def __sub__(self, y):
if not isinstance(y, Expression):
raise OperatorError("supported operand only Expression instance"
" for __sub__ Operator of Money")
elif isinstance(y, BaseMoney) and y.currency == self.currency:
return self.__class__(self.amount - y.amount, self.currency)
else:
return super(Money, self).__sub__(y)
def __init__(self, x, y):
"""
@param Expression x
@param Expression y
"""
if not isinstance(x, Expression) or not isinstance(y, Expression):
raise OperatorError("supported operand only instance of Expression"
" for Minus Operator of Money")
self.x, self.y = x, y
def __init__(self, augend, addend):
"""
@param Expression x
@param Expression y
"""
if not isinstance(addend, Expression) or not isinstance(
augend, Expression):
raise OperatorError("supported operand only instance of Expression"
" for Sum Operator of Money")
self.x, self.y = augend, addend
def __init__(self, x, y):
"""
@param Expression x
@param int,float y
"""
if type(y) not in (int, float, Decimal):
raise OperatorError("supported operand only in types int,float"
" for Div Operator of Money")
y = Decimal(y)
self.x, self.y = x, y
def __truediv__(self, y):
if type(y) not in (int, float, Decimal):
raise OperatorError("supported operand only in types int,float"
" for Div Operator of Money")
y = Decimal(str(y))
return self.__class__(self.left / y, self.right / y)
def __mul__(self, y):
if type(y) not in (int, float, Decimal):
raise OperatorError("supported operand only in types int,float"
" for Mul Operator of Money")
y = Decimal(str(y))
return DistributionAdd(self.left * y, self.right * y)
def __rtruediv__(self, x):
raise OperatorError("supported operand only in types int,float"
" for __rturediv__ Operator of Money")
def __truediv__(self, y):
if type(y) not in (int, float, Decimal):
raise OperatorError("supported operand only in types int,float"
" for __turediv__ Operator of Money")
y = Decimal(y)
return self.__class__(self.amount / y, self.currency)