WXpython excepthook

wx_except.py

import wx
import sys
import traceback


class Mainframe(wx.Frame):
    def __init__(self, parent, id = wx.ID_DEFAULT, title = "The title", **kwargs):
        sys.excepthook = self.excepthook
        super(Mainframe, self).__init__(parent, id, title, *args, **kwargs)
        #wx graphics code here
    
        self.Fit()
        self.GetBestSize()
        self.Show(True)
    
    
    def excepthook(self, etype, value, tb):
        """
        This excepthook, when bound will catch all unhadled exceptions logging
        them to file and also creating a wx MessageDialog to notify the user of
        the error.
        """
        message = '\nUncaught exception:\n'
        message += ''.join(traceback.format_exception(etype, value, tb))
        with open('error.log', 'a') as log:
            log.write(message)
        
        d = wx.MessageDialog(self, "{0!s}: {1!s}".format(etype.__name__, value)
                                , "Unhandled exception", wx.OK | wx.ICON_ERROR)
        d.ShowModal()
        d.Destroy()


def installThreadExcepthook():
    """
    Workaround for sys.excepthook thread bug
    From
http://spyced.blogspot.com/2007/06/workaround-for-sysexcepthook-bug.html
   
(https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1230540&group_id=5470).
    Call once from __main__ before creating any threads.
    If using psyco, call psyco.cannotcompile(threading.Thread.run)
    since this replaces a new-style class method.
    """
    init_old = threading.Thread.__init__
    def init(self, *args, **kwargs):
        init_old(self, *args, **kwargs)
        run_old = self.run
        def run_with_except_hook(*args, **kw):
            try:
                run_old(*args, **kw)
            except (KeyboardInterrupt, SystemExit):
                raise
            except:
                sys.excepthook(*sys.exc_info())
        self.run = run_with_except_hook
    threading.Thread.__init__ = init


if __name__ == "__main__":
    installThreadExcepthook()
    app = wx.App(False)
    frame = Mainframe(None)
    app.MainLoop()