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#!/usr/bin/env python
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__revision__ = "$Id: DataDiscovery.py,v 1.42 2010/03/22 21:17:15 ewv Exp $"
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__version__ = "$Revision: 1.42 $"
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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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from LumiList import LumiList
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import os
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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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def getErrorMessage(self):
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""" Return error message """
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return "%s" % (self.args)
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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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def getErrorMessage(self):
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""" Return error message """
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return "%s" % (self.args)
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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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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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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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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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class DataDiscovery:
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"""
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Class to find and extact info from published data
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"""
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def __init__(self, datasetPath, cfg_params, skipAnBlocks):
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# Attributes
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self.datasetPath = datasetPath
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# Analysis dataset is primary/processed/tier/definition
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self.ads = len(self.datasetPath.split("/")) > 4
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self.cfg_params = cfg_params
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self.skipBlocks = skipAnBlocks
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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.lumisPerBlock = {} # DBS output: number of lumis in each block
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# self.lumisPerFile = {} # DBS output: number of lumis in each file
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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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self.maxLumis = 0 # DBS output: total number of lumis
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self.parent = {} # DBS output: parents of each file
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self.lumis = {} # DBS output: lumis in each file
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self.lumiMask = None
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self.splitByLumi = False
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def fetchDBSInfo(self):
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"""
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Contact DBS
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"""
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## get DBS URL
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global_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet"
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dbs_url= self.cfg_params.get('CMSSW.dbs_url', global_url)
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common.logger.info("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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## check if various lumi parameters are set
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self.lumiMask = self.cfg_params.get('CMSSW.lumi_mask',None)
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self.lumiParams = self.cfg_params.get('CMSSW.total_number_of_lumis',None) or \
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self.cfg_params.get('CMSSW.lumis_per_job',None)
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lumiList = None
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if self.lumiMask:
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lumiList = LumiList(filename=self.lumiMask)
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if runselection:
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runList = LumiList(runs = runselection)
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self.splitByRun = int(self.cfg_params.get('CMSSW.split_by_run', 0))
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common.logger.log(10-1,"runselection is: %s"%runselection)
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if not self.splitByRun:
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self.splitByLumi = self.lumiMask or self.lumiParams or self.ads
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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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## check if has been requested to use the parent info
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useparent = int(self.cfg_params.get('CMSSW.use_parent',0))
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## check if has been asked for a non default file to store/read analyzed fileBlocks
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defaultName = common.work_space.shareDir()+'AnalyzedBlocks.txt'
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fileBlocks_FileName = os.path.abspath(self.cfg_params.get('CMSSW.fileblocks_file',defaultName))
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api = DBSAPI.dbsApi.DbsApi(args)
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self.files = self.queryDbs(api,path=self.datasetPath,runselection=runselection,useParent=useparent)
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# Check to see what the dataset is
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pdsName = self.datasetPath.split("/")[1]
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primDSs = api.listPrimaryDatasets(pdsName)
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dataType = primDSs[0]['Type']
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common.logger.debug("Datatype is %s" % dataType)
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if dataType == 'data' and not (self.splitByRun or self.splitByLumi):
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msg = 'Data must be split by lumi or by run. ' \
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'Please see crab -help for the correct settings'
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raise CrabException(msg)
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anFileBlocks = []
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if self.skipBlocks: anFileBlocks = readTXTfile(self, fileBlocks_FileName)
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# parse files and fill arrays
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for file in self.files :
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parList = []
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fileLumis = [] # List of tuples
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# skip already analyzed blocks
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fileblock = file['Block']['Name']
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if fileblock not in anFileBlocks :
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filename = file['LogicalFileName']
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# asked retry the list of parent for the given child
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if useparent==1:
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parList = [x['LogicalFileName'] for x in file['ParentList']]
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if self.splitByLumi:
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fileLumis = [ (x['RunNumber'], x['LumiSectionNumber'])
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for x in file['LumiList'] ]
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self.parent[filename] = parList
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# For LumiMask, intersection of two lists.
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if self.lumiMask and runselection:
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self.lumis[filename] = runList.filterLumis(lumiList.filterLumis(fileLumis))
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elif runselection:
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self.lumis[filename] = runList.filterLumis(fileLumis)
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elif self.lumiMask:
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self.lumis[filename] = lumiList.filterLumis(fileLumis)
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else:
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self.lumis[filename] = fileLumis
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if filename.find('.dat') < 0 :
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events = file['NumberOfEvents']
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# Count number of events and lumis 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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# List of files 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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# total number of events
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self.maxEvents += events
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self.maxLumis += len(self.lumis[filename])
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if self.skipBlocks and len(self.eventsPerBlock.keys()) == 0:
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msg = "No new fileblocks available for dataset: "+str(self.datasetPath)
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raise CrabException(msg)
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saveFblocks=''
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for block in self.eventsPerBlock.keys() :
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saveFblocks += str(block)+'\n'
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common.logger.log(10-1,"DBSInfo: total nevts %i in block %s "%(self.eventsPerBlock[block],block))
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writeTXTfile(self, fileBlocks_FileName , saveFblocks)
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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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def queryDbs(self,api,path=None,runselection=None,useParent=None):
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allowedRetriveValue = ['retrive_block', 'retrive_run']
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if self.ads or self.lumiMask or self.lumiParams:
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allowedRetriveValue.append('retrive_lumi')
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if useParent == 1: allowedRetriveValue.append('retrive_parent')
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common.logger.debug("Set of input parameters used for DBS query: %s" % allowedRetriveValue)
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try:
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if len(runselection) <=0 or self.splitByLumi:
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if useParent==1 or self.splitByRun==1 or self.splitByLumi:
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if self.ads:
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files = api.listFiles(analysisDataset=path, retriveList=allowedRetriveValue)
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else :
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files = api.listFiles(path=path, retriveList=allowedRetriveValue)
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else:
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files = api.listDatasetFiles(self.datasetPath)
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else :
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files=[]
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for arun in runselection:
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try:
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if self.ads:
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filesinrun = api.listFiles(analysisDataset=path,retriveList=allowedRetriveValue,runNumber=arun)
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else:
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filesinrun = api.listFiles(path=path,retriveList=allowedRetriveValue,runNumber=arun)
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files.extend(filesinrun)
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except:
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msg="WARNING: problem extracting info from DBS for run %s "%arun
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common.logger.info(msg)
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pass
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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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return files
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def getMaxEvents(self):
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"""
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max events
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"""
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return self.maxEvents
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def getMaxLumis(self):
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"""
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Return the number of lumis in the dataset
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"""
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return self.maxLumis
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def getEventsPerBlock(self):
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"""
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list the event collections structure by fileblock
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"""
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return self.eventsPerBlock
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def getEventsPerFile(self):
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"""
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list the event collections structure by file
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"""
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return self.eventsPerFile
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def getFiles(self):
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"""
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return files grouped by fileblock
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"""
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return self.blocksinfo
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def getParent(self):
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"""
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return parent grouped by file
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"""
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return self.parent
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def getLumis(self):
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"""
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return lumi sections grouped by file
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"""
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return self.lumis
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def getListFiles(self):
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"""
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return parent grouped by file
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"""
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return self.files
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