wxPython crashes when run

[kdt]

Hi,

My GUI keeps crashing on the second time it runs. It doesn't come up with any useful error messages, just says "there was a problem". I've narrowed the offending code to the following.

I'm running wxpython on windows xp.

cheers

 
import wx
 
class myFrame(wx.Frame):
    def __init__(self, parent, id, title):
        wx.Frame.__init__(self, parent, id, title, size=(250, 150))
 
        menubar = wx.MenuBar()
        file = wx.Menu()
        quit = wx.MenuItem(file, 1, '&Quit\tCtrl+Q')
        file.AppendItem(quit)
 
        self.Bind(wx.EVT_MENU, self.OnQuit, id=1)
 
        menubar.Append(file, '&File')
        self.SetMenuBar(menubar)
 
        self.Centre()
        self.Show(True)
 
    def OnQuit(self, event):
        self.Close()
 
class MyApp(wx.App):
    def OnInit(self):
        frame =myFrame(None,-1,"frame test")
        self.SetTopWindow(frame)
 
        print "Print statements go to this stdout window by default."
 
        frame.Show(True)
        return True
 
app = MyApp(False) 
app.MainLoop()
 
 

[bartonc]

I ran this successfully on my machine many times in a row with no errors.
The only thing that I see as a "mistake" is using a literal for the ID of the menu item. A better method would be to have wx give you IDs at the module level:

wxID_MYMENUITEMS0 = wx.NewId()

The create the menu item and Bind() using that ID.

The reason that it is a mistake to use literals as IDs is that many IDs are used internally by wx. wx.NewId() will always return a usable ID.

[kdt]

I ran this successfully on my machine many times in a row with no errors.
The only thing that I see as a "mistake" is using a literal for the ID of the menu item. A better method would be to have wx give you IDs at the module level:

wxID_MYMENUITEMS0 = wx.NewId()

The create the menu item and Bind() using that ID.

The reason that it is a mistake to use literals as IDs is that many IDs are used internally by wx. wx.NewId() will always return a usable ID.

Thanks Bartonc, resolved now. :)