def __init__(self, **kwargs):
request_cache_dict = DEFAULT_REQUEST_CACHE.data
store = modulestore()
services = kwargs.setdefault('services', {})
user = kwargs.get('user')
if user and user.is_authenticated:
services['completion'] = CompletionService(
user=user, context_key=kwargs.get('course_id'))
services['fs'] = xblock.reference.plugins.FSService()
services['i18n'] = ModuleI18nService
services['library_tools'] = LibraryToolsService(
store, user_id=user.id if user else None)
services['partitions'] = PartitionService(
course_id=kwargs.get('course_id'), cache=request_cache_dict)
services['settings'] = SettingsService()
services['user_tags'] = UserTagsService(self)
if badges_enabled():
services['badging'] = BadgingService(
course_id=kwargs.get('course_id'), modulestore=store)
self.request_token = kwargs.pop('request_token', None)
services['teams'] = TeamsService()
services['teams_configuration'] = TeamsConfigurationService()
services['call_to_action'] = CallToActionService()
super(LmsModuleSystem, self).__init__(**kwargs)
def _preview_module_system(request, descriptor, field_data):
"""
Returns a ModuleSystem for the specified descriptor that is specialized for
rendering module previews.
request: The active django request
descriptor: An XModuleDescriptor
"""
course_id = descriptor.location.course_key
display_name_only = (descriptor.category == 'static_tab')
replace_url_service = ReplaceURLService(course_id=course_id)
wrappers = [
# This wrapper wraps the module in the template specified above
partial(wrap_xblock,
'PreviewRuntime',
display_name_only=display_name_only,
usage_id_serializer=str,
request_token=request_token(request)),
# This wrapper replaces urls in the output that start with /static
# with the correct course-specific url for the static content
partial(replace_urls_wrapper,
replace_url_service=replace_url_service,
static_replace_only=True),
_studio_wrap_xblock,
]
wrappers_asides = [
partial(wrap_xblock_aside,
'PreviewRuntime',
usage_id_serializer=str,
request_token=request_token(request))
]
mako_service = MakoService(namespace_prefix='lms.')
if settings.FEATURES.get("LICENSING", False):
# stick the license wrapper in front
wrappers.insert(0, partial(wrap_with_license,
mako_service=mako_service))
return PreviewModuleSystem(
static_url=settings.STATIC_URL,
# TODO (cpennington): Do we want to track how instructors are using the preview problems?
track_function=lambda event_type, event: None,
get_module=partial(_load_preview_module, request),
debug=True,
mixins=settings.XBLOCK_MIXINS,
course_id=course_id,
# Set up functions to modify the fragment produced by student_view
wrappers=wrappers,
wrappers_asides=wrappers_asides,
error_descriptor_class=ErrorBlock,
# Get the raw DescriptorSystem, not the CombinedSystem
descriptor_runtime=descriptor._runtime, # pylint: disable=protected-access
services={
"field-data":
field_data,
"i18n":
ModuleI18nService,
'mako':
mako_service,
"settings":
SettingsService(),
"user":
DjangoXBlockUserService(
request.user,
anonymous_user_id='student',
user_role=get_user_role(request.user, course_id),
),
"partitions":
StudioPartitionService(course_id=course_id),
"teams_configuration":
TeamsConfigurationService(),
"sandbox":
SandboxService(contentstore=contentstore, course_id=course_id),
"cache":
CacheService(cache),
'replace_urls':
replace_url_service
},
)