def _get_from_yahoo(self, date_time, failed_tries=0):
"""Fetch close price of instrument on given date from yahoo"""
if failed_tries >= config.getint("price_fetch_max_allowed_tries"):
log.warning(
"Refusing to fetch {} {} because of {} previous failed attempt. Returning 0.001"
.format(self.instrument.symbol_yahoo, date_time, failed_tries))
return 0.001
log.debug("{}: Fetching {}".format(self.instrument.symbol_yahoo,
date_time))
try:
data = Fetcher(self.instrument.symbol_yahoo,
[date_time.year, date_time.month, date_time.day])
except UnboundLocalError:
log.warning("Failed to fetch price: {} {}".format(
self.instrument.symbol_yahoo, date_time))
return self.get(date_time - timedelta(days=1),
failed_tries=failed_tries + 1).as_float
try:
price_as_float = data.getDatePrice().values[0][1]
except IndexError:
log.warning("Failed to fetch price: {} {}".format(
self.instrument.symbol_yahoo, date_time))
price_as_float = self.get(date_time - timedelta(days=1),
failed_tries=failed_tries + 1).as_float
self._write_to_database(price_as_float, date_time)
return price_as_float
def run_Fetcher(stock_name, start, end, cycle):
#print(stock_name)
AAPL = Fetcher(stock_name, start, end, cycle)
date_close = AAPL.getDatePrice()
close = date_close.ix[:, [1]]
summ = 0
ar = np.empty
for i in range(len(close)):
summ += close.ix[i][0]
ar = np.append(ar, close.ix[i][0])
ar = ar[1:]
return ar
