Remove template_render compat

Plus isort.

rest_framework/authtoken/management/commands/drf_create_token.py

@@ -1,7 +1,7 @@
 from django.contrib.auth import get_user_model
 from django.core.management.base import BaseCommand, CommandError
-from rest_framework.authtoken.models import Token
 
+from rest_framework.authtoken.models import Token
 
 UserModel = get_user_model()
 

rest_framework/compat.py

@@ -305,29 +305,6 @@ def set_rollback():
         pass
 
 
-# TODO: Remove
-def template_render(template, context=None, request=None):
-    """
-    Passing Context or RequestContext to Template.render is deprecated in 1.9+,
-    see https://github.com/django/django/pull/3883 and
-    https://github.com/django/django/blob/1.9/django/template/backends/django.py#L82-L84
-
-    :param template: Template instance
-    :param context: dict
-    :param request: Request instance
-    :return: rendered template as SafeText instance
-    """
-    if isinstance(template, Template):
-        if request:
-            context = RequestContext(request, context)
-        else:
-            context = Context(context)
-        return template.render(context)
-    # backends template, e.g. django.template.backends.django.Template
-    else:
-        return template.render(context, request=request)
-
-
 # TODO: Remove
 def set_many(instance, field, value):
     if django.VERSION < (1, 10):

rest_framework/fields.py

@@ -32,8 +32,7 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import ISO_8601
 from rest_framework.compat import (
     InvalidTimeError, MaxLengthValidator, MaxValueValidator,
-    MinLengthValidator, MinValueValidator, unicode_repr,
+    MinLengthValidator, MinValueValidator, unicode_repr, unicode_to_repr
-    unicode_to_repr
 )
 from rest_framework.exceptions import ErrorDetail, ValidationError
 from rest_framework.settings import api_settings

rest_framework/filters.py

@@ -16,9 +16,7 @@ from django.utils import six
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from rest_framework.compat import (
+from rest_framework.compat import coreapi, coreschema, distinct, guardian
-    coreapi, coreschema, distinct, guardian, template_render
-)
 from rest_framework.settings import api_settings
 
 
@@ -129,7 +127,7 @@ class SearchFilter(BaseFilterBackend):
             'term': term
         }
         template = loader.get_template(self.template)
-        return template_render(template, context)
+        return template.render(context)
 
     def get_schema_fields(self, view):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'
@@ -260,7 +258,7 @@ class OrderingFilter(BaseFilterBackend):
     def to_html(self, request, queryset, view):
         template = loader.get_template(self.template)
         context = self.get_template_context(request, queryset, view)
-        return template_render(template, context)
+        return template.render(context)
 
     def get_schema_fields(self, view):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'

rest_framework/pagination.py

@@ -16,7 +16,7 @@ from django.utils.encoding import force_text
 from django.utils.six.moves.urllib import parse as urlparse
 from django.utils.translation import ugettext_lazy as _
 
-from rest_framework.compat import coreapi, coreschema, template_render
+from rest_framework.compat import coreapi, coreschema
 from rest_framework.exceptions import NotFound
 from rest_framework.response import Response
 from rest_framework.settings import api_settings
@@ -285,7 +285,7 @@ class PageNumberPagination(BasePagination):
     def to_html(self):
         template = loader.get_template(self.template)
         context = self.get_html_context()
-        return template_render(template, context)
+        return template.render(context)
 
     def get_schema_fields(self, view):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'
@@ -442,7 +442,7 @@ class LimitOffsetPagination(BasePagination):
     def to_html(self):
         template = loader.get_template(self.template)
         context = self.get_html_context()
-        return template_render(template, context)
+        return template.render(context)
 
     def get_schema_fields(self, view):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'
@@ -793,7 +793,7 @@ class CursorPagination(BasePagination):
     def to_html(self):
         template = loader.get_template(self.template)
         context = self.get_html_context()
-        return template_render(template, context)
+        return template.render(context)
 
     def get_schema_fields(self, view):
         assert coreapi is not None, 'coreapi must be installed to use `get_schema_fields()`'

rest_framework/renderers.py

@@ -16,7 +16,7 @@ from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 from django.core.paginator import Page
 from django.http.multipartparser import parse_header
-from django.template import Template, loader
+from django.template import engines, loader
 from django.test.client import encode_multipart
 from django.utils import six
 from django.utils.html import mark_safe
@@ -24,7 +24,7 @@ from django.utils.html import mark_safe
 from rest_framework import VERSION, exceptions, serializers, status
 from rest_framework.compat import (
     INDENT_SEPARATORS, LONG_SEPARATORS, SHORT_SEPARATORS, coreapi,
-    pygments_css, template_render
+    pygments_css
 )
 from rest_framework.exceptions import ParseError
 from rest_framework.request import is_form_media_type, override_method
@@ -173,7 +173,7 @@ class TemplateHTMLRenderer(BaseRenderer):
             context = self.resolve_context(data, request, response)
         else:
             context = self.get_template_context(data, renderer_context)
-        return template_render(template, context, request=request)
+        return template.render(context, request=request)
 
     def resolve_template(self, template_names):
         return loader.select_template(template_names)
@@ -206,8 +206,9 @@ class TemplateHTMLRenderer(BaseRenderer):
             return self.resolve_template(template_names)
         except Exception:
             # Fall back to using eg '404 Not Found'
-            return Template('%d %s' % (response.status_code,
+            body = '%d %s' % (response.status_code, response.status_text.title())
-                                       response.status_text.title()))
+            template = engines['django'].from_string(body)
+            return template
 
 
 # Note, subclass TemplateHTMLRenderer simply for the exception behavior
@@ -239,7 +240,7 @@ class StaticHTMLRenderer(TemplateHTMLRenderer):
                 context = self.resolve_context(data, request, response)
             else:
                 context = self.get_template_context(data, renderer_context)
-            return template_render(template, context, request=request)
+            return template.render(context, request=request)
 
         return data
 
@@ -347,7 +348,7 @@ class HTMLFormRenderer(BaseRenderer):
 
         template = loader.get_template(template_name)
         context = {'field': field, 'style': style}
-        return template_render(template, context)
+        return template.render(context)
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -368,7 +369,7 @@ class HTMLFormRenderer(BaseRenderer):
             'form': form,
             'style': style
         }
-        return template_render(template, context)
+        return template.render(context)
 
 
 class BrowsableAPIRenderer(BaseRenderer):
@@ -625,7 +626,7 @@ class BrowsableAPIRenderer(BaseRenderer):
 
         template = loader.get_template(self.filter_template)
         context = {'elements': elements}
-        return template_render(template, context)
+        return template.render(context)
 
     def get_context(self, data, accepted_media_type, renderer_context):
         """
@@ -705,7 +706,7 @@ class BrowsableAPIRenderer(BaseRenderer):
 
         template = loader.get_template(self.template)
         context = self.get_context(data, accepted_media_type, renderer_context)
-        ret = template_render(template, context, request=renderer_context['request'])
+        ret = template.render(context, request=renderer_context['request'])
 
         # Munge DELETE Response code to allow us to return content
         # (Do this *after* we've rendered the template so that we include
@@ -741,7 +742,7 @@ class AdminRenderer(BrowsableAPIRenderer):
 
         template = loader.get_template(self.template)
         context = self.get_context(data, accepted_media_type, renderer_context)
-        ret = template_render(template, context, request=renderer_context['request'])
+        ret = template.render(context, request=renderer_context['request'])
 
         # Creation and deletion should use redirects in the admin style.
         if response.status_code == status.HTTP_201_CREATED and 'Location' in response:
@@ -819,7 +820,7 @@ class DocumentationRenderer(BaseRenderer):
     def render(self, data, accepted_media_type=None, renderer_context=None):
         template = loader.get_template(self.template)
         context = self.get_context(data, renderer_context['request'])
-        return template_render(template, context, request=renderer_context['request'])
+        return template.render(context, request=renderer_context['request'])
 
 
 class SchemaJSRenderer(BaseRenderer):
@@ -835,7 +836,7 @@ class SchemaJSRenderer(BaseRenderer):
         template = loader.get_template(self.template)
         context = {'schema': mark_safe(schema)}
         request = renderer_context['request']
-        return template_render(template, context, request=request)
+        return template.render(context, request=request)
 
 
 class MultiPartRenderer(BaseRenderer):

rest_framework/settings.py

@@ -19,6 +19,7 @@ REST framework settings, checking for user settings first, then falling
 back to the defaults.
 """
 from __future__ import unicode_literals
+
 from importlib import import_module
 
 from django.conf import settings

rest_framework/templatetags/rest_framework.py

@@ -11,8 +11,7 @@ from django.utils.html import escape, format_html, smart_urlquote
 from django.utils.safestring import SafeData, mark_safe
 
 from rest_framework.compat import (
-    NoReverseMatch, apply_markdown, pygments_highlight, reverse,
+    NoReverseMatch, apply_markdown, pygments_highlight, reverse
-    template_render
 )
 from rest_framework.renderers import HTMLFormRenderer
 from rest_framework.utils.urls import replace_query_param
@@ -216,11 +215,11 @@ def format_value(value):
         else:
             template = loader.get_template('rest_framework/admin/simple_list_value.html')
         context = {'value': value}
-        return template_render(template, context)
+        return template.render(context)
     elif isinstance(value, dict):
         template = loader.get_template('rest_framework/admin/dict_value.html')
         context = {'value': value}
-        return template_render(template, context)
+        return template.render(context)
     elif isinstance(value, six.string_types):
         if (
             (value.startswith('http:') or value.startswith('https:')) and not

rest_framework/utils/model_meta.py

@@ -7,7 +7,6 @@ Usage: `get_field_info(model)` returns a `FieldInfo` instance.
 """
 from collections import OrderedDict, namedtuple
 
-
 FieldInfo = namedtuple('FieldResult', [
     'pk',  # Model field instance
     'fields',  # Dict of field name -> model field instance

tests/test_authentication.py

@@ -16,8 +16,9 @@ from rest_framework import (
     HTTP_HEADER_ENCODING, exceptions, permissions, renderers, status
 )
 from rest_framework.authentication import (
-    BaseAuthentication, BasicAuthentication, RemoteUserAuthentication, SessionAuthentication,
+    BaseAuthentication, BasicAuthentication, RemoteUserAuthentication,
-    TokenAuthentication)
+    SessionAuthentication, TokenAuthentication
+)
 from rest_framework.authtoken.models import Token
 from rest_framework.authtoken.views import obtain_auth_token
 from rest_framework.response import Response

tests/test_htmlrenderer.py

@@ -5,7 +5,7 @@ import pytest
 from django.conf.urls import url
 from django.core.exceptions import ImproperlyConfigured, PermissionDenied
 from django.http import Http404
-from django.template import Template, TemplateDoesNotExist
+from django.template import TemplateDoesNotExist, engines
 from django.test import TestCase, override_settings
 from django.utils import six
 
@@ -60,12 +60,12 @@ class TemplateHTMLRendererTests(TestCase):
 
         def get_template(template_name, dirs=None):
             if template_name == 'example.html':
-                return Template("example: {{ object }}")
+                return engines['django'].from_string("example: {{ object }}")
             raise TemplateDoesNotExist(template_name)
 
         def select_template(template_name_list, dirs=None, using=None):
             if template_name_list == ['example.html']:
-                return Template("example: {{ object }}")
+                return engines['django'].from_string("example: {{ object }}")
             raise TemplateDoesNotExist(template_name_list[0])
 
         django.template.loader.get_template = get_template
@@ -139,9 +139,9 @@ class TemplateHTMLRendererExceptionTests(TestCase):
 
         def get_template(template_name):
             if template_name == '404.html':
-                return Template("404: {{ detail }}")
+                return engines['django'].from_string("404: {{ detail }}")
             if template_name == '403.html':
-                return Template("403: {{ detail }}")
+                return engines['django'].from_string("403: {{ detail }}")
             raise TemplateDoesNotExist(template_name)
 
         django.template.loader.get_template = get_template

tests/test_one_to_one_with_inheritance.py

@@ -5,8 +5,6 @@ from django.test import TestCase
 
 from rest_framework import serializers
 from tests.models import RESTFrameworkModel
-
-
 # Models
 from tests.test_multitable_inheritance import ChildModel
 

tests/test_relations_pk.py

@@ -6,8 +6,9 @@ from django.utils import six
 from rest_framework import serializers
 from tests.models import (
     ForeignKeySource, ForeignKeyTarget, ManyToManySource, ManyToManyTarget,
-    NullableForeignKeySource, NullableOneToOneSource, NullableUUIDForeignKeySource,
+    NullableForeignKeySource, NullableOneToOneSource,
-    OneToOnePKSource, OneToOneTarget, UUIDForeignKeyTarget
+    NullableUUIDForeignKeySource, OneToOnePKSource, OneToOneTarget,
+    UUIDForeignKeyTarget
 )
 
 

tests/urls.py

@@ -4,6 +4,7 @@ URLConf for test suite.
 We need only the docs urls for DocumentationRenderer tests.
 """
 from django.conf.urls import url
+
 from rest_framework.documentation import include_docs_urls
 
 urlpatterns = [

tests/utils.py

@@ -1,4 +1,5 @@
 from django.core.exceptions import ObjectDoesNotExist
+
 from rest_framework.compat import NoReverseMatch