Python 3 code to extract stock market data from yahoo finance

yahoo_finance.py

from lxml import html  
import requests
from time import sleep
import json
import argparse
from collections import OrderedDict
from time import sleep

def parse(ticker):
	url = "http://finance.yahoo.com/quote/%s?p=%s"%(ticker,ticker)
	response = requests.get(url, verify=False)
	print ("Parsing %s"%(url))
	sleep(4)
	parser = html.fromstring(response.text)
	summary_table = parser.xpath('//div[contains(@data-test,"summary-table")]//tr')
	summary_data = OrderedDict()
	other_details_json_link = "https://query2.finance.yahoo.com/v10/finance/quoteSummary/{0}?formatted=true&lang=en-US&region=US&modules=summaryProfile%2CfinancialData%2CrecommendationTrend%2CupgradeDowngradeHistory%2Cearnings%2CdefaultKeyStatistics%2CcalendarEvents&corsDomain=finance.yahoo.com".format(ticker)
	summary_json_response = requests.get(other_details_json_link)
	try:
		json_loaded_summary =  json.loads(summary_json_response.text)
		y_Target_Est = json_loaded_summary["quoteSummary"]["result"][0]["financialData"]["targetMeanPrice"]['raw']
		earnings_list = json_loaded_summary["quoteSummary"]["result"][0]["calendarEvents"]['earnings']
		eps = json_loaded_summary["quoteSummary"]["result"][0]["defaultKeyStatistics"]["trailingEps"]['raw']
		datelist = []
		for i in earnings_list['earningsDate']:
			datelist.append(i['fmt'])
		earnings_date = ' to '.join(datelist)
		for table_data in summary_table:
			raw_table_key = table_data.xpath('.//td[contains(@class,"C(black)")]//text()')
			raw_table_value = table_data.xpath('.//td[contains(@class,"Ta(end)")]//text()')
			table_key = ''.join(raw_table_key).strip()
			table_value = ''.join(raw_table_value).strip()
			summary_data.update({table_key:table_value})
		summary_data.update({'1y Target Est':y_Target_Est,'EPS (TTM)':eps,'Earnings Date':earnings_date,'ticker':ticker,'url':url})
		return summary_data
	except:
		print ("Failed to parse json response")
		return {"error":"Failed to parse json response"}
		
if __name__=="__main__":
	argparser = argparse.ArgumentParser()
	argparser.add_argument('ticker',help = '')
	args = argparser.parse_args()
	ticker = args.ticker
	print ("Fetching data for %s"%(ticker))
	scraped_data = parse(ticker)
	print ("Writing data to output file")
	with open('%s-summary.json'%(ticker),'w') as fp:
		json.dump(scraped_data,fp,indent = 4)

Any documentation that shows how to construct the query2.yahoo.finance url would be great, can't seem to find any and would love to scrape financial data.

Found this might help others reading this.
https://observablehq.com/@stroked/yahoofinance

TLRY (a cannabis stock) returned 'None' a well. If you're looking for historical data, you can download it for free in a .csv via NASDAQ. Great code though. Thanks!

I try to execute this code but i have the error ,i Don't knwo how to fix it please help me.

Current_position_=0;
PROFIT_EXIT_PRICE_PERCENT = 0.2;
LOSS_EXIT_PRICE_PERCENT = -0.1;
def OnMarketPriceChange( current_price, current_time ):
If Current_position_ == 0 AND ( current_price - price_two_hours_ago ) / current_price >; 10%:
SendBuyOrderAtCurrentPrice();
Current_position_ = Current_position_ + 1;

File "", line 2
If Current_position_ == 0 AND ( current_price - price_two_hours_ago ) / current_price >; 10%:
^
SyntaxError: invalid syntax

Here is the updated code to work with latest structure of Yahoo Finance.

https://gist.github.com/scrapehero-code/6d87e1e1369ee701dcea8880b4b620e9