Remove OrderedDict fallback

rest_framework/compat.py

@@ -57,16 +57,6 @@ def distinct(queryset, base):
     return queryset.distinct()
 
 
-# OrderedDict only available in Python 2.7.
-# This will always be the case in Django 1.7 and above, as these versions
-# no longer support Python 2.6.
-# For Django <= 1.6 and Python 2.6 fall back to SortedDict.
-try:
-    from collections import OrderedDict
-except ImportError:
-    from django.utils.datastructures import SortedDict as OrderedDict
-
-
 # contrib.postgres only supported from 1.8 onwards.
 try:
     from django.contrib.postgres import fields as postgres_fields

rest_framework/fields.py

@@ -7,6 +7,7 @@ import decimal
 import inspect
 import re
 import uuid
+from collections import OrderedDict
 
 from django.conf import settings
 from django.core.exceptions import ValidationError as DjangoValidationError
@@ -26,8 +27,8 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import ISO_8601
 from rest_framework.compat import (
     MaxLengthValidator, MaxValueValidator, MinLengthValidator,
-    MinValueValidator, OrderedDict, duration_string, parse_duration,
-    unicode_repr, unicode_to_repr
+    MinValueValidator, duration_string, parse_duration, unicode_repr,
+    unicode_to_repr
 )
 from rest_framework.exceptions import ValidationError
 from rest_framework.settings import api_settings

rest_framework/metadata.py

@@ -8,12 +8,13 @@ to return this information in a more standardized way.
 """
 from __future__ import unicode_literals
 
+from collections import OrderedDict
+
 from django.core.exceptions import PermissionDenied
 from django.http import Http404
 from django.utils.encoding import force_text
 
 from rest_framework import exceptions, serializers
-from rest_framework.compat import OrderedDict
 from rest_framework.request import clone_request
 from rest_framework.utils.field_mapping import ClassLookupDict
 

rest_framework/pagination.py

@@ -7,7 +7,7 @@ from __future__ import unicode_literals
 
 import warnings
 from base64 import b64decode, b64encode
-from collections import namedtuple
+from collections import OrderedDict, namedtuple
 
 from django.core.paginator import Paginator as DjangoPaginator
 from django.core.paginator import InvalidPage
@@ -16,7 +16,6 @@ from django.utils import six
 from django.utils.six.moves.urllib import parse as urlparse
 from django.utils.translation import ugettext_lazy as _
 
-from rest_framework.compat import OrderedDict
 from rest_framework.exceptions import NotFound
 from rest_framework.response import Response
 from rest_framework.settings import api_settings

rest_framework/relations.py

 # coding: utf-8
 from __future__ import unicode_literals
 
+from collections import OrderedDict
+
 from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist
 from django.core.urlresolvers import (
     NoReverseMatch, Resolver404, get_script_prefix, resolve
@@ -12,7 +14,6 @@ from django.utils.encoding import smart_text
 from django.utils.six.moves.urllib import parse as urlparse
 from django.utils.translation import ugettext_lazy as _
 
-from rest_framework.compat import OrderedDict
 from rest_framework.fields import (
     Field, empty, get_attribute, is_simple_callable, iter_options
 )

rest_framework/routers.py

@@ -16,14 +16,13 @@ For example, you might have a `urls.py` that looks something like this:
 from __future__ import unicode_literals
 
 import itertools
-from collections import namedtuple
+from collections import OrderedDict, namedtuple
 
 from django.conf.urls import url
 from django.core.exceptions import ImproperlyConfigured
 from django.core.urlresolvers import NoReverseMatch
 
 from rest_framework import views
-from rest_framework.compat import OrderedDict
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
 from rest_framework.urlpatterns import format_suffix_patterns

rest_framework/utils/model_meta.py

@@ -6,15 +6,13 @@ relationships and their associated metadata.
 Usage: `get_field_info(model)` returns a `FieldInfo` instance.
 """
 import inspect
-from collections import namedtuple
+from collections import OrderedDict, namedtuple
 
 from django.apps import apps
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
 from django.utils import six
 
-from rest_framework.compat import OrderedDict
-
 FieldInfo = namedtuple('FieldResult', [
     'pk',  # Model field instance
     'fields',  # Dict of field name -> model field instance

rest_framework/utils/serializer_helpers.py

 from __future__ import unicode_literals
 
 import collections
+from collections import OrderedDict
 
 from django.utils.encoding import force_text
 
-from rest_framework.compat import OrderedDict, unicode_to_repr
+from rest_framework.compat import unicode_to_repr
 
 
 class ReturnDict(OrderedDict):

tests/test_model_serializer.py

@@ -8,6 +8,7 @@ an appropriate set of serializer fields for each case.
 from __future__ import unicode_literals
 
 import decimal
+from collections import OrderedDict
 
 import django
 import pytest
@@ -21,7 +22,7 @@ from django.utils import six
 
 from rest_framework import serializers
 from rest_framework.compat import DurationField as ModelDurationField
-from rest_framework.compat import OrderedDict, unicode_repr
+from rest_framework.compat import unicode_repr
 
 
 def dedent(blocktext):

tests/test_renderers.py

@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 
 import json
 import re
-from collections import MutableMapping
+from collections import MutableMapping, OrderedDict
 
 from django.conf.urls import include, url
 from django.core.cache import cache
@@ -13,7 +13,6 @@ from django.utils import six
 from django.utils.translation import ugettext_lazy as _
 
 from rest_framework import permissions, serializers, status
-from rest_framework.compat import OrderedDict
 from rest_framework.renderers import (
     BaseRenderer, BrowsableAPIRenderer, HTMLFormRenderer, JSONRenderer
 )