[PyQt] QWebView crashes

[Gelonida Gmail]

Hi Hans Peter,

Thanks a lot.

Yes I can easily crash with your example.

at least with my versions of Qt / PyQt

So there seems to be something in Facebook's javascript setup, which is
not behaving that nicely within Webkit (or at least some of its versions)


On 04/04/2011 04:14 PM, Hans-Peter Jansen wrote:
> On Monday 04 April 2011, 00:23:59 Hans-Peter Jansen wrote:
>> On Sunday 03 April 2011, 22:49:44 Gelonida Gmail wrote:
>>> Nokia considers this bug not being their problem, but a webkit
>>> issue.
>>>
>>> Therefore I filed a new bug report for webkit.
>>>
>>> https://bugs.webkit.org/show_bug.cgi?id=57729
>>
>> Hi Phil,
>>
>> I was able to simplify the issue even further, and usually just
>> clicking on the homepage link on the login page (after logging in)
>> crashes in the JS core, but now, this code crashes reliable in the
>> webview.show() line over here:
>>
>> import sys
>> import platform
>> import PyQt4.QtGui as QtGui
>> import PyQt4.QtCore as QtCore
>> from PyQt4.QtWebKit import QWebView
>>
>> print sys.platform, platform.release()
>> print QtCore.PYQT_VERSION_STR,QtCore.PYQT_VERSION
>>
>> app = QtGui.QApplication(sys.argv)
>> webview = QWebView()
>> urlstr = "http://facebook.com"
>> webview.setUrl(QtCore.QUrl(urlstr))
>> webview.show()
>> sys.exit(app.exec_())
> 
> It's getting stranger and stranger:
> 
> the crash happens in an interactive python session only. If saved to a 
> file, it's running fine (apart from webkits facebook dysfunction, which 
> prevents a successful login (for me at least with:
> Qt version: 4.7.1
> sip version: 4.12.2-snapshot-ec9807971e08
> PyQt version: snapshot-4.8.4-8641ecc135b3
> Webkit version: 533.3
> Python: 2.6 (linux2, 2.6.31.14-6-desktop)
> )).
> 
> Even more streamlined version:
> 
> import sys
> from PyQt4 import QtCore, QtGui, QtWebKit
> 
> urlstr = "http://facebook.com"
> 
> app = QtGui.QApplication(sys.argv)
> webview = QtWebKit.QWebView()
> webview.setUrl(QtCore.QUrl(urlstr))
> webview.show()
> sys.exit(app.exec_())
> 
> 
> Attached is a slightly improved variant in python and C++, that would be 
> interesting to get output and feedback on various platforms and 
> versions for (preferably of those, that own a valid facebook 
> account..). 
> 
> Login successful?
> Crash after click on homepage link?
> 
> Pete
>