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#!/usr/bin/env python3
"""
Videos among the photos of an album, in a real browser.
Mounts the shipped `PhotosApp` on a made-up index of two photos and a phone's
clip in one folder, with an `onPreview` that records what it was asked to
play. Reads the album card, the clip's tile, the lightbox on the clip, and a
slideshow started on it.
photo_video_probe.py
Prints JSON: one entry per case.
"""
import http.server
import json
import socketserver
import subprocess
import sys
import tempfile
import threading
import time
from pathlib import Path
STATIC = Path(__file__).resolve().parents[2] / "src" / "meshbay_hub" / "static"
PORT = 8777
RECORDS = []
socketserver.TCPServer.allow_reuse_address = True
FRAME = r"""<!doctype html><html><head><meta charset=utf-8>
<link rel="stylesheet" href="/style.css"></head><body>
<div id="photos"></div>
<script type="module">
import { html, render } from '/vendor/htm-preact.js';
import { initLocale, setLocale } from '/i18n.js';
import { PhotosApp } from '/photos-app.js';
const LOGS = [];
addEventListener('error', (e) => LOGS.push('error: ' + (e.message || e)));
addEventListener('unhandledrejection',
(e) => LOGS.push('rejection: ' + (e.reason && e.reason.message || e.reason)));
const frame = () => new Promise((r) => requestAnimationFrame(() => requestAnimationFrame(r)));
const wait = (ms) => new Promise((r) => setTimeout(r, ms));
const ENTRIES = [
{ id: 'p1', name: 'a.jpg', path: 'Pics/2026-10', size: 4, type: 'image', added_at: 1 },
{ id: 'v1', name: 'b.mp4', path: 'Pics/2026-10', size: 9e8, type: 'video', added_at: 2,
duration: 42 },
{ id: 'p2', name: 'c.jpg', path: 'Pics/2026-10', size: 4, type: 'image', added_at: 3 },
];
const PLAYED = [];
const ref = { current: null };
(async () => {
const cases = [];
try {
setLocale('en');
await initLocale();
render(html`<${PhotosApp} groupId="g" transportRef=${ref} gekRef=${ref}
status="connected" entries=${ENTRIES} photoDirectories=${['Pics']}
setError=${() => {}} linkFor=${() => null}
onPreview=${(e) => PLAYED.push(e.id)} />`, document.getElementById('photos'));
await frame();
const card = document.querySelector('.photo-album-card');
cases.push({ case: 'card', text: card ? card.textContent : null });
card.click(); await frame();
const tiles = [...document.querySelectorAll('.photo-tile')];
cases.push({ case: 'tiles', count: tiles.length,
badges: tiles.map((t) => (t.querySelector('.photo-tile-video') || {}).textContent || null) });
tiles[1].click(); await frame();
const title = () => (document.querySelector('.photo-lightbox .video-title') || {}).textContent;
const play = document.querySelector('.photo-lightbox-play');
const onClip = title();
if (play) { play.click(); await frame(); }
cases.push({ case: 'lightbox', title: onClip, play: Boolean(play), played: PLAYED.slice(),
info: (document.querySelector('.photo-lightbox-info') || {}).textContent });
const show = [...document.querySelectorAll('.photo-lightbox .video-close')]
.find((b) => (b.title || '').toLowerCase().includes('slideshow'));
if (show) show.click();
await wait(300); await frame();
cases.push({ case: 'slideshow', button: Boolean(show), now: title() });
parent.postMessage({ cases, logs: LOGS, origin: location.origin }, '*');
} catch (err) {
parent.postMessage({ error: String(err && (err.stack || err)), logs: LOGS }, '*');
}
})();
</script></body></html>"""
PAGE = r"""<!doctype html><html><head><meta charset=utf-8></head>
<body style="margin:0"><div id="frames"></div><script>
addEventListener('message', (e) => {
fetch('/log', { method: 'POST', body: JSON.stringify(e.data) });
});
const f = document.createElement('iframe');
f.src = '/case';
f.style.cssText = 'width:1100px;height:800px;border:0;display:block';
document.getElementById('frames').appendChild(f);
</script></body></html>"""
class H(http.server.BaseHTTPRequestHandler):
def log_message(self, *a):
pass
def do_POST(self):
length = int(self.headers.get("Content-Length") or 0)
if self.path == "/log":
RECORDS.append(json.loads(self.rfile.read(length).decode()))
else:
self.rfile.read(length)
self.send_response(204)
self.end_headers()
def _send(self, body: bytes, ctype: str) -> None:
self.send_response(200)
self.send_header("Content-Type", ctype)
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def do_GET(self):
path = self.path.split("?")[0]
if path == "/":
self._send(PAGE.encode(), "text/html; charset=utf-8")
elif path == "/case":
self._send(FRAME.encode(), "text/html; charset=utf-8")
else:
asset = (STATIC / path.lstrip("/")).resolve()
if not str(asset).startswith(str(STATIC)) or not asset.is_file():
self.send_response(404)
self.end_headers()
return
self._send(asset.read_bytes(),
"text/css" if asset.suffix == ".css"
else "text/javascript" if asset.suffix == ".js"
else "application/octet-stream")
def main() -> int:
with socketserver.TCPServer(("127.0.0.1", PORT), H) as srv:
threading.Thread(target=srv.serve_forever, daemon=True).start()
with tempfile.TemporaryDirectory(ignore_cleanup_errors=True) as profile:
proc = subprocess.Popen(
["google-chrome", "--headless=new", "--disable-gpu", "--no-sandbox",
f"--user-data-dir={profile}", "--window-size=1100,900",
f"http://127.0.0.1:{PORT}/"],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
for _ in range(300):
if RECORDS:
break
time.sleep(0.1)
proc.terminate()
try:
proc.wait(timeout=10)
except subprocess.TimeoutExpired:
proc.kill()
proc.wait()
if not RECORDS:
print(json.dumps({"error": "no measurement"}), file=sys.stderr)
return 1
print(json.dumps(RECORDS[0], indent=1))
return 0
if __name__ == "__main__":
raise SystemExit(main())
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