PySide QWebView disable context menu

gistfile1.py

# coding: utf-8

import os
import sys
import site
site.addsitedir('/usr/local/lib/python2.7/site-packages')
from PySide import QtCore, QtGui, QtWebKit

class WebView(QtWebKit.QWebView):

    def __init__(self, parent=None):
        QtWebKit.QWebView.__init__(self, parent)

    def contextMenuEvent(self, event):
        # override this method and do nothing.
        pass

app = QtGui.QApplication(sys.argv)
view = WebView()
view.setHtml('hello world')
view.show()
sys.exit(app.exec_())