Move fields.py, inheritance.py, and partitions to openedx/core.

cms/djangoapps/contentstore/views/course.py

@@ -69,6 +69,7 @@ from openedx.core.djangoapps.self_paced.models import SelfPacedConfiguration
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
 from openedx.core.lib.course_tabs import CourseTabPluginManager
 from openedx.core.lib.courses import course_image_url
+from openedx.core.lib.xblock_fields.inherited_fields import DEFAULT_START_DATE
 from openedx.core.djangolib.js_utils import dump_js_escaped_json
 from student import auth
 from student.auth import has_course_author_access, has_studio_write_access, has_studio_read_access
@@ -93,7 +94,6 @@ from util.string_utils import _has_non_ascii_characters
 from xblock_django.api import deprecated_xblocks
 from xmodule.contentstore.content import StaticContent
 from xmodule.course_module import CourseFields
-from xmodule.course_module import DEFAULT_START_DATE
 from xmodule.error_module import ErrorDescriptor
 from xmodule.modulestore import EdxJSONEncoder
 from xmodule.modulestore.django import modulestore

cms/djangoapps/contentstore/views/item.py

@@ -38,16 +38,16 @@ from contentstore.views.helpers import is_unit, xblock_studio_url, xblock_primar
 from contentstore.views.preview import get_preview_fragment
 from contentstore.utils import is_self_paced
 
-from openedx.core.lib.gating import api as gating_api
 from edxmako.shortcuts import render_to_string
 from models.settings.course_grading import CourseGradingModel
+from openedx.core.lib.gating import api as gating_api
 from openedx.core.lib.xblock_utils import wrap_xblock, request_token
+from openedx.core.lib.xblock_fields.inherited_fields import DEFAULT_START_DATE
 from static_replace import replace_static_urls
 from student.auth import has_studio_write_access, has_studio_read_access
 from util.date_utils import get_default_time_display
 from util.json_request import expect_json, JsonResponse
 from util.milestones_helpers import is_entrance_exams_enabled
-from xmodule.course_module import DEFAULT_START_DATE
 from xmodule.modulestore import ModuleStoreEnum, EdxJSONEncoder
 from xmodule.modulestore.django import modulestore
 from xmodule.modulestore.draft_and_published import DIRECT_ONLY_CATEGORIES

cms/djangoapps/contentstore/views/preview.py

@@ -13,11 +13,11 @@ from edxmako.shortcuts import render_to_string
 from openedx.core.lib.xblock_utils import (
     replace_static_urls, wrap_xblock, wrap_fragment, wrap_xblock_aside, request_token, xblock_local_resource_url,
 )
+from openedx.core.lib.partitions.partitions_service import PartitionService
 from xmodule.x_module import PREVIEW_VIEWS, STUDENT_VIEW, AUTHOR_VIEW
 from xmodule.contentstore.django import contentstore
 from xmodule.error_module import ErrorDescriptor
 from xmodule.exceptions import NotFoundError, ProcessingError
-from xmodule.partitions.partitions_service import PartitionService
 from xmodule.studio_editable import has_author_view
 from xmodule.services import SettingsService
 from xmodule.modulestore.django import modulestore, ModuleI18nService

cms/djangoapps/contentstore/views/tests/test_group_configurations.py

@@ -10,7 +10,7 @@ from mock import patch
 from contentstore.utils import reverse_course_url, reverse_usage_url
 from contentstore.course_group_config import GroupConfiguration, CONTENT_GROUP_CONFIGURATION_NAME
 from contentstore.tests.utils import CourseTestCase
-from xmodule.partitions.partitions import Group, UserPartition
+from openedx.core.lib.partitions.partitions import Group, UserPartition
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 from xmodule.validation import StudioValidation, StudioValidationMessage
 from xmodule.modulestore.django import modulestore

cms/djangoapps/contentstore/views/tests/test_item.py

@@ -16,7 +16,13 @@ from django.core.urlresolvers import reverse
 from contentstore.utils import reverse_usage_url, reverse_course_url
 
 from opaque_keys import InvalidKeyError
+from opaque_keys.edx.keys import UsageKey, CourseKey
+from opaque_keys.edx.locations import Location
 from openedx.core.djangoapps.self_paced.models import SelfPacedConfiguration
+from openedx.core.lib.partitions.partitions import (
+    Group, UserPartition, ENROLLMENT_TRACK_PARTITION_ID, MINIMUM_STATIC_PARTITION_ID
+)
+from openedx.core.lib.xblock_fields.inherited_fields import DEFAULT_START_DATE
 from contentstore.views.component import (
     component_handler, get_component_templates
 )
@@ -35,7 +41,6 @@ from xmodule.modulestore.exceptions import ItemNotFoundError
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, TEST_DATA_SPLIT_MODULESTORE
 from xmodule.modulestore.tests.factories import ItemFactory, LibraryFactory, check_mongo_calls, CourseFactory
 from xmodule.x_module import STUDIO_VIEW, STUDENT_VIEW
-from xmodule.course_module import DEFAULT_START_DATE
 from xblock.core import XBlockAside
 from xblock.fields import Scope, String, ScopeIds
 from xblock.fragment import Fragment
@@ -43,11 +48,6 @@ from xblock.runtime import DictKeyValueStore, KvsFieldData
 from xblock.test.tools import TestRuntime
 from xblock.exceptions import NoSuchHandlerError
 from xblock_django.user_service import DjangoXBlockUserService
-from opaque_keys.edx.keys import UsageKey, CourseKey
-from opaque_keys.edx.locations import Location
-from xmodule.partitions.partitions import (
-    Group, UserPartition, ENROLLMENT_TRACK_PARTITION_ID, MINIMUM_STATIC_PARTITION_ID
-)
 
 
 class AsideTest(XBlockAside):