writeTTDOffsetsToDB.py

#!/usr/bin/env python3
 
 
 
from ROOT import Belle2
 
 
def writeTTDOffsetsToDB(iovList=(0, 0, 0, 0), injectionDelay=(0, 0), triggeredBunchOffset=(0, 0)):
    """
    run this script to create db file storing the payload information of the TTDOffsets
    see `mdst/dbobjects/include/TTDOffsets.h` for definition of the parameters
    Parameters `injectionDelay` and `triggeredBunchOffset` are tuples for (HER, LER)
    """
 
    # just a few small sanity checks, e.g. iovList=(expLow, runLow, expHigh, runHigh)
    if len(iovList) != 4:
        return
    if len(injectionDelay) != 2:
        return
    if len(triggeredBunchOffset) != 2:
        return
 
    # create the iov
    iov = Belle2.IntervalOfValidity(*iovList)
    # and the payload object
    dbobj = Belle2.TTDOffsets()
    # then set the parameters it contains
    dbobj.setInjectionDelayHER(injectionDelay[0])
    dbobj.setInjectionDelayLER(injectionDelay[1])
    dbobj.setTriggeredBunchOffsetHER(triggeredBunchOffset[0])
    dbobj.setTriggeredBunchOffsetLER(triggeredBunchOffset[1])
 
    # write db object to 'localdb/'
    Belle2.Database.Instance().storeData("TTDOffsets", dbobj, iov)
 
 
if __name__ == "__main__":
    writeTTDOffsetsToDB((0, 0, -1, -1), (0, 0), (0, 0))