code: def __init__(self, verbose: bool = True) -> None:
      super().__init__()
      self.verbose = verbose
      self.timer = time.time()
      self.metrics_log_path: Optional[str] = None
  
imports: import os
  import json
  import time
  import shutil
  import getpass
  import platform
  from typing import Any
  from typing import Dict
  from typing import Optional
  from cftool.misc import lock_manager
  from cftool.misc import print_warning
  from cftool.misc import fix_float_to_length
  from ..schema import ITrainer
  from ..schema import StepOutputs
  from ..schema import TrainerState
  from ..schema import MetricsOutputs
  from ..schema import TrainerCallback
  from ..constants import PT_PREFIX
  from ..constants import SCORES_FILE
label_desc: Use image node_id 1 to create a new _LogMetricsMsgCallback object from inherited base classes: TrainerCallback with example: obj = _LogMetricsMsgCallback(verbose)