pipeline

def ls():
    """Get all AYON containers."""
    containers = []
    for obj_sets in FBSystem().Scene.Sets:
        for prop in obj_sets.PropertyList:
            if prop.GetName() == "containers":
                    containers.append(obj_sets)

    for container in sorted(containers, key=attrgetter("Name")):
        yield parse_container(container)

def parse_container(container):
    """Return the container node's full container data.

    Args:
        container (str): A container node name.

    Returns:
        dict: The container schema data for this container node.

    """
    data = lib.read(container)

    # Backwards compatibility pre-schemas for containers
    data["schema"] = data.get("schema", "openpype:container-3.0")

    # Append transient data
    data["objectName"] = container.Name
    return data