build_catalog.sh: add cover field (=movie.jpg), bencode hash extraction

build_catalog.sh

@@ -14,7 +14,7 @@
 
 set -euo pipefail
 
-MOVIES_DIR="/data/coolify/applications/e9ghwyp5n5kyfshk55krbhki/movies"
+MOVIES_DIR="${MOVIES_DIR:-/data/coolify/applications/e9ghwyp5n5kyfshk55krbhki/movies}"
 OUT="$MOVIES_DIR/catalog.json"
 
 [[ -d "$MOVIES_DIR" ]] || { echo "Нет папки $MOVIES_DIR"; exit 1; }
@@ -25,6 +25,50 @@ import sys, os, json, datetime
 movies_dir, out = sys.argv[1], sys.argv[2]
 movies = []
 
+def decode_bencode(b, pos):
+    """Minimal bencode decoder. Returns (value, new_pos)."""
+    c = b[pos:pos+1]
+    if c == b'd':
+        pos += 1; dd = {}
+        while b[pos:pos+1] != b'e':
+            kk, pos = decode_bencode(b, pos)
+            vv, pos = decode_bencode(b, pos)
+            dd[kk] = vv
+        return dd, pos+1
+    if c == b'l':
+        pos += 1; ll = []
+        while b[pos:pos+1] != b'e':
+            vv, pos = decode_bencode(b, pos)
+            ll.append(vv)
+        return ll, pos+1
+    if c == b'i':
+        e = b.index(b'e', pos)
+        return int(b[pos+1:e]), e+1
+    # string: <len>:<bytes> -- read the length digits first, then ':'
+    co = pos
+    while b[co:co+1] != b':':
+        co += 1
+    n = int(b[pos:co])
+    s = b[co+1:co+1+n]
+    return s, co+1+n
+
+def encode_bencode(obj):
+    """Re-encode a decoded bencode value back to bytes (canonical)."""
+    if isinstance(obj, int):
+        return b'i' + str(obj).encode('ascii') + b'e'
+    if isinstance(obj, bytes):
+        return str(len(obj)).encode('ascii') + b':' + obj
+    if isinstance(obj, str):
+        b = obj.encode('utf-8')
+        return str(len(b)).encode('ascii') + b':' + b
+    if isinstance(obj, list):
+        return b'l' + b''.join(encode_bencode(x) for x in obj) + b'e'
+    if isinstance(obj, dict):
+        keys = sorted(obj.keys())
+        return b'd' + b''.join(encode_bencode(k) + encode_bencode(obj[k]) for k in keys) + b'e'
+    raise TypeError(obj)
+
+
 for entry in sorted(os.listdir(movies_dir)):
     d = os.path.join(movies_dir, entry)
     if not os.path.isdir(d) or entry.startswith('.'):
@@ -33,7 +77,7 @@ for entry in sorted(os.listdir(movies_dir)):
     # читаем meta.txt
     metafile = os.path.join(d, 'meta.txt')
     if os.path.exists(metafile):
-        for line in open(metafile, encoding='utf-8'):
+        for line in open(metafile, encoding='utf-8', errors='replace'):
             line = line.strip()
             if not line or ':' not in line:
                 continue
@@ -47,13 +91,23 @@ for entry in sorted(os.listdir(movies_dir)):
                 meta['rating'] = float(v)
             elif k in ('title', 'original_title', 'description'):
                 meta[k] = v
-    # обложка
-    poster = None
-    for f in os.listdir(d):
-        if f.lower().endswith(('.jpg', '.jpeg', '.png', '.webp')):
-            poster = f; break
+    # обложка: poster.* для карточки, movie.* для модалки торрента
+    imgs = [f for f in os.listdir(d) if f.lower().endswith(('.jpg', '.jpeg', '.png', '.webp'))]
+    def first(prefix):
+        for f in imgs:
+            if f.lower().startswith(prefix):
+                return f
+        return None
+    poster = first('poster.') or (imgs[0] if imgs else None)
+    movie = first('movie.') or poster
     if poster:
         meta['poster'] = f"movies/{entry}/{poster}"
+    if movie:
+        meta['img'] = f"movies/{entry}/{movie}"
+    # cover: та же картинка, что и фон (img/movie.jpg), для режима 'обложка' в Lampa
+    cover = movie or poster
+    if cover:
+        meta['cover'] = f"movies/{entry}/{cover}"
     # торрент
     torrent = None
     for f in os.listdir(d):
@@ -61,6 +115,19 @@ for entry in sorted(os.listdir(movies_dir)):
             torrent = f; break
     if torrent:
         meta['torrent'] = f"movies/{entry}/{torrent}"
+        # extract info-hash -> magnet (native Lampa torrent playback needs torrent_hash)
+        try:
+            import hashlib
+            tdata = open(os.path.join(d, torrent), 'rb').read()
+            parsed, _ = decode_bencode(tdata, 0)   # parse whole file from the start
+            info = parsed[b'info']
+            # re-encode the info dict to get the exact bencoded bytes for hashing
+            encoded = encode_bencode(info)
+            h = hashlib.sha1(encoded).hexdigest()
+            meta['hash'] = h
+            meta['magnet'] = f"magnet:?xt=urn:btih:{h}"
+        except Exception as e:
+            print('  ! hash error for', entry, e)
     # fallback title
     if 'title' not in meta:
         meta['title'] = entry