edits for python 3

jpglitch.py

@@ -1,9 +1,10 @@
+#!/usr/bin/env python3
 import io
 import copy
 import random
 import click
 
-from itertools import tee, izip
+from itertools import tee
 from PIL import Image
 
 
@@ -14,7 +15,7 @@ def pairwise(iterable):
     """
     a, b = tee(iterable)
     next(b, None)
-    return izip(a, b)
+    return zip(a, b)
 
 
 class Jpeg(object):
@@ -63,7 +64,7 @@ def glitch_bytes(self):
         # bytes around if we glitch it so much we break the file.
         new_bytes = copy.copy(self.bytes)
 
-        for i in (xrange(iterations)):
+        for i in (range(iterations)):
             max_index = len(self.bytes) - self.header_length - 4
 
             # The following operations determine where we'll overwrite a value
@@ -110,7 +111,6 @@ def save_image(self, name):
                 self.parameters['iterations'] -= 1
                 self.glitch_bytes()
 
-
 @click.command()
 @click.option('--amount', '-a', type=click.IntRange(0, 99, clamp=True),
               default=random.randint(0, 99), help="Insert high or low values?")
@@ -129,7 +129,7 @@ def cli(image, amount, seed, iterations, jpg, output):
     jpeg = Jpeg(image_bytes, amount, seed, iterations)
 
     click.echo("\nScrambling your image with the following parameters:")
-    for key, value in jpeg.parameters.iteritems():
+    for key, value in jpeg.parameters.items():
         click.echo(message=key + ': ' + str(value))
 
     if output:
@@ -146,3 +146,6 @@ def cli(image, amount, seed, iterations, jpg, output):
 
     output = "\nSucces! Checkout %s." % name
     click.echo(output)
+
+if __name__ == '__main__':
+    cli()