HYTOS

        self.listView_2 = QtWidgets.QListView(self.Symbol)

        self.listView_2.setObjectName("listView_2")

        self.verticalLayout_2.addWidget(self.listView_2)

# coding: utf-8

import os

from PyQt5.QtCore import *

from PyQt5.QtGui import *

from PyQt5.QtWidgets import *

import sqlite3

import Configuration_UI

#DB_NAME = "db/DTI_PID_test.db"

DB_NAME = os.path.dirname(os.path.realpath(__file__)) + "\\db\\DTI_PID.db"

class QConfigurationDialog(QDialog):

    def __init__(self, parent):

        QDialog.__init__(self, parent)

        self.ui = Configuration_UI.Ui_ConfigurationDialog()

        self.ui.setupUi(self)

        self.isAccepted = False

        try:

            # Creates or opens a file called mydb with a SQLite3 DB

            db = sqlite3.connect(DB_NAME)

            # Get a cursor object

            cursor = db.cursor()

            sql = "select * from configuration where section='Sliding Window'"

            cursor.execute(sql)

            rows = cursor.fetchall()

            for row in rows:

                if row[1] == 'Width':

                    self.ui.spinBoxWidth.setValue(int(row[2]))

                elif row[1] == 'Height':

                    self.ui.spinBoxHeight.setValue(int(row[2]))

        # Catch the exception

        except Exception as e:

            # Roll back any change if something goes wrong

            db.rollback()

            raise e

        finally:

            # Close the db connection

            db.close()

    def accept(self):

        try:

            self.isAccepted = True

            # Creates or opens a file called mydb with a SQLite3 DB

            db = sqlite3.connect(DB_NAME)

            # Get a cursor object

            cursor = db.cursor()

            sql = "update configuration set value={} where section='Sliding Window' and key='Width'".format(self.ui.spinBoxWidth.value())

            cursor.execute(sql)

            sql = "update configuration set value={} where section='Sliding Window' and key='Height'".format(self.ui.spinBoxHeight.value())

            cursor.execute(sql)

            db.commit()

        except Exception as e:

            db.rollback()

        finally:

            db.close()

        QDialog.accept(self)

            <widget class="QListView" name="listView_2"/>

           </item>

           <item>