class Downloader(QDialog):
def __init__(self):
QDialog.__init__(self)
layout = QVBoxLayout()
self.url = QLineEdit()
self.url.setPlaceholderText("URL")
self.save_location = QLineEdit("File save location")
self.progressbar = QProgressBar()
download = QPushButton("Download")
self.progressbar.setValue(0)
self.progressbar.setAlignment(Qt.AlignHCenter)
layout.addWidget(self.url)
layout.addWidget(self.save_location)
layout.addWidget(self.progressbar)
layout.addWidget(download)
self.setLayout(layout)
self.setWindowTitle("Python Downloader using PyQt5")
self.setFocus()
download.clicked.connect(self.download)
def download(self):
url = self.url.text()
save_location = self.save_location.text()
urllib.request.urlretrieve(url, save_location, self.report)
def report(self, blocknum, blocksize, totalsize):
print(blocknum, blocksize, totalsize)
readsofar = blocknum * blocksize
if totalsize > 0:
percent = readsofar * 100 / totalsize
print(percent)
self.progressbar.setValue(int(percent))
imgDir = os.path.join(os.path.dirname(os.path.abspath(__file__)),
'img')
### -- style stuff
spmtLogo_file = os.path.join(imgDir, 'splashscreen.png')
labelstyle = "QLabel { font-size: 14px; color: purple; font-style: italic; text-align: center;}"
barStyle = "QProgressBar::chunk {background: QLinearGradient( x1: 0, y1: 0, x2: 1, y2: 0,stop: 0 #372f43,stop: 0.6 #5c4c7a, stop: 0.8 #663399);border-bottom-right-radius: 7px;border-bottom-left-radius: 7px;border-top: 2px solid #8A2BE2;}"
splash_pix = QPixmap(spmtLogo_file)
splash = QSplashScreen(splash_pix, Qt.WindowStaysOnTopHint)
progressBar = QProgressBar(splash)
progressBar.setGeometry(0,
splash_pix.height() - 13, splash_pix.width(), 13)
progressBar.setStyleSheet(barStyle)
progressBar.setAlignment(Qt.AlignRight)
label = QLabel(splash)
label.setStyleSheet(labelstyle)
label.setGeometry((splash_pix.width() - 500) / 2,
splash_pix.height() - 40, 500, 20)
label.setAlignment(Qt.AlignCenter)
progressText = "loading..."
label.setText(progressText)
splash.show()
for i in range(0, 100):
progressBar.setValue(i)
updateSplash(label, i)
