python 3 fix

1 files changed, 13 insertions, 2 deletions

diff --git a/servo/lib/shorturl.py b/servo/lib/shorturl.py
index f93028f..a78c699 100644
--- a/servo/lib/shorturl.py
+++ b/servo/lib/shorturl.py
@@ -56,42 +56,53 @@ class UrlEncoder(object):
         self.alphabet = alphabet
         self.block_size = block_size
         self.mask = (1 << block_size) - 1
-        self.mapping = range(block_size)
+        self.mapping = list(range(block_size))
         self.mapping.reverse()
+
     def encode_url(self, n, min_length=MIN_LENGTH):
         return self.enbase(self.encode(n), min_length)
+
     def decode_url(self, n):
         return self.decode(self.debase(n))
+
     def encode(self, n):
         return (n & ~self.mask) | self._encode(n & self.mask)
+
     def _encode(self, n):
         result = 0
         for i, b in enumerate(self.mapping):
             if n & (1 << i):
                 result |= (1 << b)
         return result
+
     def decode(self, n):
         return (n & ~self.mask) | self._decode(n & self.mask)
+
     def _decode(self, n):
         result = 0
         for i, b in enumerate(self.mapping):
             if n & (1 << b):
                 result |= (1 << i)
         return result
+
     def enbase(self, x, min_length=MIN_LENGTH):
         result = self._enbase(x)
         padding = self.alphabet[0] * (min_length - len(result))
         return '%s%s' % (padding, result)
+
     def _enbase(self, x):
+        x = int(x)
         n = len(self.alphabet)
         if x < n:
             return self.alphabet[x]
         return self._enbase(x / n) + self.alphabet[x % n]
+
     def debase(self, x):
         n = len(self.alphabet)
         result = 0
         for i, c in enumerate(reversed(x)):
             result += self.alphabet.index(c) * (n ** i)
+
         return result
 
 DEFAULT_ENCODER = UrlEncoder()
@@ -127,4 +138,4 @@ if __name__ == '__main__':
         assert a == e
         assert b == d
         c = (' ' * (7 - len(c))) + c
-        print '%6d %12d %s %12d %6d' % (a, b, c, d, e)
+        print ('%6d %12d %s %12d %6d' % (a, b, c, d, e))