Python/ Simple Image Viewer

from Gui import *
import Image as PIL
import ImageTk
from tkFileDialog import askopenfilename

class Image_Viewer(object):
    """ An image viewer with a filebrowser to select the image."""

    def show_image(self):
        try:
            self.image = PIL.open(self.g.filename)
            self.photo = ImageTk.PhotoImage(self.image)
            self.label = self.g.la(image=self.photo)
            self.g.mainloop()
        except:
            print "This doesn't appear to be an image file"

    def browse(self):
        self.g = Gui()
        self.g.title('Image Viewer')
        self.g.filename = askopenfilename(filetypes = [("Image Files", ("*.bmp", "*.gif", "*.jpg", "*.jpeg", "*.png", "*.tiff")),("JPEG",'*.jpg'),("GIF",'*.gif'),('All','*')])

if __name__ == "__main__":
    iview = Image_Viewer()
    iview.browse()
    iview.show_image()


""" Simple Image Viewer with file browser
    Uses the Gui module from ThinkPython
"""