def request_stock(symbol):
date = request.args.get("date")
stock = Stock(symbol=symbol, date=date)
stock.fetch_chart()
bars = create_bars(stock)
result = json.dumps(bars)
return result
class DataReplayer(object):
def __init__(self, symbol, date):
self.stock = Stock(symbol=symbol, date=date)
self.bars = []
self.bar_idx = 0
self.stock.fetch_chart()
def calculate_bars(self):
open_prices = self.stock.get_open_prices()
close_prices = self.stock.get_close_prices()
low_prices = self.stock.get_low_prices()
high_prices = self.stock.get_high_prices()
# theoretically these price collections have the same length
lim = len(open_prices)
for i in range(lim):
bar = {
'open': open_prices[i],
'close': close_prices[i],
'low': low_prices[i],
'high': high_prices[i]
}
self.bars.append(bar)
def print_next_bar(self):
lim = len(self.bars)
for i in range(lim):
print(self.bars[self.bar_idx])
self.bar_idx += 1
sleep(1)
def start_replay(self):
self.calculate_bars()
thread = Thread(target=self.print_next_bar)
thread.start()
thread.join()