Files
iov_ana/core/config.py
openclaw e8f8e2f1ba feat: 四层架构全面增强
安全与稳定性:
- 移除硬编码 API Key,改用 .env + 环境变量
- LLM 调用统一重试机制(指数退避,3 次重试,处理 429/5xx/超时)
- 中文字体检测增强(CJK 关键词兜底 + 无字体时英文 fallback)
- 缺失 API Key 给出友好提示而非崩溃

分析能力提升:
- 异常检测新增 z-score 检测(标准差>2 标记异常)
- 新增变异系数 CV 检测(数据波动性)
- 新增零值/缺失检测
- 上下文管理器升级为关键词语义匹配(替代简单取最近 2 条)

用户体验:
- 报告自动保存为 Markdown(reports/ 目录)
- 新增 export 命令导出查询结果为 CSV
- 新增 reports 命令查看已保存报告
- CLI 支持 readline 命令历史(方向键翻阅)
- CSV 导入工具重写:自动列名映射、容错处理、dry-run 模式
- 新增 .env.example 配置模板
2026-03-31 14:39:17 +08:00

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"""
配置文件 —— 支持环境变量 + .env 文件
"""
import os
def _load_dotenv(path: str = ".env"):
"""简易 .env 加载器,不依赖 python-dotenv"""
if not os.path.isfile(path):
return
with open(path, "r", encoding="utf-8") as f:
for line in f:
line = line.strip()
if not line or line.startswith("#"):
continue
if "=" not in line:
continue
key, _, val = line.partition("=")
key, val = key.strip(), val.strip().strip('"').strip("'")
if key and key not in os.environ: # 环境变量优先
os.environ[key] = val
# 项目根目录(先定义,.env 加载需要用到)
PROJECT_ROOT = os.path.dirname(os.path.dirname(__file__))
# 加载 .env项目根目录优先其次当前目录
_load_dotenv(os.path.join(PROJECT_ROOT, ".env"))
_load_dotenv(".env")
# LLM 配置(兼容 OpenAI API 格式,包括 Ollama / vLLM / DeepSeek 等)
LLM_CONFIG = {
"api_key": os.getenv("LLM_API_KEY", ""),
"base_url": os.getenv("LLM_BASE_URL", "https://api.openai.com/v1"),
"model": os.getenv("LLM_MODEL", "gpt-4o-mini"),
}
# 沙箱安全规则
SANDBOX_RULES = {
"max_result_rows": 1000,
"round_floats": 2,
"suppress_small_n": 5,
"banned_keywords": [
"SELECT *", "INSERT", "UPDATE", "DELETE",
"DROP", "ALTER", "CREATE", "ATTACH", "PRAGMA",
],
"require_aggregation": True,
}
# 项目根目录
PROJECT_ROOT = os.path.dirname(os.path.dirname(__file__))
# 数据库路径
DB_PATH = os.getenv("DB_PATH", os.path.join(PROJECT_ROOT, "demo.db"))
# Playbook 目录
PLAYBOOK_DIR = os.getenv("PLAYBOOK_DIR", os.path.join(PROJECT_ROOT, "playbooks"))
# 图表输出目录
CHARTS_DIR = os.getenv("CHARTS_DIR", os.path.join(PROJECT_ROOT, "charts"))
# 分析控制
MAX_EXPLORATION_ROUNDS = int(os.getenv("MAX_ROUNDS", "6"))