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Prompt Input Validation toolkit

Project description

PRIVAL 项目文档

一、项目简介

PRIVAL(Prompt Input VALidation)是一个轻量级的 Prompt 质量检测框架,提供多维度自动化评分和建议,帮助用户优化输入给大模型的 Prompt,提升模型执行效果。

核心特点

  • 多维度评分:自定义清晰度、歧义性、注入风险等 12+ 维度检测,支持启用/禁用及权重配置。
  • 插件化设计:每个维度由独立 detector 模块实现,方便扩展和替换。
  • 低代码接口:一行 evaluate_prompt(prompt) 即可获取详细评分和改进建议。
  • 报告输出:支持 JSON、Markdown、HTML 报告,便于可视化和分享。

二、安装和使用

pip install prival
from prival import evaluate_prompt

prompt = "请帮我写一封求职邮件,针对 AI 工程师岗位。"
result = evaluate_prompt(prompt)
# result = {
#   "total_score": 0.78,
#   "details": {
#     "clarity": {"score": 0.9, "suggestions": [...]},
#     ...
#   }
# }

或在命令行中使用 CLI:

prival-cli evaluate "你的 prompt 文本"

三、项目结构

prival/
├── config.yaml               # 全局配置:维度开关、权重、阈值等
├── __init__.py               # 包初始化,导出 evaluate_prompt 接口
├── detectors/                # 独立维度检测器模块
│   ├ clarity.py              # 清晰度检测
│   ├ ambiguity.py            # 歧义性检测
│   ├ step_guidance.py        # 步骤指引检测
│   ├ verbosity.py            # 冗余度检测
│   ├ injection_risk.py       # Injection 风险检测
│   ├ context_completeness.py # 上下文完整性检测
│   ├ ethic_compliance.py     # 伦理合规检测
│   ├ structural_cleanness.py # 结构简洁度检测
│   ├ relevance.py            # 关联度检测
│   ├ feasibility.py          # 可行性检测
│   ├ grammar_spelling.py     # 语法拼写检测
│   ├ length_appropriateness.py # 长度适宜性检测
│   └ diversity.py            # 多样性检测
├── utils/                    # 通用 NLP 辅助工具
│   └ nlp_helpers.py          # 句法解析、关键词抽取、相似度计算等
├── core.py                   # 核心流程:加载配置,调度 detectors 并发执行
├── scoring.py                # 总分计算与格式化输出
├── report.py                 # 报告生成:HTML/Markdown
└── tests/                    # 单元测试和基准 prompt 样本

四、配置示例(config.yaml)

# 启用和权重配置
enabled_dimensions:
  - clarity
  - ambiguity
  - step_guidance
  - verbosity
  - injection_risk
  - context_completeness
  - ethic_compliance
  - structural_cleanness
  - relevance
  - feasibility
  - grammar_spelling
  - length_appropriateness
  - diversity
# politeness 可选,默认关闭
#  - politeness

# 各维度权重(加权得分用)
weights:
  clarity: 0.15
  ambiguity: 0.10
  step_guidance: 0.10
  verbosity: 0.10
  injection_risk: 0.15
  context_completeness: 0.10
  ethic_compliance: 0.10
  structural_cleanness: 0.05
  relevance: 0.05
  feasibility: 0.05
  grammar_spelling: 0.05
  length_appropriateness: 0.05
  diversity: 0.05

# 各维度阈值设置(可选)
thresholds:
  clarity: 0.6
  injection_risk: 0.5
  # 等...

五、测试和报告

  • 单元测试:在 tests/ 目录下编写 pytest 测试用例,确保各 detector 规则正确。
  • 报告生成:调用 prival.report.generate_html(result, "report.html") 一键输出可分享的 HTML 报告,支持图表和建议列表。

Happy prompting! 欢迎提交 issue 或 PR,共同完善 PRIVAL。

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