code: def load_tool(result):
      
      def load_tool_module(tool_module):
          if not tool_module:
              logging.warning('Cannot extract values from log files for benchmark results %s '
                              '(missing attribute "toolmodule" on tag "result").',
                              Util.prettylist(result.attributes['name']))
              return None
          try:
              logging.debug('Loading %s', tool_module)
              return __import__(tool_module, fromlist=['Tool']).Tool()
          except ImportError as ie:
              logging.warning(
                  'Missing module "%s", cannot extract values from log files (ImportError: %s).',
                  tool_module, ie)
          except AttributeError:
              logging.warning(
                  'The module "%s" does not define the necessary class Tool, '
                  'cannot extract values from log files.',
                  tool_module)
          return None
  
      tool_module = result.attributes['toolmodule'][0] if 'toolmodule' in result.attributes else None
      if tool_module in loaded_tools:
          return loaded_tools[tool_module]
      else:
          result = load_tool_module(tool_module)
          loaded_tools[tool_module] = result
          return result
docs: Load the module with the tool-specific code.