def object_data_generator(obj, attrs=dict()):
yield ('objectType', lambda: self.object_type_map[obj.type])
yield ('objectID', lambda: obj.oid)
yield ('objectName', lambda: obj.name)
yield ('parentURI', lambda: obj.__parent__.__name__)
yield ('parentID', lambda: (obj.__parent__.oid
if (not IRootContainer.providedBy(obj)
and not ISystemCapability.providedBy(obj))
else None))
yield ('completionStatus', lambda: 'Complete') # TODO: report errors / incomplete status
if IStorageContainer.providedBy(obj) or IDataObject.providedBy(obj):
yield ('metadata', lambda: dict(obj.metadata))
if isinstance(obj, ObjectIdContainer):
yield ('children', lambda: [(child.oid if IInStorageContainer.providedBy(child)
else child.__name__) for child in obj.listcontent()])
yield ('childrenrange', lambda: '0-%d' % len(obj.listcontent()))
elif IStorageContainer.providedBy(obj):
yield ('children', lambda: [(child.name if IDataObject.providedBy(child)
else child.__name__) for child in obj.listcontent()])
yield ('childrenrange', lambda: '0-%d' % len(obj.listcontent()))
elif IDataObject.providedBy(obj) and render_value:
# NOTE: 'value' attribute name is mandated by the specification
if 'value' in attrs:
begin, end = (int(v) for v in attrs['value'])
else:
begin = 0
end = None
yield ('value', lambda: get_data(obj, begin=begin, end=end))
yield ('valuetransferencoding', lambda: 'base64')
elif ISystemCapability.providedBy(obj):
yield ('children', lambda: [])
yield ('childrenrange', lambda: '0-0'),
yield ('capabilities', lambda: current_capabilities.system)
def render_delete(self, request):
name = unicode(parse_path(request.path)[-1])
existing_object = self.context.__parent__[name]
if existing_object:
log.debug('Deleting %s', self.context)
# are we deleting a container?
if IStorageContainer.providedBy(self.context):
# check children
children = [child for child in self.context.listcontent() if
IDataObject.providedBy(child) or
IStorageContainer.providedBy(child)]
if len(children) > 0:
raise BadRequest('Attempt to delete a non-empty container')
else:
# XXX: Alternative authentication methods!
credentials = request.getHeader('X-Auth-Token')
storemgr = getAdapter(self.context, IDataStoreFactory).create()
storemgr.delete(credentials)
del self.context.__parent__[name]
handle(self.context, ModelDeletedEvent(self.context.__parent__))
else:
raise NotFound
