Python affichage heure dynamique en continu

# importing required librarie
import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtWidgets import QVBoxLayout, QLabel
from PyQt5.QtGui import QFont
from PyQt5.QtCore import QTimer, QTime, Qt
  
  
class Window(QWidget):
  
    def __init__(self):
        super().__init__()
  
        # setting geometry of main window
        self.setGeometry(100, 100, 800, 400)
  
        # creating a vertical layout
        layout = QVBoxLayout()
  
        # creating font object
        font = QFont('Arial', 120, QFont.Bold)
  
        # creating a label object
        self.label = QLabel()
  
        # setting centre alignment to the label
        self.label.setAlignment(Qt.AlignCenter)
  
        # setting font to the label
        self.label.setFont(font)
  
        # adding label to the layout
        layout.addWidget(self.label)
  
        # setting the layout to main window
        self.setLayout(layout)
  
        # creating a timer object
        timer = QTimer(self)
  
        # adding action to timer
        timer.timeout.connect(self.showTime)
  
        # update the timer every second
        timer.start(1000)
  
    # method called by timer
    def showTime(self):
  
        # getting current time
        current_time = QTime.currentTime()
  
        # converting QTime object to string
        label_time = current_time.toString('hh:mm:ss')
  
        # showing it to the label
        self.label.setText(label_time)
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# showing all the widgets
window.show()
  
# start the app
App.exit(App.exec_())

• timer

  permet de lever un événement toutes les secondes ; celui-ci déclenche grâce à

  connect

  la méthode

  showTime

  ;
• la méthode

  showTime

  corrige l'affichage ;
• le programme principale ne faut que créer et lance l'application.

from datetime import datetime
import time

from PyQt5.uic import loadUi
from PyQt5.QtWidgets import QApplication
app=QApplication([])
win=loadUi('time.ui')
win.show()
now = datetime.now()
t2 = now.strftime("%H:%M:%S")
win.t1.setText(t2)

t1

Label