def expand_month(range_str):
    return expand_date_family(range_str, parse_month, month_iterator)
>>> expand_month('Sep-2011..Feb-2012') == set(['20110901', '20111001', '20111101', '20111201', '20120101', '20120201'])
dataset/ETHPy150Open practo/r5d4/r5d4/mapping_functions.py/expand_month