# utils.py

一些辅助函数，包括查找配置文件，封装subprocess.Popen的subprocess\_open，解析映射关系、获取主机名、字典和字符串格式的转化、检查对扩展的支持等等。


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://yeasy.gitbook.io/openstack_code_neutron/neutron/common/utilspy.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.