[DO NOT MERGE] Preview of forthcoming beta MicroPython

src/micropython/micropython.ts

@@ -7,6 +7,8 @@ import { IntelHexWithId } from "@microbit/microbit-fs";
 import { microbitBoardId } from "@microbit/microbit-universal-hex";
 import microPythonV1HexUrl from "./microbit-micropython-v1.hex";
 import microPythonV2HexUrl from "./main/microbit-micropython-v2.hex";
+import microPythonV2BetaHexUrl from "./beta/microbit-micropython-v2.hex";
+import { stage } from "../environment";
 
 const v2Main = {
   name: "MicroPython (micro:bit V2)",
@@ -16,6 +18,18 @@ const v2Main = {
   web: "https://github.com/microbit-foundation/micropython-microbit-v2/releases/tag/v2.1.2",
 };
 
+// This isn't the beta yet - we're using a branch build temporarily.
+const v2Beta = {
+  name: "MicroPython (micro:bit V2)",
+  url: microPythonV2BetaHexUrl,
+  boardId: microbitBoardId.V2,
+  version: "0b06914c71c18533da90df85230ac198578669bf",
+  // It's not the beta yet!
+  web: "https://github.com/microbit-foundation/micropython-microbit-v2/pull/163",
+};
+
+const isBetaMicroPython = stage !== "PRODUCTION";
+
 export const microPythonConfig = {
   versions: [
     {
@@ -25,11 +39,11 @@ export const microPythonConfig = {
       version: "1.1.1",
       web: "https://github.com/bbcmicrobit/micropython/releases/tag/v1.1.1",
     },
-    v2Main,
+    isBetaMicroPython ? v2Beta : v2Main,
   ],
   // We've previously used this field to allow flags to affect
   // the stubs used and might do so again.
-  stubs: "main",
+  stubs: isBetaMicroPython ? "beta" : "main",
 };
 
 const fetchValidText = async (input: RequestInfo) => {

src/simulator/Simulator.tsx

@@ -17,7 +17,7 @@ import HideSplitViewButton from "../common/SplitView/HideSplitViewButton";
 import { topBarHeight } from "../deployment/misc";
 import { DeviceContextProvider } from "../device/device-hooks";
 import { SimulatorDeviceConnection } from "../device/simulator";
-import { stage } from "../environment";
+// import { stage } from "../environment";
 import { useLogging } from "../logging/logging-hooks";
 import SimulatorActionBar from "./SimulatorActionBar";
 import SimulatorSplitView from "./SimulatorSplitView";
@@ -43,14 +43,14 @@ const Simulator = ({
   minWidth,
   simFocus,
 }: SimulatorProps) => {
-  const production =
-    "https://python-simulator.usermbit.org/v/0.1/simulator.html";
-  const staging =
-    "https://python-simulator.usermbit.org/staging/simulator.html";
-  const url = stage === "PRODUCTION" ? production : staging;
+  // const production =
+  //   "https://python-simulator.usermbit.org/v/0.1/simulator.html";
+  // const staging =
+  //   "https://python-simulator.usermbit.org/staging/simulator.html";
+  // const url = stage === "PRODUCTION" ? production : staging;
   // For testing with sim branches:
-  //const branch = "upgrade-mpy";
-  //const url = `https://review-python-simulator.usermbit.org/${branch}/simulator.html`;
+  const branch = "beta-updates";
+  const url = `https://review-python-simulator.usermbit.org/${branch}/simulator.html`;
 
   const ref = useRef<HTMLIFrameElement>(null);
   const intl = useIntl();