4 files changed, 14 insertions, 9 deletions
diff --git a/rest_framework/utils/__init__.py b/rest_framework/utils/__init__.py
index 84fcb5db..3bab3b5f 100644
--- a/rest_framework/utils/__init__.py
+++ b/rest_framework/utils/__init__.py
@@ -1,6 +1,8 @@
-from django.utils.encoding import smart_unicode
+from __future__ import unicode_literals
 from django.utils.xmlutils import SimplerXMLGenerator
 from rest_framework.compat import StringIO
+from rest_framework.compat import six
+from rest_framework.compat import smart_text
 import re
 import xml.etree.ElementTree as ET
 
@@ -70,7 +72,7 @@ class XMLRenderer():
                 xml.endElement("list-item")
 
         elif isinstance(data, dict):
-            for key, value in data.iteritems():
+            for key, value in six.iteritems(data):
                 xml.startElement(key, {})
                 self._to_xml(xml, value)
                 xml.endElement(key)
@@ -80,10 +82,10 @@ class XMLRenderer():
             pass
 
         else:
-            xml.characters(smart_unicode(data))
+            xml.characters(smart_text(data))
 
     def dict2xml(self, data):
-        stream = StringIO.StringIO()
+        stream = StringIO()
 
         xml = SimplerXMLGenerator(stream, "utf-8")
         xml.startDocument()
diff --git a/rest_framework/utils/breadcrumbs.py b/rest_framework/utils/breadcrumbs.py
index 80e39d46..af21ac79 100644
--- a/rest_framework/utils/breadcrumbs.py
+++ b/rest_framework/utils/breadcrumbs.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 from django.core.urlresolvers import resolve, get_script_prefix
 
 
diff --git a/rest_framework/utils/encoders.py b/rest_framework/utils/encoders.py
index 7afe100a..b6de18a8 100644
--- a/rest_framework/utils/encoders.py
+++ b/rest_framework/utils/encoders.py
@@ -1,13 +1,14 @@
 """
 Helper classes for parsers.
 """
+from __future__ import unicode_literals
+from django.utils.datastructures import SortedDict
+from rest_framework.compat import timezone
+from rest_framework.serializers import DictWithMetadata, SortedDictWithMetadata
 import datetime
 import decimal
 import types
 import json
-from django.utils.datastructures import SortedDict
-from rest_framework.compat import timezone
-from rest_framework.serializers import DictWithMetadata, SortedDictWithMetadata
 
 
 class JSONEncoder(json.JSONEncoder):
diff --git a/rest_framework/utils/mediatypes.py b/rest_framework/utils/mediatypes.py
index ee7f3a54..c09c2933 100644
--- a/rest_framework/utils/mediatypes.py
+++ b/rest_framework/utils/mediatypes.py
@@ -3,8 +3,9 @@ Handling of media types, as found in HTTP Content-Type and Accept headers.
 
 See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7
 """
-
+from __future__ import unicode_literals
 from django.http.multipartparser import parse_header
+from rest_framework import HTTP_HEADER_ENCODING
 
 
 def media_type_matches(lhs, rhs):
@@ -47,7 +48,7 @@ class _MediaType(object):
         if media_type_str is None:
             media_type_str = ''
         self.orig = media_type_str
-        self.full_type, self.params = parse_header(media_type_str)
+        self.full_type, self.params = parse_header(media_type_str.encode(HTTP_HEADER_ENCODING))
         self.main_type, sep, self.sub_type = self.full_type.partition('/')
 
     def match(self, other):