code: def transform_handler(ctx, param, value):
      """Get transform value from a template file or command line."""
      retval = options.from_like_context(ctx, param, value)
      if retval is None and value:
          try:
              value = json.loads(value)
          except ValueError:
              pass
          try:
              retval = guard_transform(value)
          except Exception:
              raise click.BadParameter(
                  "'%s' is not recognized as an Affine array." % value,
                  param=param,
                  param_hint="transform",
              )
      return retval
  
file_path: rasterio/rasterio/rio/edit_info.py
imports: import json
  import warnings
  import click
  import rasterio
  import rasterio.crs
  from rasterio.crs import CRS
  from rasterio.dtypes import in_dtype_range
  from rasterio.enums import ColorInterp
  from rasterio.errors import CRSError
  from rasterio.rio import options
  from rasterio.transform import guard_transform
label_desc: Use image node_id 4 for calling a global function with example usage: transform_handler(ctx, param, value) and returns: retval