python.TimeStampToRunLumi Namespace Reference

Functions
	TimeStampToRunLumi (tmstmp, guard=1, dbInstance="CONDBR2")

Function Documentation

TimeStampToRunLumi()

python.TimeStampToRunLumi.TimeStampToRunLumi	(		tmstmp,
			guard = 1,
			dbInstance = "CONDBR2" )

Definition at line 3 of file TimeStampToRunLumi.py.

def TimeStampToRunLumi(tmstmp,guard=1,dbInstance="CONDBR2"):
    from PyCool import cool
    from time import asctime,localtime
    dbSvc = cool.DatabaseSvcFactory.databaseService()
    db=dbSvc.openDatabase("COOLONL_TRIGGER/"+dbInstance)
    folder=db.getFolder("/TRIGGER/LUMI/LBTIME")
    range=guard*24*60*60*1e9 # 2 days in ns
    t1=int(tmstmp-range)
    t2=int(tmstmp+range)
    itr=folder.browseObjects(t1,t2,cool.ChannelSelection.all())
    while itr.goToNext():
        obj=itr.currentRef()
        #print ("Working on obj.until() =",asctime(localtime(obj.until()/1e9)) )
        if obj.until()>tmstmp:
            pl=obj.payload()
            run=pl["Run"]
            lb=pl["LumiBlock"]
            print ("Found Run/Lumi [%i/%i] lasting from %s to %s" %\
                   (run,lb,asctime(localtime(obj.since()/1e9)),asctime(localtime(obj.until()/1e9))))
            itr.close()
            db.closeDatabase()
            return (run,lb)
    print ("WARNING: No run/lumi block found for time",asctime(localtime(tmstmp/1e9)),"in folder /TRIGGER/LUMI/LBTIME of DB COOLONL_TRIGGER/CONDBR2")
    itr.close()
    db.closeDatabase()
    return None