Remove some compatility layers for django 1.6

Author: patrick91

graphene_django/compat.py

@@ -1,32 +1,14 @@
-from django.db import models
-
-
 class MissingType(object):
     pass
 
 
-try:
-    DurationField = models.DurationField
-    UUIDField = models.UUIDField
-except AttributeError:
-    # Improved compatibility for Django 1.6
-    DurationField = MissingType
-    UUIDField = MissingType
-
 try:
     from django.db.models.related import RelatedObject
 except:
     # Improved compatibility for Django 1.6
     RelatedObject = MissingType
 
 
-try:
-    # Postgres fields are only available in Django 1.8+
-    from django.contrib.postgres.fields import ArrayField, HStoreField, RangeField
-except ImportError:
-    ArrayField, HStoreField, JSONField, RangeField = (MissingType, ) * 4
-
-
 try:
     # Postgres fields are only available in Django 1.9+
     from django.contrib.postgres.fields import JSONField

graphene_django/converter.py

@@ -1,5 +1,6 @@
 from django.db import models
 from django.utils.encoding import force_text
+from django.contrib.postgres.fields import ArrayField, HStoreField, RangeField
 
 from graphene import (ID, Boolean, Dynamic, Enum, Field, Float, Int, List,
                       NonNull, String)
@@ -9,8 +10,8 @@
 from graphene.utils.str_converters import to_camel_case, to_const
 from graphql import assert_valid_name
 
-from .compat import (ArrayField, HStoreField, JSONField, RangeField,
-                     RelatedObject, UUIDField, DurationField)
+
+from .compat import JSONField, RelatedObject
 from .fields import get_connection_field, DjangoListField
 from .utils import get_related_model, import_single_dispatch
 
@@ -80,7 +81,7 @@ def convert_field_to_string(field, registry=None):
 
 
 @convert_django_field.register(models.AutoField)
-@convert_django_field.register(UUIDField)
+@convert_django_field.register(models.UUIDField)
 def convert_field_to_id(field, registry=None):
     return ID(description=field.help_text, required=not field.null)
 
@@ -106,7 +107,7 @@ def convert_field_to_nullboolean(field, registry=None):
 
 @convert_django_field.register(models.DecimalField)
 @convert_django_field.register(models.FloatField)
-@convert_django_field.register(DurationField)
+@convert_django_field.register(models.DurationField)
 def convert_field_to_float(field, registry=None):
     return Float(description=field.help_text, required=not field.null)
 

graphene_django/debug/tests/test_query.py

@@ -3,7 +3,6 @@
 import graphene
 from graphene.relay import Node
 from graphene_django import DjangoConnectionField, DjangoObjectType
-from graphene_django.utils import DJANGO_FILTER_INSTALLED
 
 from ...tests.models import Reporter
 from ..middleware import DjangoDebugMiddleware
@@ -167,8 +166,6 @@ def resolve_all_reporters(self, *args, **kwargs):
     assert result.data['__debug']['sql'][1]['rawSql'] == query
 
 
-@pytest.mark.skipif(not DJANGO_FILTER_INSTALLED,
-                    reason="requires django-filter")
 def test_should_query_connectionfilter():
     from ...filter import DjangoFilterConnectionField
 

graphene_django/tests/test_converter.py

@@ -1,15 +1,16 @@
 import pytest
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
+from django.contrib.postgres.fields import ArrayField, HStoreField, RangeField
+
 from py.test import raises
 
 import graphene
 from graphene.relay import ConnectionField, Node
 from graphene.types.datetime import DateTime, Time
 from graphene.types.json import JSONString
 
-from ..compat import (ArrayField, HStoreField, JSONField, MissingType,
-                      RangeField, UUIDField, DurationField)
+from ..compat import JSONField, RelatedObject
 from ..converter import convert_django_field, convert_django_field_with_choices
 from ..registry import Registry
 from ..types import DjangoObjectType
@@ -84,14 +85,12 @@ def test_should_auto_convert_id():
     assert_conversion(models.AutoField, graphene.ID, primary_key=True)
 
 
-@pytest.mark.skipif(UUIDField == MissingType, reason="requires Django UUIDField")
 def test_should_auto_convert_id():
-    assert_conversion(UUIDField, graphene.ID)
+    assert_conversion(models.UUIDField, graphene.ID)
 
 
-@pytest.mark.skipif(DurationField == MissingType, reason="requires Django DurationField")
 def test_should_auto_convert_duration():
-    assert_conversion(DurationField, graphene.Float)
+    assert_conversion(models.DurationField, graphene.Float)
 
 
 def test_should_positive_integer_convert_int():

graphene_django/utils.py

@@ -3,8 +3,6 @@
 from django.db import models
 from django.db.models.manager import Manager
 
-from .compat import RelatedObject
-
 
 # from graphene.utils import LazyList
 
@@ -13,25 +11,16 @@ class LazyList(object):
     pass
 
 
-try:
-    import django_filters  # noqa
-    DJANGO_FILTER_INSTALLED = True
-except (ImportError, AttributeError):
-    # AtributeError raised if DjangoFilters installed with a incompatible Django Version
-    DJANGO_FILTER_INSTALLED = False
+import django_filters  # noqa
+DJANGO_FILTER_INSTALLED = True
 
 
 def get_reverse_fields(model):
     for name, attr in model.__dict__.items():
         # Django =>1.9 uses 'rel', django <1.9 uses 'related'
         related = getattr(attr, 'rel', None) or \
             getattr(attr, 'related', None)
-        if isinstance(related, RelatedObject):
-            # Hack for making it compatible with Django 1.6
-            new_related = RelatedObject(related.parent_model, related.model, related.field)
-            new_related.name = name
-            yield (name, new_related)
-        elif isinstance(related, models.ManyToOneRel):
+        if isinstance(related, models.ManyToOneRel):
             yield (name, related)
         elif isinstance(related, models.ManyToManyRel) and not related.symmetrical:
             yield (name, related)