bpy_extras submodule (bpy_extras.id_map_utils)

bpy_extras.id_map_utils.get_id_reference_map()

Return a dictionary of direct data-block references for every data-block in the blend file.

return:

Each datablock of the .blend file mapped to the set of IDs they directly reference.

rtype:

dict[bpy.types.ID, set[bpy.types.ID]]

bpy_extras.id_map_utils.get_all_referenced_ids(id, ref_map)

Return a set of IDs directly or indirectly referenced by id.

Parameters:

• id (bpy.types.ID) – Datablock whose references we’re interested in.

• ref_map (dict[bpy.types.ID, set[bpy.types.ID]]) – The global ID reference map, retrieved from get_id_reference_map()

Returns:

Set of datablocks referenced by id.

Return type:

set[bpy.types.ID]