PyQt Network Manager

test.py

from PyQt4.QtGui import *  
from PyQt4.QtCore import *  
from PyQt4.QtWebKit import *  
from PyQt4.QtNetwork import *
import sys

class Render(QWebPage):  
  def __init__(self, url):  
        self.app = QApplication(sys.argv)  
        QWebPage.__init__(self)  
        self.loadFinished.connect(self._loadFinished)  
        u = QUrl(url)
        
        self.networkAccessManager().authenticationRequired.connect(self.authenticate)

        self.mainFrame().load(u)  
        self.app.exec_()  
  
  def _loadFinished(self, result):  
        self.frame = self.mainFrame()  
        self.app.quit()

  def authenticate(self, reply, authenticator):
        authenticator.setUser('username')
        authenticator.setPassword('password')

r = Render('http://mysite.com')

import pdb; pdb.set_trace()