use ImageDialog : ImageDialog : WxPython PYTHON TUTORIALS

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PYTHON TUTORIALS » WxPython » ImageDialog »

use ImageDialog


import wx
import wx.lib.imagebrowser as imagebrowser

app = wx.PySimpleApp()
dialog = imagebrowser.ImageDialog(None)   
if dialog.ShowModal() == wx.ID_OK:
    print "You Selected File: " + dialog.GetFile()  
dialog.Destroy()