Created
November 23, 2017 14:44
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class Combustivel: | |
def __init__(self, nome, preco, texto): | |
self.nome = nome | |
self.preco = preco | |
self.texto = texto | |
gasolina = Combustivel( | |
nome = "gasolina", | |
preco = 1, | |
texto = "-Recomendamos GASOLINA-" | |
) | |
alcool = Combustivel( | |
nome = "alcool", | |
preco = 1, | |
texto = "--Recomendamos ÁLCOOL--" | |
) | |
def devoUsarAlcool(preco_alcool, preco_gasolina): | |
return (preco_alcool / preco_gasolina) < 0.70 | |
def escolherCombustivel(alcool, gasolina): | |
return alcool if devoUsarAlcool(alcool.preco, gasolina.preco) else gasolina | |
def limparCampo(text_box, conversor): | |
ret = None | |
try: | |
ret = conversor(str(text_box.get())) | |
except: | |
pass | |
return ret | |
def limparCampos(): | |
return map(lambda tb: limparCampo(tb, float), [text_box_alcool, text_box_gasolina]) | |
def mensagem(*args): | |
alcool.preco, gasolina.preco = limparCampos() | |
lb_mensagem["text"] = escolherCombustivel(alcool, gasolina).texto \ | |
if alcool.preco != None \ | |
else "Valores informados invalidos" |
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