self.a = 1
self.b = 2
self.c = 3
pass
def __getattribute__(self, name):
if sys._getframe(1).f_code.co_argcount == 0:
if name in self.privates:
raise Exception("Access to private attribute \"%s\" is not allowed" % name)
else:
return object.__getattribute__(self, name)
else:
return object.__getattribute__(self, name)
def __setattr__(self, name, value):
if sys._getframe(1).f_code.co_argcount == 0:
if name in self.privates:
raise Exception("Setting private attribute \"%s\" is not allowed" % name)
elif name in self.protected:
raise Exception("Setting protected attribute \"%s\" is not allowed" % name)
else:
return object.__setattr__(self, name, value)
else:
return object.__setattr__(self, name, value)
example = EncapsulationClass()
example.a = 10 # Exception: Setting private attribute "a" is not allowed
example.b = 10 # Exception: Setting protected attribute "b" is not allowed
example.c = 10 # example.c == 10
example.__dict__["privates"] # Exception: Setting protected attribute "b" is not allowed
What would actually be wrong with doing something like this?
Is there any better way to achieve encapsulation in Python? Please rectify my code if possible.