manager.py 文件源码

def initialize(self, *args, **kwds):
        """Initialize the scenario tree manager.

        A scenario tree manager must be initialized before using it.
        """

        init_start_time = time.time()
        result = None
        try:
            if self._options.verbose:
                print("Initializing %s with options:"
                      % (type(self).__name__))
                self.display_options()
                print("")
            ############# derived method
            result = self._init(*args, **kwds)
            #############
            if self._options.verbose:
                print("%s is successfully initialized"
                      % (type(self).__name__))

        except:
            if not self._inside_with_block:
                print("Exception encountered. Scenario tree manager "
                      "attempting to shut down.")
                print("Original Exception:")
                traceback.print_exception(*sys.exc_info())
                self.close()
            raise

        if self._options.output_times or \
           self._options.verbose:
            print("Overall initialization time=%.2f seconds"
                  % (time.time() - init_start_time))

        # gather and report memory statistics (for leak
        # detection purposes) if specified.
        if self._options.profile_memory:
            if guppy_available:
                print(hpy().heap())
            else:
                print("Guppy module is unavailable for "
                      "memory profiling")

        self._initialized = True

        return result