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我使用TaskCoach-1.4.3，它是用Python2.7和wxpython-3.0-gtk2编写的。没有对原始代码进行更改，并且使用了两年多，但有一天它停止了奇怪的错误。wxpython，wx-3.0-gtk2的奇怪问题。 C++ assertion“IsOk（）”失败
Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve property `gtk-primary-button-warps-slider' of type `gboolean' from rc file value "((GString*) 0x5d546b17a0)" of type `gboolean'
Traceback (most recent call last):
File "/home/user/bin/taskcoach/taskcoachlib/gui/artprovider.py", line 62, in CreateBitmap
return self._CreateBitmap(artId, artClient, size)
File "/home/user/bin/taskcoach/taskcoachlib/gui/artprovider.py", line 69, in _CreateBitmap
bitmap = icons.catalog[catalogKey].getBitmap()
File "/usr/lib64/python2.7/site-packages/wx-3.0-gtk2/wx/lib/embeddedimage.py", line 48, in GetBitmap
return wx.BitmapFromImage(self.GetImage())
File "/usr/lib64/python2.7/site-packages/wx-3.0-gtk2/wx/_gdi.py", line 884, in BitmapFromImage
val = _gdi_.new_BitmapFromImage(*args, **kwargs)
wx._core.PyAssertionError: C++ assertion "image.IsOk()" failed at /var/tmp/portage/x11-libs/wxGTK-3.0.2.0-r2/work/wxPython-src-3.0.2.0/src/gtk/bitmap.cpp(626) in wxBitmap(): invalid image
persons_icon
Traceback (most recent call last):
File "/home/user/bin/tasker", line 72, in <module>
start()
File "/home/user/bin/tasker", line 63, in start
app = application.Application(options, args)
File "/home/user/bin/taskcoach/taskcoachlib/patterns/singleton.py", line 29, in __call__
class_.instance = super(Singleton, class_).__call__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/application/application.py", line 117, in __init__
self.init(**kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/application/application.py", line 226, in init
self.settings, splash=splash)
File "/home/user/bin/taskcoach/taskcoachlib/gui/mainwindow.py", line 68, in __init__
self._create_window_components() # Not private for test purposes
File "/home/user/bin/taskcoach/taskcoachlib/gui/mainwindow.py", line 140, in _create_window_components
viewer.addViewers(self.viewer, self.taskFile, self.settings)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/factory.py", line 45, in __init__
self.__add_all_viewers()
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/factory.py", line 49, in __add_all_viewers
self.__add_viewers(task.TaskViewer)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/factory.py", line 66, in __add_viewers
**self._viewer_kwargs(viewer_class))
File "/home/user/bin/taskcoach/taskcoachlib/patterns/metaclass.py", line 39, in __call__
instance = super(NumberedInstances, cls).__call__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/task.py", line 877, in __init__
super(TaskViewer, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/mixin.py", line 383, in __init__
super(SortableViewerForTasksMixin, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/mixin.py", line 323, in __init__
super(ManualOrderingMixin, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/mixin.py", line 208, in __init__
super(SortableViewerMixin, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/base.py", line 703, in __init__
super(ViewerWithColumns, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/task.py", line 136, in __init__
super(BaseTaskTreeViewer, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/task.py", line 77, in __init__
super(BaseTaskViewer, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/mixin.py", line 85, in __init__
super(FilterableViewerMixin, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/base.py", line 583, in __init__
super(TreeViewer, self).__init__(*args, **kwargs)
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/base.py", line 63, in __init__
self.widget = self.createWidget()
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/task.py", line 912, in createWidget
imageList = self.createImageList() # Has side-effects
File "/home/user/bin/taskcoach/taskcoachlib/gui/viewer/base.py", line 191, in createImageList
imageList.Add(wx.ArtProvider_GetBitmap(image, wx.ART_MENU, size))
File "/usr/lib64/python2.7/site-packages/wx-3.0-gtk2/wx/_gdi.py", line 6735, in Add
return _gdi_.ImageList_Add(*args, **kwargs)
wx._core.PyAssertionError: C++ assertion "IsOk()" failed at /var/tmp/portage/x11-libs/wxGTK-3.0.2.0-r2/work/wxPython-src-3.0.2.0/src/gtk/bitmap.cpp(923) in GetWidth(): invalid bitmap
这也显示了一个GUI错误消息：
IDAT: chunk data is too large
07:11:19: Couldn't load a PNG image - file is corrupted or not enough memory.
07:11:19: Unknown image data format.
我试图重新编译的wxWidgets和wxPython的（我用的Gentoo），删除主目录中的任何数据，并从官方网站taskcoach重新下载.ORG。没什么帮助。请帮助它工作。
这是PNG图像可以吗？它可以与其他应用程序读取？ – Ripi2
@Ural，你升级了png库吗？你升级了系统吗？ GTK +？有一张票阅读不正常的PNG，但我相信它很久以前就修复了。 – Igor
我无法找到它请求的png图片。我假设它与应用程序一起提供，并且必须没事，因为应用程序的版本是相同的，我再次下载它。 @igor，是的，我通常更新系统，并且可能会收到一些更新，但通常更新是为了修复错误，而不是添加它们。我试图重新编译'emerge -av gtk + pygtk libpng wxGTK wxpython'，它仍然失败... – Ural