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administrator
2026-06-05 07:03:21 +02:00
parent 19e05bd013
commit 82de38f02a
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00 PictureCollector/preview_server.py
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#!/usr/bin/env python3
"""
preview_server.py — HTTP server pro náhled fotek z DB.
Spustit v Docker kontejneru python-runner na Tower.
Spuštění:
docker exec -d python-runner python /scripts/preview_server.py
API:
GET /preview?ids=101,202,303
GET /preview?ids=101,202,303&thumb=400
GET /health
"""
import base64
import io
import socketserver
import urllib.parse
from http.server import BaseHTTPRequestHandler
import psycopg
from PIL import Image
# ── Konfigurace ───────────────────────────────────────────────────────────────
PORT = 8765
DB = dict(
host="192.168.1.76", port=5432,
user="vladimir.buzalka",
password="Vlado7309208104++",
dbname="fotky_buzalkovi"
)
# Prefix v DB (jak to zapsal collect_pictures.py na Tower1)
NAS_LINUX_PREFIX = "/mnt/user/ZalohaVsechObrazku/"
# Cesta uvnitř kontejneru (NFS mount přidaný v Unraid Docker UI)
NAS_CONTAINER_PATH = "/mnt/ZalohaVsechObrazku/"
# ── DB dotaz ──────────────────────────────────────────────────────────────────
QUERY = """
SELECT
z.id,
z.cesta_zalohy,
z.velikost,
p.taken_at,
p.taken_at_source,
p.camera_make,
p.camera_model,
p.width,
p.height,
p.megapixels,
p.gps_lat,
p.gps_lon,
COALESCE(
(SELECT string_agg(e.error_code, ', ')
FROM photo_errors e WHERE e.photo_id = p.id),
''
) AS chyby
FROM zaloha_obrazku z
JOIN photos p ON p.zaloha_id = z.id
WHERE z.id = ANY(%s)
"""
def linux_to_container(p: str) -> str:
rel = p.removeprefix(NAS_LINUX_PREFIX)
return NAS_CONTAINER_PATH + rel
def fetch_rows(ids: list[int]) -> list:
conn = psycopg.connect(**DB)
cur = conn.cursor()
cur.execute(QUERY, (ids,))
rows = cur.fetchall()
conn.close()
order = {rid: i for i, rid in enumerate(ids)}
return sorted(rows, key=lambda r: order.get(r[0], 9999))
# ── Thumbnaily ────────────────────────────────────────────────────────────────
def make_thumb_b64(path: str, size: int) -> str | None:
try:
img = Image.open(path)
img.thumbnail((size, size), Image.LANCZOS)
if img.mode not in ("RGB", "L"):
img = img.convert("RGB")
buf = io.BytesIO()
img.save(buf, format="JPEG", quality=82)
return base64.b64encode(buf.getvalue()).decode()
except Exception:
return None
# ── HTML ──────────────────────────────────────────────────────────────────────
def format_size(n) -> str:
if n is None:
return "?"
for unit in ("B", "kB", "MB", "GB"):
if n < 1024:
return f"{n:.0f} {unit}"
n /= 1024
return f"{n:.1f} GB"
def render_html(rows: list, ids: list[int], thumb_size: int) -> str:
cards = []
ok = 0
for i, row in enumerate(rows, 1):
(rid, cesta, velikost, taken_at, taken_src,
make_, model, width, height, mp, lat, lon, chyby) = row
container_path = linux_to_container(cesta)
b64 = make_thumb_b64(container_path, thumb_size)
if b64:
ok += 1
img_tag = f'<img src="data:image/jpeg;base64,{b64}" alt="foto" data-id="{rid}" onclick="openLightbox(this)">'
card_cls = "card"
else:
img_tag = (
'<div class="no-img">⚠ soubor nedostupný</div>'
)
card_cls = "card broken"
camera = " ".join(filter(None, [make_, model])) or "<em>neznámá</em>"
date_str = taken_at.strftime("%Y-%m-%d %H:%M") if taken_at else "?"
res = f"{width}×{height}" if width and height else "?"
mp_str = f"{mp:.1f} Mpx" if mp else ""
gps_link = (
f'<a href="https://maps.google.com/?q={lat},{lon}" target="_blank">'
f'📍 {lat:.4f}, {lon:.4f}</a>'
if lat and lon else ""
)
chyby_html = f'<div class="err">{chyby}</div>' if chyby else ""
cards.append(f"""
<div class="{card_cls}">
<div class="thumb">{img_tag}</div>
<div class="meta">
<div class="idx">id={rid} &nbsp;#{i}</div>
<div><strong>{date_str}</strong> <span class="src">({taken_src})</span></div>
<div>📷 {camera}</div>
<div>{res} {mp_str} &nbsp; {format_size(velikost)}</div>
{"<div>" + gps_link + "</div>" if gps_link else ""}
{chyby_html}
<div class="path" title="{container_path}">{container_path}</div>
</div>
</div>""")
missing_ids = set(ids) - {r[0] for r in rows}
missing_note = ""
if missing_ids:
missing_note = f'<div class="warn">ID nenalezena v DB: {sorted(missing_ids)}</div>'
return f"""<!DOCTYPE html>
<html lang="cs">
<head>
<meta charset="utf-8">
<title>Preview fotek ({len(rows)})</title>
<style>
body {{ font-family: sans-serif; background: #1a1a2e; color: #eee; margin: 0; padding: 16px; }}
h1 {{ color: #e0c97f; margin-bottom: 4px; }}
.info {{ color: #aaa; margin-bottom: 16px; font-size: .9em; }}
.warn {{ color: #f99; margin-bottom: 12px; }}
.grid {{ display: flex; flex-wrap: wrap; gap: 16px; }}
.card {{ background: #16213e; border-radius: 8px; overflow: hidden;
width: {thumb_size + 24}px; box-shadow: 0 2px 8px #0006; }}
.card.broken {{ opacity: .55; }}
.thumb {{ display:flex; align-items:center; justify-content:center;
background:#0f3460; min-height: 120px; }}
.thumb img {{ max-width:100%; max-height:{thumb_size}px; display:block; }}
.no-img {{ color:#f88; padding:20px; text-align:center; font-size:.85em; }}
.meta {{ padding: 8px 12px; font-size: .78em; line-height: 1.75; }}
.meta strong {{ font-size: 1em; }}
.idx {{ float:right; color:#666; font-size:.75em; }}
.src {{ color:#888; }}
.err {{ color:#f99; }}
.path {{ color:#555; word-break:break-all; margin-top:4px; font-size:.7em; }}
a {{ color:#7ec8e3; }}
.thumb img {{ cursor: zoom-in; }}
/* Lightbox */
#lightbox {{
display: none; position: fixed; inset: 0;
background: #000c; z-index: 1000;
align-items: center; justify-content: center;
}}
#lightbox.active {{ display: flex; }}
#lightbox img {{
max-width: 95vw; max-height: 95vh;
object-fit: contain;
border-radius: 4px;
box-shadow: 0 0 40px #000a;
cursor: zoom-out;
}}
</style>
</head>
<body>
<div id="lightbox" onclick="closeLightbox()">
<img id="lightbox-img" src="" alt="" onclick="event.stopPropagation()">
<div id="lightbox-spin" style="display:none;color:#fff;font-size:2em;">⏳</div>
</div>
<script>
function openLightbox(thumb) {{
var lb = document.getElementById('lightbox');
var lbImg = document.getElementById('lightbox-img');
var spin = document.getElementById('lightbox-spin');
var id = thumb.dataset.id;
lbImg.src = '';
lbImg.style.display = 'none';
spin.style.display = 'block';
lb.classList.add('active');
var full = new Image();
full.onload = function() {{
lbImg.src = full.src;
lbImg.style.display = 'block';
spin.style.display = 'none';
}};
full.src = '/image?id=' + id;
}}
function closeLightbox() {{
document.getElementById('lightbox').classList.remove('active');
document.getElementById('lightbox-img').src = '';
}}
document.addEventListener('keydown', e => {{ if (e.key === 'Escape') closeLightbox(); }});
</script>
<h1>Preview fotek</h1>
<div class="info">
Celkem ID: <strong>{len(ids)}</strong> &nbsp;·&nbsp;
Načteno z DB: <strong>{len(rows)}</strong> &nbsp;·&nbsp;
Obrázky dostupné: <strong>{ok}/{len(rows)}</strong>
</div>
{missing_note}
<div class="grid">
{"".join(cards)}
</div>
</body>
</html>"""
# ── HTTP handler ──────────────────────────────────────────────────────────────
class Handler(BaseHTTPRequestHandler):
def log_message(self, format, *args):
print(f"[{self.address_string()}] {format % args}", flush=True)
def do_GET(self):
parsed = urllib.parse.urlparse(self.path)
# ── /health ──────────────────────────────────────────────────────────
if parsed.path == "/health":
self._text(200, "OK")
return
# ── /image ───────────────────────────────────────────────────────────
if parsed.path == "/image":
params = urllib.parse.parse_qs(parsed.query)
try:
zid = int(params.get("id", [""])[0])
except ValueError:
self._text(400, "Chybí id")
return
conn = psycopg.connect(**DB)
cur = conn.cursor()
cur.execute(
"SELECT z.cesta_zalohy FROM zaloha_obrazku z JOIN photos p ON p.zaloha_id = z.id WHERE z.id = %s",
(zid,)
)
row = cur.fetchone()
conn.close()
if not row:
self._text(404, "ID nenalezeno")
return
path = linux_to_container(row[0])
try:
data = open(path, "rb").read()
self.send_response(200)
self.send_header("Content-Type", "image/jpeg")
self.send_header("Content-Length", str(len(data)))
self.end_headers()
self.wfile.write(data)
except Exception as ex:
self._text(404, f"Soubor nedostupný: {ex}")
return
# ── /preview ─────────────────────────────────────────────────────────
if parsed.path != "/preview":
self._text(404, "Not found. Použij /preview?ids=101,202,303")
return
params = urllib.parse.parse_qs(parsed.query)
ids_raw = params.get("ids", [""])[0]
thumb = int(params.get("thumb", ["320"])[0])
try:
ids = [int(x.strip()) for x in ids_raw.split(",") if x.strip()]
except ValueError:
self._text(400, "Chybné IDs — očekávaný formát: ?ids=101,202,303")
return
if not ids:
self._text(400, "Chybí IDs — např. /preview?ids=101,202,303")
return
print(f" → {len(ids)} IDs, thumb={thumb}px", flush=True)
rows = fetch_rows(ids)
html = render_html(rows, ids, thumb)
encoded = html.encode("utf-8")
self.send_response(200)
self.send_header("Content-Type", "text/html; charset=utf-8")
self.send_header("Content-Length", str(len(encoded)))
self.end_headers()
self.wfile.write(encoded)
def _text(self, code: int, msg: str):
body = msg.encode("utf-8")
self.send_response(code)
self.send_header("Content-Type", "text/plain; charset=utf-8")
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
# ── Main ──────────────────────────────────────────────────────────────────────
if __name__ == "__main__":
print(f"Preview server běží na http://0.0.0.0:{PORT}", flush=True)
print(f"Test: http://tower:{PORT}/health", flush=True)
print(f"Použití: http://tower:{PORT}/preview?ids=101,202,303&thumb=400", flush=True)
socketserver.TCPServer.allow_reuse_address = True
with socketserver.TCPServer(("", PORT), Handler) as httpd:
httpd.serve_forever()
POSTUP.md
+12
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@@ -82,6 +82,18 @@ Tyto cesty **nechceme** — `wanted` zůstane FALSE, nezpracovávat:
| Kamera / kritérium | wanted | category | Počet |
|---|---|---|---|
| BolyMedia SG520 | TRUE | Fotopast | 42 688 |
| Apple iPhones + iPad (viz update_wanted.py) | TRUE | Rodina | — |
| 15 kompaktů (Panasonic, Canon, GoPro, …) | TRUE | Rodina | — |
| Samsung + profesionální (Nikon D5/D4…) | TRUE | Rodina | — |
| 32 dalších fotoaparátů (update_wanted_batch2.py) | TRUE | Rodina | 13 056 |
### Vyloučené skenery (wanted=FALSE, category='Skener-nechceme')
| Skener | Počet | Poznámka |
|---|---|---|
| CanoScan 8800F (`make IS NULL`) | 1 567 | Skeny, nechceme |
> Ostatní skenery (LiDE 300/210/100, 4400F, HP Scanjet G2710, pls3015, djf300/2100/2200, MP210/190) — **dosud nerozhodnuto**.
### Na řadě