fix ox.image in python3

ox/html.py

@@ -1,11 +1,10 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
 # GPL 2008
-import sys
 import re
 import string
 from six.moves.html_entities import name2codepoint
-from six import unichr
+from six import unichr, PY2
 
 
 # Configuration for add_links() function
@@ -25,7 +24,7 @@ link_target_attribute_re = re.compile(r'(<a [^>]*?)target=[^\s>]+')
 html_gunk_re = re.compile(r'(?:<br clear="all">|<i><\/i>|<b><\/b>|<em><\/em>|<strong><\/strong>|<\/?smallcaps>|<\/?uppercase>)', re.IGNORECASE)
 hard_coded_bullets_re = re.compile(r'((?:<p>(?:%s).*?[a-zA-Z].*?</p>\s*)+)' % '|'.join([re.escape(x) for x in DOTS]), re.DOTALL)
 trailing_empty_content_re = re.compile(r'(?:<p>(?:&nbsp;|\s|<br \/>)*?</p>\s*)+\Z')
-if sys.version[0] == 2:
+if PY2:
     del x # Temporary variable
 
 def escape(html):

ox/image.py

@@ -3,15 +3,23 @@
 # vi:si:et:sw=4:sts=4:ts=4
 
 from __future__ import division
-from hashlib import sha1
+
+try:
+    from PIL import Image
+    from PIL import ImageDraw
+    from PIL import ImageFont
+except:
     import Image
     import ImageDraw
     import ImageFont
 
+
 ZONE_INDEX = []
 for pixel_index in range(64):
     x, y = pixel_index % 8, int(pixel_index / 8)
     ZONE_INDEX.append(int(x / 2) + int(y / 4) * 4)
+del x
+del y
 
 def drawText(image, position, text, font_file, font_size, color):
     draw = ImageDraw.Draw(image)
@@ -20,7 +28,7 @@ def drawText(image, position, text, font_file, font_size, color):
     return draw.textsize(text, font=font)
 
 def getHSL(rgb):
-    rgb = map(lambda x: x / 255, rgb)
+    rgb = [x / 255 for x in rgb]
     maximum = max(rgb)
     minimum = min(rgb)
     hsl = [0.0, 0.0, 0.0]
@@ -60,7 +68,7 @@ def getImageHash(image_file, mode):
             zone_values[ZONE_INDEX[pixel_index]].append(pixel_value)
         for zone_index, pixel_values in enumerate(zone_values):
             # get the mean for each color channel
-            mean = map(lambda x: int(round(sum(x) / 8)), zip(*pixel_values))
+            mean = [int(round(sum(x) / 8)) for x in zip(*pixel_values)]
             # store the mean color of each zone as an 8-bit value:
             # RRRGGGBB
             color_index = sum((
@@ -128,7 +136,7 @@ def getRGB(hsl):
                 rgb[i] = v1 + ((v2 - v1) * 6 * (2/3 - v3))
             else:
                 rgb[i] = v1
-    return tuple(map(lambda x: int(x * 255), rgb))
+    return tuple([int(x * 255) for x in rgb])
 
 def getTextSize(image, text, font_file, font_size):
     draw = ImageDraw.Draw(image)

ox/js.py

@@ -1,16 +1,16 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
-import sys
 
-from ox.utils import json
+from six import PY2
+from .utils import json
 
 def minify(source, comment=''):
     # see https://github.com/douglascrockford/JSMin/blob/master/README
     def get_next_non_whitespace_token():
         pass
     # python2 performance with unicode string is terrible
-    if sys.version[0] == '2':
+    if PY2:
         if isinstance(source, unicode):
             source = source.encode('utf-8')
         if isinstance(comment, unicode):