148 lines
4.6 KiB
Python
148 lines
4.6 KiB
Python
"""Avocet — FastAPI REST layer.
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JSONL read/write helpers and FastAPI app instance.
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Endpoints and static file serving are added in subsequent tasks.
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"""
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from __future__ import annotations
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import hashlib
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import json
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import os
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import subprocess as _subprocess
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import yaml
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from pathlib import Path
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from datetime import datetime, timezone
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from fastapi import FastAPI, HTTPException, Query
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from pydantic import BaseModel
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_ROOT = Path(__file__).parent.parent
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_DATA_DIR: Path = _ROOT / "data" # overridable in tests via set_data_dir()
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_MODELS_DIR: Path = _ROOT / "models" # overridable in tests via set_models_dir()
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_CONFIG_DIR: Path | None = None # None = use real path
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def set_data_dir(path: Path) -> None:
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"""Override data directory — used by tests."""
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global _DATA_DIR
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_DATA_DIR = path
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def set_models_dir(path: Path) -> None:
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"""Override models directory — used by tests."""
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global _MODELS_DIR
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_MODELS_DIR = path
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def set_config_dir(path: Path | None) -> None:
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"""Override config directory — used by tests."""
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global _CONFIG_DIR
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_CONFIG_DIR = path
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def _config_file() -> Path:
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if _CONFIG_DIR is not None:
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return _CONFIG_DIR / "label_tool.yaml"
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return _ROOT / "config" / "label_tool.yaml"
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def _queue_file() -> Path:
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return _DATA_DIR / "email_label_queue.jsonl"
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def _score_file() -> Path:
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return _DATA_DIR / "email_score.jsonl"
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def _discarded_file() -> Path:
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return _DATA_DIR / "discarded.jsonl"
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def _read_jsonl(path: Path) -> list[dict]:
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if not path.exists():
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return []
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lines = path.read_text(encoding="utf-8").splitlines()
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return [json.loads(l) for l in lines if l.strip()]
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def _write_jsonl(path: Path, records: list[dict]) -> None:
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path.parent.mkdir(parents=True, exist_ok=True)
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text = "\n".join(json.dumps(r, ensure_ascii=False) for r in records)
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path.write_text(text + "\n" if records else "", encoding="utf-8")
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def _append_jsonl(path: Path, record: dict) -> None:
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path.parent.mkdir(parents=True, exist_ok=True)
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with path.open("a", encoding="utf-8") as f:
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f.write(json.dumps(record, ensure_ascii=False) + "\n")
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def _item_id(item: dict) -> str:
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"""Stable content-hash ID — matches label_tool.py _entry_key dedup logic."""
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key = (item.get("subject", "") + (item.get("body", "") or "")[:100])
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return hashlib.md5(key.encode("utf-8", errors="replace")).hexdigest()
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def _normalize(item: dict) -> dict:
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"""Normalize JSONL item to the Vue frontend schema.
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label_tool.py stores: subject, body, from_addr, date, account (no id).
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The Vue app expects: id, subject, body, from, date, source.
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Both old (from_addr/account) and new (from/source) field names are handled.
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"""
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return {
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"id": item.get("id") or _item_id(item),
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"subject": item.get("subject", ""),
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"body": item.get("body", ""),
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"from": item.get("from") or item.get("from_addr", ""),
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"date": item.get("date", ""),
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"source": item.get("source") or item.get("account", ""),
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}
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app = FastAPI(title="Avocet API")
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from app.data.label import router as label_router
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app.include_router(label_router, prefix="/api")
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from app.sft import router as sft_router
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app.include_router(sft_router, prefix="/api/sft")
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from app.models import router as models_router
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import app.models as _models_module
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app.include_router(models_router, prefix="/api/models")
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from app.eval.cforch import router as eval_router
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app.include_router(eval_router, prefix="/api")
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from app.imitate import router as imitate_router
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app.include_router(imitate_router, prefix="/api/imitate")
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from app.data.fetch import router as fetch_router
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app.include_router(fetch_router, prefix="/api")
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from app.train.train import router as train_router
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app.include_router(train_router, prefix="/api/train")
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from app.dashboard import router as dashboard_router
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app.include_router(dashboard_router, prefix="/api")
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# Static SPA — MUST be last (catches all unmatched paths)
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_DIST = _ROOT / "web" / "dist"
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if _DIST.exists():
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from fastapi.responses import FileResponse
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from fastapi.staticfiles import StaticFiles
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# Serve index.html with no-cache so browsers always fetch fresh HTML after rebuilds.
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# Hashed assets (/assets/index-abc123.js) can be cached forever — they change names
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# when content changes (standard Vite cache-busting strategy).
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_NO_CACHE = {"Cache-Control": "no-cache, no-store, must-revalidate", "Pragma": "no-cache"}
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@app.get("/")
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def get_spa_root():
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return FileResponse(str(_DIST / "index.html"), headers=_NO_CACHE)
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app.mount("/", StaticFiles(directory=str(_DIST), html=True), name="spa")
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