Allow connecting to chromecast over IPv6

Author: Mathis-6

pychromecast/__init__.py

@@ -11,6 +11,7 @@
 import threading
 from typing import TYPE_CHECKING, Literal, cast, overload
 from uuid import UUID
+import socket
 
 import zeroconf
 
@@ -336,6 +337,7 @@ def __init__(
             retry_wait=retry_wait,
             services=cast_info.services,
             zconf=zconf,
+            ip_family=socket.AF_INET6 if ':' in cast_info.host else socket.AF_INET,
         )
 
         receiver_controller = self.socket_client.receiver_controller

pychromecast/socket_client.py

@@ -173,6 +173,7 @@ def __init__(
         retry_wait: float | None,
         services: set[HostServiceInfo | MDNSServiceInfo],
         zconf: zeroconf.Zeroconf | None,
+        ip_family: socket.AddressFamily = socket.AF_INET,
     ) -> None:
         super().__init__()
 
@@ -192,6 +193,7 @@ def __init__(
 
         self.host = "unknown"
         self.port = 8009
+        self.ip_family = ip_family
 
         self.source_id = "sender-0"
         self.stop = threading.Event()
@@ -291,7 +293,7 @@ def mdns_backoff(
                         self.socket = None
                         self.remote_selector_key = None
 
-                    self.socket = new_socket()
+                    self.socket = new_socket(self.ip_family)
                     self.remote_selector_key = self.selector.register(
                         self.socket, selectors.EVENT_READ
                     )
@@ -1085,14 +1087,14 @@ def receive_message(self, message: CastMessage, data: dict) -> bool:
         return False
 
 
-def new_socket() -> socket.socket:
+def new_socket(family: socket.AddressFamily) -> socket.socket:
     """
     Create a new socket with OS-specific parameters
 
     Try to set SO_REUSEPORT for BSD-flavored systems if it's an option.
     Catches errors if not.
     """
-    new_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    new_sock = socket.socket(family, socket.SOCK_STREAM)
     new_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 
     try: