f

MPV/mpv_ipc.py

@@ -7,6 +7,7 @@ This is the central hub for all Python-mpv IPC communication. The Lua script
 should use the Python CLI, which uses this module to manage mpv connections.
 """
 
+import ctypes
 import json
 import os
 import platform
@@ -30,6 +31,23 @@ _LYRIC_LOG_FH: Optional[Any] = None
 _MPV_AVAILABILITY_CACHE: Optional[Tuple[bool, Optional[str]]] = None
 
 
+def _windows_pipe_available(path: str) -> bool:
+    """Check if a Windows named pipe is ready without raising."""
+    if platform.system() != "Windows":
+        return False
+    if not path:
+        return False
+    try:
+        kernel32 = ctypes.windll.kernel32
+        WaitNamedPipeW = kernel32.WaitNamedPipeW
+        WaitNamedPipeW.argtypes = [ctypes.c_wchar_p, ctypes.c_uint32]
+        WaitNamedPipeW.restype = ctypes.c_bool
+        # Timeout 0 ensures we don't block.
+        return bool(WaitNamedPipeW(path, 0))
+    except Exception:
+        return False
+
+
 def _windows_pythonw_exe(python_exe: Optional[str]) -> Optional[str]:
     """Return a pythonw.exe adjacent to python.exe if available (Windows only)."""
     if platform.system() != "Windows":
@@ -970,6 +988,11 @@ class MPVIPCClient:
         try:
             if self.is_windows:
                 # Windows named pipes
+                if not _windows_pipe_available(self.socket_path):
+                    if not self.silent:
+                        debug("Named pipe not available yet: %s" % self.socket_path)
+                    return False
+
                 try:
                     # Try to open the named pipe
                     self.sock = open(self.socket_path, "r+b", buffering=0)