Basic stock worth via Yahoo API

yahoo-stock.py

import mechanicalsoup
import argparse


def get_ticker():
    """
    Grab user supplied arguments using the
    argparse library.
    """
    parser = argparse.ArgumentParser(
        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
        description="%(prog)s is a tool for checking \
      the current worth of a stock via the Yahoo Finance \
      API."
    )
    parser.add_argument('-t',
                        '--ticker',
                        dest='ticker',
                        required=True,
                        help='Ticker name on the stock exchange',
                        type=str)
    args = parser.parse_args()
    web_page = soup_cook(args.ticker)
    return web_page


def soup_cook(ticker):
    stock_base_url = "http://finance.yahoo.com/q?s="
    web_browser = mechanicalsoup.Browser()
    web_page = web_browser.get(f"{stock_base_url}{ticker}")
    return web_page


def stock_server(web_page):
    results = {}
    results['ticker_price'] = web_page.soup.find_all(
        "span", attrs={"data-reactid": "21"})[1].text
    results['ticker_diff'] = web_page.soup.find_all(
        "span", attrs={"data-reactid": "23"})[0].text
    results['ticker_time'] = web_page.soup.find_all(
        "span", attrs={"data-reactid": "25"})[2].text
    return results


if __name__ == "__main__":
    ticker = get_ticker()
    stock_result = stock_server(ticker)
    print(f"[Current Value] {stock_result['ticker_price']}")
    print(f"[Daily Diff] {stock_result['ticker_diff']}")
    print(f"[As Of] {stock_result['ticker_time']}")