def _prices(cls, local_dir, ticker,dud) :
filename = '{}/{}.pkl'.format(local_dir,ticker)
reader = EXTRACT.instance().reader
prices = reader.extract_from_yahoo(ticker)
if prices is None :
dud.append(ticker)
return dud
STOCK_TIMESERIES.save(filename, ticker, prices)
return dud
def save(cls, local_dir, ticker, dud=None):
if dud is None:
dud = []
data = cls.read(ticker)
if data is None:
dud.append(ticker)
return dud
filename = '{}/{}.pkl'.format(local_dir, ticker)
STOCK_TIMESERIES.save(filename, ticker, data)
return dud
def save(cls, local_dir, ticker, dud):
filename = '{}/{}.pkl'.format(local_dir, ticker)
if cls.reader is None:
cls.reader = STOCK_TIMESERIES.init()
prices = cls.reader.extract_from_yahoo(ticker)
if prices is None:
dud.append(ticker)
return dud
STOCK_TIMESERIES.save(filename, ticker, prices)
return dud
def _prices(cls, wait_on_failure, local_dir, ticker, dud):
if dud is None:
dud = []
filename = '{}/{}.pkl'.format(local_dir, ticker)
reader = STOCK_TIMESERIES.init()
prices = reader.extract_from_yahoo(ticker)
if prices is None:
dud.append(ticker)
time.sleep(wait_on_failure)
return dud
STOCK_TIMESERIES.save(filename, ticker, prices)
del prices
return dud
def main(local, *stock_list):
logging.info(stock_list)
reader = STOCK_TIMESERIES.init()
for stock in stock_list:
filename = '{}/historical_prices/{}.pkl'.format(local, stock)
ret = reader.extract_from_yahoo(stock)
logging.debug(ret.tail(5))
STOCK_TIMESERIES.save(filename, stock, ret)
if len(stock_list) > 0: return
nasdaq = NASDAQ.init()
for stock in nasdaq():
filename = '{}/historical_prices/{}.pkl'.format(local, stock)
ret = reader.extract_from_yahoo(stock)
STOCK_TIMESERIES.save(filename, stock, ret)