Update stubs for os.uname.

src/documentation/api/ApiNode.test.tsx

@@ -9,7 +9,7 @@ import NullLoggingProvider from "../../logging/NullLoggingProvider";
 import { ActiveEditorProvider } from "../../editor/active-editor-hooks";
 import FixedTranslationProvider from "../../messages/FixedTranslationProvider";
 import ScrollablePanel from "../../common/ScrollablePanel";
-import ApiNode, { getDragContext, classToInstanceMap } from "./ApiNode";
+import ApiNode, { getDragContext } from "./ApiNode";
 
 describe("ApiNode", () => {
   const node: ApiDocsEntry = {
@@ -87,8 +87,13 @@ describe("getDragContext", () => {
   it("creates the correct dragContext with a micro:bit class", () => {
     const context = getDragContext("microbit.MicroBitTouchPin", "class");
     expect(context.type).toEqual("example");
-    const classInstance = classToInstanceMap["MicroBitTouchPin"];
-    expect(context.code).toEqual(`from microbit import *\n${classInstance}`);
+    expect(context.code).toEqual(`from microbit import *\npin0`);
+  });
+
+  it("creates the correct dragContext for os.uname", () => {
+    const context = getDragContext("os.uname_result.version", "variable");
+    expect(context.type).toEqual("example");
+    expect(context.code).toEqual(`import os\nos.uname().version`);
   });
 
   it("creates the correct dragContext with __init__", () => {

src/documentation/api/ApiNode.tsx

@@ -51,14 +51,6 @@ const kindToSpacing: Record<string, any> = {
   function: 4,
 };
 
-export const classToInstanceMap: Record<string, string> = {
-  Button: "button_a",
-  MicroBitDigitalPin: "pin0",
-  MicroBitTouchPin: "pin0",
-  MicroBitAnalogDigitalPin: "pin0",
-  Image: "Image.HEART",
-};
-
 interface ApiDocEntryNodeProps extends BoxProps {
   docs: ApiDocsEntry;
   anchor?: Anchor;
@@ -327,11 +319,21 @@ const BaseClasses = ({ value }: { value: ApiDocsBaseClass[] }) => {
   );
 };
 
+const classToInstanceMap: Record<string, string> = {
+  Button: "button_a",
+  MicroBitDigitalPin: "pin0",
+  MicroBitTouchPin: "pin0",
+  MicroBitAnalogDigitalPin: "pin0",
+  Image: "Image.HEART",
+  uname_result: "uname()",
+};
+
 export const getDragContext = (fullName: string, kind: string): DragContext => {
-  const parts = fullName
-    .split(".")
-    .map((p) => (kind === "variable" ? p : classToInstanceMap[p] ?? p))
-    .filter((p) => p !== "__init__");
+  let parts = fullName.split(".").filter((p) => p !== "__init__");
+  // Heuristic identification of e.g. Image.HEART. Sufficient for MicroPython API.
+  if (!parts[parts.length - 1].match(/^[A-Z0-9_]+$/)) {
+    parts = parts.map((p) => classToInstanceMap[p] ?? p);
+  }
   const isMicrobit = parts[0] === "microbit";
   const nameAsWeImportIt = isMicrobit ? parts.slice(1) : parts;
   const code = nameAsWeImportIt.join(".") + (kind === "function" ? "()" : "");