text: import os
  import typing
  from pathlib import Path
  
  USER_DIR = Path(os.path.expanduser("~"))
  DEFAULT_WARN_TRANSFORMER_OUTPUT_DIR = USER_DIR / ".warn-transformer"
  
  WARN_TRANSFORMER_OUTPUT_DIR = Path(
      os.environ.get("WARN_TRANSFORMER_OUTPUT_DIR", DEFAULT_WARN_TRANSFORMER_OUTPUT_DIR)
  )
  
  
  def get_all_transformers() -> typing.List[str]:
      """Get all the states and territories that have scrapers.
  
      Returns: List of lower-case post abbreviations.
      """
      this_dir = Path(__file__).parent
      transformers_dir = this_dir / "transformers"
      return sorted(
          p.stem for p in transformers_dir.glob("*.py") if "__init__.py" not in str(p)
      )
  