Pull XModule attributes out into a mixin that can be applied to xblocks

cms/envs/common.py

@@ -31,6 +31,7 @@
 from lms.xblock.mixin import LmsBlockMixin
 from cms.xmodule_namespace import CmsBlockMixin
 from xmodule.modulestore.inheritance import InheritanceMixin
+from xmodule.x_module import XModuleMixin
 
 ############################ FEATURE CONFIGURATION #############################
 
@@ -168,7 +169,7 @@
 
 # This should be moved into an XBlock Runtime/Application object
 # once the responsibility of XBlock creation is moved out of modulestore - cpennington
-XBLOCK_MIXINS = (LmsBlockMixin, CmsBlockMixin, InheritanceMixin)
+XBLOCK_MIXINS = (LmsBlockMixin, CmsBlockMixin, InheritanceMixin, XModuleMixin)
 
 
 ############################ SIGNAL HANDLERS ################################

common/lib/xmodule/xmodule/modulestore/split_mongo/split.py

@@ -43,8 +43,6 @@
 #==============================================================================
 
 
-
-
 class SplitMongoModuleStore(ModuleStoreBase):
     """
     A Mongodb backed ModuleStore supporting versions, inheritance,

common/lib/xmodule/xmodule/modulestore/tests/test_split_modulestore.py

@@ -15,6 +15,7 @@
     DuplicateItemError
 from xmodule.modulestore.locator import CourseLocator, BlockUsageLocator, VersionTree, DescriptionLocator
 from xmodule.modulestore.inheritance import InheritanceMixin
+from xmodule.x_module import XModuleMixin
 from pytz import UTC
 from path import path
 import re
@@ -34,7 +35,7 @@ class SplitModuleTest(unittest.TestCase):
         'db': 'test_xmodule',
         'collection': 'modulestore{0}'.format(uuid.uuid4().hex),
         'fs_root': '',
-        'xblock_mixins': (InheritanceMixin,)
+        'xblock_mixins': (InheritanceMixin, XModuleMixin)
     }
 
     MODULESTORE = {

common/lib/xmodule/xmodule/tests/__init__.py

@@ -11,15 +11,11 @@
 import os
 import unittest
 
-import fs
-import fs.osfs
-import numpy
 from mock import Mock
 from path import path
 
-import calc
 from xblock.field_data import DictFieldData
-from xmodule.x_module import ModuleSystem, XModuleDescriptor, DescriptorSystem
+from xmodule.x_module import ModuleSystem, XModuleDescriptor, XModuleMixin
 from xmodule.modulestore.inheritance import InheritanceMixin
 from xmodule.mako_module import MakoDescriptorSystem
 
@@ -81,7 +77,7 @@ def get_test_descriptor_system():
         resources_fs=Mock(),
         error_tracker=Mock(),
         render_template=lambda template, context: repr(context),
-        mixins=(InheritanceMixin,),
+        mixins=(InheritanceMixin, XModuleMixin),
     )
 
 

common/lib/xmodule/xmodule/tests/test_import.py

@@ -13,6 +13,7 @@
 from xmodule.modulestore import Location
 from xmodule.modulestore.xml import ImportSystem, XMLModuleStore
 from xmodule.modulestore.inheritance import compute_inherited_metadata
+from xmodule.x_module import XModuleMixin
 from xmodule.fields import Date
 from xmodule.tests import DATA_DIR
 from xmodule.modulestore.inheritance import InheritanceMixin
@@ -42,7 +43,7 @@ def __init__(self, load_error_modules):
             error_tracker=error_tracker,
             parent_tracker=parent_tracker,
             load_error_modules=load_error_modules,
-            mixins=(InheritanceMixin,)
+            mixins=(InheritanceMixin, XModuleMixin)
         )
 
     def render_template(self, _template, _context):

common/lib/xmodule/xmodule/tests/test_xml_module.py

@@ -12,10 +12,10 @@
 
 from xmodule.fields import Date, Timedelta
 from xmodule.modulestore.inheritance import InheritanceKeyValueStore, InheritanceMixin
-from xmodule.x_module import XModuleFields
 from xmodule.xml_module import XmlDescriptor, serialize_field, deserialize_field
 from xmodule.course_module import CourseDescriptor
 from xmodule.seq_module import SequenceDescriptor
+from xmodule.x_module import XModuleMixin
 
 from xmodule.tests import get_test_descriptor_system
 from xmodule.tests.xml import XModuleXmlImportTest
@@ -65,15 +65,15 @@ def test_display_name_field(self):
         # Also tests that xml_attributes is filtered out of XmlDescriptor.
         self.assertEqual(1, len(editable_fields), editable_fields)
         self.assert_field_values(
-            editable_fields, 'display_name', XModuleFields.display_name,
+            editable_fields, 'display_name', XModuleMixin.display_name,
             explicitly_set=False, value=None, default_value=None
         )
 
     def test_override_default(self):
         # Tests that explicitly_set is correct when a value overrides the default (not inheritable).
         editable_fields = self.get_xml_editable_fields(DictFieldData({'display_name': 'foo'}))
         self.assert_field_values(
-            editable_fields, 'display_name', XModuleFields.display_name,
+            editable_fields, 'display_name', XModuleMixin.display_name,
             explicitly_set=True, value='foo', default_value=None
         )