def setup_logging(fsm_obj, events=(), actions=(), force=False):
"""
"""
def report(*p):
print " ".join(p)
def s_report(evt, *p):
print evt.state_name, " ".join(p)
# states...
for e in events:
event.bind(getattr(fsm_obj, e), rcurry(s_report, "..."))
# TODO move this to the aspect module...
# NOTE: this will log only explicit external (through the object)
# method access....
def wrap_meth(obj, meth_name, pre=None, post=None, force=False):
"""
"""
if not force and meth_name in vars(obj):
raise TypeError, "will not overwrite object data."
def wrapper(*p, **n):
"""
"""
if pre != None:
pre(obj, meth_name, *p, **n)
res = getattr(super(obj.__class__, obj), meth_name)(*p, **n)
if post != None:
return post(obj, meth_name, res, *p, **n)
return res
setattr(obj, meth_name, wrapper)
# actions...
for m in actions:
wrap_meth(fsm_obj, m, pre=lambda obj, meth, *p, **n: report("\n-->", meth, *[str(i) for i in p]), force=force)
fsm.transition(A, C, mode=fsm.MANUAL) fsm.transition(B, C, condition=pred_B2C) fsm.transition(B, B, condition=pred_B2B) print 'creating an fsm instance...' mfsm = FSM() print print 'preparing events:' print 'defining handler...' def f(evt): print ' ****', evt.__class__.__name__, ':', evt.state_name print 'binding events...' event.bind(mfsm.onEnterA, f) event.bind(mfsm.onExitA, f) event.bind(mfsm.onEnterB, f) event.bind(mfsm.onExitB, f) event.bind(mfsm.onEnterC, f) event.bind(mfsm.onExitC, f) print # start the FSM... if mfsm.__auto_change_state__: print 'starting the fsm...' # NOTE: if we did not have (or would not reach) a terminal # state this will never exit... mfsm.start()
def start(self): ''' start work... ''' print 'starting:', self event.bind(onPing, self.handler)
