import ssl
import time
from urllib.request import Request, urlopen
from bs4 import BeautifulSoup
# For ignoring SSL certificate errors
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
__cache__ = {}
def busca_preco_atual(ticker):
if ticker in __cache__:
return __cache__[ticker]
try:
ticker_sa = ticker + '.SA'
url = "http://finance.yahoo.com/quote/%s?p=%s" % (ticker_sa, ticker_sa)
# Making the website believe that you are accessing it using a Mozilla browser
req = Request(url, headers={'User-Agent': 'Mozilla/5.0'})
webpage = urlopen(req).read()
time.sleep(1)
soup = BeautifulSoup(webpage, 'html.parser')
# html = soup.prettify('utf-8')
for span in soup.findAll('span', attrs={'class': 'Trsdu(0.3s) Trsdu(0.3s) Fw(b) Fz(36px) Mb(-4px) D(b)'}):
preco_atual = float(span.text.replace(',', '').strip())
__cache__[ticker] = preco_atual
return preco_atual
raise Exception('Preco ticker nao encontrado ' + ticker)
except Exception as ex:
raise Exception('Preco ticker nao encontrado ' + ticker, ex)
