update valid python runtimes (#10393)

Author: aalej

CHANGELOG.md

@@ -1,3 +1,4 @@
 - Fixed an issue where hosting deploy allowed publishing to a site in a different project. (#10376)
 - Added 'firebase_deploy' and 'firebase_deploy_status' MCP tools.
 - Added SSE mode support to `firebase mcp`. To use it, run `firebase mcp --mode=sse --port=3000`, and connect your client on `http://localhost:3000`.
+- Update the valid Python runtimes for functions. Default Python runtime is now Python 3.14.

schema/firebase-config.json

@@ -12,7 +12,8 @@
                 "python310",
                 "python311",
                 "python312",
-                "python313"
+                "python313",
+                "python314"
             ],
             "type": "string"
         },
@@ -965,7 +966,8 @@
                         "python310",
                         "python311",
                         "python312",
-                        "python313"
+                        "python313",
+                        "python314"
                     ],
                     "type": "string"
                 },

src/deploy/functions/runtimes/python/index.ts

@@ -62,6 +62,8 @@ export function getPythonBinary(
     return "python3.12";
   } else if (runtime === "python313") {
     return "python3.13";
+  } else if (runtime === "python314") {
+    return "python3.14";
   }
   assertExhaustive(runtime, `Unhandled python runtime ${runtime as string}`);
 }

src/deploy/functions/runtimes/supported/types.ts

@@ -119,6 +119,12 @@ export const RUNTIMES = runtimes({
     deprecationDate: "2029-10-10",
     decommissionDate: "2030-04-10",
   },
+  python314: {
+    friendly: "Python 3.14",
+    status: "GA",
+    deprecationDate: "2030-10-10",
+    decommissionDate: "2031-04-10",
+  },
   dart3: {
     friendly: "Dart 3",
     status: "experimental",