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August 2, 2022 09:37
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Script for scraping Google Finance Markets with Python
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# tutorial blog post: https://serpapi.com/blog/scrape-google-finance-markets-in-python/ | |
import requests | |
import json | |
import re | |
import argparse | |
from parsel import Selector | |
parser = argparse.ArgumentParser(prog="Google Finance Markets Options") | |
parser.add_argument('-i','--indexes', action="store_true") | |
parser.add_argument('-ma','--most-active', action="store_true") | |
parser.add_argument('-g','--gainers', action="store_true") | |
parser.add_argument('-l','--losers', action="store_true") | |
parser.add_argument('-cl','--climate-leaders', action="store_true") | |
parser.add_argument('-cc','--crypto', action="store_true") | |
parser.add_argument('-c','--currency', action="store_true") | |
args = parser.parse_args() | |
def main(): | |
# https://docs.python-requests.org/en/master/user/quickstart/#custom-headers | |
# https://www.whatismybrowser.com/detect/what-is-my-user-agent | |
headers = { | |
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36" | |
} | |
if args.indexes: | |
html = requests.get("https://www.google.com/finance/markets/indexes", headers=headers, timeout=30) | |
return parser(html=html) | |
if args.most_active: | |
html = requests.get("https://www.google.com/finance/markets/most-active", headers=headers, timeout=30) | |
return parser(html=html) | |
if args.gainers: | |
html = requests.get("https://www.google.com/finance/markets/gainers", headers=headers, timeout=30) | |
return parser(html=html) | |
if args.losers: | |
html = requests.get("https://www.google.com/finance/markets/losers", headers=headers, timeout=30) | |
return parser(html=html) | |
if args.climate_leaders: | |
html = requests.get("https://www.google.com/finance/markets/climate-leaders", headers=headers, timeout=30) | |
return parser(html=html) | |
if args.crypto: | |
html = requests.get("https://www.google.com/finance/markets/cryptocurrencies", headers=headers, timeout=30) | |
return parser(html=html) | |
if args.currency: | |
html = requests.get("https://www.google.com/finance/markets/currencies", headers=headers, timeout=30) | |
return parser(html=html) | |
def parser(html): | |
selector = Selector(text=html.text) | |
stock_topic = selector.css(".Mrksgc::text").get().split("on ")[1].replace(" ", "_") | |
data = { | |
f"{stock_topic}_trends": [], | |
f"{stock_topic}_discover_more": [], | |
f"{stock_topic}_news": [] | |
} | |
# news ressults | |
for index, news_results in enumerate(selector.css(".yY3Lee"), start=1): | |
data[f"{stock_topic}_news"].append({ | |
"position": index, | |
"title": news_results.css(".mRjSYb::text").get(), | |
"source": news_results.css(".sfyJob::text").get(), | |
"date": news_results.css(".Adak::text").get(), | |
"image": news_results.css("img::attr(src)").get(), | |
}) | |
# stocks table | |
for index, stock_results in enumerate(selector.css("li a"), start=1): | |
current_percent_change_raw_value = stock_results.css("[jsname=Fe7oBc]::attr(aria-label)").get() | |
current_percent_change = re.search(r"\d+\.\d+%", stock_results.css("[jsname=Fe7oBc]::attr(aria-label)").get()).group() | |
# ./quote/SNAP:NASDAQ -> SNAP:NASDAQ | |
quote = stock_results.attrib["href"].replace("./quote/", "") | |
data[f"{stock_topic}_trends"].append({ | |
"position": index, | |
"title": stock_results.css(".ZvmM7::text").get(), | |
"quote": stock_results.css(".COaKTb::text").get(), | |
# "https://www.google.com/finance/MSFT:NASDAQ" | |
"quote_link": f"https://www.google.com/finance/{quote}", | |
"price_change": stock_results.css(".SEGxAb .P2Luy::text").get(), | |
"percent_price_change": f"+{current_percent_change}" if "Up" in current_percent_change_raw_value else f"-{current_percent_change}" | |
}) | |
# "you may be interested in" at the bottom of the page | |
for index, interested_bottom in enumerate(selector.css(".HDXgAf .tOzDHb"), start=1): | |
current_percent_change_raw_value = interested_bottom.css("[jsname=Fe7oBc]::attr(aria-label)").get() | |
current_percent_change = re.search(r"\d+\.\d+%", interested_bottom.css("[jsname=Fe7oBc]::attr(aria-label)").get()).group() | |
quote = stock_results.attrib["href"].replace("./quote/", "") | |
data[f"{stock_topic}_discover_more"].append({ | |
"position": index, | |
"quote": interested_bottom.css(".COaKTb::text").get(), | |
"quote_link": f"https://www.google.com/finance{quote}", | |
"title": interested_bottom.css(".RwFyvf::text").get(), | |
"price": interested_bottom.css(".YMlKec::text").get(), | |
"percent_price_change": f"+{current_percent_change}" if "Up" in current_percent_change_raw_value else f"-{current_percent_change}" | |
}) | |
return data | |
if __name__ == "__main__": | |
print(json.dumps(main(), indent=2, ensure_ascii=False)) |
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Output: