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flying-hero 96f6318101 📦 添加虚拟环境和启动脚本

新增:
- backend/venv/ - Python 虚拟环境
- backend/start.sh - 启动脚本（使用虚拟环境）
- backend/requirements.txt - 依赖列表
- .gitignore - 忽略虚拟环境和缓存文件

说明:
- 每个项目使用独立虚拟环境
- 避免依赖冲突
- 启动脚本自动创建和激活虚拟环境

2026-04-04 18:29:02 +08:00

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pkg-up

Find the closest package.json file

Install

$ npm install pkg-up

Usage

/
└── Users
    └── sindresorhus
        └── foo
            ├── package.json
            └── bar
                ├── baz
                └── example.js

// example.js
const pkgUp = require('pkg-up');

(async () => {
	console.log(await pkgUp());
	//=> '/Users/sindresorhus/foo/package.json'
})();

API

pkgUp([options])

Returns a Promise<string> for the filepath, or Promise<null> if it couldn't be found.

pkgUp.sync([options])

Returns the filepath, or null if it couldn't be found.

options

Type: Object

cwd

Type: string
Default: process.cwd()

Directory to start from.

read-pkg-up - Read the closest package.json file
pkg-dir - Find the root directory of an npm package
find-up - Find a file by walking up parent directories

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