Code a stopwatch using Python! ⏱
#python #pythontutorial #pythoncourse
00:00:00 intro
00:00:16 pip install PyQt5
00:00:37 imports
00:01:56 class Stopwatch(QWidget)
00:02:28 if _name_
00:03:54 START HERE
00:05:57 method declarations
00:06:55 initUI()
00:09:40 setStyleSheet()
00:12:28 signals and slots
00:13:33 methods definitions
Python PyQt5 Stopwatch
import sys
from PyQt5.QtWidgets import (QApplication, QWidget, QLabel,
QPushButton, QVBoxLayout, QHBoxLayout)
from PyQt5.QtCore import QTimer, QTime, Qt
class Stopwatch(QWidget):
def __init__(self):
super().__init__()
self.time = QTime(0, 0, 0, 0)
self.time_label = QLabel("00:00:00.00", self)
self.start_button = QPushButton("Start", self)
self.stop_button = QPushButton("Stop", self)
self.reset_button = QPushButton("Reset", self)
self.timer = QTimer(self)
self.initUI()
def initUI(self):
self.setWindowTitle("Stopwatch")
vbox = QVBoxLayout()
vbox.addWidget(self.time_label)
self.setLayout(vbox)
self.time_label.setAlignment(Qt.AlignCenter)
hbox = QHBoxLayout()
hbox.addWidget(self.start_button)
hbox.addWidget(self.stop_button)
hbox.addWidget(self.reset_button)
vbox.addLayout(hbox)
self.setStyleSheet("""
QPushButton, QLabel{
padding: 20px;
font-weight: bold;
font-family: calibri;
}
QPushButton{
font-size: 50px;
}
QLabel{
font-size: 120px;
background-color: hsl(200, 100%, 85%);
border-radius: 20px;
}
""")
self.start_button.clicked.connect(self.start)
self.stop_button.clicked.connect(self.stop)
self.reset_button.clicked.connect(self.reset)
self.timer.timeout.connect(self.update_display)
def start(self):
self.timer.start(10)
def stop(self):
self.timer.stop()
def reset(self):
self.timer.stop()
self.time = QTime(0, 0, 0, 0)
self.time_label.setText(self.format_time(self.time))
def format_time(self, time):
hours = time.hour()
minutes = time.minute()
seconds = time.second()
milliseconds = time.msec() // 10
return f"{hours:02}:{minutes:02}:{seconds:02}.{milliseconds:02}"
def update_display(self):
self.time = self.time.addMSecs(10)
self.time_label.setText(self.format_time(self.time))
if __name__ == "__main__":
app = QApplication(sys.argv)
stopwatch = Stopwatch()
stopwatch.show()
sys.exit(app.exec_())
On this page of the site you can watch the video online Code a stopwatch using Python! ⏱ with a duration of hours minute second in good quality, which was uploaded by the user Bro Code 02 August 2024, share the link with friends and acquaintances, this video has already been watched 19,846 times on youtube and it was liked by 396 viewers. Enjoy your viewing!
