class Protective(object):
"""protected property demo"""
#
def __init__(self, start_protected_value=0):
self.protected_value = start_protected_value
#
@property
def protected_value(self):
return self._protected_value
#
@protected_value.setter
def protected_value(self, value):
if value != int(value):
raise TypeError("protected_value must be an integer")
if 0 <= value <= 100:
self._protected_value = int(value)
else:
raise ValueError("protected_value must be " +
"between 0 and 100 inclusive")
#
@protected_value.deleter
def protected_value(self):
raise AttributeError("do not delete, protected_value can be set to 0")