bpy_extras submodule (bpy_extras.id_map_utils)
- bpy_extras.id_map_utils.get_id_reference_map()
Return a dictionary of direct datablock references for every datablock in the blend file.
- bpy_extras.id_map_utils.get_all_referenced_ids(id, ref_map)
Return a set of IDs directly or indirectly referenced by id.