On Sat, Jun 23, 2012 at 10:26:08PM +0100, Phil Thompson wrote: > On Sat, 23 Jun 2012 21:53:48 +0530, Kovid Goyal <ko...@kovidgoyal.net> > wrote: > > On Sat, Jun 23, 2012 at 01:36:42PM +0100, Phil Thompson wrote: > >> Hmm, hardly anything has changed in PyQt4. Can you try using the... > >> > >> qpy/QtCore/qpycore_pyqtproxy.cpp > >> > >> ...from 4.9.1 in 4.9.2? > > > > Still hangs. > > I'm struggling to think what might have changed. Do you know the line at > which it hangs? Does it look like a deadlock?
This line: http://bazaar.launchpad.net/~kovid/calibre/trunk/view/head:/src/calibre/gui2/viewer/main.py#L367 I figured out the problem. It is a conversion from QByteArray to bytearray. The following code causes a hang: bytearray(self.saveState(1)) This does not: self.saveState(1) Attached test case. Kovid. -- _____________________________________ Dr. Kovid Goyal http://www.kovidgoyal.net http://calibre-ebook.com _____________________________________
#!/usr/bin/env python
# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:fdm=marker:ai
from __future__ import (unicode_literals, division, absolute_import,
print_function)
__license__ = 'GPL v3'
__copyright__ = '2012, Kovid Goyal <kovid at kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
from PyQt4.Qt import (QMainWindow, QSplitter, QApplication, QLabel,
QWebView)
app = QApplication([])
app
class MW(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.s = s = QSplitter()
self.setCentralWidget(s)
self.addToolBar('test').setObjectName('one')
self.addToolBar('test2').setObjectName('two')
s.addWidget(QLabel('one'))
s.addWidget(QLabel('two'))
self.s2 = s2 = QSplitter()
s.addWidget(s2)
self.v = v = QWebView()
s2.addWidget(v)
v.page().mainFrame().setHtml('<body>hello</body>')
def closeEvent(self, e):
print (1111111, bytearray(self.saveState(1)))
e.accept()
m = MW()
m.show()
app.exec_()
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