hsmbase.py 文件源码

def goto(self, rTarget, **kwargs):

    if callable(rTarget) is False:
      rTarget = self.registry[rTarget]

    if( "payload" in kwargs ):
      self.tEvt['payload'] = kwargs['payload']

    """Transition to a new state (Cached Version)"""
    caller = inspect.stack()[1][3]  # hsm could be calling its super states
                                    # we aren't tracking this in this, so we can
                                    # just reference the call stack to find who
                                    # discovered the event
    #print "\nCurrent state: ", self.rCurr; print "Source state: ", self.rSource
    self.__spy__(caller, self.tEvt['event'], self.tEvt['payload'])

    # this is how you see the target
    if self.rCurr['toLcaCache'].get(self.tEvt['event'], None) == None:
      self.rCurr['toLcaCache'][self.tEvt['event']] = \
          self.to_lca(self.hsm_dict[rTarget])
    # self.pp.pprint(self.rCurr); print
    self.exit(self.rCurr['toLcaCache'][self.tEvt['event']])
    self.rNext = self.hsm_dict[rTarget]