悪いプログラムの例。実行しない方がいい。エンコーディングは適宜。

bad_code.py

#!/bin/env python
# -*- coding: shift_jis -*-
#
# Written by yamabiko
# 2015/July/03

import wx

PROGRAM_TITLE = "Oscillo view ver. 0.1"
PROGRAM_WRITER = "written by yamabiko"
PROGRAM_DATE = "2015/July/3"

class OscilloViewer(object):
    def __init__(self):
        # init wx window
        self.wx = wx.App(False)
        self.frame = wx.Frame(None, wx.ID_ANY, PROGRAM_TITLE)
        self.timer = wx.Timer(self.frame)
        self.checkValButton = wx.Button(self.frame, wx.ID_ANY, "Check value") 

        # events
        self.frame.Bind(wx.EVT_BUTTON, self.start_checkval, self.checkValButton)
        self.frame.Bind(wx.EVT_TIMER, self.OnTimer)

        # sizer
        self.hsizer = wx.BoxSizer(wx.HORIZONTAL)
        self.hsizer.Add(self.checkValButton, 1, wx.EXPAND)
        self.frame.SetSizer(self.hsizer)
        self.frame.SetAutoLayout(1)

        # show window
        self.frame.Show(True)

        # counter
        self.counter = 0

    def check_value(self):
        if self.counter % 10 == 0:
            dlg = wx.MessageDialog(self.frame,
                                   "カウンタの値が10の倍数になりました。プログラムを終了しますか？",
                                   "10の倍数",
                                   wx.YES_NO | wx.ICON_QUESTION)
            if dlg.ShowModal() == wx.ID_YES:
                self.timer.Stop()
            dlg.Destroy()

    def start_window(self):
        self.wx.MainLoop()

    def OnTimer(self, e):
        self.counter += 1
        self.check_value()

    def start_checkval(self, e):
        self.timer.Start(50)

if __name__ == '__main__':
    osv = OscilloViewer()
    osv.start_window()