from PyQt4 import QtCore, QtGui
import sys

class MyTable(object):
def TableUi(self, Dialog):
Dialog.setObjectName("Dialog")
Dialog.resize(343, 179)

self.buttonBox = QtGui.QDialogButtonBox(Dialog)
self.buttonBox.setGeometry(QtCore.QRect(130, 140, 91, 32))
self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
self.buttonBox.setStandardButtons(QtGui.QDialogButtonBox.Cancel|QtGui.QDialogButtonBox.Ok)
self.buttonBox.setObjectName("buttonBox")

self.tableWidget = QtGui.QTableWidget(Dialog)
self.tableWidget.setGeometry(QtCore.QRect(10, 10, 321, 121))
self.tableWidget.setStyleSheet("selection-color: rgb(255, 0, 127);\n"
"selection-background-color: rgb(85, 255, 127);")
self.tableWidget.setRowCount(3)
self.tableWidget.setColumnCount(3)
self.tableWidget.setObjectName("tableWidget")

QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL("accepted()"), Dialog.accept)
QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL("rejected()"), Dialog.reject)

if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
Dialog = QtGui.QDialog()
ui = MyTable()
ui.TableUi(Dialog)
Dialog.show()
sys.exit(app.exec_())