FIX: Relax session ID parsing in Python

Author: threecgreen

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.31.2 - TBD
+
+#### Bug fixes
+- Removed live session ID parsing to `int`, that could cause a session to fail when
+  nothing was wrong
+
 ## 0.31.1 - 2024-03-20
 
 #### Enhancements

databento/live/protocol.py

@@ -80,23 +80,23 @@ def __init__(
         )
         self._gateway_decoder = GatewayDecoder()
 
-        self._authenticated: asyncio.Future[int] = asyncio.Future()
+        self._authenticated: asyncio.Future[str | None] = asyncio.Future()
         self._disconnected: asyncio.Future[None] = asyncio.Future()
         self._started: bool = False
 
     @property
-    def authenticated(self) -> asyncio.Future[int]:
+    def authenticated(self) -> asyncio.Future[str | None]:
         """
         Future that completes when authentication with the gateway is
         completed.
 
-        The result will contain the session id if successful.
+        The result will contain the session ID if successful.
         The exception will contain a BentoError if authentication
         fails for any reason.
 
         Returns
         -------
-        asyncio.Future[int]
+        asyncio.Future[str | None]
 
         """
         return self._authenticated
@@ -391,10 +391,7 @@ def _(self, message: AuthenticationResponse) -> None:
             )
             self.transport.close()
         else:
-            if message.session_id is None:
-                session_id = 0
-            else:
-                session_id = int(message.session_id)
+            session_id = message.session_id
 
             logger.debug(
                 "CRAM authenticated session id assigned `%s`",

databento/live/session.py

@@ -281,17 +281,17 @@ def __init__(
 
         self._user_gateway: str | None = user_gateway
         self._port = port
-        self._session_id: int = 0
+        self._session_id: str | None = None
 
     @property
-    def session_id(self) -> int:
+    def session_id(self) -> str | None:
         """
-        Return the authenticated session ID. A zero value indicates no session
+        Return the authenticated session ID. A None value indicates no session
         has started.
 
         Returns
         -------
-        int
+        str | None
 
         """
         return self._session_id