On Wed May 11 22:41:13 BST 2011, Gelonida G wrote:
> def patch_agent():
> old_userAgentForUrl = QWebPage.userAgentForUrl
> def new_userAgentForUrl(self, url):
> """ for demo purposes I just added logging """
> rslt = old_userAgentForUrl(self, url)
> print "agent is %s" % rslt
> return rslt
> QWebPage.userAgentForUrl = new_userAgentForUrl
[...]
> app = PyQt4.QtGui.QApplication(sys.argv)
> webview = QWebView()
> webview.setHtml("""<a href="http://www.google.com";>Search</a>""")
> webview.show()
> sys.exit(app.exec_())
>
> Somehow it seems, that the my patched method is never called.
>
> What could be the reason?
My intuition is that the monkey-patching will only work for QWebPage
instances created by PyQt. Since the QWebPage instance shown in the QWebView
is created by Qt, you get a regular, unpatched instance instead.
If you want to use your patched QWebPage, call QWebView's setPage() method
with one of your patched instances.
David
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