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@@ -0,0 +1,53 @@
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+"""
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+A class that uses different static function depending of a parameter passed in init
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+Note the use of a single dictionnary instead of multiple conditions
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+"""
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+__author__ = "Ibrahim Diop <http://ibrahim.zinaria.com>"
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+__gist__ = "<https://gist.github.com/diopib/7679559>"
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+
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+class Catalog():
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+ """
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+ catalog of multiple static methods that are executed depending on an init parameter
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+ """
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+
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+ def __init__(self, param):
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+
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+ # dictionary that will be used to determine which static method is to be executed but
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+ # that will be also used to store possible param value
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+ self.static_method_choices = {'param_value_1': self.static_method_1, 'param_value_2': self.static_method_2}
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+
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+ # simple test to validate param value
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+ if param in self.static_method_choices.keys():
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+ self.param = param
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+ else:
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+ raise Exception("Invalid Value for Param: {0}".format(param))
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+
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+ @staticmethod
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+ def static_method_1():
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+ print("executed method 1!")
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+
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+ @staticmethod
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+ def static_method_2():
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+ print("executed method 2!")
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+
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+ def main_method(self):
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+ """
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+ will execute either static_method_1 or static_method_2
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+ depending on self.param value
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+ """
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+ self.static_method_choices[self.param]()
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+
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+
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+def main():
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+ """
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+ >>> c = Catalog('param_value_1').main_method()
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+ executed method 1!
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+ >>> Catalog('param_value_2').main_method()
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+ executed method 2!
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+ """
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+
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+ test = Catalog('param_value_2')
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+ test.main_method()
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+
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+if __name__ == "__main__":
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+ main()
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ibrahim