support interpreter paths with spaces (microsoft#499)

* support interpreter paths with spaces

* use fileToCommandArgumentForPythonExt and add test

* fix unnecessary edit

* switch to use path.join

* error fix

* fix path to match desired

Author: eleanorjboyd

src/extension/debugger/adapter/factory.ts

@@ -24,6 +24,7 @@ import { Commands, EXTENSION_ROOT_DIR } from '../../common/constants';
 import { Common, DebugConfigStrings, Interpreters } from '../../common/utils/localize';
 import { IPersistentStateFactory } from '../../common/types';
 import { ResolvedEnvironment } from '@vscode/python-extension';
+import { fileToCommandArgumentForPythonExt } from '../../common/stringUtils';
 
 // persistent state names, exported to make use of in testing
 export enum debugStateKeys {
@@ -74,7 +75,7 @@ export class DebugAdapterDescriptorFactory implements IDebugAdapterDescriptorFac
                 sendTelemetryEvent(EventName.DEBUGGER_ATTACH_TO_LOCAL_PROCESS);
             }
 
-            const executable = command.shift() ?? 'python';
+            let executable = command.shift() ?? 'python';
 
             // "logToFile" is not handled directly by the adapter - instead, we need to pass
             // the corresponding CLI switch when spawning it.
@@ -83,6 +84,7 @@ export class DebugAdapterDescriptorFactory implements IDebugAdapterDescriptorFac
             if (configuration.debugAdapterPath !== undefined) {
                 const args = command.concat([configuration.debugAdapterPath, ...logArgs]);
                 traceLog(`DAP Server launched with command: ${executable} ${args.join(' ')}`);
+                executable = fileToCommandArgumentForPythonExt(executable);
                 return new DebugAdapterExecutable(executable, args);
             }
 

src/test/unittest/adapter/factory.unit.test.ts

@@ -41,7 +41,7 @@ suite('Debugging - Adapter Factory', () => {
 
     const nodeExecutable = undefined;
     const debugAdapterPath = path.join(EXTENSION_ROOT_DIR, 'bundled', 'libs', 'debugpy', 'adapter');
-    const pythonPath = path.join('path', 'to', 'python', 'interpreter');
+    const pythonPath = 'path/to/python/interpreter';
     const interpreter = {
         architecture: Architecture.Unknown,
         path: pythonPath,
@@ -291,6 +291,27 @@ suite('Debugging - Adapter Factory', () => {
 
         assert.deepStrictEqual(descriptor, debugExecutable);
     });
+    test('Add quotes to interpreter path with spaces', async () => {
+        const customAdapterPath = 'custom/debug/adapter/customAdapterPath';
+        const session = createSession({ debugAdapterPath: customAdapterPath });
+        const interpreterPathSpaces = 'path/to/python interpreter with spaces';
+        const interpreterPathSpacesQuoted = `"${interpreterPathSpaces}"`;
+        const debugExecutable = new DebugAdapterExecutable(interpreterPathSpacesQuoted, [customAdapterPath]);
+
+        getInterpreterDetailsStub.resolves({ path: [interpreterPathSpaces] });
+        const interpreterSpacePath = {
+            architecture: Architecture.Unknown,
+            path: interpreterPathSpaces,
+            sysPrefix: '',
+            sysVersion: '',
+            envType: 'Unknow',
+            version: new SemVer('3.7.4-test'),
+        };
+        resolveEnvironmentStub.withArgs(interpreterPathSpaces).resolves(interpreterSpacePath);
+        const descriptor = await factory.createDebugAdapterDescriptor(session, nodeExecutable);
+
+        assert.deepStrictEqual(descriptor, debugExecutable);
+    });
 
     test('Use "debugAdapterPython" when specified', async () => {
         const session = createSession({ debugAdapterPython: '/bin/custompy' });