Removing dependency on pythonPath setting

.vscode/settings.json

@@ -5,6 +5,5 @@
     },
     "search.exclude": {
         "out": true // set this to false to include "out" folder in search results
-    }
-    // Turn off tsc task auto detection since we have the necessary tasks as npm scripts
+    },
 }

package.json

@@ -6,6 +6,9 @@
     "publisher": "__PUBLISHER__",
     "instrumentationKey": "__AIKEY__",
     "icon": "assets/icon.png",
+    "featureFlags": {
+        "usingNewPythonInterpreterPathApi": true
+    },
     "engines": {
         "vscode": "^1.43.0"
     },

src/service/setupService.ts

@@ -171,7 +171,20 @@ export class SetupService {
             : GLOBAL_ENV_VARS.PYTHON;
         // try to get name from interpreter
         try {
-            originalPythonExecutablePath = getConfig(CONFIG.PYTHON_PATH);
+            const extension = vscode.extensions.getExtension("ms-python.python");
+            const usingNewInterpreterStorage = extension.packageJSON?.featureFlags?.usingNewInterpreterStorage;
+            if (usingNewInterpreterStorage) {
+                if (!extension.isActive) {
+                    await extension.activate();
+                }
+                const execCommand = extension.exports.settings.getExecutionDetails ?
+                    extension.exports.settings.getExecutionDetails().execCommand :
+                    extension.exports.settings.getExecutionCommand();
+                    originalPythonExecutablePath = execCommand.join(" ");
+            }
+            else {
+                originalPythonExecutablePath = getConfig(CONFIG.PYTHON_PATH);
+            }
         } catch (err) {
             originalPythonExecutablePath = systemPythonVar;
         }