filename specification for running as a service

function/db.py

+import os
 import sqlite3
 
+db_file = os.path.join(os.path.dirname(__file__), '..', 'database.db')
+
 
 def get_gui_radiator_data(topic):
     return __storage__().get_gui_radiator_data(topic)
 
 class __storage__(object):
     def __init__(self):
-        self.conn = sqlite3.connect("database.db")
+        self.conn = sqlite3.connect(db_file)
         self.c = self.conn.cursor()
         with self.conn:
             self.c.execute("""CREATE TABLE IF NOT EXISTS gui_radiator (