def create_specifier(
self,
item: Persistence.PersistentObject,
*,
allow_partial: bool = True
) -> Persistence.PersistentObjectSpecifier:
if item.project == self and allow_partial:
return Persistence.PersistentObjectSpecifier(item=item)
else:
return Persistence.PersistentObjectSpecifier(item=item,
context=item.project)
def get_object_specifier(
object: typing.Optional[Persistence.PersistentObject],
object_type: typing.Optional[str] = None,
project: typing.Optional[Project.Project] = None
) -> typing.Optional[Persistence.PersistentDictType]:
# project is passed for testing only
if isinstance(object, DataItem.DataItem):
specifier = Persistence.PersistentObjectSpecifier(object.uuid)
specifier_uuid = specifier.item_uuid if specifier else object.uuid
d = {
"version": 1,
"type": object_type or "data_item",
"uuid": str(specifier_uuid)
}
return d
if object and object_type in ("xdata", "display_xdata", "cropped_xdata",
"cropped_display_xdata", "filter_xdata",
"filtered_xdata"):
assert isinstance(object, DisplayItem.DisplayDataChannel)
specifier = Persistence.PersistentObjectSpecifier(object.uuid)
specifier_uuid = specifier.item_uuid if specifier else object.uuid
d = {"version": 1, "type": object_type, "uuid": str(specifier_uuid)}
return d
if isinstance(object, DisplayItem.DisplayDataChannel):
# should be "data_source" but requires file format change
specifier = Persistence.PersistentObjectSpecifier(object.uuid)
specifier_uuid = specifier.item_uuid if specifier else object.uuid
d = {"version": 1, "type": "data_source", "uuid": str(specifier_uuid)}
return d
elif isinstance(object, Graphics.Graphic):
specifier = Persistence.PersistentObjectSpecifier(object.uuid)
specifier_uuid = specifier.item_uuid if specifier else object.uuid
d = {"version": 1, "type": "graphic", "uuid": str(specifier_uuid)}
return d
elif isinstance(object, DataStructure):
specifier = Persistence.PersistentObjectSpecifier(object.uuid)
specifier_uuid = specifier.item_uuid if specifier else object.uuid
d = {"version": 1, "type": "structure", "uuid": str(specifier_uuid)}
return d
elif isinstance(object, DisplayItem.DisplayItem):
specifier = Persistence.PersistentObjectSpecifier(object.uuid)
specifier_uuid = specifier.item_uuid if specifier else object.uuid
d = {"version": 1, "type": "display_item", "uuid": str(specifier_uuid)}
return d
return None
def create_specifier(
self, item: Persistence.PersistentObject
) -> Persistence.PersistentObjectSpecifier:
return Persistence.PersistentObjectSpecifier(item=item)
def item_specifier(self) -> Persistence.PersistentObjectSpecifier:
return Persistence.PersistentObjectSpecifier(item_uuid=self.uuid)
def item_specifier(self) -> Persistence.PersistentObjectSpecifier:
return Persistence.PersistentObjectSpecifier(
item_uuid=self.uuid, context_uuid=self.profile.uuid)