init
This commit is contained in:
Dang Zerong
348
scanner/ai_reviewer.py
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348
scanner/ai_reviewer.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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AI 代码审查器
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使用大模型进行智能代码审查
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"""
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import os
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import json
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import logging
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from typing import Dict, Any, List, Optional
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from scanner.base import BaseScanner
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logger = logging.getLogger(__name__)
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class AIReviewer(BaseScanner):
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"""AI 代码审查器"""
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def __init__(self, config: Dict[str, Any]):
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"""
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初始化 AI 审查器
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Args:
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config: AI 配置
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"""
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# 先初始化基类
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super().__init__(config.get('scanner', {}))
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self.config = config
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self.enabled = config.get('enabled', True)
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self.provider = config.get('provider', 'ollama')
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self.model = config.get('model', 'llama3')
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self.api_url = config.get('api_url', 'http://localhost:11434')
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self.api_key = config.get('api_key', '')
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self.max_lines = config.get('max_lines', 200)
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if not self.enabled:
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logger.info('AI 审查器已禁用')
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return
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logger.info(f'AI 审查器初始化: {self.provider}/{self.model}')
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def scan(self, repo_url: str, commit_id: Optional[str], branch: str) -> Dict[str, Any]:
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"""
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执行代码扫描（实现抽象方法）
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Args:
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repo_url: 仓库 URL
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commit_id: 提交 ID
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branch: 分支名
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Returns:
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审查结果
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"""
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# 调用实际的审查逻辑
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return self._do_review(repo_url=repo_url, commit_id=commit_id, branch=branch)
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def _do_review(self, clone_dir: str = None, repo_url: str = None,
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commit_id: str = None, branch: str = None,
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language: str = 'python') -> Dict[str, Any]:
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"""
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执行 AI 代码审查
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Args:
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clone_dir: 仓库目录（如果已克隆则直接传入）
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repo_url: 仓库 URL（如果未克隆则需要传入）
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commit_id: 提交 ID
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branch: 分支名
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language: 编程语言
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Returns:
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审查结果
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"""
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if not self.enabled:
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return {
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'enabled': False,
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'tool': 'AI Code Reviewer',
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'reviews': [],
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'summary': 'AI 审查已禁用'
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}
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try:
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# 如果没有传入 clone_dir，需要克隆
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if not clone_dir and repo_url:
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clone_dir = self.clone_repo(repo_url, commit_id, branch)
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if not clone_dir or not os.path.exists(clone_dir):
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return {
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'enabled': True,
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'tool': 'AI Code Reviewer',
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'reviews': [],
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'summary': '无法获取代码目录'
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}
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# 获取要审查的代码文件
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files = self._get_code_files(clone_dir, language)
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if not files:
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return {
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'enabled': True,
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'tool': 'AI Code Reviewer',
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'reviews': [],
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'summary': '未找到可审查的代码文件'
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}
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# 对每个文件进行 AI 审查
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all_reviews = []
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for file_path in files[:5]: # 限制最多审查 5 个文件
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review = self._review_file(file_path, language)
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if review:
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all_reviews.append(review)
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# 生成总结
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summary = self._generate_summary(all_reviews)
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return {
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'enabled': True,
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'tool': 'AI Code Reviewer',
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'reviews': all_reviews,
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'summary': summary,
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'files_reviewed': len(all_reviews),
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'clone_dir': clone_dir # 返回 clone_dir 用于后续清理
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}
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except Exception as e:
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logger.error(f'AI 审查失败: {str(e)}')
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return {
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'enabled': True,
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'tool': 'AI Code Reviewer',
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'error': str(e),
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'reviews': [],
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'summary': f'AI 审查出错: {str(e)}'
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}
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def _get_code_files(self, clone_dir: str, language: str) -> List[str]:
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"""获取代码文件列表"""
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import glob
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extensions = {
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'python': ['.py'],
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'javascript': ['.js', '.jsx'],
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'typescript': ['.ts', '.tsx']
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}
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exts = extensions.get(language, ['.py'])
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files = []
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for ext in exts:
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pattern = os.path.join(clone_dir, '**', f'*{ext}')
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files.extend(glob.glob(pattern, recursive=True))
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# 过滤掉测试文件和虚拟环境
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files = [f for f in files if not any(x in f for x in [
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'test_', '_test.', 'venv', 'node_modules', '__pycache__'
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])]
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return files[:10] # 最多 10 个文件
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def _review_file(self, file_path: str, language: str) -> Optional[Dict[str, Any]]:
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"""审查单个文件"""
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try:
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with open(file_path, 'r', encoding='utf-8') as f:
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code = f.read()
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# 限制代码行数
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lines = code.split('\n')
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if len(lines) > self.max_lines:
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code = '\n'.join(lines[:self.max_lines])
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truncated = True
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else:
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truncated = False
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# 构建 prompt
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prompt = self._build_prompt(code, language)
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# 调用 AI
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response = self._call_ai(prompt)
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if not response:
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return None
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# 解析响应
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filename = os.path.basename(file_path)
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return {
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'file': filename,
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'path': file_path,
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'truncated': truncated,
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'review': response
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}
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except Exception as e:
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logger.warning(f'审查文件失败 {file_path}: {str(e)}')
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return None
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def _build_prompt(self, code: str, language: str) -> str:
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"""构建审查 prompt"""
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if language == 'python':
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lang_name = 'Python'
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elif language in ['javascript', 'typescript']:
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lang_name = 'JavaScript/TypeScript'
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else:
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lang_name = language
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prompt = f"""你是一位资深的 {lang_name} 代码审查专家。请审查以下代码，并给出：
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1. **代码优点** - 写得好地方
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2. **问题建议** - 需要改进的地方
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3. **优化建议** - 如何让代码更好
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请用中文回复，保持简洁，每个文件审查不超过 3 点建议。
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以下是代码：
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```{language}
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{code}
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```
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请以 JSON 格式输出：
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```json
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{{
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"优点": ["..."],
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"问题": ["..."],
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"优化": ["..."]
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}}
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```"""
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return prompt
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def _call_ai(self, prompt: str) -> Optional[Dict[str, Any]]:
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"""调用 AI 服务"""
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try:
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if self.provider == 'ollama':
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return self._call_ollama(prompt)
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elif self.provider == 'api':
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return self._call_api(prompt)
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else:
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logger.warning(f'未知的 AI provider: {self.provider}')
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return None
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except Exception as e:
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logger.error(f'AI 调用失败: {str(e)}')
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return None
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def _call_ollama(self, prompt: str) -> Optional[Dict[str, Any]]:
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"""调用 Ollama 本地模型"""
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import requests
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url = f"{self.api_url}/api/generate"
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payload = {
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"model": self.model,
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"prompt": prompt,
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"stream": False,
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"format": "json"
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}
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response = requests.post(url, json=payload, timeout=120)
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if response.status_code == 200:
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result = response.json()
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content = result.get('response', '')
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# 尝试解析 JSON
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try:
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# 提取 JSON 部分
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if '```json' in content:
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content = content.split('```json')[1].split('```')[0]
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elif '```' in content:
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content = content.split('```')[1].split('```')[0]
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return json.loads(content.strip())
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except json.JSONDecodeError:
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# 如果不是 JSON，直接返回文本
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return {'raw_review': content}
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logger.warning(f'Ollama 返回错误: {response.status_code}')
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return None
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def _call_api(self, prompt: str) -> Optional[Dict[str, Any]]:
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"""调用在线 API"""
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import requests
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headers = {
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'Content-Type': 'application/json'
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}
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if self.api_key:
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headers['Authorization'] = f'Bearer {self.api_key}'
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# 根据 API URL 自动判断 provider
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if 'siliconflow' in self.api_url:
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url = f"{self.api_url}/chat/completions"
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payload = {
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"model": self.model,
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"messages": [{"role": "user", "content": prompt}],
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"max_tokens": 1024,
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"temperature": 0.7
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}
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elif 'deepseek' in self.api_url:
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url = f"{self.api_url}/chat/completions"
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payload = {
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"model": self.model,
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"messages": [{"role": "user", "content": prompt}],
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"max_tokens": 1024,
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"temperature": 0.7
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}
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else:
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url = f"{self.api_url}/chat/completions"
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payload = {
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"model": self.model,
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"messages": [{"role": "user", "content": prompt}],
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"max_tokens": 1024,
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"temperature": 0.7
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}
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response = requests.post(url, json=payload, headers=headers, timeout=120)
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if response.status_code == 200:
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result = response.json()
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content = result['choices'][0]['message']['content']
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try:
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if '```json' in content:
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content = content.split('```json')[1].split('```')[0]
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elif '```' in content:
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content = content.split('```')[1].split('```')[0]
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return json.loads(content.strip())
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except json.JSONDecodeError:
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return {'raw_review': content}
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logger.warning(f'API 返回错误: {response.status_code}')
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return None
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def _generate_summary(self, reviews: List[Dict[str, Any]]) -> str:
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"""生成审查总结"""
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if not reviews:
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return '未找到需要审查的代码'
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total_issues = sum(
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len(r.get('review', {}).get('问题', [])) +
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len(r.get('review', {}).get('优化', []))
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for r in reviews
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)
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files_count = len(reviews)
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if total_issues == 0:
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return f'✅ AI 审查通过！审查了 {files_count} 个文件，未发现问题'
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return f'🤖 AI 审查了 {files_count} 个文件，发现 {total_issues} 个改进建议'
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