Move the urlparse lib compatibility to the compat file.

rest_framework/compat.py

@@ -30,6 +30,13 @@ except ImportError:
 from six import BytesIO
 
 
+# urlparse compat import (Required because it changed in python 3.x)
+try:
+    from urllib import parse as urlparse
+except ImportError:
+    import urlparse as urlparse
+
+
 # Try to import PIL in either of the two ways it can end up installed.
 try:
     from PIL import Image
@@ -109,7 +116,6 @@ else:
     import re
     import random
     import logging
-    import urlparse
 
     from django.conf import settings
     from django.core.urlresolvers import get_callable

rest_framework/relations.py

@@ -12,7 +12,7 @@ except ImportError:
     from django.utils.encoding import smart_unicode as smart_text
 from rest_framework.fields import Field, WritableField
 from rest_framework.reverse import reverse
-from urlparse import urlparse
+from rest_framework.compat import urlparse
 
 ##### Relational fields #####
 
@@ -360,7 +360,7 @@ class HyperlinkedRelatedField(RelatedField):
 
         if value.startswith('http:') or value.startswith('https:'):
             # If needed convert absolute URLs to relative path
-            value = urlparse(value).path
+            value = urlparse.urlparse(value).path
             prefix = get_script_prefix()
             if value.startswith(prefix):
                 value = '/' + value[len(prefix):]

rest_framework/templatetags/rest_framework.py

-from __future__ import unicode_literals
+from __future__ import unicode_literals, absolute_import
 import six
 
 from django import template
@@ -10,10 +10,7 @@ except ImportError:
     from django.utils.encoding import force_unicode as force_text
 from django.utils.html import escape
 from django.utils.safestring import SafeData, mark_safe
-try:
-    from urllib.parse import urlsplit, urlunsplit
-except ImportError:
-    from urlparse import urlsplit, urlunsplit
+from rest_framework.compat import urlparse
 import re
 import string
 
@@ -108,11 +105,11 @@ def replace_query_param(url, key, val):
     Given a URL and a key/val pair, set or replace an item in the query
     parameters of the URL, and return the new URL.
     """
-    (scheme, netloc, path, query, fragment) = urlsplit(url)
+    (scheme, netloc, path, query, fragment) = urlparse.urlsplit(url)
     query_dict = QueryDict(query).copy()
     query_dict[key] = val
     query = query_dict.urlencode()
-    return urlunsplit((scheme, netloc, path, query, fragment))
+    return urlparse.urlunsplit((scheme, netloc, path, query, fragment))
 
 
 # Regex for adding classes to html snippets