: |
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msg="\nERROR Data for %s do not exist in DBS! \n Check the dataset/owner variables in crab.cfg !"%self.dbsdataset |
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raise NotExistingDatasetError(msg) |
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## get info about the parents |
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try: |
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parents=dbs.getDatasetProvenance(self.dbsdataset, self.dataTiers) |
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except DBSInvalidDataTierError, ex: |
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msg=ex.getErrorMessage()+' \n Check the data_tier variable in crab.cfg !\n' |
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if len(runselection) <= 0 : |
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files = api.listDatasetFiles(self.datasetPath) |
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else : |
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files = api.listFiles(path=self.datasetPath, details=True) |
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except DbsBadRequest, 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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except DBSError, ex: |
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raise DataDiscoveryError(ex.getErrorMessage()) |
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## check that the user asks for parent Data Tier really existing in the DBS provenance |
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self.checkParentDataTier(parents, self.dataTiers) |
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## for each parent get the corresponding fileblocks |
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try: |
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for p in parents: |
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## fill a list of dbspaths |
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parentPath = p.get('parent').get('datasetPathName') |
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self.dbspaths.append (parentPath) |
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parentBlocks = dbs.getDatasetContents (parentPath) |
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self.allblocks.append (parentBlocks.keys ()) # add parent fileblocksinfo |
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except DBSError, ex: |
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raise DataDiscoveryError(ex.getErrorMessage()) |
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# ################################################# |
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def checkParentDataTier(self, parents, dataTiers): |
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""" |
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check that the data tiers requested by the user really exists in the provenance of the given dataset |
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""" |
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startType = string.split(self.dbsdataset,'/')[2] |
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# for example 'type' is PU and 'dataTier' is Hit |
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parentTypes = map(lambda p: p.get('type'), parents) |
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for tier in dataTiers: |
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if parentTypes.count(tier) <= 0 and tier != startType: |
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msg="\nERROR Data %s not published in DBS with asked data tiers : the data tier not found is %s !\n Check the data_tier variable in crab.cfg !"%(self.dbsdataset,tier) |
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raise NoDataTierinProvenanceError(msg) |
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# parse files and fill arrays |
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for file in files : |
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filename = file['LogicalFileName'] |
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if filename.find('.dat') < 0 : |
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fileblock = file['Block']['Name'] |
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events = file['NumberOfEvents'] |
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continue_flag = 0 |
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if len(runselection) > 0 : |
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runslist = file['RunsList'] |
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for run in runslist : |
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runnumber = run['RunNumber'] |
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for selected_run in runselection : |
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if runnumber == selected_run : |
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continue_flag = 1 |
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else : |
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continue_flag = 1 |
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if continue_flag == 1 : |
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# number of events per block |
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if fileblock in self.eventsPerBlock.keys() : |
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self.eventsPerBlock[fileblock] += events |
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else : |
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self.eventsPerBlock[fileblock] = events |
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# number of events per file |
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self.eventsPerFile[filename] = events |
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|
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# number of events per block |
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if fileblock in self.blocksinfo.keys() : |
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self.blocksinfo[fileblock].append(filename) |
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else : |
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self.blocksinfo[fileblock] = [filename] |
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|
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# total number of events |
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self.maxEvents += events |
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for block in self.eventsPerBlock.keys() : |
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common.logger.debug(6,"DBSInfo: total nevts %i in block %s "%(self.eventsPerBlock[block],block)) |
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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.datasetPath) |
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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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nevts=0 |
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for blockevts in self.blocksinfo.values(): |
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nevts=nevts+blockevts |
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return nevts |
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return self.maxEvents |
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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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######################################################################## |
