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'''http://stackoverflow.com/questions/963965/how-is-this-strategy-pattern-written-in-python-the-sample-in-wikipedia'''
import types
class StrategyExample:
def __init__(self, func=None):
self.name = "Strategy Example 0"
if func :
self.execute = types.MethodType(func, self)
def execute(self):
print(self.name)
def executeReplacement1(self):
print(self.name + " from execute 1")
def executeReplacement2(self):
print(self.name + " from execute 2")
if __name__ == "__main__":
strat0 = StrategyExample()
strat1 = StrategyExample(executeReplacement1)
strat1.name = "Strategy Example 1"
strat2 = StrategyExample(executeReplacement2)
strat2.name = "Strategy Example 2"
strat0.execute()
strat1.execute()
strat2.execute()