如何在初始化时读取变量的名称并将其存储在python的描述符类中？

class VariableDescriptor:
    def __get__(self, instance, owner):
        if instance is None:
            return self
        else:
            # 获取调用该描述符的变量名称
            var_name = [name for name, value in owner.__dict__.items() if value is self][0]
            return instance.__dict__[var_name]
    
    def __set__(self, instance, value):
        # 获取调用该描述符的变量名称
        var_name = [name for name, desc in instance.__class__.__dict__.items() if desc is self][0]
        instance.__dict__[var_name] = value

class MyClass:
    var1 = VariableDescriptor()
    var2 = VariableDescriptor()

    def __init__(self, var1, var2):
        self.var1 = var1
        self.var2 = var2

# 测试
obj = MyClass(10, 20)
print(obj.var1)  # 输出：10
print(obj.var2)  # 输出：20