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Пример перегрузки побитового оператора для нашего настраиваемого объекта:
class Data:
id = 0
def __init__(self, i):
self.id = i
def __and__(self, other):
print('Bitwise AND operator overloaded')
if isinstance(other, Data):
return Data(self.id & other.id)
else:
raise ValueError('Argument must be object of Data')
def __or__(self, other):
print('Bitwise OR operator overloaded')
if isinstance(other, Data):
return Data(self.id | other.id)
else:
raise ValueError('Argument must be object of Data')
def __xor__(self, other):
print('Bitwise XOR operator overloaded')
if isinstance(other, Data):
return Data(self.id ^ other.id)
else:
raise ValueError('Argument must be object of Data')
def __lshift__(self, other):
print('Bitwise Left Shift operator overloaded')
if isinstance(other, int):
return Data(self.id << other)
else:
raise ValueError('Argument must be integer')
def __rshift__(self, other):
print('Bitwise Right Shift operator overloaded')
if isinstance(other, int):
return Data(self.id >> other)
else:
raise ValueError('Argument must be integer')
def __invert__(self):
print('Bitwise Ones Complement operator overloaded')
return Data(~self.id)
def __str__(self):
return f'Data[{self.id}]'
d1 = Data(10)
d2 = Data(7)
print(f'd1d2 = {d1d2}')
print(f'd1|d2 = {d1|d2}')
print(f'd1^d2 = {d1^d2}')
print(f'd1<<2 = {d1<<2}')
print(f'd1>>2 = {d1>>2}')
print(f'~d1 = {~d1}')
# Bitwise AND operator overloaded
# d1d2 = Data[2]
# Bitwise OR operator overloaded
# d1|d2 = Data[15]
# Bitwise XOR operator overloaded
# d1^d2 = Data[13]
# Bitwise Left Shift operator overloaded
# d1<<2 = Data[40]
# Bitwise Right Shift operator overloaded
# d1>>2 = Data[2]
# Bitwise Ones Complement operator overloaded
# ~d1 = Data[-11]
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