def save_time_series_csv(ts, id): utils.serialise_csv(ts, get_csv_filename(id))
def get_bbg_data(): t = datetime.datetime.today() today_date = datetime.datetime(t.year, t.month, t.day) start_date = datetime.datetime(1990, 1, 1) end_date = today_date - datetime.timedelta(1) index_list = ('SPX Index', 'DJI Index', 'RTY Index') equity_set = set() for index in index_list: field = '' if index == 'DJI Index': field = 'INDX_MWEIGHT' else: field = 'INDX_MWEIGHT_HIST' idx_data = data_retrieval.get_time_series( 'download_bbg_timeseries', { 'symbol': index, 'start': start_date, 'end': end_date, 'field' : field }) if idx_data is not None: utils.serialise_csv(idx_data, data_retrieval.get_csv_filename('_'.join((index, 'COMPOSITION')))) for date,equity_list in idx_data: equity_set.update(equity_list) fields = ( 'PX_LAST', 'PX_OFFICIAL_CLOSE', 'PX_OPEN', 'PX_LAST', 'PX_OPEN', 'PX_LOW', 'TOT_RETURN_INDEX_GROSS_DVDS', 'DAY_TO_DAY_TOT_RETURN_GROSS_DVDS', 'EQY_DPS', 'SECURITY_DES', 'TRAIL_12M_GROSS_MARGIN', 'ASSET_TURNOVER', 'BS_SH_OUT', 'TRAIL_12M_CASH_FROM_OPER', 'CF_CASH_FROM_OPER', 'BS_LT_BORROW', 'LT_DEBT_TO_TOT_ASSET', 'LIVE_LT_DEBT_TO_TOTAL_ASSETS', 'CUR_RATIO', 'CASH_RATIO', 'QUICK_RATIO', 'NET_INCOME', 'CF_CASH_FROM_OPER', 'RETURN_ON_ASSET', 'EBIT', 'EBITDA', 'TOT_DEBT_TO_TOT_ASSET', 'TOT_DEBT_TO_COM_EQY', 'BS_TOT_ASSET', 'HISTORICAL_MARKET_CAP') for equity in equity_set: equity = equity + " Equity" for field in fields: equ_data = data_retrieval.get_time_series( 'download_bbg_timeseries', { 'symbol': equity, 'start': start_date, 'end': end_date, 'field' : field }) if equ_data is not None: utils.serialise_csv(equ_data, data_retrieval.get_csv_filename('_'.join((equity, field))))