new_contents: import Metashape
  
  """
  Metashape Chunk Name Changer Script (v 1.0)
  Kent Mori, Feb 2021
  Usage:
  Workflow -> Batch Process -> Add -> Run script
  
  This script changes chunks name refering to the first image name of the chunk.
  When the image name include "_", this splits the name and join first three words.
  ex) image name: "M33333_human_CR_000" -> chunk name: "M33333_human_CR"
  
  """
  
  
  compatible_major_version = "1.8"
  found_major_version = ".".join(Metashape.app.version.split('.')[:2])
  if found_major_version != compatible_major_version:
      raise Exception("Incompatible Metashape version: {} != {}".format(found_major_version, compatible_major_version))
  
  doc = Metashape.app.document
  chunks = doc.chunks
  
  for chunk in chunks:
      camera_name = str(chunk.cameras[0].label)
      chunk_name = "_".join(camera_name.split("_")[:3])
      chunk.label = chunk_name
subject: Create change_chunk_names.py