Add compatibility for python 3

This is done via the future package,
which is added to the setup requirements.

Author: Elyunge

redis_url.py

@@ -1,12 +1,17 @@
-try:
-    import urlparse
-except ImportError:
-    import urllib.parse as urlparse
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+from builtins import int
+from future import standard_library
+standard_library.install_aliases()
+
+import urllib.parse
 
 def parse(url):
     """Parses a Redis URL."""
 
-    url = urlparse.urlparse(url)
+    url = urllib.parse.urlparse(url)
 
     config = {
         'host': url.hostname or 'localhost',
@@ -15,15 +20,15 @@ def parse(url):
     }
 
     # parse options from url
-    options = urlparse.parse_qs(url.query)
+    options = urllib.parse.parse_qs(url.query)
 
     # if cluster mode is enabled, do not add db to config (unsupported)
     cluster_enabled = options.pop('cluster', ['false'])[0]
 
     if cluster_enabled == 'false':
         config['db'] = int(url.path[1:] or 0)
 
-    for key, val in options.iteritems():
+    for key, val in options.items():
         config[key] = val[0] if len(val) == 1 else val
 
         if key == 'skip_full_coverage_check':

setup.py

@@ -9,13 +9,14 @@
 
 setup(
     name='redis-url-py',
-    version='0.0.3',
+    version='0.0.4',
     url='https://github.com/Xopherus/redis-url-py',
     license=LICENSE,
     author='Chris Raborg',
     author_email='craborg1@umbc.edu',
     description='Use Redis URLs in your Python applications',
     long_description=DESCRIPTION,
     py_modules=['redis_url'],
+    install_requires = ["future"],
     zip_safe=False,
 )