Add warning for python 2.7 on release/v2 (#675)

* add warning

* remove ubuntu-18.04

* remove macos-10.15

* fix pypy3

.github/workflows/e2e-cache.yml

@@ -21,9 +21,9 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.7', '3.8', '3.9', 'pypy-3.7-v7.3.5', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.7-v7.x']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python
         uses: ./
         with:
@@ -39,18 +39,26 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.7', '3.8', '3.9', 'pypy-3.7-v7.3.5', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.9-v7.x']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - name: Install pipenv
-        run: pipx install pipenv
       - name: Setup Python
         uses: ./
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pipenv'
+      - name: Install pipenv
+        run: curl https://raw.githubusercontent.com/pypa/pipenv/main/get-pipenv.py | python
       - name: Install dependencies
-        run: pipenv install flake8
+        shell: pwsh
+        run: |
+          mv ./__tests__/data/Pipfile.lock .
+          mv ./__tests__/data/Pipfile .
+          if ("${{ matrix.python-version }}" -Match "pypy") {
+            pipenv install --keep-outdated --python pypy
+          } else {
+            pipenv install --keep-outdated --python ${{ matrix.python-version }}
+          }
 
   python-pip-dependencies-caching-path:
     name: Test pip (Python ${{ matrix.python-version}}, ${{ matrix.os }})
@@ -59,9 +67,9 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.7', '3.8', '3.9', 'pypy-3.7-v7.3.5', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.7-v7.x']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python
         uses: ./
         with:
@@ -78,16 +86,24 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.7', '3.8', '3.9', 'pypy-3.7-v7.3.5', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.9-v7.x']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - name: Install pipenv
-        run: pipx install pipenv
       - name: Setup Python
         uses: ./
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pipenv'
-          cache-dependency-path: '**/requirements-linux.txt'
+          cache-dependency-path: '**/pipenv-requirements.txt'
+      - name: Install pipenv
+        run: curl https://raw.githubusercontent.com/pypa/pipenv/main/get-pipenv.py | python
       - name: Install dependencies
-        run: pipenv install flake8
+        shell: pwsh
+        run: |
+          mv ./__tests__/data/Pipfile.lock .
+          mv ./__tests__/data/Pipfile .
+          if ("${{ matrix.python-version }}" -Match "pypy") {
+            pipenv install --keep-outdated --python pypy
+          } else {
+            pipenv install --keep-outdated --python ${{ matrix.python-version }}
+          }

.github/workflows/licensed.yml

@@ -14,11 +14,15 @@ jobs:
     name: Check licenses
     steps:
       - uses: actions/checkout@v2
+      - name: Set Node.js 12.x
+        uses: actions/setup-node@v2
+        with:
+          node-version: 12.x
       - run: npm ci
       - name: Install licensed
         run: |
           cd $RUNNER_TEMP
-          curl -Lfs -o licensed.tar.gz https://github.com/github/licensed/releases/download/2.12.2/licensed-2.12.2-linux-x64.tar.gz
+          curl -Lfs -o licensed.tar.gz https://github.com/github/licensed/releases/download/3.3.1/licensed-3.3.1-linux-x64.tar.gz
           sudo tar -xzf licensed.tar.gz
           sudo mv licensed /usr/local/bin/licensed
       - run: licensed status

.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
@@ -97,7 +97,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-10.15, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        os: [macos-11, windows-2019, ubuntu-20.04]
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -105,9 +105,4 @@ jobs:
     - name: setup-python pypy3
       uses: ./
       with:
-        python-version: 'pypy3'
+        python-version: 'pypy-3.8'
-
-    - name: setup-python pypy2
-      uses: ./
-      with:
-        python-version: 'pypy2'

.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

.licenses/npm/@actions/cache.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/cache"
-version: 1.0.7
+version: 1.0.8
 type: npm
 summary: Actions cache lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/cache

.licenses/npm/@azure/core-http.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@azure/core-http"
-version: 2.2.1
+version: 2.2.2
 type: npm
 summary: Isomorphic client Runtime for Typescript/node.js/browser javascript client
   libraries generated using AutoRest

.licenses/npm/node-fetch.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: node-fetch
-version: 2.6.5
+version: 2.6.7
 type: npm
 summary: A light-weight module that brings window.fetch to node.js
 homepage: https://github.com/bitinn/node-fetch

README.md

@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '2.x', '3.x', 'pypy-2.7', 'pypy-3.6', 'pypy-3.7' ]
+        python-version: [ '2.x', '3.x', 'pypy-2.7', 'pypy-3.7', 'pypy-3.8' ]
     name: Python ${{ matrix.python-version }} sample
     steps:
       - uses: actions/checkout@v2
@@ -63,7 +63,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['2.7', '3.6', '3.7', '3.8', 'pypy-2.7', 'pypy-3.6']
+        python-version: ['2.7', '3.7', '3.8', '3.9', '3.10', 'pypy-2.7', 'pypy-3.8']
         exclude:
           - os: macos-latest
             python-version: '3.8'
@@ -76,7 +76,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Display Python version
-        run: python -c "import sys; print(sys.version)"
+        run: python --version
 ```
 
 Download and set up a version of Python that does not come preinstalled on an image:
@@ -87,7 +87,7 @@ jobs:
     strategy:
       matrix:
         # in this example, there is a newer version already installed, 3.7.7, so the older version will be downloaded
-        python-version: ['3.5', '3.6', '3.7.4', '3.8']
+        python-version: ['3.7.4', '3.8', '3.9', '3.10']
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
@@ -102,7 +102,7 @@ steps:
 - uses: actions/checkout@v2
 - uses: actions/setup-python@v2
   with:
-    python-version: '3.9.0-beta.4'
+    python-version: '3.11.0-alpha.1'
 - run: python my_script.py
 ```
 
@@ -112,7 +112,7 @@ steps:
 - uses: actions/checkout@v2
 - uses: actions/setup-python@v2
   with:
-    python-version: '3.9.0-alpha - 3.9.0' # SemVer's version range syntax
+    python-version: '3.11.0-alpha - 3.11.0' # SemVer's version range syntax
 - run: python my_script.py
 ```
 
@@ -125,9 +125,9 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - 'pypy-3.6' # the latest available version of PyPy that supports Python 3.6
         - 'pypy-3.7' # the latest available version of PyPy that supports Python 3.7
         - 'pypy-3.7-v7.3.3' # Python 3.7 and PyPy 7.3.3
+        - 'pypy-3.8' # the latest available version of PyPy that supports Python 3.8
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
@@ -146,7 +146,7 @@ Check out our detailed guide on using [Python with GitHub Actions](https://help.
 `setup-python` is able to configure Python from two sources:
 
 - Preinstalled versions of Python in the tools cache on GitHub-hosted runners.
-    - For detailed information regarding the available versions of Python that are installed see [Supported software](https://docs.github.com/en/actions/reference/specifications-for-github-hosted-runners#supported-software).
+    - For detailed information regarding the available versions of Python that are installed, see [Supported software](https://docs.github.com/en/actions/reference/specifications-for-github-hosted-runners#supported-software).
     - For every minor version of Python, expect only the latest patch to be preinstalled.
     - If `3.8.1` is installed for example, and `3.8.2` is released, expect `3.8.1` to be removed and replaced by `3.8.2` in the tools cache.
     - If the exact patch version doesn't matter to you, specifying just the major and minor version will get you the latest preinstalled patch version. In the previous example, the version spec `3.8` will use the `3.8.2` Python version found in the cache.
@@ -159,9 +159,9 @@ Check out our detailed guide on using [Python with GitHub Actions](https://help.
  `setup-python` is able to configure PyPy from two sources:
 
 - Preinstalled versions of PyPy in the tools cache on GitHub-hosted runners
-  - For detailed information regarding the available versions of PyPy that are installed see [Supported software](https://docs.github.com/en/actions/reference/specifications-for-github-hosted-runners#supported-software).
+  - For detailed information regarding the available versions of PyPy that are installed, see [Supported software](https://docs.github.com/en/actions/reference/specifications-for-github-hosted-runners#supported-software).
   - For the latest PyPy release, all versions of Python are cached.
-  - Cache is updated with a 1-2 week delay. If you specify the PyPy version as `pypy-3.6`, the cached version will be used although a newer version is available. If you need to start using the recently released version right after release, you should specify the exact PyPy version using `pypy-3.6-v7.3.3`.
+  - Cache is updated with a 1-2 week delay. If you specify the PyPy version as `pypy-3.7`, the cached version will be used although a newer version is available. If you need to start using the recently released version right after release, you should specify the exact PyPy version using `pypy-3.7-v7.3.3`.
 
 - Downloadable PyPy versions from the [official PyPy site](https://downloads.python.org/pypy/).
   - All available versions that we can download are listed in [versions.json](https://downloads.python.org/pypy/versions.json) file.
@@ -198,8 +198,8 @@ The version of PyPy should be specified in the format `pypy-<python_version>[-v<
 The `<pypy_version>` parameter is optional and can be skipped. The latest version will be used in this case.
 
 ```
-pypy-3.6 # the latest available version of PyPy that supports Python 3.6
 pypy-3.7 # the latest available version of PyPy that supports Python 3.7
+pypy-3.8 # the latest available version of PyPy that supports Python 3.8
 pypy-2.7 # the latest available version of PyPy that supports Python 2.7
 pypy-3.7-v7.3.3 # Python 3.7 and PyPy 7.3.3
 pypy-3.7-v7.x # Python 3.7 and the latest available PyPy 7.x
@@ -230,7 +230,6 @@ steps:
     python-version: '3.9'
     cache: 'pip'
 - run: pip install -r requirements.txt
-- run: pip test
 ```
 
 **Caching pipenv dependencies:**
@@ -244,7 +243,6 @@ steps:
     python-version: '3.9'
     cache: 'pipenv'
 - run: pipenv install
-- run: pipenv test
 ```
 
 **Using wildcard patterns to cache dependencies**
@@ -257,7 +255,6 @@ steps:
     cache: 'pip'
     cache-dependency-path: '**/requirements-dev.txt'
 - run: pip install -r subdirectory/requirements-dev.txt
-- run: pip test
 ```
 
 **Using a list of file paths to cache dependencies**
@@ -274,7 +271,6 @@ steps:
       server/app/Pipfile.lock
       __test__/app/Pipfile.lock
 - run: pipenv install
-- run: pipenv test
 ```
 
 # Using `setup-python` with a self hosted runner
@@ -304,7 +300,7 @@ If you are experiencing problems while configuring Python on your self-hosted ru
   - The user starting the runner is in the owning group, and the owning group has write permission.
   - All users have write permission.
 - One quick way to grant access is to change the user and group of `/opt/hostedtoolcache` to be the same as the runners using `chown`.
-    - `sudo chown runner-user:runner-group opt/hostedtoolcache/`.
+    - `sudo chown runner-user:runner-group /opt/hostedtoolcache/`.
 - If your runner is configured as a service and you run into problems, make sure the user that the service is running as is correct. For more information, you can [check the status of your self-hosted runner](https://help.github.com/en/actions/hosting-your-own-runners/configuring-the-self-hosted-runner-application-as-a-service#checking-the-status-of-the-service).
 
 ### Mac

__tests__/cache-restore.test.ts

@@ -5,7 +5,7 @@ import {getCacheDistributor} from '../src/cache-distributions/cache-factory';
 
 describe('restore-cache', () => {
   const pipFileLockHash =
-    '67d817abcde9c72da0ed5b8f235647cb14638b9ff9d742b42e4406d2eb16fe3c';
+    'a3bdcc71289e4979ca9e051810d81999cc99823109faf6912e17ff14c8e621a6';
   const requirementsHash =
     'd8110e0006d7fb5ee76365d565eef9d37df1d11598b912d3eb66d398d57a1121';
   const requirementsLinuxHash =
@@ -92,15 +92,12 @@ describe('restore-cache', () => {
           dependencyFile
         );
         await cacheDistributor.restoreCache();
-        let pythonKey = '';
-        if (packageManager === 'pipenv') {
-          pythonKey = `python-${pythonVersion}-`;
-        }
 
         expect(infoSpy).toHaveBeenCalledWith(
-          `Cache restored from key: setup-python-${process.env['RUNNER_OS']}-${pythonKey}${packageManager}-${fileHash}`
+          `Cache restored from key: setup-python-${process.env['RUNNER_OS']}-python-${pythonVersion}-${packageManager}-${fileHash}`
         );
-      }
+      },
+      30000
     );
 
     it.each([

__tests__/data/Pipfile

@@ -0,0 +1,13 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+flake8 = "==4.0.1"
+numpy = "==1.23.0"
+
+[dev-packages]
+
+[requires]
+python_version = "*"

__tests__/data/Pipfile.lock

@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "408f110354c997d8df1e17841d5335ae690f5b25f8c78040d62257f9535c6005"
+            "sha256": "e9c37110984955621040e2dc8548c026eb8466c23db1b8e69430289b10be8938"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3.7"
+            "python_version": "*"
         },
         "sources": [
             {
@@ -16,260 +16,64 @@
         ]
     },
     "default": {
-        "altgraph": {
+        "flake8": {
             "hashes": [
-                "sha256:743628f2ac6a7c26f5d9223c91ed8ecbba535f506f4b6f558885a8a56a105857",
+                "sha256:479b1304f72536a55948cb40a32dce8bb0ffe3501e26eaf292c7e60eb5e0428d",
-                "sha256:ebf2269361b47d97b3b88e696439f6e4cbc607c17c51feb1754f90fb79839158"
+                "sha256:806e034dda44114815e23c16ef92f95c91e4c71100ff52813adf7132a6ad870d"
-            ],
-            "version": "==0.17.2"
-        },
-        "certifi": {
-            "hashes": [
-                "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3",
-                "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"
             ],
             "index": "pypi",
-            "version": "==2020.6.20"
+            "version": "==4.0.1"
         },
-        "chardet": {
+        "mccabe": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+            ],
+            "version": "==0.6.1"
+        },
+        "numpy": {
+            "hashes": [
+                "sha256:092f5e6025813e64ad6d1b52b519165d08c730d099c114a9247c9bb635a2a450",
+                "sha256:196cd074c3f97c4121601790955f915187736f9cf458d3ee1f1b46aff2b1ade0",
+                "sha256:1c29b44905af288b3919803aceb6ec7fec77406d8b08aaa2e8b9e63d0fe2f160",
+                "sha256:2b2da66582f3a69c8ce25ed7921dcd8010d05e59ac8d89d126a299be60421171",
+                "sha256:5043bcd71fcc458dfb8a0fc5509bbc979da0131b9d08e3d5f50fb0bbb36f169a",
+                "sha256:58bfd40eb478f54ff7a5710dd61c8097e169bc36cc68333d00a9bcd8def53b38",
+                "sha256:79a506cacf2be3a74ead5467aee97b81fca00c9c4c8b3ba16dbab488cd99ba10",
+                "sha256:94b170b4fa0168cd6be4becf37cb5b127bd12a795123984385b8cd4aca9857e5",
+                "sha256:97a76604d9b0e79f59baeca16593c711fddb44936e40310f78bfef79ee9a835f",
+                "sha256:98e8e0d8d69ff4d3fa63e6c61e8cfe2d03c29b16b58dbef1f9baa175bbed7860",
+                "sha256:ac86f407873b952679f5f9e6c0612687e51547af0e14ddea1eedfcb22466babd",
+                "sha256:ae8adff4172692ce56233db04b7ce5792186f179c415c37d539c25de7298d25d",
+                "sha256:bd3fa4fe2e38533d5336e1272fc4e765cabbbde144309ccee8675509d5cd7b05",
+                "sha256:d0d2094e8f4d760500394d77b383a1b06d3663e8892cdf5df3c592f55f3bff66",
+                "sha256:d54b3b828d618a19779a84c3ad952e96e2c2311b16384e973e671aa5be1f6187",
+                "sha256:d6ca8dabe696c2785d0c8c9b0d8a9b6e5fdbe4f922bde70d57fa1a2848134f95",
+                "sha256:d8cc87bed09de55477dba9da370c1679bd534df9baa171dd01accbb09687dac3",
+                "sha256:f0f18804df7370571fb65db9b98bf1378172bd4e962482b857e612d1fec0f53e",
+                "sha256:f1d88ef79e0a7fa631bb2c3dda1ea46b32b1fe614e10fedd611d3d5398447f2f",
+                "sha256:f9c3fc2adf67762c9fe1849c859942d23f8d3e0bee7b5ed3d4a9c3eeb50a2f07",
+                "sha256:fc431493df245f3c627c0c05c2bd134535e7929dbe2e602b80e42bf52ff760bc",
+                "sha256:fe8b9683eb26d2c4d5db32cd29b38fdcf8381324ab48313b5b69088e0e355379"
             ],
             "index": "pypi",
-            "version": "==3.0.4"
+            "version": "==1.23.0"
         },
-        "docutils": {
+        "pycodestyle": {
             "hashes": [
-                "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af",
+                "sha256:720f8b39dde8b293825e7ff02c475f3077124006db4f440dcbc9a20b76548a20",
-                "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"
+                "sha256:eddd5847ef438ea1c7870ca7eb78a9d47ce0cdb4851a5523949f2601d0cbbe7f"
             ],
-            "index": "pypi",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==0.16"
+            "version": "==2.8.0"
         },
-        "future": {
+        "pyflakes": {
             "hashes": [
-                "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"
+                "sha256:05a85c2872edf37a4ed30b0cce2f6093e1d0581f8c19d7393122da7e25b2b24c",
+                "sha256:3bb3a3f256f4b7968c9c788781e4ff07dce46bdf12339dcda61053375426ee2e"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==0.18.2"
+            "version": "==2.4.0"
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-            "version": "==2021.9.3"
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-        "pillow": {
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-            "version": "==2.4.7"
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-            "index": "pypi",
-            "version": "==1.25.9"
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-            "index": "pypi",
-            "version": "==1.2.0"
         }
     },
     "develop": {}

__tests__/data/pipenv-requirements.txt

@@ -0,0 +1,2 @@
+numpy==1.22.3
+pandas==1.4.2

docs/adrs/0000-caching-dependencies.md

@@ -0,0 +1,93 @@
+## 0. Caching dependencies
+
+Date: 2021-10-01
+
+Status: Accepted
+
+## Context
+
+`actions/setup-python` is one the most popular python's action in GitHub Actions. A lot of customers use it in conjunction with `actions/cache` to speed up dependencies installation.
+See more examples on proper usage in [actions/cache documentation](https://github.com/actions/cache/blob/main/examples.md#python---pip).
+
+## Goals & Anti-Goals
+
+Integration of caching functionality into `actions/setup-python` action will bring the following benefits for action users:
+ - Decrease the entry threshold for using the cache for Python dependencies and simplify initial configuration
+ - Simplify YAML pipelines by reducing the need for additional steps to enable caching
+ - More users will use caching for Python so users will have faster builds!
+
+We will add support for Pip and Pipenv dependency caching.
+
+We won't pursue the goal to provide wide customization of caching in the scope of `actions/setup-python` action. The purpose of this integration is to cover ~90% of basic use-cases. If users need flexible customization, we will advise them to use `actions/cache` directly.
+
+## Decision
+
+ - Add a `cache` input parameter to `actions/setup-python`. For now the input will accept the following values:
+    - pip - enable caching for pip dependencies
+    - pipenv - enable caching for pipenv dependencies
+    - '' - disable caching (default value)
+ - Cache feature will be disabled by default to make sure that we don't break existing customers.
+ - Action will try to search dependencies files (requirements.txt for pip and Pipfile.lock for pipenv) in the repository root (or relative to the repository root, if patterns are used) and throw error if no one is found.
+ - The hash of found file will be used as part of cache key (the same approach like actions/cache recommends)
+ - The following cache key will be used for pip: `setup-python-${{ runner.os }}-pip-${{ hashFiles('<package-file-path>') }}`
+ - The following cache key will be used for pipenv: `setup-python-${{ runner.os }}-python-${{ python-version }}-pipenv-${{ hashFiles('<package-file-path>') }}`. We add the python version to the cache key because the created virtualenv folder with the project name contains a copy of the python binary as a symlink to paths like `/opt/hostedtoolcache/Python/3.7.11`, so the cache can be fetched with a wrong python version. See details in the related [pull request](https://github.com/actions/cache/pull/607) in the actions/cache.
+ - Action will save the packages global cache:
+    - Pip (retrieved via pip cache dir). The command is available With pip 20.1 or later. We always update pip during installation, that is why this command should be available.
+    - Pipenv (default cache paths):
+        - ~/.local/share/virtualenvs (macOS)
+        - ~/.virtualenvs (Windows)
+        - ~/.local/share/virtualenvs (Ubuntu)
+ - Add a `cache-dependency-path` input parameter to `actions/setup-python`. The new input will accept an array or regex of dependency files. The field will accept a path (relative to the repository root) to dependency files. If the provided path contains wildcards, the action will search all matching files and calculate a common hash like the `${{ hashFiles('**/requirements-dev.txt') }}` YAML construction does
+
+## Example of real use-cases
+
+ - Pip package manager
+
+```
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-python@v2
+  with:
+    python-version: 3.9
+    cache: pip
+```
+
+ - Pipenv package manager
+
+```
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-python@v2
+  with:
+    python-version: 3.9
+    cache: pipenv
+```
+- With `cache-dependency-path`
+
+```
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-python@v2
+  with:
+    python-version: 3.9
+    cache: pip
+    cache-dependency-path: |
+        **/requirements-dev.txt
+        **/requirements-test.txt
+        **/requirements.txt
+```
+
+
+```
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-python@v2
+  with:
+    python-version: 3.9
+    cache: pip
+    cache-dependency-path: **/requirements-dev.txt
+```
+
+## Release process
+
+As soon as the functionality is implemented, we will release a minor update of the action. No need to bump the major version since there are no breaking changes for existing users. After that, we will update [starter-workflows](https://github.com/actions/starter-workflows/blob/main/ci/python-app.yml) and [GitHub Action documentation](https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python#caching-dependencies).

package-lock.json

@@ -1,13 +1,13 @@
 {
   "name": "setup-python",
-  "version": "2.2.2",
+  "version": "2.3.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@actions/cache": {
-      "version": "1.0.7",
+      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-1.0.7.tgz",
+      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-1.0.8.tgz",
-      "integrity": "sha512-MY69kxuubqUFq84pFlu8m6Poxl5sR/xyhpC4JEvno7Yg9ASYdGizEmKgt0m8ovewpYKf15UAOcSC0hzS+DuosA==",
+      "integrity": "sha512-GWNNB67w93HGJRQXlsV56YqrdAuDoP3esK/mo5mzU8WoDCVjtQgJGsTdkYUX7brswtT7xnI30bWNo1WLKQ8FZQ==",
       "requires": {
         "@actions/core": "^1.2.6",
         "@actions/exec": "^1.0.1",
@@ -45,9 +45,28 @@
       }
     },
     "@actions/core": {
-      "version": "1.2.6",
+      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.6.tgz",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.10.0.tgz",
-      "integrity": "sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA=="
+      "integrity": "sha512-2aZDDa3zrrZbP5ZYg159sNoLRb61nQ7awl5pSvIq5Qpj81vwDzdMRKzkWJGJuwVvWpvZKx7vspJALyvaaIQyug==",
+      "requires": {
+        "@actions/http-client": "^2.0.1",
+        "uuid": "^8.3.2"
+      },
+      "dependencies": {
+        "@actions/http-client": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.0.1.tgz",
+          "integrity": "sha512-PIXiMVtz6VvyaRsGY268qvj57hXQEpsYogYOu2nrQhlf+XCGmZstmuZBbAybUl1nQGnvS1k1eEsQ69ZoD7xlSw==",
+          "requires": {
+            "tunnel": "^0.0.6"
+          }
+        },
+        "uuid": {
+          "version": "8.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+          "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+        }
+      }
     },
     "@actions/exec": {
       "version": "1.1.0",
@@ -136,9 +155,9 @@
       }
     },
     "@azure/core-http": {
-      "version": "2.2.1",
+      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/@azure/core-http/-/core-http-2.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/@azure/core-http/-/core-http-2.2.2.tgz",
-      "integrity": "sha512-7ATnV3OGzCO2K9kMrh3NKUM8b4v+xasmlUhkNZz6uMbm+8XH/AexLkhRGsoo0GyKNlEGvyGEfytqTk0nUY2I4A==",
+      "integrity": "sha512-V1DdoO9V/sFimKpdWoNBgsE+QUjQgpXYnxrTdUp5RyhsTJjvEVn/HKmTQXIHuLUUo6IyIWj+B+Dg4VaXse9dIA==",
       "requires": {
         "@azure/abort-controller": "^1.0.0",
         "@azure/core-asynciterator-polyfill": "^1.0.0",
@@ -8137,9 +8156,9 @@
       "dev": true
     },
     "node-fetch": {
-      "version": "2.6.5",
+      "version": "2.6.7",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.5.tgz",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
-      "integrity": "sha512-mmlIVHJEu5rnIxgEgez6b9GgWXbkZj5YZ7fx+2r94a2E+Uirsp6HsPTPlomfdHtpt/B0cdKviwkoaM6pyvUOpQ==",
+      "integrity": "sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==",
       "requires": {
         "whatwg-url": "^5.0.0"
       },

package.json

@@ -1,11 +1,11 @@
 {
   "name": "setup-python",
-  "version": "2.2.2",
+  "version": "2.3.3",
   "private": true,
   "description": "Setup python action",
   "main": "dist/index.js",
   "scripts": {
-    "build": "tsc",
+    "build": "ncc build -o dist/setup src/setup-python.ts && ncc build -o dist/cache-save src/cache-save.ts",
     "format": "prettier --write \"{,!(node_modules)/**/}*.ts\"",
     "format-check": "prettier --check \"{,!(node_modules)/**/}*.ts\"",
     "release": "ncc build -o dist/setup src/setup-python.ts && ncc build -o dist/cache-save src/cache-save.ts && git add -f dist/",
@@ -23,8 +23,8 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^1.0.7",
+    "@actions/cache": "^1.0.8",
-    "@actions/core": "^1.2.3",
+    "@actions/core": "^1.10.0",
     "@actions/exec": "^1.1.0",
     "@actions/glob": "^0.2.0",
     "@actions/io": "^1.0.2",

src/cache-distributions/cache-factory.ts

@@ -13,7 +13,7 @@ export function getCacheDistributor(
 ) {
   switch (packageManager) {
     case PackageManagers.Pip:
-      return new PipCache(cacheDependencyPath);
+      return new PipCache(pythonVersion, cacheDependencyPath);
     case PackageManagers.Pipenv:
       return new PipenvCache(pythonVersion, cacheDependencyPath);
     default:

src/cache-distributions/pip-cache.ts

@@ -1,21 +1,42 @@
 import * as glob from '@actions/glob';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
-
+import * as child_process from 'child_process';
+import utils from 'util';
 import * as path from 'path';
 import os from 'os';
 
 import CacheDistributor from './cache-distributor';
+import {IS_WINDOWS} from '../utils';
 
 class PipCache extends CacheDistributor {
-  constructor(cacheDependencyPath: string = '**/requirements.txt') {
+  constructor(
+    private pythonVersion: string,
+    cacheDependencyPath: string = '**/requirements.txt'
+  ) {
     super('pip', cacheDependencyPath);
   }
 
   protected async getCacheGlobalDirectories() {
-    const {stdout, stderr, exitCode} = await exec.getExecOutput(
+    let exitCode = 1;
-      'pip cache dir'
+    let stdout = '';
-    );
+    let stderr = '';
+
+    // Add temporary fix for Windows
+    // On windows it is necessary to execute through an exec
+    // because the getExecOutput gives a non zero code or writes to stderr for pip 22.0.2,
+    // or spawn must be started with the shell option enabled for getExecOutput
+    // Related issue: https://github.com/actions/setup-python/issues/328
+    if (IS_WINDOWS) {
+      const execPromisify = utils.promisify(child_process.exec);
+      ({stdout: stdout, stderr: stderr} = await execPromisify('pip cache dir'));
+    } else {
+      ({
+        stdout: stdout,
+        stderr: stderr,
+        exitCode: exitCode
+      } = await exec.getExecOutput('pip cache dir'));
+    }
 
     if (exitCode && stderr) {
       throw new Error(
@@ -36,8 +57,8 @@ class PipCache extends CacheDistributor {
 
   protected async computeKeys() {
     const hash = await glob.hashFiles(this.cacheDependencyPath);
-    const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${this.packageManager}-${hash}`;
+    const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${this.pythonVersion}-${this.packageManager}-${hash}`;
-    const restoreKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${this.packageManager}`;
+    const restoreKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${this.pythonVersion}-${this.packageManager}`;
 
     return {
       primaryKey,

src/setup-python.ts

@@ -28,6 +28,11 @@ async function run() {
   try {
     const version = core.getInput('python-version');
     if (version) {
+      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'
+        );
+      }
       let pythonVersion: string;
       const arch: string = core.getInput('architecture') || os.arch();
       if (isPyPyVersion(version)) {