# Tk_b64_zlib_img.py

# Tk_b64_zlib_img.py

from Tkinter import *
import tkFileDialog
from cStringIO import StringIO
from PIL import ImageTk, Image
import base64, zlib

root = Tk()
canvas = Canvas(root,width=400,height=640)
canvas.pack()

oFiletype =("png files","*.png"),("all files","*.*")
def b64_zlib():
    """Convert a file (specified by a path) into a data URI."""
    path = tkFileDialog.askopenfilename(title = "Select file",filetypes=oFiletype)
    try:
        with open(path, 'rb') as fp:
            data = fp.read()
            compressed = zlib.compress(data)
            b64 = base64.encodestring(compressed)
        return b64
    except:
        print ">>> acceptable image not selected <<<"

b64 = b64_zlib()
if b64:
    print "b64_zlib='''\\\n"+b64+"'''"
    b64 = base64.decodestring(b64)
    zzz = StringIO(zlib.decompress(b64))
    img_data = Image.open(zzz)
    img = ImageTk.PhotoImage(img_data)
#
w,h = img.width(),img.height()
canvas.create_image((w/3+2,h/3+2),image=img)
root.mainloop()