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| #!/usr/bin/env python3 | |
| """tools/review_tool/serve_review.py — tiny HTTP service for the review tool (separate from the 8772 annotation service). | |
| Serves results/review_tool/ (index.html, img/) and persists labels server-side: | |
| POST /save body {id,label,note,rater,ts} -> appended to labels.jsonl, merged into labels_latest.json | |
| GET /labels -> labels_latest.json (dict by item id) | |
| GET /export.csv -> csv of all items with their latest label | |
| python tools/review_tool/serve_review.py --host 0.0.0.0 --port 8791 --root results/review_tool | |
| """ | |
| from __future__ import annotations | |
| import argparse, csv, io, json, threading, time | |
| from functools import partial | |
| from http.server import SimpleHTTPRequestHandler, ThreadingHTTPServer | |
| from pathlib import Path | |
| LOCK = threading.Lock() | |
| class Handler(SimpleHTTPRequestHandler): | |
| root: Path = Path(".") | |
| def log_message(self, fmt, *args): # quiet access log -> file | |
| with open(self.root / "server_access.log", "a", encoding="utf-8") as f: | |
| f.write("%s %s\n" % (time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()), fmt % args)) | |
| def _json(self, code: int, obj) -> None: | |
| body = json.dumps(obj, ensure_ascii=False).encode("utf-8") | |
| self.send_response(code) | |
| self.send_header("Content-Type", "application/json; charset=utf-8") | |
| self.send_header("Content-Length", str(len(body))) | |
| self.send_header("Cache-Control", "no-store") | |
| self.end_headers() | |
| self.wfile.write(body) | |
| def _latest(self) -> dict: | |
| p = self.root / "labels_latest.json" | |
| return json.load(open(p, encoding="utf-8")) if p.exists() else {} | |
| def do_GET(self): | |
| if self.path.split("?")[0] == "/labels": | |
| with LOCK: | |
| return self._json(200, self._latest()) | |
| if self.path.split("?")[0] == "/export.csv": | |
| with LOCK: | |
| latest = self._latest() | |
| items = json.load(open(self.root / "items.json", encoding="utf-8"))["items"] | |
| buf = io.StringIO() | |
| w = csv.writer(buf) | |
| w.writerow(["id", "task", "uid", "regime", "event", "t_event", "label", "note", "rater", "ts"]) | |
| for it in items: | |
| r = latest.get(it["id"], {}) | |
| m = it["meta"] | |
| w.writerow([it["id"], it["task"], m["uid"], m.get("regime") or "|".join(m.get("regimes", [])), m.get("event", ""), m.get("t_event", ""), | |
| r.get("label", ""), r.get("note", ""), r.get("rater", ""), r.get("ts", "")]) | |
| body = buf.getvalue().encode("utf-8") | |
| self.send_response(200) | |
| self.send_header("Content-Type", "text/csv; charset=utf-8") | |
| self.send_header("Content-Disposition", "attachment; filename=cwm3_review_labels.csv") | |
| self.send_header("Content-Length", str(len(body))) | |
| self.end_headers() | |
| self.wfile.write(body) | |
| return | |
| if self.path in ("/", ""): | |
| self.path = "/index.html" | |
| return super().do_GET() | |
| def do_POST(self): | |
| if self.path.split("?")[0] != "/save": | |
| return self._json(404, {"error": "unknown endpoint"}) | |
| n = int(self.headers.get("Content-Length", "0")) | |
| try: | |
| rec = json.loads(self.rfile.read(n).decode("utf-8")) | |
| except Exception as e: # noqa: BLE001 | |
| return self._json(400, {"error": str(e)}) | |
| if not isinstance(rec, dict) or "id" not in rec: | |
| return self._json(400, {"error": "need id"}) | |
| rec["server_ts"] = time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()) | |
| rec["client"] = self.client_address[0] | |
| with LOCK: | |
| with open(self.root / "labels.jsonl", "a", encoding="utf-8") as f: | |
| f.write(json.dumps(rec, ensure_ascii=False) + "\n") | |
| latest = self._latest() | |
| cur = latest.get(rec["id"], {}) | |
| cur.update({k: v for k, v in rec.items() if k in ("label", "note", "rater", "ts", "server_ts", "client") and v is not None}) | |
| latest[rec["id"]] = cur | |
| tmp = self.root / "labels_latest.json.tmp" | |
| json.dump(latest, open(tmp, "w", encoding="utf-8"), ensure_ascii=False, indent=0) | |
| tmp.replace(self.root / "labels_latest.json") | |
| n_lab = sum(1 for v in latest.values() if v.get("label")) | |
| return self._json(200, {"ok": True, "n_labelled": n_lab}) | |
| def main() -> int: | |
| ap = argparse.ArgumentParser() | |
| ap.add_argument("--host", default="0.0.0.0") | |
| ap.add_argument("--port", type=int, default=8791) | |
| ap.add_argument("--root", default=str(Path(__file__).resolve().parents[2] / "results/review_tool")) | |
| a = ap.parse_args() | |
| root = Path(a.root).resolve() | |
| Handler.root = root | |
| handler = partial(Handler, directory=str(root)) | |
| srv = ThreadingHTTPServer((a.host, a.port), handler) | |
| (root / "server.pid").write_text(str(__import__("os").getpid())) | |
| print(f"serving {root} on http://{a.host}:{a.port}/ (labels -> {root/'labels.jsonl'})", flush=True) | |
| try: | |
| srv.serve_forever() | |
| except KeyboardInterrupt: | |
| pass | |
| return 0 | |
| if __name__ == "__main__": | |
| raise SystemExit(main()) | |
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