忽略列表中对象的特定属性

class Person:
    def __init__(self, name, age, email):
        self.name = name
        self.age = age
        self.email = email

people = [
    Person("Alice", 30, "alice@example.com"),
    Person("Bob", 25, "bob@example.com")
]

# 忽略 'email' 属性
def ignore_email(person):
    return {"name": person.name, "age": person.age}

filtered_people = [ignore_email(person) for person in people]
print(filtered_people)

def safe_ignore_email(person):
    return {
        "name": getattr(person, 'name', ''),
        "age": getattr(person, 'age', None),
        "email": getattr(person, 'email', None)  # 默认值防止属性不存在
    }

# 使用生成器表达式提高性能
filtered_people_gen = (ignore_email(person) for person in people)

ignore_list = ['email']

def dynamic_ignore(person):
    return {key: getattr(person, key) for key in person.__dict__ if key not in ignore_list}