PyQt4 Does Not Redirect Me To The Next Page

The code below works fine except one thing, it does not follow the sign-up link. However if I go to my actual browser and in console type: document.getElementById('link-signup').cl

Solution 1:

I think the click() failure may have something to do with how the google page uses javascript to transform the original A element after it loads. If you wrap your evaluateJavaScript() call in an alert(), you can see that the click method is null

link.evaluateJavaScript('this.click')

It is not a 100% cross-browser support to be able to call "click" on a link. It would need to be a button.

You have a couple alternatives...

(#1) Just navigate to the href of the link

def _loadComplete(self):
    page = self.page()
    doc = page.currentFrame().documentElement()
    link = doc.findFirst('#link-signup')
    if link and not link.isNull():
        self.load(QUrl.fromEncoded(link.attribute('href').toAscii()))

(#2) Simulate a click on the web view

def _loadComplete(self):
    page = self.page()
    doc = page.currentFrame().documentElement()
    link = doc.findFirst('#link-signup')
    if link and not link.isNull():
        pos = link.geometry().center()
        self._doMouseClick(page, pos)
    else:
        print "Link not found"

@staticmethod
def _doMouseClick(obj, pos):
    # mouse down
    evt = QMouseEvent(QEvent.MouseButtonPress, pos, 
                            Qt.LeftButton, Qt.LeftButton, Qt.NoModifier)
    QApplication.sendEvent(obj, evt)
    # mouse up
    evt = QMouseEvent(QEvent.MouseButtonRelease, pos, 
                            Qt.LeftButton, Qt.LeftButton, Qt.NoModifier)
    QApplication.sendEvent(obj, evt)

(#3) Make the link clickable via javascript

def _loadComplete(self):
    page = self.page()
    doc = page.currentFrame().documentElement()
    link = doc.findFirst('#link-signup')
    if link and not link.isNull():
        link.evaluateJavaScript("""
            var e = document.createEvent('MouseEvents');
            e.initEvent('click', true, true);
            this.dispatchEvent(e);  
        """)