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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def configure_defaults():
 """ This function is executed immediately after ROOT's finalSetup """

    log.debug("configure_defaults()")

    global initialized
    initialized = True

    if use_rootpy_handler:
        # Need to do it again here, since it is overridden by ROOT.
        set_error_handler(python_logging_error_handler)

    if os.environ.get('ROOTPY_BATCH', False) or IN_NOSETESTS:
        ROOT.gROOT.SetBatch(True)
        log.debug('ROOT is running in batch mode')

    ROOT.gErrorIgnoreLevel = 0

    this_dll = C.CDLL(None)
    try:
        EnableAutoDictionary = C.c_int.in_dll(
            this_dll, "G__EnableAutoDictionary")
    except ValueError:
        pass
    else:
        # Disable automatic dictionary generation
        EnableAutoDictionary.value = 0

    # TODO(pwaller): idea, `execfile("userdata/initrc.py")` here?
    #                note: that wouldn't allow the user to override the default
    #                      canvas size, for example.

    for init in _initializations:
        init()