class_docstr: Show action that visualizes selected entries on an image
class_docstr_tok: ["Show","action","that","visualizes","selected","entries","on","an","image"]
code: def _get_out_fname(cls: type, entry_idx: int, fname_base: str):
      base, ext = os.path.splitext(fname_base)
      return base + ".{0:04d}".format(entry_idx) + ext
  
imports: import argparse
  import logging
  import os
  import sys
  from timeit import default_timer
  from typing import Any, ClassVar, Dict, List
  import torch
  from detectron2.data.catalog import DatasetCatalog
  from detectron2.utils.file_io import PathManager
  from detectron2.utils.logger import setup_logger
  from densepose.structures import DensePoseDataRelative
  from densepose.utils.dbhelper import EntrySelector
  from densepose.utils.logger import verbosity_to_level
  from densepose.vis.base import CompoundVisualizer
  from densepose.vis.bounding_box import BoundingBoxVisualizer
  from densepose.vis.densepose_data_points import DensePoseDataCoarseSegmentationVisualizer, DensePoseDataPointsIVisualizer, DensePoseDataPointsUVisualizer, DensePoseDataPointsVisualizer, DensePoseDataPointsVVisualizer
label_desc: Use image node_id 4 for calling the ShowAction obj's underlying member method code with example usage: obj._get_out_fname(cls, entry_idx, fname_base) and returns: unknown