237 lines
7.6 KiB
Python
237 lines
7.6 KiB
Python
#!/usr/bin/env python3
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"""
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Recounting dashboard — consumes live counter + recount APIs,
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lists OUTPUT_DIR MP4 files, streams MP4 via ffmpeg RTSP → go2rtc for preview.
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"""
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import json
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import os
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import re
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import subprocess
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import threading
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import requests
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from datetime import datetime
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from pathlib import Path
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from flask import Flask, render_template, jsonify, request, Response, send_file
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from werkzeug.serving import WSGIRequestHandler
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from dotenv import load_dotenv
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load_dotenv()
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app = Flask(__name__, template_folder="templates")
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app.config["SECRET_KEY"] = os.getenv("SECRET_KEY", "change-me-in-production")
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OUTPUT_DIR = os.getenv("OUTPUT_DIR", "/opt/bytetrack-counter")
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LIVE_API_URL = os.getenv("LIVE_API_URL", "http://localhost:5000")
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RECOUNT_API_URL = os.getenv("RECOUNT_API_URL", "http://localhost:5001")
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GO2RTC_URL = os.getenv("GO2RTC_URL", "http://localhost:1984")
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RTSP_PORT = os.getenv("RTSP_PORT", "8554")
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STREAM_NAME = os.getenv("RECOUNT_STREAM_NAME", "stream_1")
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SITE_NAME = os.getenv("SITE_NAME", "RECOUNT")
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DASHBOARD_PORT = int(os.getenv("RECOUNTING_DASHBOARD_PORT", "5002"))
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DASHBOARD_HOST = os.getenv("DASHBOARD_HOST", "0.0.0.0")
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FLASK_DEBUG = os.getenv("FLASK_DEBUG", "false").lower() == "true"
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_http_session = requests.Session()
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_http_session.timeout = 3
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_FILENAME_RE = re.compile(r"batch[_-](\d+)[_-](\d{8})[_-]\d{6}\.mp4", re.IGNORECASE)
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_streaming_mp4 = None
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_streaming_lock = threading.Lock()
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_streaming_proc = None
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_current_file = None
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def _parse_filename(filename):
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m = _FILENAME_RE.match(filename)
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if m:
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batch_num = int(m.group(1))
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date_str = m.group(2)
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date_formatted = f"{date_str[:4]}-{date_str[4:6]}-{date_str[6:8]}"
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return batch_num, date_formatted
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return None, None
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def _api_get(base_url, path, default=None):
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try:
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resp = _http_session.get(f"{base_url}{path}")
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if resp.status_code == 200:
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return resp.json()
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except Exception:
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pass
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return default
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def _stop_ffmpeg_locked():
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global _streaming_proc, _streaming_mp4
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if _streaming_proc:
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try:
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_streaming_proc.kill()
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_streaming_proc.wait(timeout=3)
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except Exception:
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pass
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_streaming_proc = None
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_streaming_mp4 = None
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@app.route("/")
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def index():
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return render_template("recounting.html", site_name=SITE_NAME, output_dir=OUTPUT_DIR)
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@app.route("/api/live-progress")
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def api_live_progress():
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data = _api_get(LIVE_API_URL, "/api/current-batch")
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if data and data.get("success"):
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return jsonify(data)
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return jsonify({"success": False, "count": 0, "batch_number": None, "error": "Live unreachable"}), 200
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@app.route("/api/recount-progress")
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def api_recount_progress():
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data = _api_get(RECOUNT_API_URL, "/api/current-batch")
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if data and data.get("success"):
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return jsonify(data)
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return jsonify({"success": False, "count": 0, "batch_number": None, "error": "Recount unreachable"}), 200
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@app.route("/api/mp4-files")
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def api_mp4_files():
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files = []
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output = Path(OUTPUT_DIR)
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if output.exists():
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for f in sorted(output.rglob("*.mp4"), key=lambda p: p.stat().st_mtime, reverse=True):
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st = f.stat()
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files.append({
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"name": f.name,
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"path": str(f),
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"size": st.st_size,
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"mtime": datetime.fromtimestamp(st.st_mtime).isoformat(),
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})
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return jsonify(files)
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@app.route("/api/start-recount", methods=["POST"])
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def start_recount():
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global _streaming_mp4, _streaming_proc, _current_file
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data = request.get_json(force=True) or {}
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mp4_path = data.get("path", "")
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if not mp4_path:
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return jsonify({"success": False, "error": "Missing 'path'"}), 400
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if not os.path.isfile(mp4_path):
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return jsonify({"success": False, "error": f"File not found: {mp4_path}"}), 404
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with _streaming_lock:
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_stop_ffmpeg_locked()
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_current_file = mp4_path
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cmd = [
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"ffmpeg", "-re", "-i", mp4_path,
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"-vf", "scale=640:480",
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"-c:v", "libx264", "-preset", "veryfast",
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"-c:a", "aac",
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"-f", "rtsp", f"rtsp://localhost:{RTSP_PORT}/{STREAM_NAME}",
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]
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_streaming_proc = subprocess.Popen(cmd, stderr=subprocess.DEVNULL)
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_streaming_mp4 = mp4_path
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return jsonify({
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"success": True,
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"stream_url": f"{RECOUNT_API_URL}/api/live-video",
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"file": Path(mp4_path).name,
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"path": mp4_path,
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})
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@app.route("/api/stop-recount", methods=["POST"])
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def stop_recount():
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global _current_file
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with _streaming_lock:
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_stop_ffmpeg_locked()
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_current_file = None
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return jsonify({"success": True})
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@app.route("/api/state")
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def api_state():
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with _streaming_lock:
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streaming = _streaming_proc is not None and _streaming_proc.poll() is None
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mp4 = _streaming_mp4
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current_file = _current_file
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result = {
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"streaming": streaming,
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}
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if current_file:
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result["file"] = current_file
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result["file_name"] = Path(current_file).name
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result["stream_url"] = f"{RECOUNT_API_URL}/api/live-video"
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batch_num, date_str = _parse_filename(Path(current_file).name)
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if batch_num is not None:
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result["batch_number"] = batch_num
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result["batch_date"] = date_str
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return jsonify(result)
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@app.route("/api/download-mp4")
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def api_download_mp4():
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fpath = request.args.get("file", "")
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if not fpath or not os.path.isfile(fpath):
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return jsonify({"success": False, "error": "File not found"}), 404
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return send_file(fpath, as_attachment=True, download_name=Path(fpath).name)
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@app.route("/api/batch-result")
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def api_batch_result():
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fpath = request.args.get("file", "")
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filename = Path(fpath).name
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batch_num, date_str = _parse_filename(filename)
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if batch_num is None:
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return jsonify({"success": False, "error": "Cannot parse batch number from filename"}), 200
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def _match_in_batches(batches):
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for b in batches:
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if b.get("batch_number") == batch_num:
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return b
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return None
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data = _api_get(LIVE_API_URL, f"/api/day-detail/{date_str}")
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if data:
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b = _match_in_batches(data.get("batches", []))
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if b:
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return jsonify({
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"success": True,
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"batch_number": batch_num,
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"date": date_str,
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"count": b["count"],
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"start_time": b.get("start_time"),
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"end_time": b.get("end_time"),
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})
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recent = _api_get(LIVE_API_URL, "/api/recent-batches?limit=100")
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if recent:
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for entry in recent if isinstance(recent, list) else recent.get("batches", []):
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if isinstance(entry, dict) and entry.get("batch_number") == batch_num:
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return jsonify({
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"success": True,
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"batch_number": batch_num,
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"date": entry.get("date", date_str),
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"count": entry["count"],
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"start_time": entry.get("start_time"),
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"end_time": entry.get("end_time"),
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})
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return jsonify({"success": False, "error": f"Batch #{batch_num} not found"}), 200
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if __name__ == "__main__":
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WSGIRequestHandler.protocol_version = "HTTP/1.1"
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print(f"Recounting dashboard at http://{DASHBOARD_HOST}:{DASHBOARD_PORT}")
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print(f"Live API: {LIVE_API_URL}")
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print(f"Recount API: {RECOUNT_API_URL}")
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print(f"go2rtc: {GO2RTC_URL}")
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print(f"RTSP: rtsp://localhost:{RTSP_PORT}/{STREAM_NAME}")
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print(f"OUTPUT_DIR: {OUTPUT_DIR}")
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app.run(host=DASHBOARD_HOST, port=DASHBOARD_PORT, debug=FLASK_DEBUG)
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