Package: pyqwt5 Version: rebuild to solve an sip4 bug Severity: important
hello I am affected by this bug. https://bugs.launchpad.net/ubuntu/+source/pyqwt5/+bug/672509 See this thread: http://sourceforge.net/mailarchive/message.php?msg_name=59332.88.79.237.11.1288303088.squirrel%40web-mail.cells.es I recompile pyqwt5 with unstable, but it did not solve this problem. I attached, a python script sent by the first reporter that can show the error. hope it can helps thanks Frederic -- System Information: Debian Release: wheezy/sid APT prefers oldstable APT policy: (500, 'oldstable'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: i386 (i686) Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores) Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash
''' This code checks if a known bug in some PyQwt versions affects your installation. Simply run this script and see the diagnosis in the std output. If you are affected, the solution is to install/compile a newer version of PyQwt/SIP Notably, the python-qwt5-qt4 package originally shipped with Ubuntu 10.10 is affected In some systems, the bug produces a segfault while in some others it produces an Assertion error similar to the following: python: /build/buildd/sip4-qt3-4.10.5/siplib/siplib.c:2600: sip_api_parse_result: Assertion `assign_helper != ((void *)0)' failed. See also: https://bugs.launchpad.net/ubuntu/+source/pyqwt5/+bug/672509 http://www.esrf.eu/mail_archives/tango/archive/msg04025.html ''' from PyQt4 import Qt, Qwt5 class MyScaleDrawSafe(Qwt5.QwtScaleDraw): def __init__(self, format = None, palette = None): Qwt5.QwtScaleDraw.__init__(self) class MyScaleDrawDanger(Qwt5.QwtScaleDraw): def __init__(self, format = None, palette = None): Qwt5.QwtScaleDraw.__init__(self) def label(self, val): return Qwt5.QwtScaleDraw.label(self, val) class MyPlot(Qwt5.QwtPlot): def __init__(self, parent = None, designMode = False): Qwt5.QwtPlot.__init__(self, parent) self.setAxisScaleDraw(Qwt5.QwtPlot.xBottom, MyScaleDrawSafe()) print "Replotting with MyScaleDrawSafe:..." self.replot() print "ok" self.setAxisScaleDraw(Qwt5.QwtPlot.xBottom, MyScaleDrawDanger()) print "Replotting with MyScaleDrawDanger (if it crashes now you are affected by the bug) :..." self.replot() print "SAFE!!!" print "if this is printed, the sip/PyQwt bug does not affect you" app=Qt.QApplication([]) p=MyPlot() p.show()
