radio: minor/misc_util: add coffee 'Kopi luwak'

util/radio_util.py

@@ -7,7 +7,8 @@ from aiohttp import ClientSession, ClientTimeout
 async def get_now_playing() -> Optional[str]:
     """
     Get radio now playing
-    
+    Args:
+        None
     Returns:
         str
     """
@@ -24,4 +25,26 @@ async def get_now_playing() -> Optional[str]:
     except Exception as e:
         logging.critical("Now playing retrieval failed: %s",
                       str(e))
-        return None   
+        return None   
+
+async def skip() -> bool:
+    """
+    Ask LiquidSoap server to skip to the next track
+    Args:
+        None
+    Returns:
+        bool
+    """
+    try:
+        ls_uri: str = "http://127.0.0.1:29000"
+        async with ClientSession() as session:
+                async with session.get(f"{ls_uri}/next",
+                                timeout=ClientTimeout(connect=2, sock_read=2)) as request:
+                    request.raise_for_status()
+                    text: Optional[str] = await request.text()
+                    return text == "OK"
+    except Exception as e:
+        logging.debug("Skip failed: %s", str(e))    
+    
+    return False   # failsafe   
+