def package_resource(_request, block_type, resource):
"""
Wrapper for `pkg_resources` that tries to access a resource and, if it
is not found, raises an Http404 error.
"""
try:
xblock_class = XBlock.load_class(block_type)
except PluginMissingError:
try:
xblock_class = XBlockAside.load_class(block_type)
except PluginMissingError:
raise Http404
try:
content = xblock_class.open_local_resource(resource)
except Exception:
raise Http404
mimetype, _ = mimetypes.guess_type(resource)
return HttpResponse(content, content_type=mimetype)
def create_aside(self, block_type, keys):
"""
The aside version of construct_xblock: take a type and key. Return an instance
"""
aside_cls = XBlockAside.load_class(block_type)
return aside_cls(runtime=self, scope_ids=keys)
def load_aside_type(self, aside_type):
"""
Returns a subclass of :class:`.XBlockAside` that corresponds to the specified `aside_type`.
"""
return XBlockAside.load_class(aside_type, select=self.select)
def create_aside(self, block_type, keys):
"""
The aside version of construct_xblock: take a type and key. Return an instance
"""
aside_cls = XBlockAside.load_class(block_type)
return aside_cls(runtime=self, scope_ids=keys)
def load_aside_type(self, aside_type):
"""
Returns a subclass of :class:`.XBlockAside` that corresponds to the specified `aside_type`.
"""
return XBlockAside.load_class(aside_type, select=self.select)
