database connection

main.py

@@ -9,7 +9,7 @@ from lib.DB.BusinessModel import BusinessModel
 import rc_pyqcrm
 import rc_qml
 import sqlite3
-import lib.DB.DbManager
+from lib.DB.DbManager import DbManager
 
 # [pyqcrm]
 # program-name=""
@@ -43,11 +43,13 @@ if __name__ == "__main__":
 
     config = ConfigLoader()
 
-    con = DbManager()
-    bm = BusinessModel(con)
 
     if not config.getConfig():
         bad_config = True
+        bm = False
+    else:
+        con = DbManager().connectDB(config.getConfig()['database'])
+        bm = BusinessModel(con)
 
 
     engine.rootContext().setContextProperty("bm", bm)