import wx

class MyForm(wx.Frame):

    #----------------------------------------------------------------------

    def __init__(self):

        wx.Frame.__init__(self, None, wx.ID_ANY, "Tutorial", size=(500,500))

        # Add a panel so it looks the correct on all platforms

        panel = wx.Panel(self, wx.ID_ANY)

        SAVE_FILE_ID = wx.NewId()

        self.Bind(wx.EVT_MENU, self.saveFile, id=SAVE_FILE_ID)

        LOAD_FILE_ID = wx.NewId()

        self.Bind(wx.EVT_MENU, self.loadFile, id=LOAD_FILE_ID)

        accel_tbl = wx.AcceleratorTable([(wx.ACCEL_CTRL,  ord('O'), LOAD_FILE_ID ),

                                         (wx.ACCEL_CTRL,  ord('S'), SAVE_FILE_ID )]

                                        )

        self.SetAcceleratorTable(accel_tbl)

    #----------------------------------------------------------------------

    def loadFile(self, event):

        openFileDialog = wx.FileDialog(self, "Open", "", "", 

                                       "Python files (*.py)|*.py", 

                                       wx.FD_OPEN | wx.FD_FILE_MUST_EXIST)

        openFileDialog.ShowModal()

        openFileDialog.GetPath()

        openFileDialog.Destroy()

    #----------------------------------------------------------------------

    def saveFile(self, event):

        saveFileDialog = wx.FileDialog(self, "Save As", "", "", 

                                       "Python files (*.py)|*.py", 

                                       wx.FD_SAVE | wx.FD_OVERWRITE_PROMPT)

        saveFileDialog.ShowModal()

        saveFileDialog.GetPath()

        saveFileDialog.Destroy()

# Run the program

if __name__ == "__main__":

    app = wx.App(False)

    frame = MyForm()

    frame.Show()

    app.MainLoop()