Exemple #1
0
def create_stock(quote, max_iterations, start, end, stocks, index):
    '''
    Create a stock from a quote
    '''
    if (quote['StockExchange'] == None):
        return
    success = False
    for i in range(max_iterations):
        if not success:
            url = historical_url(quote['symbol'], start, end)
            data = request_json(url)

            if 'error' in data and i == (max_iterations-1):
                raise Exception('Error in call to historical api',
                                data)
            elif 'error' not in data:
                success = True

    quotes = data['query']['results']['quote']
    close_prices = [float(q['Close']) for q in quotes]
    stock = Stock(quote, close_prices)
    stock.index = index
    lock.acquire()
    stocks.append(stock)
    lock.release()
Exemple #2
0
 def test_yahoo_historical_url(self):
     """
     Test to create url to get historical prices of a single stock
     """
     yahoo_test_url = (
         r"https://query.yahooapis.com/v1/public/yql?q=sele"
         r"ct%20*%20from%20yahoo.finance.historicaldata%20w"
         r"here%20symbol%20%3D%20%22YHOO%22%20and%20startDa"
         r"te%20%3D%20%222009-09-11%22%20and%20endDate%20%3"
         r"D%20%222010-03-07%22&format=json&diagnostics=tru"
         r"e&env=store%3A%2F%2Fdatatables.org%2Falltableswi"
         r"thkeys&callback="
     )
     produced = historical_url("YHOO", "2009-09-11", "2010-03-07")
     self.assertEqual(yahoo_test_url, produced)