ogzy

import sys
from PyQt4 import QtGui, Qt, QtCore

class Transparent(QtGui.QWidget):

    def __init__(self):
        QtGui.QWidget.__init__(self)
        self.setAttribute(Qt.Qt.WA_NoSystemBackground)
        self.setAutoFillBackground(True)

        pixmap = QtGui.QPixmap("test.png")
        width = pixmap.width()
        height = pixmap.height()

        self.setWindowTitle("Status")
            self.resize(width, height)

            self.label = QtGui.QLabel(self)
        self.label.setPixmap(QtGui.QPixmap("test.png"))

            self.setMask(pixmap.mask())

        def paintEvent(self,event):
        self.setAttribute(Qt.Qt.WA_NoSystemBackground)

if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    x = Transparent()
    x.show()
    app.exec_()