Files
N22/python_scripts/generate_indkorsel_gallery.py
T

193 lines
8.3 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
#!/usr/bin/env python3
"""Generate HTML gallery for indkorsel person-detection snapshots.
Called via shell_command after each new snapshot is saved.
Output: /config/www/snapshots/indkorsel_gallery.html
"""
import os
import glob
from datetime import datetime
SNAPSHOT_DIR = "/config/www/snapshots/indkorsel"
OUTPUT_FILE = "/config/www/snapshots/indkorsel_gallery.html"
LOADER_FILE = "/config/www/snapshots/indkorsel_loader.html"
MAX_SNAPSHOTS = 500
def parse_timestamp(filename):
base = os.path.basename(filename).replace(".jpg", "")
try:
dt = datetime.strptime(base, "%Y-%m-%d_%H-%M-%S")
return dt.strftime("%-d. %b %Y %H:%M:%S")
except Exception:
return base
os.makedirs(SNAPSHOT_DIR, exist_ok=True)
files = sorted(
[f for f in glob.glob(os.path.join(SNAPSHOT_DIR, "*.jpg"))
if os.path.basename(f) != "latest.jpg"],
reverse=True
)[:MAX_SNAPSHOTS]
items_html = ""
images_js = [] # [{src, ts}, ...] for JS navigation
for f in files:
rel = "/local/snapshots/indkorsel/" + os.path.basename(f)
ts = parse_timestamp(f)
idx = len(images_js)
items_html += f"""
<div class="thumb" onclick="openModal({idx})">
<img src="{rel}" loading="lazy" alt="{ts}"/>
<div class="ts">{ts}</div>
</div>"""
images_js.append({"src": rel, "ts": ts})
import json as _json
images_js_str = _json.dumps(images_js)
version = datetime.now().strftime("%Y%m%d%H%M%S")
html = f"""<!DOCTYPE html>
<html lang="da"><head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Indkorsel snapshots</title>
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0">
<style>
.prune-btn{{display:inline-block;margin-left:12px;padding:3px 10px;font-size:11px;border:1px solid #c44;background:transparent;color:#c88;border-radius:12px;cursor:pointer;vertical-align:middle;transition:background .15s,color .15s}}
.prune-btn:hover{{background:#c44;color:#fff}}
.prune-btn:disabled{{opacity:.4;cursor:default}}
*{{box-sizing:border-box;margin:0;padding:0}}
body{{background:#111;color:#ddd;font-family:sans-serif;padding:10px}}
h2{{padding:8px 0 14px;font-size:13px;opacity:.5;font-weight:normal}}
.grid{{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:6px}}
.thumb{{cursor:pointer;border-radius:7px;overflow:hidden;background:#222;transition:transform .12s,opacity .12s}}
.thumb:hover{{transform:scale(1.02);opacity:.9}}
.thumb img{{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}}
.ts{{font-size:10px;padding:4px 6px;opacity:.5;text-align:center}}
.modal{{display:none;position:fixed;inset:0;background:rgba(0,0,0,.93);z-index:9999;flex-direction:column;justify-content:center;align-items:center}}
.modal.show{{display:flex}}
.modal img{{max-width:96vw;max-height:82vh;border-radius:8px;object-fit:contain;box-shadow:0 4px 40px rgba(0,0,0,.6)}}
.modal-ts{{margin-top:12px;font-size:14px;opacity:.6;letter-spacing:.3px}}
.modal-counter{{margin-top:4px;font-size:11px;opacity:.35;letter-spacing:.3px}}
.close{{position:absolute;top:14px;right:18px;font-size:32px;cursor:pointer;opacity:.5;line-height:1;user-select:none}}
.close:hover{{opacity:1}}
.nav{{position:absolute;top:50%;transform:translateY(-50%);font-size:44px;cursor:pointer;opacity:.35;user-select:none;padding:0 18px;line-height:1}}
.nav:hover{{opacity:.9}}
.nav.prev{{left:0}} .nav.next{{right:0}}
.nav.disabled{{opacity:.08;cursor:default;pointer-events:none}}
.empty{{padding:40px;text-align:center;opacity:.4;font-size:14px}}
.reload-badge{{position:fixed;bottom:14px;right:14px;background:#1a73e8;color:#fff;padding:6px 14px;border-radius:20px;font-size:12px;cursor:pointer;display:none;z-index:9998}}
</style>
</head><body>
<h2>Viser {len(files)} person-snapshots &ndash; Indkorsel
<button class="prune-btn" id="pruneBtn" onclick="pruneSnapshots()" title="Slet alle undtagen de 100 nyeste">Behold sidste 100</button>
</h2>
{"<div class='grid'>" + items_html + "</div>" if files else "<div class='empty'>Ingen snapshots endnu.</div>"}
<div id="reload-badge" class="reload-badge" onclick="window.location.reload(true)">Nye billeder &#8211; tryk for at opdatere</div>
<div class="modal" id="modal">
<span class="close" onclick="closeModal()">&#x2715;</span>
<span class="nav prev" id="navPrev" onclick="navigate(-1)">&#x2039;</span>
<img id="mimg" src="" alt=""/>
<span class="nav next" id="navNext" onclick="navigate(1)">&#x203a;</span>
<div class="modal-ts" id="mts"></div>
<div class="modal-counter" id="mcounter"></div>
</div>
<script>
const IMGS = {images_js_str};
const VERSION = '{version}';
let cur = 0;
function openModal(idx){{
cur = idx;
render();
document.getElementById('modal').classList.add('show');
}}
function render(){{
const item = IMGS[cur];
document.getElementById('mimg').src = item.src;
document.getElementById('mts').textContent = item.ts;
document.getElementById('mcounter').textContent = (cur+1) + ' / ' + IMGS.length;
document.getElementById('navPrev').classList.toggle('disabled', cur === 0);
document.getElementById('navNext').classList.toggle('disabled', cur === IMGS.length - 1);
}}
function navigate(dir){{
const next = cur + dir;
if(next >= 0 && next < IMGS.length){{ cur = next; render(); }}
}}
function closeModal(){{
document.getElementById('modal').classList.remove('show');
document.getElementById('mimg').src = '';
}}
document.addEventListener('keydown', e => {{
if(!document.getElementById('modal').classList.contains('show')) return;
if(e.key === 'ArrowLeft') navigate(-1);
if(e.key === 'ArrowRight') navigate(1);
if(e.key === 'Escape') closeModal();
}});
document.getElementById('modal').addEventListener('click', function(e){{
if(e.target === this) closeModal();
}});
function pruneSnapshots(){{
if(!confirm('Slet alle undtagen de 100 nyeste billeder?')) return;
const btn = document.getElementById('pruneBtn');
btn.disabled = true;
btn.textContent = 'Sletter...';
fetch('/api/webhook/indkorsel_prune_100', {{method:'POST'}})
.then(() => {{
btn.textContent = 'Færdig genindlæser...';
setTimeout(() => window.location.reload(true), 3500);
}})
.catch(() => {{
btn.disabled = false;
btn.textContent = 'Fejl prøv igen';
}});
}}
// Tjek hvert 60 sek om der er en nyere version af galleriet
setInterval(() => {{
fetch('/local/snapshots/indkorsel_loader.html?_=' + Date.now())
.then(r => r.text())
.then(html => {{
const m = html.match(/[?]v=(\\d+)/);
if(m && m[1] !== VERSION) document.getElementById('reload-badge').style.display = 'block';
}}).catch(() => {{}});
}}, 60000);
</script>
</body></html>"""
with open(OUTPUT_FILE, "w", encoding="utf-8") as fh:
fh.write(html)
# Write a tiny loader page that always redirects to gallery with current timestamp
# so the iframe in HA never serves a cached version
cache_bust = version
loader = f"""<!DOCTYPE html>
<html><head>
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0">
<meta http-equiv="refresh" content="0; url=/local/snapshots/indkorsel_gallery.html?v={cache_bust}">
</head><body></body></html>"""
with open(LOADER_FILE, "w", encoding="utf-8") as fh:
fh.write(loader)
print(f"Gallery updated: {len(files)} snapshots -> {OUTPUT_FILE}")
# Update dashboard YAML iframe URL version so browser always fetches fresh loader
DASHBOARD_VIEW = "/config/dashboards/views/06c_indkorsel_snapshots.yaml"
try:
import re as _re
with open(DASHBOARD_VIEW, "r", encoding="utf-8") as fh:
dash = fh.read()
updated = _re.sub(
r'(url: /local/snapshots/indkorsel_loader\.html)(\?v=\d+)?',
rf'\1?v={version}',
dash
)
if updated != dash:
with open(DASHBOARD_VIEW, "w", encoding="utf-8") as fh:
fh.write(updated)
except Exception as _e:
print(f"Warning: could not update dashboard YAML: {_e}")