This small code demonstrates how state driven programming can be done in python.
Python, 66 lines
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Copy to clipboard1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #!/usr/bin/env python
class EventObject:
"""Abstrac EventObject"""
def __init__(self, eventSource):
self._eventSource = eventSource
def getSource(self):
return self._eventSource
class HackingEvent(EventObject):
def __init__(self, eventSource, file, machine):
EventObject.__init__(self, eventSource)
self._file = file
self._machine = machine
def getFile(self):
return self._file
def getMachine(self):
return self._machine
class HackingListener:
def fileHacked(self, hackingEvent):
raise "fileHacked - not implemented"
class Logger(HackingListener):
def fileHacked(self, hackingEvent):
print "Hacking Event occured..."
print hackingEvent.getSource().getName(), " hacked: ", hackingEvent.getFile(), " @", hackingEvent.getMachine()
class Hacker:
def __init__(self, name):
self._name = name
self._hackingListeners = []
def getName(self):
return self._name
def addHackingListener(self, listener):
self._hackingListeners.append( listener )
def removeHackingListener(self, listener):
self._hackingListeners.remove( listener )
def hackFile(self, filename, machine):
myHackingEvent = HackingEvent(self, filename, machine)
self._fireEvent(myHackingEvent)
def _fireEvent(self, event):
print "fireing event"
for listener in self._hackingListeners:
listener.fileHacked(event)
def main():
Neo = Hacker('Neo')
myLogger = Logger()
Neo.addHackingListener(myLogger)
Neo.hackFile('secureFile.txt', 'HAL9000')
if __name__ == '__main__':
main()
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Tags: oop
