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- """FastAPI 静态服务:托管单页前端 + 媒体/抽帧落盘目录。
- 启动:
- CK_ENV_FILE=/path/.env uvicorn creation_knowledge.api:app --host 0.0.0.0 --port 8123
- 前端单页在 /,媒体在 /data,视频帧在 /frames。
- """
- from __future__ import annotations
- import os
- from functools import lru_cache
- from pathlib import Path
- from fastapi import FastAPI
- from fastapi.middleware.cors import CORSMiddleware
- from fastapi.staticfiles import StaticFiles
- from creation_knowledge.config import Settings
- _ROOT = Path(__file__).resolve().parent.parent
- WEB_DIR = _ROOT / "web"
- SKILL_EX_DIR = _ROOT / "创作知识提取-skill" / "extraction" # ②③ 提示词真源
- READ_PROMPT_DIR = _ROOT / "prompts" # ① 读懂提示词真源
- def _env_file() -> str:
- return os.getenv("CK_ENV_FILE", ".env")
- @lru_cache(maxsize=1)
- def _settings() -> Settings:
- return Settings.from_env(_env_file())
- app = FastAPI(title="创作知识")
- app.add_middleware(
- CORSMiddleware, allow_origins=["*"], allow_methods=["*"], allow_headers=["*"]
- )
- # 视频帧静态服务(card.url = /frames/<post_id>/<file>)
- _frames_dir = Path(_settings().frames_dir)
- _frames_dir.mkdir(parents=True, exist_ok=True)
- app.mount("/frames", StaticFiles(directory=str(_frames_dir)), name="frames")
- # 媒体静态服务(card.url = /data/<run_id>/<platform>/<post_id>/<file>)
- _data_dir = Path(_settings().data_dir or "data")
- _data_dir.mkdir(parents=True, exist_ok=True)
- app.mount("/data", StaticFiles(directory=str(_data_dir)), name="data")
- # 提示词真源(前端「看提示词」直接 fetch,不再写死副本,避免漂移)
- if SKILL_EX_DIR.exists():
- app.mount("/prompt-skill", StaticFiles(directory=str(SKILL_EX_DIR)), name="prompt-skill")
- if READ_PROMPT_DIR.exists():
- app.mount("/prompt-read", StaticFiles(directory=str(READ_PROMPT_DIR)), name="prompt-read")
- # 单页前端挂在最后(catch-all),不影响 /frames、/data、/prompt-*
- if WEB_DIR.exists():
- app.mount("/", StaticFiles(directory=str(WEB_DIR), html=True), name="web")
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