code: def get_mesh_id(self, shape_name: str) -> int:
      return self.mesh_ids[shape_name]
  
file_path: detectron2/projects/DensePose/densepose/data/meshes/catalog.py
imports: import logging
  from collections import UserDict
  from dataclasses import dataclass
  from typing import Iterable, Optional
  from ..utils import maybe_prepend_base_path
label_desc: Use image node_id 3 for calling the _MeshCatalog obj's underlying member method code with example usage: obj.get_mesh_id(shape_name) and returns: self