取消所有人的角色，并在一段时间后将其归还

import time
from datetime import datetime, timedelta

# 模拟用户和角色
users = {
    'user1': {'roles': ['admin']},
    'user2': {'roles': ['editor']}
}

def revoke_roles(users, duration):
    end_time = datetime.now() + timedelta(seconds=duration)
    for user in users.values():
        user['roles'] = []
        print(f"Revoked roles for {user} until {end_time}")
    return end_time

def restore_roles(users, end_time):
    if datetime.now() >= end_time:
        for user in users.values():
            user['roles'] = ['admin', 'editor']
            print(f"Restored roles for {user}")

# 取消角色并设置恢复时间
end_time = revoke_roles(users, 10)

# 等待一段时间后恢复角色
time.sleep(10)
restore_roles(users, end_time)