congsh
5c028d7952
包含 FastAPI 后端、React 前端、队列/OCR/标签/待办等完整功能。 Co-authored-by: Cursor <cursoragent@cursor.com>
67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
"""全局配置：路径、数据库、并发参数等。"""
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from __future__ import annotations
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import os
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from pathlib import Path
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from pydantic import Field
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from pydantic_settings import BaseSettings, SettingsConfigDict
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# 默认数据目录：放在 backend/.data 下，便于零配置启动
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_BACKEND_ROOT = Path(__file__).resolve().parents[2]
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_DEFAULT_DATA_DIR = _BACKEND_ROOT / ".data"
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class Settings(BaseSettings):
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"""读取 .env 与环境变量的全局配置。"""
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model_config = SettingsConfigDict(
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env_file=str(_BACKEND_ROOT / ".env"),
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env_file_encoding="utf-8",
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extra="ignore",
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)
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# 应用基础
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app_name: str = "snapAna"
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debug: bool = False
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host: str = "127.0.0.1"
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port: int = 8765
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# 数据目录
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data_dir: Path = Field(default=_DEFAULT_DATA_DIR)
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# 任务并发
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analyze_concurrency: int = 4
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max_retries: int = 3
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# 缩略图
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thumb_size: int = 320
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vlm_max_side: int = 1280 # 上传 VLM 前压缩的长边像素
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# CORS
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cors_origins: list[str] = ["http://localhost:5173", "http://127.0.0.1:5173"]
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@property
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def db_path(self) -> Path:
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"""SQLite 数据库文件路径。"""
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return self.data_dir / "snapana.db"
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@property
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def db_url(self) -> str:
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"""SQLAlchemy 连接串。"""
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return f"sqlite:///{self.db_path.as_posix()}"
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@property
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def thumb_dir(self) -> Path:
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"""缩略图缓存目录。"""
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return self.data_dir / "thumbs"
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def ensure_dirs(self) -> None:
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"""确保所有运行期目录存在。"""
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self.data_dir.mkdir(parents=True, exist_ok=True)
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self.thumb_dir.mkdir(parents=True, exist_ok=True)
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settings = Settings()
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settings.ensure_dirs()
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