""" HeatDebt live dashboard - shows the current exposure score plus a live chart of the score over time. Reads heatdebt_log.csv, the same file heatdebt.py writes to. Run alongside heatdebt.py: python dashboard.py Then visit http://:5000 for a live demo (great for the writeup video). """ import csv import os from flask import Flask, jsonify, render_template_string import config app = Flask(__name__) TEMPLATE = """ HeatDebt

HeatDebt

{% if row %}

Temp: {{ row.temp_c }}C

Exposure score: {{ row.exposure_score }}

Status: {{ row.alert_level }}

Last updated: {{ row.timestamp }}

{% else %}

No data yet - start heatdebt.py first.

{% endif %} """ def read_rows(limit=200): if not os.path.exists(config.LOG_CSV_PATH): return [] with open(config.LOG_CSV_PATH) as f: rows = list(csv.DictReader(f)) return rows[-limit:] @app.route("/") def index(): rows = read_rows() row = rows[-1] if rows else None return render_template_string(TEMPLATE, row=row) @app.route("/data.json") def data_json(): rows = read_rows() return jsonify([ {"timestamp": r["timestamp"], "exposure_score": float(r["exposure_score"])} for r in rows if r.get("exposure_score") ]) if __name__ == "__main__": app.run(host="0.0.0.0", port=5000, debug=False)