How to make image button in pyqt

python - how code a Image button in PyQt? - Stack Overflow:

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import sysfrom PyQt4.QtGui import *
class PicButton(QAbstractButton):
    def __init__(self, pixmap, parent=None):
        super(PicButton, self).__init__(parent)
        self.pixmap = pixmap

    def paintEvent(self, event):
        painter = QPainter(self)
        painter.drawPixmap(event.rect(), self.pixmap)

    def sizeHint(self):
        return self.pixmap.size()

app = QApplication(sys.argv)
window = QWidget()
layout = QHBoxLayout(window)

button = PicButton(QPixmap("image.png"))
layout.addWidget(button)

window.show()
sys.exit(app.exec_())

We can use QToolButton