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#!/usr/bin/env python
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#---------------------------------------------------------------------------------------------------
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# Simple interface to command line DBS to prepare my crabTask input files.
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#---------------------------------------------------------------------------------------------------
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import os,sys,types,string,getopt
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# Define string to explain usage of the script
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usage = "Usage: input.py --dataset=<name>\n"
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usage += " --option=[ lfn, xml ]\n"
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usage += " --help\n"
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def printLine(option,nEvents,block,lfn,iJob):
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if option == 'xml':
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print ' <Job MaxEvents="%d'%nEvents + '" InputFiles="' + lfn \
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+ '" SkipEvents="0" JobID="%d'%iJob + '" > </Job>'
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else:
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print "%s %s %d"%(block,lfn,nEvents)
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# Define the valid options which can be specified and check out the command line
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valid = ['db=','dataset=','option=','help']
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try:
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opts, args = getopt.getopt(sys.argv[1:], "", valid)
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except getopt.GetoptError, ex:
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print usage
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print str(ex)
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sys.exit(1)
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# --------------------------------------------------------------------------------------------------
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# Get all parameters for the production
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# --------------------------------------------------------------------------------------------------
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# Set defaults for each option
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db = None
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dataset = None
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option = 'lfn'
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# Read new values from the command line
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for opt, arg in opts:
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if opt == "--help":
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print usage
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sys.exit(0)
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if opt == "--db":
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db = arg
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if opt == "--dataset":
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dataset = arg
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if opt == "--option":
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option = arg
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# Deal with obvious problems
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if dataset == None:
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cmd = "--dataset= required parameter not provided."
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raise RuntimeError, cmd
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#---------------------------------------------------------------------------------------------------
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# main
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#---------------------------------------------------------------------------------------------------
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if not db:
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# find relevant blocks
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cmd = "dbs search --query=\"find block where dataset=" + dataset + "\""
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cmd += "| grep \# | sort"
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blocks = []
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iJob = 1
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if option == 'xml':
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print '<arguments>'
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for line in os.popen(cmd).readlines():
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line = line[:-1]
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blocks.append(line)
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for block in blocks:
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cmd = "dbs search --query=\"find file,file.numevents where block=" + block + "\""
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cmd += "| grep store | sort"
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for line in os.popen(cmd).readlines():
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line = line[:-1]
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f = line.split()
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lfn = f[0]
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nEvents = int(f[1])
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f = lfn.split("/")
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file = f[-1]
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if nEvents != 0:
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printLine(option,nEvents,block,lfn,iJob)
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iJob = iJob + 1
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if option == 'xml':
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print '</arguments>'
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if db:
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cmd = 'cat ' + db
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iJob = 1
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if option == 'xml':
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print '<arguments>'
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for line in os.popen(cmd).readlines():
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line = line[:-1]
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f = line.split()
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block = f[0]
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lfn = f[1]
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nEvents = int(f[2])
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f = lfn.split("/")
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file = f[-1]
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if nEvents != 0:
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printLine(option,nEvents,block,lfn,iJob)
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iJob = iJob + 1
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if option == 'xml':
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print '</arguments>'
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