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Python State-Machine library

Project description

Easy State-Machine for python

from easystate import * import time SPEED = 1

class Starting(State):
def eval(self):

print ‘Starting’ time.sleep(SPEED)

def on_start(self,e):

print “Hello”

def on_finish(self,e):


class Listening(State):

def eval(self):

print ‘Listening’ time.sleep(SPEED) self.raiseEvent(“connect”)

def on_start(self,e):

print “Preparing for listening”

def on_connect(self,e):


class Negotiation(State):
def eval(self):

print ‘checking validity’ time.sleep(SPEED) print ‘authenticating’ time.sleep(SPEED) print ‘registering’ self.transition(“Connected”)

def on_start(self,e):

print ‘Negotiating’

class Connected(State):
def eval(self):

print ‘Connected’

def on_finish(self,e):


m = StateMachine(initialState=”Starting”) m.appendState(Starting()) m.appendState(Listening()) m.appendState(Negotiation()) m.appendState(Connected()) m.start()

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