class DeamonObj:
   "Deamon class"
#
   def dmnSet(self, timer, interval, method):
         # include info as tuple into timer list
      self.timerList.append((timer,interval,method))
         # call kernel function that sets 'timer' to
         #   execute 'method(self)' at specific 'interval' time
      print 'setting timer ' + timer
#
   def dmnStart(self, timer):
         # call kernel function that starts 'timer'
      print 'starting timer ' + timer
#
   def dmnStop(self, timer):
         # call kernel function that stops 'timer'
      print 'stopping timer ' + timer
#
   def dmnReset(self, timer):
         # call kernel function that resets 'timer'
      print 'reseting timer ' + timer
#
   def dmnLeft(self, timer):
         # call kernel function that tells how much time 
         #  has 'timer' to next activation
      print 'checking remaining time of ' + timer
      return 0
#
# Applies timer's method to all linked objects
#
   def dmnTrigger(self, timer):
      found = 0
      for tmr in self.timerList:          # find timer
         if timer == tmr[0]:
            found = 1
            break
      if found == 1:
         for obj in self.linkedObjs:
            tmr[2](obj)                   # execute method
#
# Links an object to Deamon
#
   def dmnLink(self, obj):
      self.linkedObjs.append(obj)
#
# Removes an object from Deamon
#
   def dmnSplit(self, obj):
      self.linkedObjs.remove(obj)
#
# Shows what objects are linked to Deamon
#
   def dmnList(self, obj):
      return self.linkedObjs
#
   def __init__(self):
      self.timerList = []
      self.linkedObjs = []

#############################################

def applyWound( obj ):
   if obj.__class__ == SomeObj:
      x = obj.energy = obj.energy - 20
      print 'take energy of ' + obj.name + ' which current energy is %(x)d' % vars()

def applyHeal( obj ):
   if obj.__class__ == SomeObj:
      x = obj.energy = obj.energy + 100
      print 'give energy to ' + obj.name + ' which current energy is %(x)d' % vars()

class SomeObj:
   def __init__(self, name, energy):
      self.name = name
      self.energy = energy

a = SomeObj('obj a', 300)
b = SomeObj('obj b', 1000)
c = SomeObj('obj c', 3200)
x = DeamonObj()

print '='*40
x.dmnSet('wound', 200, applyWound)
x.dmnSet('heal', 200, applyHeal)

x.dmnLink(a)
x.dmnLink(b)
x.dmnLink(c)

x.dmnTrigger('wound')
x.dmnSplit(c)
x.dmnTrigger('wound')
x.dmnTrigger('heal')