Python - Capturar una web en imagen jpg o png

import sys

import time

import os

from PyQt4.QtCore import *

from PyQt4.QtGui import *

from PyQt4.QtWebKit import *

width= int(530)

height=int(1060)

class Screenshot(QWebView):

    def __init__(self):

        self.app = QApplication(sys.argv)

        QWebView.__init__(self)

        self._loaded = False

        self.loadFinished.connect(self._loadFinished)

    def capture(self, url, output_file):

        self.load(QUrl(url))

        self.wait_load()

        time.sleep(2)

        # set to webpage size

        frame = self.page().mainFrame()

        self.page().setViewportSize(QSize(width, height,))

        # render image

        image = QImage(self.page().viewportSize(), QImage.Format_ARGB32)

        painter = QPainter(image)

        frame.render(painter)

        painter.end()

        print ('Guardada'), output_file

        image.save(output_file)

    def wait_load(self, delay=0):

        # process app events until page loaded

        while not self._loaded:

            self.app.processEvents()

            time.sleep(delay)

        self._loaded = False

    def _loadFinished(self, result):

        self._loaded = True

filename = "capture"

s = Screenshot()

s.capture('http://www.filmaffinity.com/es/main.html', filename+(time.strftime("-%H-%M-%S"))+".png")