database_center.py

import firebase_admin
from firebase_admin import credentials
from firebase_admin import db,firestore
import uuid
import json 
import os 
# if not firebase_admin._apps:
#     cred = credentials.Certificate("streamlitapp-13c03-firebase-adminsdk-fbsvc-0a346d6d6b.json")
#     firebase_admin.initialize_app(cred)
# db=firestore.client()   

#db_transaction=db.collection('test_transactions')
cred_json=os.getenv('Firebase_Credential')
if not firebase_admin._apps:
    cred = credentials.Certificate(json.loads(cred_json))
    firebase_admin.initialize_app(cred)
db=firestore.client()   

db_transaction=db.collection('test_transactions')