data_test2.py

# Get the token from the URL
load_dotenv()
secret = os.environ['SECRET']

params = st.experimental_get_query_params()
token = params["token"][0]

# Securely decode the token
try: 
    decoded = jwt.decode(token, secret, algorithms=["HS512"])
    print(decoded)
    if decoded["iss"] != "Xponento":
        raise Exception("Invalid token")
except Exception as e:
    # If this gives an error, the token is invalid
    # DONT LOAD THE PAGE, show an error message
    st.error("Invalid token")
    raise e

companyname = decoded["payload"]["companyname"]
companynreg = decoded["payload"]["companynreg"]
email = decoded["payload"]["email"]

# Connect to the database
cnx = mysql.connector.connect(user=os.environ['USER'], password=os.environ['PASSWORD'], host=os.environ['HOST'], database=os.environ['DATABASE'])
cursor = cnx.cursor()

# Get all financial data for this company
get_financial_data = """
SELECT * FROM fin1 WHERE companyname = %s AND companynreg = %s
"""
cursor.execute(get_financial_data, [companyname, companynreg])
data = cursor.fetchall()

cols = [col[0] for col in cursor.description]


df= pd.DataFrame(data, columns=cols)