feat: integrate msgpack.Timestamp with datetime.datetime by default

src/socketio/msgpack_packet.py

@@ -1,17 +1,29 @@
+__all__ = ["MsgPackPacket"]
+
+import datetime
 import msgpack
 from . import packet
 
+def _default(o):
+    if isinstance(o, datetime.datetime):
+        return msgpack.Timestamp.from_datetime(o)
+    elif isinstance(o, datetime.date):
+        dt = datetime.datetime.combine(o, datetime.time(), datetime.timezone.utc)
+        return msgpack.Timestamp.from_datetime(dt)
+    elif isinstance(o, datetime.time):
+        return o.isoformat()
+    return o
 
 class MsgPackPacket(packet.Packet):
     uses_binary_events = False
 
     def encode(self):
         """Encode the packet for transmission."""
-        return msgpack.dumps(self._to_dict())
+        return msgpack.dumps(self._to_dict(), default=_default, datetime=True)  # True - convert datetime with timezone to timestamp
 
     def decode(self, encoded_packet):
         """Decode a transmitted package."""
-        decoded = msgpack.loads(encoded_packet)
+        decoded = msgpack.loads(encoded_packet, timestamp=3)  # 3 - convert timestamp to datetime
         self.packet_type = decoded['type']
         self.data = decoded.get('data')
         self.id = decoded.get('id')