Python library to get stock quotes from Yahoo! Finance
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#!/usr/bin/env python3
# stockquotes - Python module to pull stock quotes from Yahoo! Finance
# Copyright 2020 ScoopGracie. All rights reversed.
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
from bs4 import BeautifulSoup as bs
import requests
import datetime
class StockDoesNotExistError(Exception):
pass
class NetworkError(Exception):
pass
class Stock:
def __init__(self, ticker):
try:
r = requests.get(
"https://finance.yahoo.com/quote/{}/history".format(ticker),
headers={
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3941.4 Safari/537.36"
},
)
except:
raise NetworkError()
if r.status_code is 302:
raise StockDoesNotExistError(ticker)
try:
soup = bs(r.text, features="lxml")
self.symbol = soup.h1.string.split("(")[1].split(")")[0]
self.name = soup.h1.string.split("(")[0].strip()
rows = soup.table.tbody.find_all("tr")
self.historical = []
for i in rows:
row = i.find_all("td")
try:
parsed = {
"date": datetime.datetime.strptime(
row[0].span.string, "%b %d, %Y"
),
"open": float(row[1].span.string.replace(",", "")),
"high": float(row[2].span.string.replace(",", "")),
"low": float(row[3].span.string.replace(",", "")),
"close": float(row[4].span.string.replace(",", "")),
"adjusted_close": float(
row[5].span.string.replace(",", "")
),
"volume": int(row[6].span.string.replace(",", "")),
}
except:
continue
self.historical.append(parsed)
top_data = soup.find(id="quote-header-info")
try:
self.current_price = float(
top_data.findAll("span")[11].string.replace(",", "")
)
raw_change = top_data.findAll("span")[12].string
except IndexError:
self.current_price = float(
top_data.findAll("span")[3].string.replace(",", "")
)
raw_change = top_data.findAll("span")[4].string
except ValueError:
self.current_price = float(
top_data.findAll("span")[9].string.replace(",", "")
)
raw_change = top_data.findAll("span")[10].string
self.increase_dollars = float(
raw_change.split(" ")[0].replace(",", "")
)
self.increase_percent = float(
raw_change.split(" ")[1]
.replace(",", "")
.replace("(", "")
.replace(")", "")
.replace("%", "")
)
except AttributeError as error:
raise StockDoesNotExistError(ticker) from error