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InfinityData

声明式配置语言(.infd / .inft)的 Python 编译器库。

  • 编译优先:.infd 是源码,JSON/YAML/TOML 是构建产物
  • 模板即约束:模板定义自动注册为约束校验器
  • 零信任默认:库默认 deny_all 沙盒,显式开放而非事后限制
  • 结构化错误:稳定错误码 + 结构化参数 + 多语言渲染

快速使用

uv add infinity_data        # 或 pip install infinity-data
from infinity_data import load, safe_load, SandboxConfig, Schema

result = load('app.infd')              # 默认零信任
if result.has_errors:
    for d in result.diagnostics:
        print(d.location, d.code, d.message)
else:
    print(result.value)                # 降维后的 dict

文档导航

文档 内容
neo_desg.md 语言基础设计(语法 / 类型 / 模板 / 约束)
extra_desg.md 库 API / CLI / 生态设计
impl_desg.md 编译器实现层的取舍与假设

官方工具

随库内置两个命令行工具(infd-lsp 语言服务器 + infd-cov 配置转换器), 零依赖手写 JSON-RPC / emitter,直接消费编译器的公开 API (compile_source / parse_source / RawTokenizer / emit / semantic)。 工具的可选运行依赖(PyYAML / tomli-w)由 tool extra 提供,一次装齐:

uv add 'infinity_data[tool]'   # 可选:!file 的 yaml 导入 + infd-cov -f toml 输出

配置转换(infd-cov)

编译 .infd / .inft → 各种配置格式(YAML / JSON / TOML):

infd-cov app.infd                          # → YAML(stdout,零依赖 emitter)
infd-cov app.infd out.json -f json         # → JSON 文件
infd-cov app.infd -f toml                  # → TOML(需 tomli-w,见 tool extra)
infd-cov app.infd --extract web.spec       # → 点分路径提取
cat a.infd | infd-cov -f json              # stdin → stdout
  • --format:yaml(默认,零依赖手写 emitter)/ json / toml
  • --extract PATH:点分路径(如 web.spec.selector);空 = 整树
  • --severity LEVEL:拒绝阈值(error/warning/info/debug/none,默认 error)
  • #env: NAME "VALUE" 声明的变量在当前进程缺失时自动注入虚拟值
  • 演示文件:examples/app.infd(干净配置)/ examples/demo.infd(含故意错误)

语言服务器(LSP)

infd-lsp:零依赖手写 JSON-RPC 2.0 over stdio 语言服务器。

infd-lsp          # 作为任意 LSP 客户端的后端
# 或
python -m infinity_data.tools.lsp

已实现的能力

能力 说明
诊断 didOpen/didChange/didSave → publishDiagnostics(精确位置 + 稳定错误码 + 中文消息;UTF-16 对齐)
补全 命名空间($ 触发)+ 内置约束名 + 当前文件可见模板名 + 模板字段(含必填/可选)+ 语言关键字
悬停 约束描述、编译产物预览(字段/子字段/模板参数,jsonpath 投影)、被实例化的模板(模板骨架提示在前 + 实例预览在后)、$ 变量值(定义点与调用点)、模板结构骨架(必填/可选 + description 元数据)
文档大纲 documentSymbol:模板定义(Class)+ 顶层字段(Property)
跳转定义 definition:模板调用 / !from 导入 / $ 引用(含跨文件)
语义令牌 semanticTokens:直接用 RawTokenizer 分词(UTF-16 单元对齐;跨行多行字符串按行拆分)
虚拟环境变量 扫描 #env: NAME "VALUE" 注释,进程未设置时自动注入虚拟值,避免 env_not_set 中止编译

在 VS Code 中使用

在项目 .vscode/settings.json 里用任意支持自定义 LSP 的扩展(如 lspConfig)配置:

{
  "lspConfig.servers": [
    { "language": "infd", "cmd": ["infd-lsp"] },
    { "language": "inft", "cmd": ["infd-lsp"] }
  ]
}

打开 .infd / .inft 文件即可获得:诊断波浪线 + 语法高亮(semantic tokens)+ 补全 + 悬停 + 大纲 + 跳转定义。

端到端演示

uv run python examples/lsp_demo.py   # 自动起服务器 + 走一遍握手 + 打印结果

演示文件在 examples/demo.infd(故意含若干错误,展示诊断 / 补全 / 悬停 / 高亮)。

虚拟环境变量(#env 注释)

.infd / .inft 里可以用特殊注释声明环境变量名和虚拟值,工具(LSP / infd-cov) 在当前进程缺失该变量时自动注入,避免 env_not_set 中止编译、吞掉同文件其他诊断:

#env: DEEPSEEK_API_KEY "sk-virtual-key"
!env import DEEPSEEK_API_KEY as ds_key
  • 语法:#env: NAME "VALUE" —— 变量名在前、虚拟值在后
  • 真实环境变量优先:进程里已设置时用真实值,只有缺失时才用注释里的虚拟值兜底
  • 动机:infinity_data 沙盒在 env 未授权/未设置时会中止编译;用 #env 声明兜底后, 编辑器/CLI 始终能看到全部诊断(如约束违反、未定义模板)

开发

uv run pytest -q      # 测试
uv run ruff check src tests   # lint
uv run pyright        # 类型检查(strict)
uv run python test.py # 错误报告演示

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