Get Price History

Get_Price_History.py

    def get_price_history(self,symbol,startDate=None,endDate=None):
        access_token = self.get_access_token().json()
        access_token = access_token['access_token']
        headers={'Content-Type': 'application/x-www-form-urlencoded',
         'Authorization': 'Bearer {}'.format(access_token)}
        data = { 'periodType': 'year','frequencyType':'daily',
        'startDate':startDate,'endDate':endDate}
        authReply = requests.get('https://api.tdameritrade.com/v1/marketdata/'+symbol+'/pricehistory',
        headers=headers, params=data)
        # print(authReply.json())
        candles = authReply.json()
        df = json_normalize(authReply.json())
        df = pd.DataFrame(candles['candles'])
        return df