code: def _gen_cache_key(op_name, inputs, init_args, call_args):
      """Creating cache key consisting of operator name, description of inputs, input arguments
      and init args. Each call arg is described by dtype, layout and dim.
      """
      return (
          op_name
          + _desc_call_args(inputs, call_args)
          + str(sorted(init_args.items()))
      )
  
imports: import sys
  from nvidia.dali import backend
  from nvidia.dali import internal
  from nvidia.dali import ops
  from nvidia.dali import tensors
  from nvidia.dali import types
  from nvidia.dali.external_source import _prep_data_for_feed_input
label_desc: Use image node_id 42 for calling a global function with example usage: _gen_cache_key(op_name, inputs, init_args, call_args) and returns: unknown