# -*- coding: utf-8 -*- import wx class MainWindow(wx.Frame):     def __init__(self, parent, id):         wx.Frame.__init__(self, parent, id,         u'去除代码前行号的Python小工具 - wxPython版 - Develop by Yanxy')         self.textBox = wx.TextCtrl(self, 1, style=wx.TE_MULTILINE,size=(600,600))         self.butOK = wx.Button(self, label=u"去除行号")         self.butLeft = wx.Button(self, label=u"去除左侧一个字符")         self.Bind(wx.EVT_BUTTON, self.CutLineNum, self.butOK)         self.Bind(wx.EVT_BUTTON, self.CutLeftChar, self.butLeft)         self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)         self.sizer = wx.BoxSizer(wx.HORIZONTAL)         self.sizer.Add(self.textBox,1,wx.EXPAND)         self.sizer.Add(self.butOK)         self.sizer.Add(self.butLeft)         self.SetSizer(self.sizer)         self.SetAutoLayout(1)         self.sizer.Fit(self)         self.Show(True)     def OnCloseWindow(self, event):         self.Destroy()     def CutLineNum(self, event):         multiStr = unicode(self.textBox.GetValue()).splitlines(1)         outStr = u''         for singleStr in multiStr:             singleStr = singleStr.lstrip()             i=0             for charStr in singleStr:                 if charStr.isdigit():                     i += 1                 elif i>0:                     singleStr = singleStr[i:]                     break                 else:                     break             outStr += singleStr         self.textBox.SetValue(outStr)     def CutLeftChar(self, event):         outStr = u''         multiStr = unicode(self.textBox.GetValue()).splitlines(1)         for singleStr in multiStr:             singleStr = singleStr[1:]             outStr += singleStr         self.textBox.SetValue(outStr) if __name__ == '__main__':     app = wx.PySimpleApp()     frame = MainWindow(parent=None, id=-1)     app.MainLoop() del app