Add functionality to retrieve Poetry path from settings (#917)

fixes #918

Author: eleanorjboyd

src/managers/poetry/poetryUtils.ts

@@ -8,6 +8,7 @@ import { traceError, traceInfo } from '../../common/logging';
 import { getWorkspacePersistentState } from '../../common/persistentState';
 import { getUserHomeDir, untildify } from '../../common/utils/pathUtils';
 import { isWindows } from '../../common/utils/platformUtils';
+import { getConfiguration } from '../../common/workspace.apis';
 import {
     isNativeEnvInfo,
     NativeEnvInfo,
@@ -41,6 +42,12 @@ export async function clearPoetryCache(): Promise<void> {
     poetryVirtualenvsPath = undefined;
 }
 
+function getPoetryPathFromSettings(): string | undefined {
+    const config = getConfiguration('python');
+    const value = config.get<string>('poetryPath');
+    return value && typeof value === 'string' ? untildify(value) : value;
+}
+
 async function setPoetry(poetry: string): Promise<void> {
     poetryPath = poetry;
     const state = await getWorkspacePersistentState();
@@ -115,6 +122,14 @@ export async function getPoetry(native?: NativePythonFinder): Promise<string | u
         return untildify(poetryPath);
     }
 
+    // try to get from settings
+    const settingPath = getPoetryPathFromSettings();
+    if (settingPath) {
+        poetryPath = settingPath;
+        traceInfo(`Using poetry from settings: ${settingPath}`);
+        return poetryPath;
+    }
+
     // Check in standard PATH locations
     poetryPath = await findPoetry();
     if (poetryPath) {
@@ -292,7 +307,9 @@ export async function refreshPoetry(
     manager: EnvironmentManager,
 ): Promise<PythonEnvironment[]> {
     traceInfo('Refreshing poetry environments');
-    const data = await nativeFinder.refresh(hardRefresh);
+
+    const searchPath = getPoetryPathFromSettings();
+    const data = await nativeFinder.refresh(hardRefresh, searchPath ? [Uri.file(searchPath)] : undefined);
 
     let poetry = await getPoetry();