Add warning for python 2.7 on release/v3 (#674)

* add warning

* npm run format

* remove ubuntu-18.04

.github/workflows/test-pypy.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-latest]
+        os: [macos-latest, windows-latest, ubuntu-latest]
         pypy:
         - 'pypy-2.7'
         - 'pypy-3.7'

.github/workflows/test-python.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        os: [macos-latest, windows-latest, ubuntu-20.04]
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        os: [macos-latest, windows-latest, ubuntu-20.04]
         python: [3.5.4, 3.6.7, 3.7.5, 3.8.1]
     steps:
     - name: Checkout
@@ -68,7 +68,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        os: [macos-latest, windows-latest, ubuntu-20.04]
     steps:
     - name: Checkout
       uses: actions/checkout@v2

.github/workflows/workflow.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       matrix:
-        operating-system: [ubuntu-latest, windows-latest]
+        operating-system: [ubuntu-20.04, windows-latest]
     steps:
     - name: Checkout
       uses: actions/checkout@v2

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-python",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "private": true,
   "description": "Setup python action",
   "main": "dist/index.js",

src/find-pypy.ts

@@ -35,12 +35,15 @@ export async function findPyPyVersion(
   ));
 
   if (!installDir) {
-    ({installDir, resolvedPythonVersion, resolvedPyPyVersion} =
-      await pypyInstall.installPyPy(
-        pypyVersionSpec.pypyVersion,
-        pypyVersionSpec.pythonVersion,
-        architecture
-      ));
+    ({
+      installDir,
+      resolvedPythonVersion,
+      resolvedPyPyVersion
+    } = await pypyInstall.installPyPy(
+      pypyVersionSpec.pypyVersion,
+      pypyVersionSpec.pythonVersion,
+      architecture
+    ));
   }
 
   const pipDir = IS_WINDOWS ? 'Scripts' : 'bin';

src/setup-python.ts

@@ -34,6 +34,11 @@ async function run() {
           `Successfully setup PyPy ${installed.resolvedPyPyVersion} with Python (${installed.resolvedPythonVersion})`
         );
       } else {
+        if (version.trim().startsWith('2')) {
+          core.warning(
+            'The support for python 2.7 will be removed on June 19. Related issue: https://github.com/actions/setup-python/issues/672'
+          );
+        }
         const installed = await finder.useCpythonVersion(version, arch);
         pythonVersion = installed.version;
         core.info(`Successfully setup ${installed.impl} (${pythonVersion})`);