feat: card headers, music art/seek, clearer build card

1 files changed, 24 insertions, 1 deletions

diff --git a/deckit/server.py b/deckit/server.py
index bddbb00..638322f 100644
--- a/deckit/server.py
+++ b/deckit/server.py
@@ -11,11 +11,12 @@ import mimetypes
 import os
 import secrets
 import socketserver
+import subprocess
 import threading
 from http.cookies import CookieError, SimpleCookie
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 from pathlib import Path
-from urllib.parse import parse_qs, urlsplit
+from urllib.parse import parse_qs, unquote, urlparse, urlsplit
 
 from . import config, module, theme
 
@@ -39,6 +40,25 @@ def token_path() -> Path:
     return config.user_config_path().parent / "token"
 
 
+def _run(cmd, timeout=2):
+    try:
+        return subprocess.run(cmd, capture_output=True, text=True, timeout=timeout).stdout.strip()
+    except (OSError, subprocess.TimeoutExpired):
+        return ""
+
+
+def art():
+    """The current track's cover art, if the player exposes a local file."""
+    url = _run(["playerctl", "metadata", "mpris:artUrl"])
+    if not url.startswith("file://"):
+        return None
+    path = Path(unquote(urlparse(url).path))
+    try:
+        return path.read_bytes(), mimetypes.guess_type(path)[0] or "image/png"
+    except OSError:
+        return None
+
+
 def load_token() -> str:
     """A per-machine secret the tablet's browser holds as a cookie."""
     path = token_path()
@@ -98,6 +118,9 @@ class Handler(BaseHTTPRequestHandler):
             if not self._authed():
                 return self._send(401)
             parts = path.strip("/").split("/")
+            if len(parts) == 2 and parts[1] == "art":
+                image = art()
+                return self._send(200, image[0], image[1], cache=True) if image else self._send(404)
             if len(parts) == 2 and parts[1] == "modules":
                 return self._json(REGISTRY.names())
             if len(parts) == 2: