Fix poetry version (#445)

src/cache-distributions/poetry-cache.ts

@@ -1,9 +1,11 @@
 import * as glob from '@actions/glob';
-import * as os from 'os';
+import * as io from '@actions/io';
 import * as path from 'path';
 import * as exec from '@actions/exec';
+import * as core from '@actions/core';
 
 import CacheDistributor from './cache-distributor';
+import {logWarning} from '../utils';
 
 class PoetryCache extends CacheDistributor {
   constructor(
@@ -28,6 +30,26 @@ class PoetryCache extends CacheDistributor {
       paths.push(path.join(process.cwd(), '.venv'));
     }
 
+    const pythonLocation = await io.which('python');
+
+    if (pythonLocation) {
+      core.debug(`pythonLocation is ${pythonLocation}`);
+      const {
+        exitCode,
+        stderr
+      } = await exec.getExecOutput(
+        `poetry env use ${pythonLocation}`,
+        undefined,
+        {ignoreReturnCode: true}
+      );
+
+      if (exitCode) {
+        logWarning(stderr);
+      }
+    } else {
+      logWarning('python binaries were not found in PATH');
+    }
+
     return paths;
   }
 

src/setup-python.ts

@@ -5,7 +5,12 @@ import * as path from 'path';
 import * as os from 'os';
 import fs from 'fs';
 import {getCacheDistributor} from './cache-distributions/cache-factory';
-import {isCacheFeatureAvailable, IS_LINUX, IS_WINDOWS} from './utils';
+import {
+  isCacheFeatureAvailable,
+  logWarning,
+  IS_LINUX,
+  IS_WINDOWS
+} from './utils';
 
 function isPyPyVersion(versionSpec: string) {
   return versionSpec.startsWith('pypy');
@@ -115,9 +120,4 @@ async function run() {
   }
 }
 
-export function logWarning(message: string): void {
-  const warningPrefix = '[warning]';
-  core.info(`${warningPrefix}${message}`);
-}
-
 run();

src/utils.ts

@@ -136,3 +136,8 @@ export async function getLinuxOSReleaseInfo() {
 
   return `${osVersion}-${osRelease}`;
 }
+
+export function logWarning(message: string): void {
+  const warningPrefix = '[warning]';
+  core.info(`${warningPrefix}${message}`);
+}