Comment créer une connection lors d'une selection dans un combobox ?

Bonsoir,

Dans un petit programme de test, lorsque la 2eme fenêtre s'ouvre je peux sélectionner un item dans le combobox.
Comment connecter cet évènement à une action (un print par exemple).
Je joins à ma question les 3 fichiers :
Merci de votre aide.

Fic debut.py

Code:

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import sys
from PyQt5.QtWidgets import QApplication
from main import Main
 
 
app = QApplication(sys.argv)
uMain = Main()
 
sys.exit(app.exec())

fic main.py

Code:

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from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QMainWindow, QAction, qApp, QApplication
from PyQt5.QtGui import QIcon
#from ImageViewerUI import Ui_MainWindow
from VisuCli import Ui_Form_visucli
import sys
import sqlite3
 
 
class Main(QMainWindow):
 
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
 
        self.initUI()
 
    def initUI(self):
        self.setGeometry(0, 0, 500, 500)
 
        ouvrirAction = QAction('&Ouvrir Visu Artistes', self)
        ouvrirAction.setShortcut('Ctrl+O')
        ouvrirAction.setStatusTip('Ouvrir Visu Artistes')
        ouvrirAction.triggered.connect(self.on_open)
 
        fermerAction = QAction('&Fermer Visu Artistes', self)
        fermerAction.setShortcut('Ctrl+F')
        fermerAction.setStatusTip('Fermer Visu Artistes')
        fermerAction.triggered.connect(self.on_close)
 
        self.statusBar()
        # QMainWindow.menuBar()
 
        menubar = self.menuBar()
        fileMenu = menubar.addMenu('&File')
        fileMenu.addAction(ouvrirAction)
        fileMenu.addAction(fermerAction)
 
        self.setWindowTitle('PyQt5 Fenêtre principale')
#       self.show() #Affiche la fenêtre Main
        self.init_dialog()
        self.show() #Affiche la fenêtre Main (en fait la classe Main
 
 
 
    def init_dialog(self):
        self.form = QtWidgets.QDialog()
        self.ui = Ui_Form_visucli()
        self.ui.setupUi(self.form)
 
        #self.ui.LineEd_nom.setText('coucou')
        #self.ui.label_nom.setText('Nom')
        self.form.setWindowModality(QtCore.Qt.ApplicationModal)
#        self.form.finished.connect(self.on_close) #Se déclenche lorsque la fenêtre VisuCli se ferme
#        self.form.open().connect(self.Remplir_ComboBox)
        self.Remplir_ComboBox()
 
    def on_open(self):
        print ("Ouverture de VisuArtiste")
        self.form.open()
 
 
    def Remplir_ComboBox(self):
        print ("Remplissage")
        self.ui.cBox_nomArtiste.clear()
        connexion = sqlite3.connect("Z:/Cinema.db")
        curseur = connexion.cursor()  # Récupération d'un curseur
        donnee = '"Alba"'
        cmdsql = "SELECT art_nom, art_prenom  FROM Artistes"
        print(cmdsql)
        curseur.execute(cmdsql)
        result = curseur.fetchall()
        nblig = len(result)
        print(nblig)
        i = 1
        while i < nblig:
            Prenom = result[i][0]
            nom = result[i][1]
            nomPrenom = Prenom + " " +  nom
            self.ui.cBox_nomArtiste.addItem(nomPrenom)
            i = i + 1
        connexion.close()  #Déconnexion
 
    def on_close(self):
        print ("Fermeture du programme")
        quit()
 
# ----------------------------------------------------------------------------------------------------------------------
 
if __name__ == '__main__':
 
    app = QApplication(sys.argv)
    ex = Main()
    ret = app.exec_()
    sys.exit(ret)

Fic VisuCli.py

Code:

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# -*- coding: utf-8 -*-
 
# Form implementation generated from reading ui file 'VisuCli.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!
 
 
from PyQt5 import QtCore, QtGui, QtWidgets
 
 
class Ui_Form_visucli(object):
    def setupUi(self, Form_visucli):
        Form_visucli.setObjectName("Form_visucli")
        Form_visucli.resize(1061, 294)
        font = QtGui.QFont()
        font.setPointSize(10)
        font.setBold(True)
        font.setWeight(75)
        Form_visucli.setFont(font)
        self.cBox_nomArtiste = QtWidgets.QComboBox(Form_visucli)
        self.cBox_nomArtiste.setGeometry(QtCore.QRect(10, 50, 161, 21))
        font = QtGui.QFont()
        font.setPointSize(10)
        font.setBold(True)
        font.setWeight(75)
        self.cBox_nomArtiste.setFont(font)
        self.cBox_nomArtiste.setObjectName("cBox_nomArtiste")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.cBox_nomArtiste.addItem("")
        self.label_nom = QtWidgets.QLabel(Form_visucli)
        self.label_nom.setGeometry(QtCore.QRect(250, 60, 71, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setWeight(75)
        self.label_nom.setFont(font)
        self.label_nom.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
        self.label_nom.setObjectName("label_nom")
        self.label_prenom = QtWidgets.QLabel(Form_visucli)
        self.label_prenom.setGeometry(QtCore.QRect(240, 90, 81, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setWeight(75)
        self.label_prenom.setFont(font)
        self.label_prenom.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
        self.label_prenom.setObjectName("label_prenom")
        self.label_adresse = QtWidgets.QLabel(Form_visucli)
        self.label_adresse.setGeometry(QtCore.QRect(230, 120, 91, 21))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setWeight(75)
        self.label_adresse.setFont(font)
        self.label_adresse.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
        self.label_adresse.setObjectName("label_adresse")
        self.label_cdp = QtWidgets.QLabel(Form_visucli)
        self.label_cdp.setGeometry(QtCore.QRect(220, 150, 101, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setWeight(75)
        self.label_cdp.setFont(font)
        self.label_cdp.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
        self.label_cdp.setObjectName("label_cdp")
        self.label_ville = QtWidgets.QLabel(Form_visucli)
        self.label_ville.setGeometry(QtCore.QRect(210, 180, 111, 20))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setWeight(75)
        self.label_ville.setFont(font)
        self.label_ville.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
        self.label_ville.setObjectName("label_ville")
        self.LineEd_nom = QtWidgets.QLineEdit(Form_visucli)
        self.LineEd_nom.setGeometry(QtCore.QRect(360, 60, 113, 20))
        self.LineEd_nom.setObjectName("LineEd_nom")
        self.LineEd_Prenom = QtWidgets.QLineEdit(Form_visucli)
        self.LineEd_Prenom.setGeometry(QtCore.QRect(360, 90, 113, 20))
        self.LineEd_Prenom.setObjectName("LineEd_Prenom")
        self.LineEd_adresse = QtWidgets.QLineEdit(Form_visucli)
        self.LineEd_adresse.setGeometry(QtCore.QRect(360, 120, 113, 20))
        self.LineEd_adresse.setObjectName("LineEd_adresse")
        self.LineEd_ville = QtWidgets.QLineEdit(Form_visucli)
        self.LineEd_ville.setGeometry(QtCore.QRect(360, 180, 113, 20))
        self.LineEd_ville.setObjectName("LineEd_ville")
        self.tableWidget = QtWidgets.QTableWidget(Form_visucli)
        self.tableWidget.setGeometry(QtCore.QRect(580, 60, 321, 141))
        self.tableWidget.setObjectName("tableWidget")
        self.tableWidget.setColumnCount(3)
        self.tableWidget.setRowCount(0)
        item = QtWidgets.QTableWidgetItem()
        self.tableWidget.setHorizontalHeaderItem(0, item)
        item = QtWidgets.QTableWidgetItem()
        self.tableWidget.setHorizontalHeaderItem(1, item)
        item = QtWidgets.QTableWidgetItem()
        self.tableWidget.setHorizontalHeaderItem(2, item)
        self.cBox_genre = QtWidgets.QComboBox(Form_visucli)
        self.cBox_genre.setGeometry(QtCore.QRect(360, 150, 111, 21))
        font = QtGui.QFont()
        font.setPointSize(10)
        font.setBold(True)
        font.setWeight(75)
        self.cBox_genre.setFont(font)
        self.cBox_genre.setObjectName("cBox_genre")
        self.cBox_genre.addItem("")
        self.cBox_genre.addItem("")
 
        self.retranslateUi(Form_visucli)
        QtCore.QMetaObject.connectSlotsByName(Form_visucli)
 
    def retranslateUi(self, Form_visucli):
        _translate = QtCore.QCoreApplication.translate
        self.cBox_nomArtiste.setItemText(0, _translate("Form_visucli", "Charlise Theron"))
        self.cBox_nomArtiste.setItemText(1, _translate("Form_visucli", "Scarlett Johansson"))
        self.cBox_nomArtiste.setItemText(2, _translate("Form_visucli", "Megan Fox"))
        self.cBox_nomArtiste.setItemText(3, _translate("Form_visucli", "Jessica Alba"))
        self.cBox_nomArtiste.setItemText(4, _translate("Form_visucli", "Michelle Pfeiffer"))
        self.cBox_nomArtiste.setItemText(5, _translate("Form_visucli", "Cameron Diaz"))
        self.cBox_nomArtiste.setItemText(6, _translate("Form_visucli", "Jean Seberg"))
        self.cBox_nomArtiste.setItemText(7, _translate("Form_visucli", "Natalie Portman"))
        self.label_nom.setText(_translate("Form_visucli", "Nom"))
        self.label_prenom.setText(_translate("Form_visucli", "Prénom"))
        self.label_adresse.setText(_translate("Form_visucli", "Age"))
        self.label_cdp.setText(_translate("Form_visucli", "Genre"))
        self.label_ville.setText(_translate("Form_visucli", "Nationalité"))
        item = self.tableWidget.horizontalHeaderItem(0)
        item.setText(_translate("Form_visucli", "Films"))
        item = self.tableWidget.horizontalHeaderItem(1)
        item.setText(_translate("Form_visucli", "Genre"))
        item = self.tableWidget.horizontalHeaderItem(2)
        item.setText(_translate("Form_visucli", "Date sortie"))
        self.cBox_genre.setCurrentText(_translate("Form_visucli", "Homme"))
        self.cBox_genre.setItemText(0, _translate("Form_visucli", "Homme"))
        self.cBox_genre.setItemText(1, _translate("Form_visucli", "Femme"))