41 lines
962 B
Python
41 lines
962 B
Python
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#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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"""
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Topic: 类中定义装饰器
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Desc :
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"""
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from functools import wraps
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class A:
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# Decorator as an instance method
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def decorator1(self, func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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print('Decorator 1')
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return func(*args, **kwargs)
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return wrapper
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# Decorator as a class method
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@classmethod
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def decorator2(cls, func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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print('Decorator 2')
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return func(*args, **kwargs)
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return wrapper
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class Person:
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# Create a property instance
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first_name = property()
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# Apply decorator methods
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@first_name.getter
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def first_name(self):
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return self._first_name
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@first_name.setter
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def first_name(self, value):
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if not isinstance(value, str):
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raise TypeError('Expected a string')
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self._first_name = value
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