code: def set_profiler_attr(func: object, set_attr: str, handler: Callable):
      """Sets handler for profiler: scheduler or trace export."""
      assert set_attr in [
          "on_trace_ready",
          "schedule",
      ], "Needs to be a callable profiler attribute."
  
      if (
          func is None
      ):  # Polymorph: not used as decorator; func is used as e.g.: trace_export()
          return handler
      elif callable(
          func
      ):  # Polymorph: decorates a decorator of function/class constructor
  
          @wraps(func)
          def wrapper(*args, **kwargs):
              """Wrapper implementation."""
              if "__call__" not in dir(
                  func
              ):  # Decorator for class constructor (directly)
                  result = func(*args, **kwargs)
                  setattr(result.profiler, set_attr, handler)
                  return result  # not tested
              else:  # Return as additional argument.
                  kwargs[set_attr] = handler
                  return func(*args, **kwargs)
  
          return wrapper
      else:  # Polymorph: func is assumed to be an instance of speechbrain.core.Brain
          # No return: in-place edit
          if hasattr(func, "profiler"):
              if func.profiler is profiler.profile:
                  setattr(func.profiler, set_attr, handler)
  
file_path: speechbrain/speechbrain/utils/profiling.py
imports: import numpy
  from copy import deepcopy
  from torch import profiler
  from functools import wraps
  from typing import Any, Callable, Iterable, Optional
label_desc: Use image node_id 1 for calling a global function with example usage: set_profiler_attr(func, set_attr, handler) and returns: handler, wrapper, result, func