Python的反射函数与内省工具深入解析

class MyClass:
    def __init__(self):
        self.my_attribute = 123
        self.another_attribute = "Hello"
    def my_method(self):
        pass
instance = MyClass()
# 使用type检测对象类型
print(type(instance))  # 输出: <class '__main__.MyClass'>
# 使用id获取对象内存地址
print(id(instance))  
# 使用getattr获取属性值
print(getattr(instance, 'my_attribute'))  # 输出: 123
# 使用setattr修改属性值
setattr(instance, 'my_attribute', 456)
print(getattr(instance, 'my_attribute'))  # 输出: 456
# 使用hasattr检测是否有某个属性
print(hasattr(instance, 'nonexistent_attribute'))  # 输出: False

class MyClass:
    def __init__(self):
        self.my_attribute = 123
    def my_method(self):
        pass
instance = MyClass()
print(dir(instance))

class MyClass:
    def my_method(self):
        return "Hello, world!"
instance = MyClass()
method_name = 'my_method'
method = getattr(instance, method_name)
print(method())  # 输出: Hello, world!

import inspect
class MyClass:
    def my_method(self):
        return "Hello, world!"
print(inspect.getmembers(MyClass))