Move LicenseMixin and accompanying code to openedx/core/lib.

cms/djangoapps/contentstore/views/preview.py

@@ -15,6 +15,7 @@ from django.utils.translation import ugettext as _
 from edxmako.shortcuts import render_to_string
 from lms.djangoapps.lms_xblock.field_data import LmsFieldData
 from opaque_keys.edx.keys import UsageKey
+from openedx.core.lib.license import wrap_with_license
 from openedx.core.lib.partitions.partitions_service import PartitionService
 from openedx.core.lib.xblock_utils import (
     replace_static_urls,
@@ -34,7 +35,6 @@ from xblock_django.user_service import DjangoXBlockUserService
 from xmodule.contentstore.django import contentstore
 from xmodule.error_module import ErrorDescriptor
 from xmodule.exceptions import NotFoundError, ProcessingError
-from xmodule.mixin import wrap_with_license
 from xmodule.modulestore.django import ModuleI18nService, modulestore
 from xmodule.services import SettingsService
 from xmodule.studio_editable import has_author_view

cms/envs/common.py

@@ -106,7 +106,7 @@ from lms.djangoapps.lms_xblock.mixin import LmsBlockMixin
 from cms.lib.xblock.authoring_mixin import AuthoringMixin
 import dealer.git
 from xmodule.modulestore.edit_info import EditInfoMixin
-from xmodule.mixin import LicenseMixin
+from openedx.core.lib.license import LicenseMixin
 
 ############################ FEATURE CONFIGURATION #############################
 
@@ -280,6 +280,7 @@ MAKO_TEMPLATES['main'] = [
     COMMON_ROOT / 'static',  # required to statically include common Underscore templates
     OPENEDX_ROOT / 'core' / 'djangoapps' / 'cors_csrf' / 'templates',
     OPENEDX_ROOT / 'core' / 'djangoapps' / 'dark_lang' / 'templates',
+    OPENEDX_ROOT / 'core' / 'lib' / 'license' / 'templates',
     CMS_ROOT / 'djangoapps' / 'pipeline_js' / 'templates',
 ]
 

common/lib/xmodule/xmodule/course_module.py

@@ -16,7 +16,7 @@ from pytz import utc
 from xblock.fields import Boolean, Dict, Float, Integer, List, Scope, String
 from xmodule import course_metadata_utils
 from xmodule.graders import grader_from_conf
-from xmodule.mixin import LicenseMixin
+from openedx.core.lib.license import LicenseMixin
 from xmodule.seq_module import SequenceDescriptor, SequenceModule
 from xmodule.tabs import CourseTabList, InvalidTabsException
 

common/lib/xmodule/xmodule/video_module/video_module.py

@@ -46,7 +46,7 @@ from .video_xfields import VideoFields
 from .video_handlers import VideoStudentViewHandlers, VideoStudioViewHandlers
 
 from xmodule.video_module import manage_video_subtitles_save
-from xmodule.mixin import LicenseMixin
+from openedx.core.lib.license import LicenseMixin
 
 # The following import/except block for edxval is temporary measure until
 # edxval is a proper XBlock Runtime Service.

lms/djangoapps/courseware/module_render.py

@@ -76,7 +76,7 @@ from xmodule.contentstore.django import contentstore
 from xmodule.error_module import ErrorDescriptor, NonStaffErrorDescriptor
 from xmodule.exceptions import NotFoundError, ProcessingError
 from xmodule.lti_module import LTIModule
-from xmodule.mixin import wrap_with_license
+from openedx.core.lib.license import wrap_with_license
 from xmodule.modulestore.django import modulestore
 from xmodule.modulestore.exceptions import ItemNotFoundError
 from xmodule.x_module import XModuleDescriptor

lms/envs/common.py

@@ -40,7 +40,7 @@ from django.utils.translation import ugettext_lazy as _
 from .discussionsettings import *
 from xmodule.modulestore.modulestore_settings import update_module_store_settings
 from xmodule.modulestore.edit_info import EditInfoMixin
-from xmodule.mixin import LicenseMixin
+from openedx.core.lib.license import LicenseMixin
 from lms.djangoapps.lms_xblock.mixin import LmsBlockMixin
 
 ################################### FEATURES ###################################
@@ -502,6 +502,7 @@ MAKO_TEMPLATES['main'] = [
     COMMON_ROOT / 'djangoapps' / 'pipeline_mako' / 'templates',
     OPENEDX_ROOT / 'core' / 'djangoapps' / 'cors_csrf' / 'templates',
     OPENEDX_ROOT / 'core' / 'djangoapps' / 'dark_lang' / 'templates',
+    OPENEDX_ROOT / 'core' / 'lib' / 'license' / 'templates',
 ]
 
 # Django templating

openedx/core/lib/license/__init__.py

+from .wrapper import wrap_with_license
+from .mixin import LicenseMixin

common/lib/xmodule/xmodule/mixin.py → openedx/core/lib/license/mixin.py

 """
-Reusable mixins for XBlocks and/or XModules
+License mixin for XBlocks and XModules
 """
 from xblock.fields import Scope, String, XBlockMixin
 
@@ -51,14 +51,3 @@ class LicenseMixin(XBlockMixin):
         """
         if getattr(self, "license", default):
             node.set('license', self.license)
-
-
-def wrap_with_license(block, view, frag, context):  # pylint: disable=unused-argument
-    """
-    In the LMS, display the custom license underneath the XBlock.
-    """
-    license = getattr(block, "license", None)  # pylint: disable=redefined-builtin
-    if license:
-        context = {"license": license}
-        frag.content += block.runtime.render_template('license_wrapper.html', context)
-    return frag

openedx/core/lib/license/wrapper.py

+"""
+Code to wrap web fragments with a license.
+"""
+
+
+def wrap_with_license(block, view, frag, context):  # pylint: disable=unused-argument
+    """
+    In the LMS, display the custom license underneath the XBlock.
+    """
+    license = getattr(block, "license", None)  # pylint: disable=redefined-builtin
+    if license:
+        context = {"license": license}
+        frag.content += block.runtime.render_template('license_wrapper.html', context)
+    return frag