def open(filename, flag='c', protocol=None, writeback=False):

    return DbfilenameShelf(filename, flag, protocol, writeback)
Add the BilledOpProtos in billed_ops_list to the given dict.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/shelve.py/open--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/appstats/recording.py/_add_billed_ops_to_map