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get cookies and crumb for yahoo finance prepost data

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workaround for their security measures implemented recently with the v7 api
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Justin 2023-05-24 17:57:47 +08:00 committed by GitHub
parent a96e9b9657
commit 3ca67b9a4d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 47 additions and 10 deletions
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57
database_caller.py
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@ -139,10 +139,26 @@ def updateStocks(api_key, logf):
#logf.close()
def getCookiesnCrumb():
headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'}
cookie_url = 'https://finance.yahoo.com'
crumb_url = 'https://query1.finance.yahoo.com/v1/test/getcrumb'
session = requests.Session()
session.get(cookie_url, headers=headers)
crumb = session.get(crumb_url, headers=headers).content.decode('utf-8')
with open('session.txt', 'wb') as f:
pickle.dump(session, f)
with open('crumb.txt', 'w') as f:
f.write(crumb)
def updateStocksPrePost(api_key, logf):
try:
f = open('csv/stocks_settings.json', 'r')
all_stocks_settings = json.load(f)
f.close()
@ -156,15 +172,36 @@ def updateStocksPrePost(api_key, logf):
prepost_url += '&fields=regularMarketPreviousClose,regularMarketPrice,preMarketPrice,preMarketChangePercent,regularMarketChangePercent,regularMarketChange,preMarketChange,postMarketPrice,postMarketChange,postMarketChangePercent&region=US&lang=en-US'
headers = {
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36'
}
prepost = requests.get(prepost_url, headers=headers)
headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'}
while True:
try:
with open('session.txt', 'rb') as f:
session = pickle.load(f)
with open('crumb.txt', 'r') as f:
crumb = f.read()
except:
getCookiesnCrumb()
with open('session.txt', 'rb') as f:
session = pickle.load(f)
with open('crumb.txt', 'r') as f:
crumb = f.read()
params = {'crumb': crumb}
prepost = session.get(prepost_url, headers=headers, params=params).json()
if 'Unauthorized' not in str(prepost):
break
else:
getCookiesnCrumb()
time.sleep(2)
# prepost = requests.get(prepost_url, headers=headers)
# if 'Unauthorized' in str(prepost.json()):
# prepost = requests.get(prepost_url.replace('v7','v6'), headers=headers)
if 'Unauthorized' in str(prepost.json()):
prepost = requests.get(prepost_url.replace('v7','v6'), headers=headers)
prepost_data = prepost.json()['quoteResponse']['result']
prepost_data = prepost['quoteResponse']['result']
time_now = datetime.now(pytz.timezone('America/New_York')).strftime("%H:%M EST")
if len(prepost_data) > 0: