instrumentation_tracing.py 文件源码

def no_tracing(f):
  @functools.wraps(f)
  def wrapper(*args, **kwargs):
    trace_func = sys.gettrace()
    try:
      sys.settrace(None)
      threading.settrace(None)
      return f(*args, **kwargs)
    finally:
      sys.settrace(trace_func)
      threading.settrace(trace_func)
  return wrapper