Flask with TradingView

Question

I have a probelm where I do not know how to fix this error.

I am programming a small app, that should manage the webook alert from tradingview.com with flask. But i get always the same error:

raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

the server error ist like this

500 INTERNAL SERVER ERROR

the small script is this:

import json
from flask import Flask, request

app = Flask(__name__)

@app.route("/Webhook", methods=["POST"])

def Webhook():
   data = json.loads(request.data)
   print(data["Price"])
   return{
       "code": "success"
   }


if __name__ == '__main__':
   app.run(debug=True)

something is wrong with this line:

data = json.loads(request.data)

but what is also weird: When i send a webhook signal from this script, everything works fine:

import requests
import json

webhook_url = "https://NaN(Private).ngrok.io/Webhook"

data = {"Price": "135000", "Side": "Buy"}

r = requests.post(webhook_url, data=json.dumps(data), headers={"Content-Type":"application/json"})

I also use ngrok.io for hosting a public IP

Flask with TradingView

0 Answers