def main():
num1, operation, num2 = take_args()
calcoo = Calculadora()
# It checks if method exists in the class
if operation not in dir(calcoo):
raise SystemExit('Error: Operation unsupported')
getattr(calcoo, operation)(num1, num2) # Same as calcoo.operation(...)
calcoo.show()
#!/usr/bin/python3
# -*- coding:utf-8 -*-
import sys
import calc
import calcoo
class CalculadoraHija(calcoo.Calculadora):
def __init__(self):
super().__init__()
self.operations["multiplica"] = self.multiply
self.operations["divide"] = self.division
def multiply(self, a, b):
return a * b
def division(self, a, b):
try:
return a / b
except ZeroDivisionError:
sys.exit("Division by zero is not allowed")
if __name__ == "__main__":
op1, operation, op2 = calc.take_args()
calc = CalculadoraHija()
print(calcoo.do_operation(calc, operation, op1, op2))
