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fix: resolve sign-in authentication failure #83

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fix: resolve sign-in authentication failure #83

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47 changes: 40 additions & 7 deletions tvDatafeed/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,15 @@
import random
import re
import string
import time
import pandas as pd
from websocket import create_connection
import requests
import json

logger = logging.getLogger(__name__)

_TV_USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36"


class Interval(enum.Enum):
in_1_minute = "1"
Expand All @@ -33,7 +35,11 @@ class TvDatafeed:
__sign_in_url = 'https://www.tradingview.com/accounts/signin/'
__search_url = 'https://symbol-search.tradingview.com/symbol_search/?text={}&hl=1&exchange={}&lang=en&type=&domain=production'
__ws_headers = json.dumps({"Origin": "https://data.tradingview.com"})
__signin_headers = {'Referer': 'https://www.tradingview.com'}
__signin_headers = {
'Referer': 'https://www.tradingview.com',
'Origin': 'https://www.tradingview.com',
'Content-Type': 'application/x-www-form-urlencoded',
}
__ws_timeout = 5

def __init__(
Expand Down Expand Up @@ -64,19 +70,46 @@ def __init__(

def __auth(self, username, password):

if (username is None or password is None):
if username is None or password is None:
token = None

else:
data = {"username": username,
"password": password,
"remember": "on"}
try:
response = requests.post(
url=self.__sign_in_url, data=data, headers=self.__signin_headers)
token = response.json()['user']['auth_token']
# Use a session with a proper User-Agent so TradingView
# does not reject us as bot traffic / rate-limit us.
session = requests.Session()
session.headers.update({"User-Agent": _TV_USER_AGENT})

# Visit the homepage first to pick up any cookies /
# session identifiers that TradingView expects.
session.get("https://www.tradingview.com/")

response = session.post(
url=self.__sign_in_url,
data=data,
headers=self.__signin_headers,
)

resp_json = response.json()

# If rate-limited, wait briefly and retry once.
if resp_json.get("code") == "rate_limit":
logger.warning("rate limited, retrying in 2 s …")
time.sleep(2)
response = session.post(
url=self.__sign_in_url,
data=data,
headers=self.__signin_headers,
)
resp_json = response.json()

token = resp_json['user']['auth_token']

except Exception as e:
logger.error('error while signin')
logger.error(f'error while signin: {e}')
token = None

return token
Expand Down