必知的Flask的request Flask Request对象 来⾃客户端⽹⻚的数据作为全局请求对象发送到服务器。为了处理请求数据，应该从Flask模块导 ⼊。
We are currently working on a project where the main domain objects are content nodes and we are using an ACL-like system where each node in the hierarchy can contain rules that override or complement
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