Implementación en Python muy pobre de la cata "Caesar plays Lottery" <http://codingkata.org/katas/unit/caesar-lottery> con expresiones regulares y una tabla de conversión. El objetivo de este ejercicio fue: * Instalar el intérprete de Python. * Config

cpl.py

'''
Created on 11/12/2010

@author: Eduardo Rodriguez Castillo <http://sourcerebels.com> 
'''
import re

def convert(number=1):

    conversionTable = ((50, "L"),(40, "XL"),(10, "X"),(9, "IX"),(5, "V"), (4, "IV"))

    palitos = "";
    for i in range(0, number):
        palitos = "I{}".format(palitos);

    for i in range(len(conversionTable)):
        
        numeroPalitos = conversionTable[i][0]
        simboloPorElQueReemplazar = conversionTable[i][1]
        
        expresionRegular = "I{" + str(numeroPalitos) + "}"
        palitos = re.sub(expresionRegular, simboloPorElQueReemplazar, palitos)
        
    return palitos

if __name__ == '__main__':
    pass

cplTest.py

'''
Created on 11/12/2010

@author: Edu Rodriguez Castillo <http://sourcerebels.com>
'''
import unittest
import cpl  

class Test(unittest.TestCase):


    def setUp(self):
        pass


    def tearDown(self):
        pass


    def testCSL(self):
        
        numbers = [ "I", "II", "III", "IV", "V", "VI", "VII", "VIII",
                    "IX", "X", "XI", "XII", "XIII", "XIV", "XV", "XVI",
                    "XVII", "XVIII", "XIX", "XX", "XXI", "XXII", "XXIII",
                    "XXIV", "XXV", "XXVI", "XXVII", "XXVIII", "XXIX", "XXX",
                    "XXXI", "XXXII", "XXXIII", "XXXIV", "XXXV", "XXXVI",
                    "XXXVII", "XXXVIII", "XXXIX", "XL", "XLI", "XLII",
                    "XLIII", "XLIV", "XLV", "XLVI", "XLVII", "XLVIII",
                    "XLIX", "L"];
        
        for i in range(0, 49):
            number = i + 1
            convertedNumber = cpl.convert(number)
            self.assertTrue(convertedNumber == numbers[i])
        pass


if __name__ == "__main__":
    #import sys;sys.argv = ['', 'Test.testName']
    unittest.main()

Un poco tristemente, después de leerme el capitulo 1 del libro "Begining game development with python and pygame" he visto que sería mucho más sencillo utilizar un "dictionary" en lugar de esa tupla de tuplas tan fea :-)