Improve readme for 3.x and 3.11-dev style python-version (#441)

Remove duplicate code introduced in #440

.github/workflows/check-dist.yml

@@ -23,10 +23,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Set Node.js 12.x
+      - name: Set Node.js 16.x
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
-          node-version: 12.x
+          node-version: 16.x
+          cache: npm
 
       - name: Install dependencies
         run: npm ci

.github/workflows/codeql-analysis.yml

@@ -2,6 +2,7 @@ name: "Code scanning - action"
 
 on:
   push:
+    branches: [ 'main' ]
   pull_request:
   schedule:
     - cron: '25 3 * * 5'

.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 +39,48 @@ 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: ${{ matrix.python-version }}
           cache: 'pipenv'
+      - name: Install pipenv
+        run: curl https://raw.githubusercontent.com/pypa/pipenv/master/get-pipenv.py | python
       - name: Install dependencies
-        run: pipenv install flake8
+        shell: pwsh
+        run: |
+          mv ./__tests__/data/Pipfile.lock .
+          mv ./__tests__/data/Pipfile .
+          if ("${{ matrix.python-version }}" -Match "pypy") {
+            pipenv install --keep-outdated --python pypy
+          } else {
+            pipenv install --keep-outdated --python ${{ matrix.python-version }}
+          }
+
+  python-poetry-dependencies-caching:
+    name: Test poetry (Python ${{ matrix.python-version}}, ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ['3.9', 'pypy-3.8']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install poetry
+        run: pipx install poetry
+      - name: Setup Python
+        uses: ./
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'poetry'
+      - name: Init pyproject.toml
+        run: poetry init -n
+      - name: Install dependencies
+        run: poetry add flake8
 
   python-pip-dependencies-caching-path:
     name: Test pip (Python ${{ matrix.python-version}}, ${{ matrix.os }})
@@ -59,9 +89,9 @@ 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 +108,24 @@ 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: ${{ matrix.python-version }}
           cache: 'pipenv'
-          cache-dependency-path: '**/requirements-linux.txt'
+          cache-dependency-path: '**/pipenv-requirements.txt'
+      - name: Install pipenv
+        run: curl https://raw.githubusercontent.com/pypa/pipenv/master/get-pipenv.py | python
       - name: Install dependencies
-        run: pipenv install flake8
+        shell: pwsh
+        run: |
+          mv ./__tests__/data/Pipfile.lock .
+          mv ./__tests__/data/Pipfile .
+          if ("${{ 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 +14,16 @@ jobs:
     name: Check licenses
     steps:
       - uses: actions/checkout@v2
+      - name: Set Node.js 16.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+          cache: npm
       - 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/3.4.4/licensed-3.4.4-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

@@ -22,6 +22,7 @@ jobs:
         pypy:
         - 'pypy-2.7'
         - 'pypy-3.7'
+        - 'pypy3.9'
         - 'pypy-2.7-v7.3.4'
         - 'pypy-3.7-v7.3.5'
         - 'pypy-3.7-v7.3.4'
@@ -29,18 +30,64 @@ jobs:
         - 'pypy-3.7-v7.x'
         - 'pypy-2.7-v7.3.4rc1'
         - 'pypy-3.7-nightly'
+        - 'pypy3.8-v7.3.7'
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2
   
       - name: setup-python ${{ matrix.pypy }}
+        id: setup-python
         uses: ./
         with:
           python-version: ${{ matrix.pypy }}
 
+      - name: Check python-path
+        run: ./__tests__/check-python-path.sh '${{ steps.setup-python.outputs.python-path }}'
+        shell: bash
+
       - name: PyPy and Python version
         run: python --version
   
       - name: Run simple code
         run: python -c 'import math; print(math.factorial(5))'
+
+      - name: Assert PyPy is running
+        run: |
+          import platform
+          assert platform.python_implementation().lower() == "pypy"
+        shell: python
+
+      - name: Assert expected binaries (or symlinks) are present
+        run: |
+          EXECUTABLE=${{ matrix.pypy }}
+          EXECUTABLE=${EXECUTABLE/pypy-/pypy}  # remove the first '-' in "pypy-X.Y" -> "pypyX.Y" to match executable name
+          EXECUTABLE=${EXECUTABLE%%-*}  # remove any -* suffixe
+          ${EXECUTABLE} --version
+        shell: bash
+
+  setup-pypy-noenv:
+    name: Setup PyPy ${{ matrix.pypy }} ${{ matrix.os }} (noenv)
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-latest]
+        pypy: ['pypy2.7', 'pypy3.7', 'pypy3.8', 'pypy3.9-nightly']
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: setup-python ${{ matrix.pypy }}
+        id: setup-python
+        uses: ./
+        with:
+          python-version: ${{ matrix.pypy }}
+          update-environment: false
+
+      - name: PyPy and Python version
+        run: ${{ steps.setup-python.outputs.python-path }} --version
+
+      - name: Run simple code
+        run: ${{ steps.setup-python.outputs.python-path }} -c 'import math; print(math.factorial(5))'

.github/workflows/test-python.yml

@@ -10,28 +10,9 @@ on:
       - '**.md'
   schedule:
     - cron: 30 3 * * *
+  workflow_dispatch:
 
 jobs:
-  default-version:
-    name: Setup default version
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-
-    - name: setup default python 
-      uses: ./
-
-    - name: Validate version
-      run: python --version
-
-    - name: Run simple python code
-      run: python -c 'import math; print(math.factorial(5))'
-
   setup-versions-from-manifest:
     name: Setup ${{ matrix.python }} ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
@@ -42,13 +23,56 @@ jobs:
         python: [3.5.4, 3.6.7, 3.7.5, 3.8.1]
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: setup-python ${{ matrix.python }}
+      id: setup-python
       uses: ./
       with:
         python-version: ${{ matrix.python }}
 
+    - name: Check python-path
+      run: ./__tests__/check-python-path.sh '${{ steps.setup-python.outputs.python-path }}'
+      shell: bash
+
+    - name: Validate version
+      run: |
+        $pythonVersion = (python --version)
+        if ("Python ${{ matrix.python }}" -ne "$pythonVersion"){
+          Write-Host "The current version is $pythonVersion; expected version is ${{ matrix.python }}"
+          exit 1
+        }
+        $pythonVersion
+      shell: pwsh
+
+    - name: Run simple code
+      run: python -c 'import math; print(math.factorial(5))'
+
+  setup-versions-from-file:
+    name: Setup ${{ matrix.python }} ${{ matrix.os }} version file
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        python: [3.5.4, 3.6.7, 3.7.5, 3.8.1]
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: build-version-file ${{ matrix.python }}
+      run: echo ${{ matrix.python }} > .python-version
+
+    - name: setup-python ${{ matrix.python }}
+      id: setup-python
+      uses: ./
+      with:
+        python-version-file: '.python-version'
+
+    - name: Check python-path
+      run: ./__tests__/check-python-path.sh '${{ steps.setup-python.outputs.python-path }}'
+      shell: bash
+
     - name: Validate version
       run: |
         $pythonVersion = (python --version)
@@ -71,13 +95,18 @@ jobs:
         os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: setup-python 3.9.0-beta.4
+      id: setup-python
       uses: ./
       with:
         python-version: '3.9.0-beta.4'
 
+    - name: Check python-path
+      run: ./__tests__/check-python-path.sh '${{ steps.setup-python.outputs.python-path }}'
+      shell: bash
+
     - name: Validate version
       run: |
         $pythonVersion = (python --version)
@@ -91,23 +120,55 @@ jobs:
     - name: Run simple code
       run: python -c 'import math; print(math.factorial(5))'
 
-  setup-pypy-legacy:
+  setup-dev-version:
-    name: Setup PyPy ${{ matrix.os }}
+    name: Setup 3.9-dev ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-10.15, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        os: [macos-latest, windows-latest, ubuntu-latest]
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
-    - name: setup-python pypy3
+    - name: setup-python 3.9-dev
+      id: setup-python
       uses: ./
       with:
-        python-version: 'pypy3'
+        python-version: '3.9-dev'
 
-    - name: setup-python pypy2
+    - name: Check python-path
+      run: ./__tests__/check-python-path.sh '${{ steps.setup-python.outputs.python-path }}'
+      shell: bash
+
+    - name: Validate version
+      run: ${{ startsWith(steps.setup-python.outputs.python-version, '3.9.') }}
+      shell: bash
+
+    - name: Run simple code
+      run: python -c 'import math; print(math.factorial(5))'
+
+  setup-versions-noenv:
+    name: Setup ${{ matrix.python }} ${{ matrix.os }} (noenv)
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
+        python: ["3.7", "3.8", "3.9", "3.10"]
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: setup-python ${{ matrix.python }}
+      id: setup-python
       uses: ./
       with:
-        python-version: 'pypy2'
+        python-version: ${{ matrix.python }}
+        update-environment: false
+
+    - name: Python version
+      run: ${{ steps.setup-python.outputs.python-path }} --version
+
+    - name: Run simple code
+      run: ${{ steps.setup-python.outputs.python-path }} -c 'import math; print(math.factorial(5))'

.github/workflows/workflow.yml

@@ -19,13 +19,14 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
 
-    - name: Set Node.js 12.x
+    - name: Set Node.js 16.x
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
-        node-version: 12.x
+        node-version: 16.x
+        cache: npm
 
-    - name: npm install
+    - name: npm ci
-      run: npm install
+      run: npm ci
 
     - name: Lint
       run: npm run format-check
@@ -88,3 +89,13 @@ jobs:
         python-version: 3.8.1
     - name: Verify 3.8.1
       run: python __tests__/verify-python.py 3.8.1
+
+    - name: Run with setup-python 3.10
+      id: cp310
+      uses: ./
+      with:
+        python-version: "3.10"
+    - name: Verify 3.10
+      run: python __tests__/verify-python.py 3.10
+    - name: Run python-path sample 3.10
+      run: pipx run --python '${{ steps.cp310.outputs.python-path }}' nox --version

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

@@ -1,6 +1,6 @@
 ---
 name: "@actions/cache"
-version: 1.0.8
+version: 3.0.0
 type: npm
 summary: Actions cache lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/cache

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

@@ -1,6 +1,6 @@
 ---
 name: "@actions/core"
-version: 1.2.6
+version: 1.7.0
 type: npm
 summary: Actions core lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/core

.licenses/npm/@actions/http-client-2.0.1.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/http-client"
-version: 1.0.8
+version: 2.0.1
 type: npm
 summary: Actions Http Client
 homepage: https://github.com/actions/http-client#readme

.licenses/npm/@actions/http-client.dep.yml

@@ -0,0 +1,32 @@
+---
+name: "@actions/http-client"
+version: 1.0.11
+type: npm
+summary: Actions Http Client
+homepage: https://github.com/actions/http-client#readme
+license: mit
+licenses:
+- sources: LICENSE
+  text: |
+    Actions Http Client for Node.js
+
+    Copyright (c) GitHub, Inc.
+
+    All rights reserved.
+
+    MIT License
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+    associated documentation files (the "Software"), to deal in the Software without restriction,
+    including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+    subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+    LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+    NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+notices: []

.licenses/npm/@types/node.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@types/node"
-version: 12.20.36
+version: 16.11.25
 type: npm
 summary: TypeScript definitions for Node.js
 homepage: https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node

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

@@ -1,6 +1,6 @@
 ---
 name: node-fetch
-version: 2.6.6
+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

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to make participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+  advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies within all project spaces, and it also applies when
+an individual is representing the project or its community in public spaces.
+Examples of representing a project or community include using an official
+project e-mail address, posting via an official social media account, or acting
+as an appointed representative at an online or offline event. Representation of
+a project may be further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at opensource+actions/setup-python@github.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

README.md

@@ -1,4 +1,4 @@
-# setup-python V2
+# setup-python V4
 
 <p align="left">
   <a href="https://github.com/actions/setup-python"><img alt="GitHub Actions status" src="https://github.com/actions/setup-python/workflows/Main%20workflow/badge.svg"></a>
@@ -9,7 +9,7 @@ This action sets up a Python environment for use in actions by:
 - optionally installing and adding to PATH a version of Python that is already installed in the tools cache.
 - downloading, installing and adding to PATH an available version of Python from GitHub Releases ([actions/python-versions](https://github.com/actions/python-versions/releases)) if a specific version is not available in the tools cache.
 - failing if a specific version of Python is not preinstalled or available for download.
-- optionally caching dependencies for pip and pipenv.
+- optionally caching dependencies for pip, pipenv and poetry.
 - registering problem matchers for error output.
 
 # What's new
@@ -19,7 +19,8 @@ This action sets up a Python environment for use in actions by:
 - Automatic setup and download of Python packages if using a self-hosted runner.
 - Support for pre-release versions of Python.
 - Support for installing any version of PyPy on-flight
-- Support for built-in caching of pip and pipenv dependencies
+- Support for built-in caching of pip, pipenv and poetry dependencies
+- Support for `.python-version` file
 
 # Usage
 
@@ -28,14 +29,24 @@ See [action.yml](action.yml)
 Basic:
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: '3.x' # Version range or exact version of a Python version to use, using SemVer's version range syntax
     architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
 - run: python my_script.py
 ```
 
+Read Python version from file:
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v4
+  with:
+    python-version-file: '.python-version' # Read python version from a file
+- run: python my_script.py
+```
+
 Matrix Testing:
 ```yaml
 jobs:
@@ -43,12 +54,12 @@ 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', 'pypy2.7', 'pypy3.7', 'pypy3.8' ]
     name: Python ${{ matrix.python-version }} sample
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
@@ -63,20 +74,20 @@ 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', 'pypy2.7', 'pypy3.8']
         exclude:
           - os: macos-latest
             python-version: '3.8'
           - os: windows-latest
             python-version: '3.6'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         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:
@@ -87,10 +98,10 @@ 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/checkout@v3
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - run: python my_script.py
@@ -99,20 +110,40 @@ jobs:
 Download and set up an accurate pre-release version of Python:
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
-    python-version: '3.9.0-beta.4'
+    python-version: '3.11.0-alpha.1'
 - run: python my_script.py
 ```
 
 Download and set up the latest available version of Python (includes both pre-release and stable versions):
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   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
+```
+
+Download and set up the latest patch version of Python (for specified major & minor versions):
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v4
+  with:
+    python-version: '3.11-dev'
+- run: python my_script.py
+```
+
+Download and set up the latest stable version of Python (for specified major version):
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v4
+  with:
+    python-version: '3.x'
 - run: python my_script.py
 ```
 
@@ -125,18 +156,34 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - 'pypy-3.6' # the latest available version of PyPy that supports Python 3.6
+        - 'pypy3.7' # the latest available version of PyPy that supports Python 3.7
-        - 'pypy-3.7' # the latest available version of PyPy that supports Python 3.7
+        - 'pypy3.7-v7.3.3' # Python 3.7 and PyPy 7.3.3
-        - 'pypy-3.7-v7.3.3' # Python 3.7 and PyPy 7.3.3
+        - 'pypy3.8' # the latest available version of PyPy that supports Python 3.8
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - run: python my_script.py
 ```
 More details on PyPy syntax and examples of using preview / nightly versions of PyPy can be found in the [Available versions of PyPy](#available-versions-of-pypy) section.
 
+An output is available with the absolute path of the python interpreter executable if you need it:
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+      id: cp310
+      with:
+        python-version: "3.10"
+    - run: pipx run --python '${{ steps.cp310.outputs.python-path }}' nox --version
+```
+
+>The environment variable `pythonLocation` also becomes available after Python or PyPy installation. It contains the absolute path to the folder where the desired version of Python or PyPy is installed.
+
 # Getting started with Python + Actions
 
 Check out our detailed guide on using [Python with GitHub Actions](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/using-python-with-github-actions).
@@ -146,22 +193,25 @@ 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.
+    - Use `-dev` instead of a patch number (e.g., `3.11-dev`) to install the latest patch version release for a given minor version, *alpha and beta releases included*.
 - Downloadable Python versions from GitHub Releases ([actions/python-versions](https://github.com/actions/python-versions/releases)).
     - All available versions are listed in the [version-manifest.json](https://github.com/actions/python-versions/blob/main/versions-manifest.json) file.
     - If there is a specific version of Python that is not available, you can open an issue here
 
+**Note:** Python versions used in this action are generated in the [python-versions](https://github.com/actions/python-versions) repository. For macOS and Ubuntu images python versions are built from the source code. For Windows the python-versions repository uses installation executable. For more information please refer to the [python-versions](https://github.com/actions/python-versions) repository.
+
  # Available versions of PyPy
 
  `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 `pypy3.7` or `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 `pypy3.7-v7.3.3` or `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.
@@ -179,8 +229,8 @@ GitHub hosted runners have a tools cache that comes with a few versions of Pytho
 |**PyPy Tool Cache**|`RUNNER_TOOL_CACHE/PyPy/*`|
 
 GitHub virtual environments are setup in [actions/virtual-environments](https://github.com/actions/virtual-environments). During the setup, the available versions of Python and PyPy are automatically downloaded, setup and documented.
-- [Tools cache setup for Ubuntu](https://github.com/actions/virtual-environments/blob/main/images/linux/scripts/installers/hosted-tool-cache.sh)
+- Tools cache setup for Ubuntu: [Install-Toolset.ps1](https://github.com/actions/virtual-environments/blob/main/images/linux/scripts/installers/Install-Toolset.ps1) [Configure-Toolset.ps1](https://github.com/actions/virtual-environments/blob/main/images/linux/scripts/installers/Configure-Toolset.ps1)
-- [Tools cache setup for Windows](https://github.com/actions/virtual-environments/blob/main/images/win/scripts/Installers/Download-ToolCache.ps1)
+- Tools cache setup for Windows: [Install-Toolset.ps1](https://github.com/actions/virtual-environments/blob/main/images/win/scripts/Installers/Install-Toolset.ps1) [Configure-Toolset.ps1](https://github.com/actions/virtual-environments/blob/main/images/win/scripts/Installers/Configure-Toolset.ps1)
 
 # Specifying a Python version
 
@@ -194,27 +244,30 @@ You should specify only a major and minor version if you are okay with the most
   - Using the most recent patch version will result in a very quick setup since no downloads will be required since a locally installed version Python on the runner will be used.
 
 # Specifying a PyPy version
-The version of PyPy should be specified in the format `pypy-<python_version>[-v<pypy_version>]`.
+The version of PyPy should be specified in the format `pypy<python_version>[-v<pypy_version>]` or `pypy-<python_version>[-v<pypy_version>]`.
 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
+pypy3.7 or pypy-3.7 # the latest available version of PyPy that supports Python 3.7
-pypy-3.7 # the latest available version of PyPy that supports Python 3.7
+pypy3.8 or 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
+pypy2.7 or 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
+pypy3.7-v7.3.3 or 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
+pypy3.7-v7.x or pypy-3.7-v7.x # Python 3.7 and the latest available PyPy 7.x
-pypy-3.7-v7.3.3rc1 # Python 3.7 and preview version of PyPy
+pypy3.7-v7.3.3rc1 or pypy-3.7-v7.3.3rc1 # Python 3.7 and preview version of PyPy
-pypy-3.7-nightly # Python 3.7 and nightly PyPy
+pypy3.7-nightly or pypy-3.7-nightly # Python 3.7 and nightly PyPy
 ```
 
+Note: `pypy2` and `pypy3` have been removed in v3. Use the format above instead.
+
 # Caching packages dependencies
 
-The action has built-in functionality for caching and restoring dependencies. It uses [actions/cache](https://github.com/actions/toolkit/tree/main/packages/cache) under the hood for caching dependencies but requires less configuration settings. Supported package managers are `pip` and `pipenv`. The `cache` input is optional, and caching is turned off by default.
+The action has built-in functionality for caching and restoring dependencies. It uses [actions/cache](https://github.com/actions/toolkit/tree/main/packages/cache) under the hood for caching dependencies but requires less configuration settings. Supported package managers are `pip`, `pipenv` and `poetry`. The `cache` input is optional, and caching is turned off by default.
 
-The action defaults to searching for a dependency file (`requirements.txt` for pip or `Pipfile.lock` for pipenv) in the repository, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases where multiple dependency files are used, they are located in different subdirectories or different files for the hash want to be used.
+The action defaults to searching for a dependency file (`requirements.txt` for pip, `Pipfile.lock` for pipenv or `poetry.lock` for poetry) in the repository, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases where multiple dependency files are used, they are located in different subdirectories or different files for the hash want to be used.
 
  - For pip, the action will cache global cache directory
  - For pipenv, the action will cache virtualenv directory
+ - For poetry, the action will cache virtualenv directory
 
 **Please Note:** Restored cache will not be used if the requirements.txt file is not updated for a long time and a newer version of the dependency is available that can lead to an increase in total build time.
 
@@ -224,59 +277,104 @@ The requirements file format allows to specify dependency versions using logical
 
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: '3.9'
     cache: 'pip'
 - run: pip install -r requirements.txt
-- run: pip test
 ```
 
 **Caching pipenv dependencies:**
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- name: Install pipenv
+- uses: actions/setup-python@v4
-  run: pipx install pipenv
-- uses: actions/setup-python@v2
   with:
     python-version: '3.9'
     cache: 'pipenv'
+- name: Install pipenv
+  run: curl https://raw.githubusercontent.com/pypa/pipenv/master/get-pipenv.py | python
 - run: pipenv install
-- run: pipenv test
+```
+
+**Caching poetry dependencies:**
+```yaml
+steps:
+- uses: actions/checkout@v3
+- name: Install poetry
+  run: pipx install poetry
+- uses: actions/setup-python@v4
+  with:
+    python-version: '3.9'
+    cache: 'poetry'
+- run: poetry install
+- run: poetry run pytest
 ```
 
 **Using wildcard patterns to cache dependencies**
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: '3.9'
     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**
 ```yaml
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- name: Install pipenv
+- uses: actions/setup-python@v4
-  run: pipx install pipenv
-- uses: actions/setup-python@v2
   with:
     python-version: '3.9'
     cache: 'pipenv'
     cache-dependency-path: |
       server/app/Pipfile.lock
       __test__/app/Pipfile.lock
+- name: Install pipenv
+  run: curl https://raw.githubusercontent.com/pypa/pipenv/master/get-pipenv.py | python
 - run: pipenv install
-- run: pipenv test
 ```
 
+**Using a list of wildcard patterns to cache dependencies**
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v4
+  with:
+    python-version: '3.10'
+    cache: 'pip'
+    cache-dependency-path: |
+      **/setup.cfg
+      **/requirements*.txt
+- run: pip install -e . -r subdirectory/requirements-dev.txt
+```
+
+
+# Environment variables
+
+ The `update-environment` flag defaults to `true`.
+ With this setting, the action will add/update environment variables (e.g. `PATH`, `PKG_CONFIG_PATH`, `pythonLocation`) for `python` to just work out of the box.
+
+ If `update-environment` is set to `false`, the action will not add/update environment variables.
+ This can prove useful if you want the only side-effect to be to ensure python is installed and rely on the `python-path` output to run python.
+ Such a requirement on side-effect could be because you don't want your composite action messing with your user's workflows.
+
+ ```yaml
+ steps:
+   - uses: actions/checkout@v3
+   - uses: actions/setup-python@v4
+     id: cp310
+     with:
+       python-version: '3.10'
+       update-environment: false
+   - run: ${{ steps.cp310.outputs.python-path }} my_script.py
+ ```
+
 # Using `setup-python` with a self hosted runner
 
 Python distributions are only available for the same [environments](https://github.com/actions/virtual-environments#available-environments) that GitHub Actions hosted environments are available for. If you are using an unsupported version of Ubuntu such as `19.04` or another Linux distribution such as Fedora, `setup-python` will not work. If you have a supported self-hosted runner and you would like to use `setup-python`, there are a few extra things you need to make sure are set up so that new versions of Python can be downloaded and configured on your runner.
@@ -294,7 +392,7 @@ If you are experiencing problems while configuring Python on your self-hosted ru
 ### Linux
 
 - The Python packages that are downloaded from `actions/python-versions` are originally compiled from source in `/opt/hostedtoolcache/` with the [--enable-shared](https://github.com/actions/python-versions/blob/94f04ae6806c6633c82db94c6406a16e17decd5c/builders/ubuntu-python-builder.psm1#L35) flag, which makes them non-relocatable.
-- Create an environment variable called `AGENT_TOOLSDIRECTORY` and set it to `/opt/hostedtoolcache`. This controls where the runner downloads and installs tools.
+- By default runner downloads and install the tools to `/opt/hostedtoolcache`. The environment variable called `AGENT_TOOLSDIRECTORY` can be set to change this location.
   - In the same shell that your runner is using, type `export AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache`.
   - A more permanent way of setting the environment variable is to create a `.env` file in the same directory as your runner and to add `AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache`. This ensures the variable is always set if your runner is configured as a service.
 - Create a directory called `hostedtoolcache` inside `/opt`.
@@ -304,7 +402,7 @@ 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

@@ -5,11 +5,21 @@ import {getCacheDistributor} from '../src/cache-distributions/cache-factory';
 
 describe('restore-cache', () => {
   const pipFileLockHash =
-    '67d817abcde9c72da0ed5b8f235647cb14638b9ff9d742b42e4406d2eb16fe3c';
+    'a3bdcc71289e4979ca9e051810d81999cc99823109faf6912e17ff14c8e621a6';
   const requirementsHash =
     'd8110e0006d7fb5ee76365d565eef9d37df1d11598b912d3eb66d398d57a1121';
   const requirementsLinuxHash =
     '2d0ff7f46b0e120e3d3294db65768b474934242637b9899b873e6283dfd16d7c';
+  const poetryLockHash =
+    '571bf984f8d210e6a97f854e479fdd4a2b5af67b5fdac109ec337a0ea16e7836';
+  const poetryConfigOutput = `
+cache-dir = "/Users/patrick/Library/Caches/pypoetry"
+experimental.new-installer = false
+installer.parallel = true
+virtualenvs.create = true
+virtualenvs.in-project = true
+virtualenvs.path = "{cache-dir}/virtualenvs"  # /Users/patrick/Library/Caches/pypoetry/virtualenvs
+  `;
 
   // core spy
   let infoSpy: jest.SpyInstance;
@@ -17,6 +27,7 @@ describe('restore-cache', () => {
   let debugSpy: jest.SpyInstance;
   let saveSatetSpy: jest.SpyInstance;
   let getStateSpy: jest.SpyInstance;
+  let setOutputSpy: jest.SpyInstance;
 
   // cache spy
   let restoreCacheSpy: jest.SpyInstance;
@@ -47,10 +58,16 @@ describe('restore-cache', () => {
       if (input.includes('pip')) {
         return {stdout: 'pip', stderr: '', exitCode: 0};
       }
+      if (input.includes('poetry')) {
+        return {stdout: poetryConfigOutput, stderr: '', exitCode: 0};
+      }
 
       return {stdout: '', stderr: 'Error occured', exitCode: 2};
     });
 
+    setOutputSpy = jest.spyOn(core, 'setOutput');
+    setOutputSpy.mockImplementation(input => undefined);
+
     restoreCacheSpy = jest.spyOn(cache, 'restoreCache');
     restoreCacheSpy.mockImplementation(
       (cachePaths: string[], primaryKey: string, restoreKey?: string) => {
@@ -82,25 +99,23 @@ describe('restore-cache', () => {
       ],
       ['pip', '3.8.12', '__tests__/data/requirements.txt', requirementsHash],
       ['pipenv', '3.9.1', undefined, pipFileLockHash],
-      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash]
+      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash],
+      ['poetry', '3.9.1', undefined, poetryLockHash]
     ])(
       'restored dependencies for %s by primaryKey',
       async (packageManager, pythonVersion, dependencyFile, fileHash) => {
-        const cacheDistributor = await getCacheDistributor(
+        const cacheDistributor = getCacheDistributor(
           packageManager,
           pythonVersion,
           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([
@@ -115,7 +130,7 @@ describe('restore-cache', () => {
         dependencyFile,
         cacheDependencyPath
       ) => {
-        const cacheDistributor = await getCacheDistributor(
+        const cacheDistributor = getCacheDistributor(
           packageManager,
           pythonVersion,
           dependencyFile
@@ -141,7 +156,8 @@ describe('restore-cache', () => {
       ],
       ['pip', '3.8.12', '__tests__/data/requirements.txt', pipFileLockHash],
       ['pipenv', '3.9.1', undefined, requirementsHash],
-      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash]
+      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash],
+      ['poetry', '3.9.1', undefined, requirementsHash]
     ])(
       'restored dependencies for %s by primaryKey',
       async (packageManager, pythonVersion, dependencyFile, fileHash) => {
@@ -150,17 +166,24 @@ describe('restore-cache', () => {
             return primaryKey !== fileHash && restoreKey ? pipFileLockHash : '';
           }
         );
-        const cacheDistributor = await getCacheDistributor(
+        const cacheDistributor = getCacheDistributor(
           packageManager,
           pythonVersion,
           dependencyFile
         );
         await cacheDistributor.restoreCache();
         let result = '';
-        if (packageManager !== 'pipenv') {
+
+        switch (packageManager) {
+          case 'pip':
             result = `Cache restored from key: ${fileHash}`;
-        } else {
+            break;
+          case 'pipenv':
             result = 'pipenv cache is not found';
+            break;
+          case 'poetry':
+            result = 'poetry cache is not found';
+            break;
         }
 
         expect(infoSpy).toHaveBeenCalledWith(result);
@@ -168,6 +191,38 @@ describe('restore-cache', () => {
     );
   });
 
+  describe('Check if handleMatchResult', () => {
+    it.each([
+      ['pip', '3.8.12', 'requirements.txt', 'someKey', 'someKey', true],
+      ['pipenv', '3.9.1', 'requirements.txt', 'someKey', 'someKey', true],
+      ['poetry', '3.8.12', 'requirements.txt', 'someKey', 'someKey', true],
+      ['pip', '3.9.2', 'requirements.txt', undefined, 'someKey', false],
+      ['pipenv', '3.8.12', 'requirements.txt', undefined, 'someKey', false],
+      ['poetry', '3.9.12', 'requirements.txt', undefined, 'someKey', false]
+    ])(
+      'sets correct outputs',
+      async (
+        packageManager,
+        pythonVersion,
+        dependencyFile,
+        matchedKey,
+        restoredKey,
+        expectedOutputValue
+      ) => {
+        const cacheDistributor = getCacheDistributor(
+          packageManager,
+          pythonVersion,
+          dependencyFile
+        );
+        cacheDistributor.handleMatchResult(matchedKey, restoredKey);
+        expect(setOutputSpy).toHaveBeenCalledWith(
+          'cache-hit',
+          expectedOutputValue
+        );
+      }
+    );
+  });
+
   afterEach(() => {
     jest.resetAllMocks();
     jest.clearAllMocks();

__tests__/cache-save.test.ts

@@ -6,11 +6,13 @@ import {State} from '../src/cache-distributions/cache-distributor';
 
 describe('run', () => {
   const pipFileLockHash =
-    '67d817abcde9c72da0ed5b8f235647cb14638b9ff9d742b42e4406d2eb16fe3c';
+    'd1dd6218299d8a6db5fc2001d988b34a8b31f1e9d0bb4534d377dde7c19f64b3';
   const requirementsHash =
     'd8110e0006d7fb5ee76365d565eef9d37df1d11598b912d3eb66d398d57a1121';
   const requirementsLinuxHash =
     '2d0ff7f46b0e120e3d3294db65768b474934242637b9899b873e6283dfd16d7c';
+  const poetryLockHash =
+    '571bf984f8d210e6a97f854e479fdd4a2b5af67b5fdac109ec337a0ea16e7836';
 
   // core spy
   let infoSpy: jest.SpyInstance;
@@ -114,6 +116,22 @@ describe('run', () => {
       );
       expect(setFailedSpy).not.toHaveBeenCalled();
     });
+
+    it('should not save cache for pipenv', async () => {
+      inputs['cache'] = 'pipenv';
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(debugSpy).toHaveBeenCalledWith(
+        `paths for caching are ${__dirname}`
+      );
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${requirementsHash}, not saving cache.`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
   });
 
   describe('action saves the cache', () => {
@@ -168,6 +186,85 @@ describe('run', () => {
       );
       expect(setFailedSpy).not.toHaveBeenCalled();
     });
+
+    it('saves cache from poetry', async () => {
+      inputs['cache'] = 'poetry';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.CACHE_MATCHED_KEY) {
+          return poetryLockHash;
+        } else if (name === State.CACHE_PATHS) {
+          return JSON.stringify([__dirname]);
+        } else {
+          return requirementsHash;
+        }
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).not.toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${poetryLockHash}, not saving cache.`
+      );
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(infoSpy).toHaveBeenLastCalledWith(
+        `Cache saved with the key: ${requirementsHash}`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
+
+    it('saves with -1 cacheId , should not fail workflow', async () => {
+      inputs['cache'] = 'poetry';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.STATE_CACHE_PRIMARY_KEY) {
+          return poetryLockHash;
+        } else if (name === State.CACHE_PATHS) {
+          return JSON.stringify([__dirname]);
+        } else {
+          return requirementsHash;
+        }
+      });
+
+      saveCacheSpy.mockImplementation(() => {
+        return -1;
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).not.toHaveBeenCalled();
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(infoSpy).not.toHaveBeenLastCalledWith(
+        `Cache saved with the key: ${poetryLockHash}`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
+
+    it('saves with error from toolkit, should fail workflow', async () => {
+      inputs['cache'] = 'npm';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.STATE_CACHE_PRIMARY_KEY) {
+          return poetryLockHash;
+        } else if (name === State.CACHE_PATHS) {
+          return JSON.stringify([__dirname]);
+        } else {
+          return requirementsHash;
+        }
+      });
+
+      saveCacheSpy.mockImplementation(() => {
+        throw new cache.ValidationError('Validation failed');
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).not.toHaveBeenCalledWith();
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(setFailedSpy).toHaveBeenCalled();
+    });
   });
 
   afterEach(() => {

__tests__/check-python-path.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -euo pipefail
+
+PYTHON_PATH="$1"
+PATH_EXECUTABLE=$(python -c 'import sys; print(sys.executable)')
+PYTHON_PATH_EXECUTABLE=$("${PYTHON_PATH}" -c 'import sys; print(sys.executable)')
+if [ "${PATH_EXECUTABLE}" != "${PYTHON_PATH_EXECUTABLE}" ]; then
+    echo "Executable mismatch."
+    echo "python in PATH is: ${PATH_EXECUTABLE}"
+    echo "python-path (${PYTHON_PATH}) is: ${PYTHON_PATH_EXECUTABLE}"
+    exit 1
+fi
+echo "python-path: ${PYTHON_PATH}"

__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"
-        },
-        "idna": {
-            "hashes": [
-                "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb",
-                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
-            ],
-            "index": "pypi",
-            "version": "==2.9"
-        },
-        "itsdangerous": {
-            "hashes": [
-                "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
-                "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"
-            ],
-            "index": "pypi",
-            "version": "==1.1.0"
-        },
-        "kivy": {
-            "hashes": [
-                "sha256:090d3ded9835a17477cd93fbdaf0a7c42ff2218981cf198ded5ad8795bc74391",
-                "sha256:11e85eaf6efbfa2362a3334ffdad179a1b0ca8d255cca79eaa6a2765560d4982",
-                "sha256:1a1ff32f8a95f1e175198cbab81fcd2596783b180d4eafe63e87d171aa7fdb5e",
-                "sha256:1d28b198a64c30db8d94a0488e85f3037af60d514ab0d7ad5ab45add3ab77090",
-                "sha256:4a5480cbf837d3780c77a4f61b32b56d22ae9f03845e7a89dd3eaef1ae5fd037",
-                "sha256:4d0e596f74271e901b551f77661dde238df4765484fce9f5d1c72e8022984e84",
-                "sha256:5c3d0f2749522d62e9cce09cd54b2d823bf1b6b644ff1f627be49de6f3e3cba0",
-                "sha256:815a5c0b3b72fcd81ca7b2aa0744087163ed03e4cf9ab4e7c9733cea99fc1571",
-                "sha256:8819a27a09871af451760cb69486ced52e830c8a0a37480f22ef5e692f12c05b",
-                "sha256:a687602d90c4629dd036f577ca39acb76ba581370f9d915f3cab99be818ba8ad",
-                "sha256:b7ef6aad43a86d8df3fb865db864e354f2155a748019f8517f69f65c1a29cb64",
-                "sha256:b85ccf165050cbf2ee8447671eebbc222b369b40f0e0038dd9547d49a5e37373",
-                "sha256:c36652caa7f6c327dee834cfc699d5962d346b7a53e54bd81abc17c314226d89",
-                "sha256:ece170514db3f49844a41e4c910ad9ce9bc46da6f47a49158e11266bdcc6e479",
-                "sha256:f3bea6e4a21991827885d04127fc6d09a0e974ecfa12da7bf5faae93562ea102",
-                "sha256:f835462dd9aa491272552ef079b948a088598e2e95d68bb1d885d2c3f3d4e2c3"
-            ],
-            "index": "pypi",
-            "version": "==1.11.1"
-        },
-        "kivy-deps-angle": {
-            "hashes": [
-                "sha256:50605fdd4c9fdbe9f717069734a598a9aba0afe5d3f0412afbe2ecff0326e92d",
-                "sha256:64ac7f33c000585dc30194e604aed925972c6b7c3848b5c3b073ae916fb0b55c",
-                "sha256:99c40d53582a958748e251dfbd61aa67fb85963e27529ca08a21f2f5eeed04e1",
-                "sha256:a2cea09e8a5e899629466403fbd540459f1cdef8d08c6c479b6607b95309be02",
-                "sha256:b167e19b3eea55a9a8c606a607bb909ec1bedda88deee40347c780b310155a79",
-                "sha256:b9d07976b0bf6bac724a42aa8ed5a8c7caa95609046db30c8f15bb731f8e4d36",
-                "sha256:bb4d53f15a093214adbbe205c108ede5cc0f6af6eff104c1b8c468ddaaf6400a",
-                "sha256:d0e7b7b9eb9669837a5d70808a7ea45f2b61961b56f9f69a233bad6bd36ce260"
-            ],
-            "index": "pypi",
-            "version": "==0.3.0"
-        },
-        "kivy-deps.glew": {
-            "hashes": [
-                "sha256:09f72ee5ef33ff273332e2a229dc97d650d29818a0189339421949e4e0f63d93",
-                "sha256:1e28e40017af9d081fc0fc95b4fadaf31d15e9f63478dcee1c4257d67079894e",
-                "sha256:45aa7f0e8d9bcf5fc1810c9c38bc20edf7dee61df81ecf62102e0f84153f924a",
-                "sha256:6bb435620c3187d2c61054adb9ec277ed487256b457a0a7b1491bc0cb7247e18",
-                "sha256:92e72fa2c425887987d1aa861c99537033dc20d68ae1c54864871f0401682586",
-                "sha256:ab81783a82bef88a8d2bcf8a93bc21df6b8b0db6ee551eb802727d18f9074b17",
-                "sha256:c843104690c0c8f3a58105c53c57f31506f6f90562c18de00bd19317cc1045a7",
-                "sha256:cf351aad171796f8051af8e49ec430a9aa128d8557d8643e73f2bb1e5f9c2dab",
-                "sha256:ee8ab67abb2c98d84feede657cae472e7723e529af07394244bdd33caafb1a38",
-                "sha256:ef1116d99bd9cc737cb8c0e13e676955c17d6e4d6d1af5cfccef089a430071bb"
-            ],
-            "index": "pypi",
-            "version": "==0.1.12"
-        },
-        "kivy-deps.gstreamer": {
-            "hashes": [
-                "sha256:0d9598d2d31c0e780adf4b767fa3a691123621fd0ffef94b83cf82c2da84341b",
-                "sha256:309eca64dee5939f16f8465e5cbb08bdde7c90ded1af6a00690c7e928326af79",
-                "sha256:3d53d2c84c0a997c4cac6c239b1e0a6486e533836321003dc365ec42b97a664b",
-                "sha256:4d996377111e854b3dea90846f9b2f98766a44529fd8b72125e18c552381d928",
-                "sha256:4f2ddd61d185310258d338ae80a646df7822efdd7d67e57f49dc7b87555c5d7e",
-                "sha256:6fa9f76afe600baa221abee31ce7dc63e653d0affe0f6c558bfc4f35af96396f",
-                "sha256:739cd331b9f33a822d700273674a79a3157054e9358a01a0d553f094a5f4a8c9",
-                "sha256:c29cfc63fe70a58dad889e631f1ba4711c9ea80103f2b2b8d670a97f093076c8",
-                "sha256:c4709765e2b17c6c96b46a92207b0457def147544d825654077603eaf0d424de"
-            ],
-            "index": "pypi",
-            "version": "==0.1.17"
-        },
-        "kivy-deps.sdl2": {
-            "hashes": [
-                "sha256:053f26e8c05d5545bdbc7eeb8c450b8e4410ee355792e9345af536110fe247e2",
-                "sha256:1b987bdd4fbbcb31baf0d7fc9584ad99912179b8968311bb7e30fbeb14e98e0d",
-                "sha256:228128cdd8112dc7505ac43027a770476e9ef282e0b84ca68037133cd025960b",
-                "sha256:2c2fd5a12a7a9afe3bb962b273561099a180edae91bb9c8f8386b72253fcae4a",
-                "sha256:5ce23f1a3286d6288751a12b0eaefd02f947ea101bb807e9781b964e496fc3f3",
-                "sha256:7928746eaed51944c10d1bb36fcefebe3d1aff1b97ba32359c2c97ba74707e1b",
-                "sha256:9270fa8ed5130074b167a7a3a9c85efc3cfe3c04584ab084cb6ae9e4edfa8168",
-                "sha256:92ed97d3247bc8ce98f336cbc940bb889310199326e9ccf251c49ae7e4b80de8",
-                "sha256:96e1fa89fd8b5351f2d3c26bbffd50df8d554b03fba4025ecc941d773d241698",
-                "sha256:c3ace0ddde0e59cdcaf260eda1daa0c05ca9bf8cd0c4ea404539de25a5dcaec7"
-            ],
-            "index": "pypi",
-            "version": "==0.1.22"
-        },
-        "kivy-garden": {
-            "hashes": [
-                "sha256:9b7d9de5efacbcd0c4b3dd873b30622a86093c9965aa47b523c7a32f3eb34610",
-                "sha256:c256f42788421273a08fbb0a228f0fb0e80dd86b629fb8c0920507f645be6c72"
-            ],
-            "index": "pypi",
-            "version": "==0.1.4"
-        },
-        "packaging": {
-            "hashes": [
-                "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7",
-                "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"
-            ],
-            "index": "pypi",
-            "version": "==21.0"
-        },
-        "pdf2image": {
-            "hashes": [
-                "sha256:a0d9906f5507192210a8d5d7ead63145e9dec4bccc4564b1fb644e923913c31c"
-            ],
-            "index": "pypi",
-            "version": "==1.12.1"
-        },
-        "pefile": {
-            "hashes": [
-                "sha256:344a49e40a94e10849f0fe34dddc80f773a12b40675bf2f7be4b8be578bdd94a"
-            ],
-            "markers": "python_full_version >= '3.6.0'",
-            "version": "==2021.9.3"
-        },
-        "pillow": {
-            "hashes": [
-                "sha256:0295442429645fa16d05bd567ef5cff178482439c9aad0411d3f0ce9b88b3a6f",
-                "sha256:06aba4169e78c439d528fdeb34762c3b61a70813527a2c57f0540541e9f433a8",
-                "sha256:09d7f9e64289cb40c2c8d7ad674b2ed6105f55dc3b09aa8e4918e20a0311e7ad",
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+    {file = "kivy_deps.angle-0.3.0-cp38-cp38-win_amd64.whl", hash = "sha256:50605fdd4c9fdbe9f717069734a598a9aba0afe5d3f0412afbe2ecff0326e92d"},
+    {file = "kivy_deps.angle-0.3.0-cp39-cp39-win32.whl", hash = "sha256:64ac7f33c000585dc30194e604aed925972c6b7c3848b5c3b073ae916fb0b55c"},
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+]
+"kivy-deps.glew" = [
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+    {file = "kivy_deps.glew-0.1.12-cp38-cp38-win_amd64.whl", hash = "sha256:cf351aad171796f8051af8e49ec430a9aa128d8557d8643e73f2bb1e5f9c2dab"},
+]
+"kivy-deps.gstreamer" = [
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+    {file = "kivy_deps.gstreamer-0.1.17-cp27-cp27m-win_amd64.whl", hash = "sha256:0d9598d2d31c0e780adf4b767fa3a691123621fd0ffef94b83cf82c2da84341b"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp35-cp35m-win32.whl", hash = "sha256:4f2ddd61d185310258d338ae80a646df7822efdd7d67e57f49dc7b87555c5d7e"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp35-cp35m-win_amd64.whl", hash = "sha256:6fa9f76afe600baa221abee31ce7dc63e653d0affe0f6c558bfc4f35af96396f"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp36-cp36m-win32.whl", hash = "sha256:c4709765e2b17c6c96b46a92207b0457def147544d825654077603eaf0d424de"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp36-cp36m-win_amd64.whl", hash = "sha256:c29cfc63fe70a58dad889e631f1ba4711c9ea80103f2b2b8d670a97f093076c8"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp37-cp37m-win32.whl", hash = "sha256:4d996377111e854b3dea90846f9b2f98766a44529fd8b72125e18c552381d928"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp37-cp37m-win_amd64.whl", hash = "sha256:739cd331b9f33a822d700273674a79a3157054e9358a01a0d553f094a5f4a8c9"},
+    {file = "kivy_deps.gstreamer-0.1.17-cp38-cp38-win_amd64.whl", hash = "sha256:3d53d2c84c0a997c4cac6c239b1e0a6486e533836321003dc365ec42b97a664b"},
+]
+"kivy-deps.sdl2" = [
+    {file = "kivy_deps.sdl2-0.1.22-cp27-cp27m-win32.whl", hash = "sha256:1b987bdd4fbbcb31baf0d7fc9584ad99912179b8968311bb7e30fbeb14e98e0d"},
+    {file = "kivy_deps.sdl2-0.1.22-cp27-cp27m-win_amd64.whl", hash = "sha256:228128cdd8112dc7505ac43027a770476e9ef282e0b84ca68037133cd025960b"},
+    {file = "kivy_deps.sdl2-0.1.22-cp35-cp35m-win32.whl", hash = "sha256:053f26e8c05d5545bdbc7eeb8c450b8e4410ee355792e9345af536110fe247e2"},
+    {file = "kivy_deps.sdl2-0.1.22-cp35-cp35m-win_amd64.whl", hash = "sha256:5ce23f1a3286d6288751a12b0eaefd02f947ea101bb807e9781b964e496fc3f3"},
+    {file = "kivy_deps.sdl2-0.1.22-cp36-cp36m-win32.whl", hash = "sha256:96e1fa89fd8b5351f2d3c26bbffd50df8d554b03fba4025ecc941d773d241698"},
+    {file = "kivy_deps.sdl2-0.1.22-cp36-cp36m-win_amd64.whl", hash = "sha256:c3ace0ddde0e59cdcaf260eda1daa0c05ca9bf8cd0c4ea404539de25a5dcaec7"},
+    {file = "kivy_deps.sdl2-0.1.22-cp37-cp37m-win32.whl", hash = "sha256:7928746eaed51944c10d1bb36fcefebe3d1aff1b97ba32359c2c97ba74707e1b"},
+    {file = "kivy_deps.sdl2-0.1.22-cp37-cp37m-win_amd64.whl", hash = "sha256:2c2fd5a12a7a9afe3bb962b273561099a180edae91bb9c8f8386b72253fcae4a"},
+    {file = "kivy_deps.sdl2-0.1.22-cp38-cp38-win32.whl", hash = "sha256:9270fa8ed5130074b167a7a3a9c85efc3cfe3c04584ab084cb6ae9e4edfa8168"},
+    {file = "kivy_deps.sdl2-0.1.22-cp38-cp38-win_amd64.whl", hash = "sha256:92ed97d3247bc8ce98f336cbc940bb889310199326e9ccf251c49ae7e4b80de8"},
+]
+kivy-garden = [
+    {file = "Kivy Garden-0.1.4.tar.gz", hash = "sha256:9b7d9de5efacbcd0c4b3dd873b30622a86093c9965aa47b523c7a32f3eb34610"},
+    {file = "kivy-garden-0.1.4.tar.gz", hash = "sha256:c256f42788421273a08fbb0a228f0fb0e80dd86b629fb8c0920507f645be6c72"},
+]
+packaging = [
+    {file = "packaging-21.0-py3-none-any.whl", hash = "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"},
+    {file = "packaging-21.0.tar.gz", hash = "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7"},
+]
+pdf2image = [
+    {file = "pdf2image-1.12.1.tar.gz", hash = "sha256:a0d9906f5507192210a8d5d7ead63145e9dec4bccc4564b1fb644e923913c31c"},
+]
+pefile = [
+    {file = "pefile-2021.9.3.tar.gz", hash = "sha256:344a49e40a94e10849f0fe34dddc80f773a12b40675bf2f7be4b8be578bdd94a"},
+]
+pillow = [
+    {file = "Pillow-7.2.0-cp35-cp35m-macosx_10_10_intel.whl", hash = "sha256:1ca594126d3c4def54babee699c055a913efb01e106c309fa6b04405d474d5ae"},
+    {file = "Pillow-7.2.0-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:c92302a33138409e8f1ad16731568c55c9053eee71bb05b6b744067e1b62380f"},
+    {file = "Pillow-7.2.0-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:8dad18b69f710bf3a001d2bf3afab7c432785d94fcf819c16b5207b1cfd17d38"},
+    {file = "Pillow-7.2.0-cp35-cp35m-manylinux2014_aarch64.whl", hash = "sha256:431b15cffbf949e89df2f7b48528be18b78bfa5177cb3036284a5508159492b5"},
+    {file = "Pillow-7.2.0-cp35-cp35m-win32.whl", hash = "sha256:09d7f9e64289cb40c2c8d7ad674b2ed6105f55dc3b09aa8e4918e20a0311e7ad"},
+    {file = "Pillow-7.2.0-cp35-cp35m-win_amd64.whl", hash = "sha256:0295442429645fa16d05bd567ef5cff178482439c9aad0411d3f0ce9b88b3a6f"},
+    {file = "Pillow-7.2.0-cp36-cp36m-macosx_10_10_x86_64.whl", hash = "sha256:ec29604081f10f16a7aea809ad42e27764188fc258b02259a03a8ff7ded3808d"},
+    {file = "Pillow-7.2.0-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:612cfda94e9c8346f239bf1a4b082fdd5c8143cf82d685ba2dba76e7adeeb233"},
+    {file = "Pillow-7.2.0-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:0a80dd307a5d8440b0a08bd7b81617e04d870e40a3e46a32d9c246e54705e86f"},
+    {file = "Pillow-7.2.0-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:06aba4169e78c439d528fdeb34762c3b61a70813527a2c57f0540541e9f433a8"},
+    {file = "Pillow-7.2.0-cp36-cp36m-win32.whl", hash = "sha256:f7e30c27477dffc3e85c2463b3e649f751789e0f6c8456099eea7ddd53be4a8a"},
+    {file = "Pillow-7.2.0-cp36-cp36m-win_amd64.whl", hash = "sha256:ffe538682dc19cc542ae7c3e504fdf54ca7f86fb8a135e59dd6bc8627eae6cce"},
+    {file = "Pillow-7.2.0-cp37-cp37m-macosx_10_10_x86_64.whl", hash = "sha256:94cf49723928eb6070a892cb39d6c156f7b5a2db4e8971cb958f7b6b104fb4c4"},
+    {file = "Pillow-7.2.0-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:6edb5446f44d901e8683ffb25ebdfc26988ee813da3bf91e12252b57ac163727"},
+    {file = "Pillow-7.2.0-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:52125833b070791fcb5710fabc640fc1df07d087fc0c0f02d3661f76c23c5b8b"},
+    {file = "Pillow-7.2.0-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:9ad7f865eebde135d526bb3163d0b23ffff365cf87e767c649550964ad72785d"},
+    {file = "Pillow-7.2.0-cp37-cp37m-win32.whl", hash = "sha256:c79f9c5fb846285f943aafeafda3358992d64f0ef58566e23484132ecd8d7d63"},
+    {file = "Pillow-7.2.0-cp37-cp37m-win_amd64.whl", hash = "sha256:d350f0f2c2421e65fbc62690f26b59b0bcda1b614beb318c81e38647e0f673a1"},
+    {file = "Pillow-7.2.0-cp38-cp38-macosx_10_10_x86_64.whl", hash = "sha256:6d7741e65835716ceea0fd13a7d0192961212fd59e741a46bbed7a473c634ed6"},
+    {file = "Pillow-7.2.0-cp38-cp38-manylinux1_i686.whl", hash = "sha256:edf31f1150778abd4322444c393ab9c7bd2af271dd4dafb4208fb613b1f3cdc9"},
+    {file = "Pillow-7.2.0-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:d08b23fdb388c0715990cbc06866db554e1822c4bdcf6d4166cf30ac82df8c41"},
+    {file = "Pillow-7.2.0-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:5e51ee2b8114def244384eda1c82b10e307ad9778dac5c83fb0943775a653cd8"},
+    {file = "Pillow-7.2.0-cp38-cp38-win32.whl", hash = "sha256:725aa6cfc66ce2857d585f06e9519a1cc0ef6d13f186ff3447ab6dff0a09bc7f"},
+    {file = "Pillow-7.2.0-cp38-cp38-win_amd64.whl", hash = "sha256:a060cf8aa332052df2158e5a119303965be92c3da6f2d93b6878f0ebca80b2f6"},
+    {file = "Pillow-7.2.0-pp36-pypy36_pp73-macosx_10_10_x86_64.whl", hash = "sha256:9c87ef410a58dd54b92424ffd7e28fd2ec65d2f7fc02b76f5e9b2067e355ebf6"},
+    {file = "Pillow-7.2.0-pp36-pypy36_pp73-manylinux2010_x86_64.whl", hash = "sha256:e901964262a56d9ea3c2693df68bc9860b8bdda2b04768821e4c44ae797de117"},
+    {file = "Pillow-7.2.0-pp36-pypy36_pp73-win32.whl", hash = "sha256:25930fadde8019f374400f7986e8404c8b781ce519da27792cbe46eabec00c4d"},
+    {file = "Pillow-7.2.0.tar.gz", hash = "sha256:97f9e7953a77d5a70f49b9a48da7776dc51e9b738151b22dacf101641594a626"},
+]
+pygments = [
+    {file = "Pygments-2.6.1-py3-none-any.whl", hash = "sha256:ff7a40b4860b727ab48fad6360eb351cc1b33cbf9b15a0f689ca5353e9463324"},
+    {file = "Pygments-2.6.1.tar.gz", hash = "sha256:647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44"},
+]
+pyinstaller = [
+    {file = "PyInstaller-3.6.tar.gz", hash = "sha256:3730fa80d088f8bb7084d32480eb87cbb4ddb64123363763cf8f2a1378c1c4b7"},
+]
+pyparsing = [
+    {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
+    {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
+]
+pywin32-ctypes = [
+    {file = "pywin32-ctypes-0.2.0.tar.gz", hash = "sha256:24ffc3b341d457d48e8922352130cf2644024a4ff09762a2261fd34c36ee5942"},
+    {file = "pywin32_ctypes-0.2.0-py2.py3-none-any.whl", hash = "sha256:9dc2d991b3479cc2df15930958b674a48a227d5361d413827a4cfd0b5876fc98"},
+]
+requests = [
+    {file = "requests-2.24.0-py2.py3-none-any.whl", hash = "sha256:fe75cc94a9443b9246fc7049224f75604b113c36acb93f87b80ed42c44cbb898"},
+    {file = "requests-2.24.0.tar.gz", hash = "sha256:b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b"},
+]
+urllib3 = [
+    {file = "urllib3-1.25.9-py2.py3-none-any.whl", hash = "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"},
+    {file = "urllib3-1.25.9.tar.gz", hash = "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527"},
+]
+xlrd = [
+    {file = "xlrd-1.2.0-py2.py3-none-any.whl", hash = "sha256:e551fb498759fa3a5384a94ccd4c3c02eb7c00ea424426e212ac0c57be9dfbde"},
+    {file = "xlrd-1.2.0.tar.gz", hash = "sha256:546eb36cee8db40c3eaa46c351e67ffee6eeb5fa2650b71bc4c758a29a1b29b2"},
+]

__tests__/find-pypy.test.ts

@@ -5,6 +5,7 @@ import {HttpClient} from '@actions/http-client';
 import * as ifm from '@actions/http-client/interfaces';
 import * as tc from '@actions/tool-cache';
 import * as exec from '@actions/exec';
+import * as core from '@actions/core';
 
 import * as path from 'path';
 import * as semver from 'semver';
@@ -37,16 +38,34 @@ describe('parsePyPyVersion', () => {
     ['pypy-3.6-v7.x', {pythonVersion: '3.6', pypyVersion: 'v7.x'}],
     ['pypy-3.6', {pythonVersion: '3.6', pypyVersion: 'x'}],
     ['pypy-3.6-nightly', {pythonVersion: '3.6', pypyVersion: 'nightly'}],
-    ['pypy-3.6-v7.3.3rc1', {pythonVersion: '3.6', pypyVersion: 'v7.3.3-rc.1'}]
+    ['pypy-3.6-v7.3.3rc1', {pythonVersion: '3.6', pypyVersion: 'v7.3.3-rc.1'}],
+    ['pypy3.8-v7.3.7', {pythonVersion: '3.8', pypyVersion: 'v7.3.7'}],
+    ['pypy3.8-v7.3.x', {pythonVersion: '3.8', pypyVersion: 'v7.3.x'}],
+    ['pypy3.8-v7.x', {pythonVersion: '3.8', pypyVersion: 'v7.x'}],
+    ['pypy3.8', {pythonVersion: '3.8', pypyVersion: 'x'}],
+    ['pypy3.9-nightly', {pythonVersion: '3.9', pypyVersion: 'nightly'}],
+    ['pypy3.9-v7.3.8rc1', {pythonVersion: '3.9', pypyVersion: 'v7.3.8-rc.1'}]
   ])('%s -> %s', (input, expected) => {
     expect(finder.parsePyPyVersion(input)).toEqual(expected);
   });
 
-  it('throw on invalid input', () => {
+  it.each(['', 'pypy-', 'pypy', 'p', 'notpypy-'])(
-    expect(() => finder.parsePyPyVersion('pypy-')).toThrowError(
+    'throw on invalid input "%s"',
-      "Invalid 'version' property for PyPy. PyPy version should be specified as 'pypy-<python-version>'. See README for examples and documentation."
+    input => {
+      expect(() => finder.parsePyPyVersion(input)).toThrowError(
+        "Invalid 'version' property for PyPy. PyPy version should be specified as 'pypy<python-version>' or 'pypy-<python-version>'. See README for examples and documentation."
+      );
+    }
+  );
+
+  it.each(['pypy-2', 'pypy-3', 'pypy2', 'pypy3', 'pypy3.x', 'pypy3.8.10'])(
+    'throw on invalid input "%s"',
+    input => {
+      expect(() => finder.parsePyPyVersion(input)).toThrowError(
+        "Invalid format of Python version for PyPy. Python version should be specified in format 'x.y'. See README for examples and documentation."
+      );
+    }
   );
-  });
 });
 
 describe('getPyPyVersionFromPath', () => {
@@ -130,8 +149,13 @@ describe('findPyPyVersion', () => {
   let spyWriteExactPyPyVersionFile: jest.SpyInstance;
   let spyCacheDir: jest.SpyInstance;
   let spyChmodSync: jest.SpyInstance;
+  let spyCoreAddPath: jest.SpyInstance;
+  let spyCoreExportVariable: jest.SpyInstance;
+  const env = process.env;
 
   beforeEach(() => {
+    jest.resetModules();
+    process.env = {...env};
     tcFind = jest.spyOn(tc, 'find');
     tcFind.mockImplementation((tool: string, version: string) => {
       const semverRange = new semver.Range(version);
@@ -183,32 +207,46 @@ describe('findPyPyVersion', () => {
 
     spyExistsSync = jest.spyOn(fs, 'existsSync');
     spyExistsSync.mockReturnValue(true);
+
+    spyCoreAddPath = jest.spyOn(core, 'addPath');
+
+    spyCoreExportVariable = jest.spyOn(core, 'exportVariable');
   });
 
   afterEach(() => {
     jest.resetAllMocks();
     jest.clearAllMocks();
     jest.restoreAllMocks();
+    process.env = env;
   });
 
   it('found PyPy in toolcache', async () => {
     await expect(
-      finder.findPyPyVersion('pypy-3.6-v7.3.x', architecture)
+      finder.findPyPyVersion('pypy-3.6-v7.3.x', architecture, true)
     ).resolves.toEqual({
       resolvedPythonVersion: '3.6.12',
       resolvedPyPyVersion: '7.3.3'
     });
+    expect(spyCoreAddPath).toHaveBeenCalled();
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'pythonLocation',
+      expect.anything()
+    );
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'PKG_CONFIG_PATH',
+      expect.anything()
+    );
   });
 
   it('throw on invalid input format', async () => {
     await expect(
-      finder.findPyPyVersion('pypy3.7-v7.3.x', architecture)
+      finder.findPyPyVersion('pypy3.7-v7.3.x', architecture, true)
     ).rejects.toThrow();
   });
 
   it('throw on invalid input format pypy3.7-7.3.x', async () => {
     await expect(
-      finder.findPyPyVersion('pypy3.7-v7.3.x', architecture)
+      finder.findPyPyVersion('pypy3.7-v7.3.x', architecture, true)
     ).rejects.toThrow();
   });
 
@@ -220,16 +258,42 @@ describe('findPyPyVersion', () => {
     spyChmodSync = jest.spyOn(fs, 'chmodSync');
     spyChmodSync.mockImplementation(() => undefined);
     await expect(
-      finder.findPyPyVersion('pypy-3.7-v7.3.x', architecture)
+      finder.findPyPyVersion('pypy-3.7-v7.3.x', architecture, true)
     ).resolves.toEqual({
       resolvedPythonVersion: '3.7.9',
       resolvedPyPyVersion: '7.3.3'
     });
+    expect(spyCoreAddPath).toHaveBeenCalled();
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'pythonLocation',
+      expect.anything()
+    );
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'PKG_CONFIG_PATH',
+      expect.anything()
+    );
+  });
+
+  it('found and install successfully without environment update', async () => {
+    spyCacheDir = jest.spyOn(tc, 'cacheDir');
+    spyCacheDir.mockImplementation(() =>
+      path.join(toolDir, 'PyPy', '3.7.7', architecture)
+    );
+    spyChmodSync = jest.spyOn(fs, 'chmodSync');
+    spyChmodSync.mockImplementation(() => undefined);
+    await expect(
+      finder.findPyPyVersion('pypy-3.7-v7.3.x', architecture, false)
+    ).resolves.toEqual({
+      resolvedPythonVersion: '3.7.9',
+      resolvedPyPyVersion: '7.3.3'
+    });
+    expect(spyCoreAddPath).not.toHaveBeenCalled();
+    expect(spyCoreExportVariable).not.toHaveBeenCalled();
   });
 
   it('throw if release is not found', async () => {
     await expect(
-      finder.findPyPyVersion('pypy-3.7-v7.5.x', architecture)
+      finder.findPyPyVersion('pypy-3.7-v7.5.x', architecture, true)
     ).rejects.toThrowError(
       `PyPy version 3.7 (v7.5.x) with arch ${architecture} not found`
     );

__tests__/finder.test.ts

@@ -19,15 +19,29 @@ process.env['RUNNER_TOOL_CACHE'] = toolDir;
 process.env['RUNNER_TEMP'] = tempDir;
 
 import * as tc from '@actions/tool-cache';
+import * as core from '@actions/core';
 import * as finder from '../src/find-python';
 import * as installer from '../src/install-python';
 
 const manifestData = require('./data/versions-manifest.json');
 
 describe('Finder tests', () => {
+  let spyCoreAddPath: jest.SpyInstance;
+  let spyCoreExportVariable: jest.SpyInstance;
+  const env = process.env;
+
+  beforeEach(() => {
+    jest.resetModules();
+    process.env = {...env};
+    spyCoreAddPath = jest.spyOn(core, 'addPath');
+    spyCoreExportVariable = jest.spyOn(core, 'exportVariable');
+  });
+
   afterEach(() => {
     jest.resetAllMocks();
     jest.clearAllMocks();
+    jest.restoreAllMocks();
+    process.env = env;
   });
 
   it('Finds Python if it is installed', async () => {
@@ -35,7 +49,26 @@ describe('Finder tests', () => {
     await io.mkdirP(pythonDir);
     fs.writeFileSync(`${pythonDir}.complete`, 'hello');
     // This will throw if it doesn't find it in the cache and in the manifest (because no such version exists)
-    await finder.findPythonVersion('3.x', 'x64');
+    await finder.useCpythonVersion('3.x', 'x64', true);
+    expect(spyCoreAddPath).toHaveBeenCalled();
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'pythonLocation',
+      expect.anything()
+    );
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'PKG_CONFIG_PATH',
+      expect.anything()
+    );
+  });
+
+  it('Finds Python if it is installed without environment update', async () => {
+    const pythonDir: string = path.join(toolDir, 'Python', '3.0.0', 'x64');
+    await io.mkdirP(pythonDir);
+    fs.writeFileSync(`${pythonDir}.complete`, 'hello');
+    // This will throw if it doesn't find it in the cache and in the manifest (because no such version exists)
+    await finder.useCpythonVersion('3.x', 'x64', false);
+    expect(spyCoreAddPath).not.toHaveBeenCalled();
+    expect(spyCoreExportVariable).not.toHaveBeenCalled();
   });
 
   it('Finds stable Python version if it is not installed, but exists in the manifest', async () => {
@@ -52,7 +85,16 @@ describe('Finder tests', () => {
       fs.writeFileSync(`${pythonDir}.complete`, 'hello');
     });
     // This will throw if it doesn't find it in the cache and in the manifest (because no such version exists)
-    await finder.findPythonVersion('1.2.3', 'x64');
+    await finder.useCpythonVersion('1.2.3', 'x64', true);
+    expect(spyCoreAddPath).toHaveBeenCalled();
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'pythonLocation',
+      expect.anything()
+    );
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'PKG_CONFIG_PATH',
+      expect.anything()
+    );
   });
 
   it('Finds pre-release Python version in the manifest', async () => {
@@ -74,25 +116,28 @@ describe('Finder tests', () => {
       fs.writeFileSync(`${pythonDir}.complete`, 'hello');
     });
     // This will throw if it doesn't find it in the manifest (because no such version exists)
-    await finder.findPythonVersion('1.2.3-beta.2', 'x64');
+    await finder.useCpythonVersion('1.2.3-beta.2', 'x64', true);
+    expect(spyCoreAddPath).toHaveBeenCalled();
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'pythonLocation',
+      expect.anything()
+    );
+    expect(spyCoreExportVariable).toHaveBeenCalledWith(
+      'PKG_CONFIG_PATH',
+      expect.anything()
+    );
   });
 
   it('Errors if Python is not installed', async () => {
     // This will throw if it doesn't find it in the cache and in the manifest (because no such version exists)
     let thrown = false;
     try {
-      await finder.findPythonVersion('3.300000', 'x64');
+      await finder.useCpythonVersion('3.300000', 'x64', true);
     } catch {
       thrown = true;
     }
     expect(thrown).toBeTruthy();
-  });
+    expect(spyCoreAddPath).not.toHaveBeenCalled();
-
+    expect(spyCoreExportVariable).not.toHaveBeenCalled();
-  it('Finds PyPy if it is installed', async () => {
-    const pythonDir: string = path.join(toolDir, 'PyPy', '2.0.0', 'x64');
-    await io.mkdirP(pythonDir);
-    fs.writeFileSync(`${pythonDir}.complete`, 'hello');
-    // This will throw if it doesn't find it in the cache (because no such version exists)
-    await finder.findPythonVersion('pypy2', 'x64');
   });
 });

__tests__/utils.test.ts

@@ -1,8 +1,14 @@
+import * as cache from '@actions/cache';
+import * as core from '@actions/core';
 import {
   validateVersion,
-  validatePythonVersionFormatForPyPy
+  validatePythonVersionFormatForPyPy,
+  isCacheFeatureAvailable
 } from '../src/utils';
 
+jest.mock('@actions/cache');
+jest.mock('@actions/core');
+
 describe('validatePythonVersionFormatForPyPy', () => {
   it.each([
     ['3.6', true],
@@ -32,3 +38,39 @@ describe('validateVersion', () => {
     expect(validateVersion(input)).toEqual(expected);
   });
 });
+
+describe('isCacheFeatureAvailable', () => {
+  it('isCacheFeatureAvailable disabled on GHES', () => {
+    jest.spyOn(cache, 'isFeatureAvailable').mockImplementation(() => false);
+    try {
+      process.env['GITHUB_SERVER_URL'] = 'http://example.com';
+      isCacheFeatureAvailable();
+    } catch (error) {
+      expect(error).toHaveProperty(
+        'message',
+        'Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.'
+      );
+    } finally {
+      delete process.env['GITHUB_SERVER_URL'];
+    }
+  });
+
+  it('isCacheFeatureAvailable disabled on dotcom', () => {
+    jest.spyOn(cache, 'isFeatureAvailable').mockImplementation(() => false);
+    const infoMock = jest.spyOn(core, 'warning');
+    const message =
+      'The runner was not able to contact the cache service. Caching will be skipped';
+    try {
+      process.env['GITHUB_SERVER_URL'] = 'http://github.com';
+      expect(isCacheFeatureAvailable()).toBe(false);
+      expect(infoMock).toHaveBeenCalledWith(message);
+    } finally {
+      delete process.env['GITHUB_SERVER_URL'];
+    }
+  });
+
+  it('isCacheFeatureAvailable is enabled', () => {
+    jest.spyOn(cache, 'isFeatureAvailable').mockImplementation(() => true);
+    expect(isCacheFeatureAvailable()).toBe(true);
+  });
+});

action.yml

@@ -4,10 +4,11 @@ description: 'Set up a specific version of Python and add the command-line tools
 author: 'GitHub'
 inputs:
   python-version:
-    description: "Version range or exact version of a Python version to use, using SemVer's version range syntax."
+    description: "Version range or exact version of Python to use, using SemVer's version range syntax. Reads from .python-version if unset."
-    default: '3.x'
+  python-version-file:
+    description: "File containing the Python version to use. Example: .python-version"
   cache:
-    description: 'Used to specify a package manager for caching in the default directory. Supported values: pip, pipenv.'
+    description: 'Used to specify a package manager for caching in the default directory. Supported values: pip, pipenv, poetry.'
     required: false
   architecture:
     description: 'The target architecture (x86, x64) of the Python interpreter.'
@@ -16,11 +17,18 @@ inputs:
     default: ${{ github.token }}
   cache-dependency-path:
     description: 'Used to specify the path to dependency files. Supports wildcards or a list of file names for caching multiple dependencies.'
+  update-environment:
+    description: 'Set this option if you want the action to update environment variables.'
+    default: true
 outputs:
   python-version:
     description: "The installed python version. Useful when given a version range as input."
+  cache-hit:
+    description: 'A boolean value to indicate a cache entry was found'
+  python-path:
+    description: "The absolute path to the Python executable."
 runs:
-  using: 'node12'
+  using: 'node16'
   main: 'dist/setup/index.js'
   post: 'dist/cache-save/index.js'
   post-if: success()

docs/adrs/0000-caching-dependencies.md

@@ -45,8 +45,8 @@ We won't pursue the goal to provide wide customization of caching in the scope o
 
 ```
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: 3.9
     cache: pip
@@ -56,8 +56,8 @@ steps:
 
 ```
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: 3.9
     cache: pipenv
@@ -66,8 +66,8 @@ steps:
 
 ```
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: 3.9
     cache: pip
@@ -80,8 +80,8 @@ steps:
 
 ```
 steps:
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
-- uses: actions/setup-python@v2
+- uses: actions/setup-python@v4
   with:
     python-version: 3.9
     cache: pip

package.json

@@ -1,15 +1,15 @@
 {
   "name": "setup-python",
-  "version": "2.2.2",
+  "version": "4.0.0",
   "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/",
-    "test": "jest"
+    "test": "jest --coverage"
   },
   "repository": {
     "type": "git",
@@ -23,8 +23,8 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^1.0.8",
+    "@actions/cache": "^3.0.0",
-    "@actions/core": "^1.2.3",
+    "@actions/core": "^1.7.0",
     "@actions/exec": "^1.1.0",
     "@actions/glob": "^0.2.0",
     "@actions/io": "^1.0.2",
@@ -33,15 +33,15 @@
   },
   "devDependencies": {
     "@types/jest": "^27.0.2",
-    "@types/node": "^12.20.36",
+    "@types/node": "^16.11.25",
     "@types/semver": "^7.1.0",
-    "@zeit/ncc": "^0.22.0",
+    "@vercel/ncc": "^0.33.4",
     "husky": "^7.0.2",
     "jest": "^27.2.5",
     "jest-circus": "^27.2.5",
     "prettier": "^2.0.2",
     "ts-jest": "^27.0.5",
-    "typescript": "^3.8.3"
+    "typescript": "^4.2.3"
   },
   "husky": {
     "skipCI": true,

src/cache-distributions/cache-distributor.ts

@@ -41,12 +41,17 @@ abstract class CacheDistributor {
       restoreKey
     );
 
+    this.handleMatchResult(matchedKey, primaryKey);
+  }
+
+  public handleMatchResult(matchedKey: string | undefined, primaryKey: string) {
     if (matchedKey) {
       core.saveState(State.CACHE_MATCHED_KEY, matchedKey);
       core.info(`Cache restored from key: ${matchedKey}`);
     } else {
       core.info(`${this.packageManager} cache is not found`);
     }
+    core.setOutput('cache-hit', matchedKey === primaryKey);
   }
 }
 

src/cache-distributions/cache-factory.ts

@@ -1,9 +1,11 @@
 import PipCache from './pip-cache';
 import PipenvCache from './pipenv-cache';
+import PoetryCache from './poetry-cache';
 
 export enum PackageManagers {
   Pip = 'pip',
-  Pipenv = 'pipenv'
+  Pipenv = 'pipenv',
+  Poetry = 'poetry'
 }
 
 export function getCacheDistributor(
@@ -13,9 +15,11 @@ 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);
+    case PackageManagers.Poetry:
+      return new PoetryCache(pythonVersion, cacheDependencyPath);
     default:
       throw new Error(`Caching for '${packageManager}' is not supported`);
   }

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/cache-distributions/poetry-cache.ts

@@ -0,0 +1,76 @@
+import * as glob from '@actions/glob';
+import * as os from 'os';
+import * as path from 'path';
+import * as exec from '@actions/exec';
+
+import CacheDistributor from './cache-distributor';
+
+class PoetryCache extends CacheDistributor {
+  constructor(
+    private pythonVersion: string,
+    protected patterns: string = '**/poetry.lock'
+  ) {
+    super('poetry', patterns);
+  }
+
+  protected async getCacheGlobalDirectories() {
+    const poetryConfig = await this.getPoetryConfiguration();
+
+    const cacheDir = poetryConfig['cache-dir'];
+    const virtualenvsPath = poetryConfig['virtualenvs.path'].replace(
+      '{cache-dir}',
+      cacheDir
+    );
+
+    const paths = [virtualenvsPath];
+
+    if (poetryConfig['virtualenvs.in-project'] === true) {
+      paths.push(path.join(process.cwd(), '.venv'));
+    }
+
+    return paths;
+  }
+
+  protected async computeKeys() {
+    const hash = await glob.hashFiles(this.patterns);
+    const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${this.pythonVersion}-${this.packageManager}-${hash}`;
+    const restoreKey = undefined;
+    return {
+      primaryKey,
+      restoreKey
+    };
+  }
+
+  private async getPoetryConfiguration() {
+    const {stdout, stderr, exitCode} = await exec.getExecOutput('poetry', [
+      'config',
+      '--list'
+    ]);
+
+    if (exitCode && stderr) {
+      throw new Error(
+        'Could not get cache folder path for poetry package manager'
+      );
+    }
+
+    const lines = stdout.trim().split('\n');
+
+    const config: any = {};
+
+    for (let line of lines) {
+      line = line.replace(/#.*$/gm, '');
+
+      const [key, value] = line.split('=').map(part => part.trim());
+
+      config[key] = JSON.parse(value);
+    }
+
+    return config as {
+      'cache-dir': string;
+      'virtualenvs.in-project': boolean;
+      'virtualenvs.path': string;
+    };
+  }
+}
+
+export default PoetryCache;

src/cache-save.ts

@@ -43,17 +43,11 @@ async function saveCache(packageManager: string) {
     return;
   }
 
-  try {
+  const cacheId = await cache.saveCache(cachePaths, primaryKey);
-    await cache.saveCache(cachePaths, primaryKey);
+  if (cacheId == -1) {
+    return;
+  }
   core.info(`Cache saved with the key: ${primaryKey}`);
-  } catch (error) {
-    const err = error as Error;
-    if (err.name === cache.ReserveCacheError.name) {
-      core.info(err.message);
-    } else {
-      throw error;
-    }
-  }
 }
 
 function isCacheDirectoryExists(cacheDirectory: string[]) {

src/find-pypy.ts

@@ -20,7 +20,8 @@ interface IPyPyVersionSpec {
 
 export async function findPyPyVersion(
   versionSpec: string,
-  architecture: string
+  architecture: string,
+  updateEnvironment: boolean
 ): Promise<{resolvedPyPyVersion: string; resolvedPythonVersion: string}> {
   let resolvedPyPyVersion = '';
   let resolvedPythonVersion = '';
@@ -48,10 +49,26 @@ export async function findPyPyVersion(
 
   const pipDir = IS_WINDOWS ? 'Scripts' : 'bin';
   const _binDir = path.join(installDir, pipDir);
+  const binaryExtension = IS_WINDOWS ? '.exe' : '';
+  const pythonPath = path.join(
+    IS_WINDOWS ? installDir : _binDir,
+    `python${binaryExtension}`
+  );
   const pythonLocation = pypyInstall.getPyPyBinaryPath(installDir);
-  core.exportVariable('pythonLocation', pythonLocation);
+  if (updateEnvironment) {
+    core.exportVariable('pythonLocation', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
+    core.exportVariable('Python_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython2.html#module:FindPython2
+    core.exportVariable('Python2_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
+    core.exportVariable('Python3_ROOT_DIR', installDir);
+    core.exportVariable('PKG_CONFIG_PATH', pythonLocation + '/lib/pkgconfig');
     core.addPath(pythonLocation);
     core.addPath(_binDir);
+  }
+  core.setOutput('python-version', 'pypy' + resolvedPyPyVersion.trim());
+  core.setOutput('python-path', pythonPath);
 
   return {resolvedPyPyVersion, resolvedPythonVersion};
 }
@@ -96,9 +113,14 @@ export function findPyPyToolCache(
 export function parsePyPyVersion(versionSpec: string): IPyPyVersionSpec {
   const versions = versionSpec.split('-').filter(item => !!item);
 
+  if (/^(pypy)(.+)/.test(versions[0])) {
+    let pythonVersion = versions[0].replace('pypy', '');
+    versions.splice(0, 1, 'pypy', pythonVersion);
+  }
+
   if (versions.length < 2 || versions[0] != 'pypy') {
     throw new Error(
-      "Invalid 'version' property for PyPy. PyPy version should be specified as 'pypy-<python-version>'. See README for examples and documentation."
+      "Invalid 'version' property for PyPy. PyPy version should be specified as 'pypy<python-version>' or 'pypy-<python-version>'. See README for examples and documentation."
     );
   }
 

src/find-python.ts

@@ -30,54 +30,10 @@ function binDir(installDir: string): string {
   }
 }
 
-// Note on the tool cache layout for PyPy:
+export async function useCpythonVersion(
-// PyPy has its own versioning scheme that doesn't follow the Python versioning scheme.
-// A particular version of PyPy may contain one or more versions of the Python interpreter.
-// For example, PyPy 7.0 contains Python 2.7, 3.5, and 3.6-alpha.
-// We only care about the Python version, so we don't use the PyPy version for the tool cache.
-function usePyPy(
-  majorVersion: '2' | '3.6',
-  architecture: string
-): InstalledVersion {
-  const findPyPy = tc.find.bind(undefined, 'PyPy', majorVersion);
-  let installDir: string | null = findPyPy(architecture);
-
-  if (!installDir && IS_WINDOWS) {
-    // PyPy only precompiles binaries for x86, but the architecture parameter defaults to x64.
-    // On our Windows virtual environments, we only install an x86 version.
-    // Fall back to x86.
-    installDir = findPyPy('x86');
-  }
-
-  if (!installDir) {
-    // PyPy not installed in $(Agent.ToolsDirectory)
-    throw new Error(`PyPy ${majorVersion} not found`);
-  }
-
-  // For PyPy, Windows uses 'bin', not 'Scripts'.
-  const _binDir = path.join(installDir, 'bin');
-
-  // On Linux and macOS, the Python interpreter is in 'bin'.
-  // On Windows, it is in the installation root.
-  const pythonLocation = IS_WINDOWS ? installDir : _binDir;
-  core.exportVariable('pythonLocation', pythonLocation);
-
-  core.addPath(installDir);
-  core.addPath(_binDir);
-  // Starting from PyPy 7.3.1, the folder that is used for pip and anything that pip installs should be "Scripts" on Windows.
-  if (IS_WINDOWS) {
-    core.addPath(path.join(installDir, 'Scripts'));
-  }
-
-  const impl = 'pypy' + majorVersion.toString();
-  core.setOutput('python-version', impl);
-
-  return {impl: impl, version: versionFromPath(installDir)};
-}
-
-async function useCpythonVersion(
   version: string,
-  architecture: string
+  architecture: string,
+  updateEnvironment: boolean
 ): Promise<InstalledVersion> {
   const desugaredVersionSpec = desugarDevVersion(version);
   const semanticVersionSpec = pythonVersionToSemantic(desugaredVersionSpec);
@@ -114,7 +70,23 @@ async function useCpythonVersion(
     );
   }
 
+  const _binDir = binDir(installDir);
+  const binaryExtension = IS_WINDOWS ? '.exe' : '';
+  const pythonPath = path.join(
+    IS_WINDOWS ? installDir : _binDir,
+    `python${binaryExtension}`
+  );
+  if (updateEnvironment) {
     core.exportVariable('pythonLocation', installDir);
+    core.exportVariable('PKG_CONFIG_PATH', installDir + '/lib/pkgconfig');
+    core.exportVariable('pythonLocation', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
+    core.exportVariable('Python_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython2.html#module:FindPython2
+    core.exportVariable('Python2_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
+    core.exportVariable('Python3_ROOT_DIR', installDir);
+    core.exportVariable('PKG_CONFIG_PATH', installDir + '/lib/pkgconfig');
 
     if (IS_LINUX) {
       const libPath = process.env.LD_LIBRARY_PATH
@@ -126,9 +98,8 @@ async function useCpythonVersion(
         core.exportVariable('LD_LIBRARY_PATH', pyLibPath + libPath);
       }
     }
-
     core.addPath(installDir);
-  core.addPath(binDir(installDir));
+    core.addPath(_binDir);
 
     if (IS_WINDOWS) {
       // Add --user directory
@@ -147,21 +118,19 @@ async function useCpythonVersion(
       core.addPath(userScriptsDir);
     }
     // On Linux and macOS, pip will create the --user directory and add it to PATH as needed.
+  }
 
   const installed = versionFromPath(installDir);
   core.setOutput('python-version', installed);
+  core.setOutput('python-path', pythonPath);
 
   return {impl: 'CPython', version: installed};
 }
 
-/** Convert versions like `3.8-dev` to a version like `>= 3.8.0-a0`. */
+/** Convert versions like `3.8-dev` to a version like `~3.8.0-0`. */
 function desugarDevVersion(versionSpec: string) {
-  if (versionSpec.endsWith('-dev')) {
+  const devVersion = /^(\d+)\.(\d+)-dev$/;
-    const versionRoot = versionSpec.slice(0, -'-dev'.length);
+  return versionSpec.replace(devVersion, '~$1.$2.0-0');
-    return `>= ${versionRoot}.0-a0`;
-  } else {
-    return versionSpec;
-  }
 }
 
 /** Extracts python version from install path from hosted tool cache as described in README.md */
@@ -186,18 +155,3 @@ export function pythonVersionToSemantic(versionSpec: string) {
   const prereleaseVersion = /(\d+\.\d+\.\d+)((?:a|b|rc)\d*)/g;
   return versionSpec.replace(prereleaseVersion, '$1-$2');
 }
-
-export async function findPythonVersion(
-  version: string,
-  architecture: string
-): Promise<InstalledVersion> {
-  switch (version.toUpperCase()) {
-    case 'PYPY2':
-      return usePyPy('2', architecture);
-    case 'PYPY3':
-      // keep pypy3 pointing to 3.6 for backward compatibility
-      return usePyPy('3.6', architecture);
-    default:
-      return await useCpythonVersion(version, architecture);
-  }
-}

src/install-pypy.ts

@@ -98,7 +98,9 @@ async function createPyPySymlink(
 ) {
   const version = semver.coerce(pythonVersion)!;
   const pythonBinaryPostfix = semver.major(version);
+  const pythonMinor = semver.minor(version);
   const pypyBinaryPostfix = pythonBinaryPostfix === 2 ? '' : '3';
+  const pypyMajorMinorBinaryPostfix = `${pythonBinaryPostfix}.${pythonMinor}`;
   let binaryExtension = IS_WINDOWS ? '.exe' : '';
 
   core.info('Creating symlinks...');
@@ -115,6 +117,13 @@ async function createPyPySymlink(
     `python${binaryExtension}`,
     true
   );
+
+  createSymlinkInFolder(
+    pypyBinaryPath,
+    `pypy${pypyBinaryPostfix}${binaryExtension}`,
+    `pypy${pypyMajorMinorBinaryPostfix}${binaryExtension}`,
+    true
+  );
 }
 
 async function installPip(pythonLocation: string) {

src/setup-python.ts

@@ -3,17 +3,15 @@ import * as finder from './find-python';
 import * as finderPyPy from './find-pypy';
 import * as path from 'path';
 import * as os from 'os';
+import fs from 'fs';
 import {getCacheDistributor} from './cache-distributions/cache-factory';
-import {isGhes} from './utils';
+import {isCacheFeatureAvailable, IS_LINUX, IS_WINDOWS} from './utils';
 
 function isPyPyVersion(versionSpec: string) {
-  return versionSpec.startsWith('pypy-');
+  return versionSpec.startsWith('pypy');
 }
 
 async function cacheDependencies(cache: string, pythonVersion: string) {
-  if (isGhes()) {
-    throw new Error('Caching is not supported on GHES');
-  }
   const cacheDependencyPath =
     core.getInput('cache-dependency-path') || undefined;
   const cacheDistributor = getCacheDistributor(
@@ -24,28 +22,89 @@ async function cacheDependencies(cache: string, pythonVersion: string) {
   await cacheDistributor.restoreCache();
 }
 
+function resolveVersionInput(): string {
+  let version = core.getInput('python-version');
+  let versionFile = core.getInput('python-version-file');
+
+  if (version && versionFile) {
+    core.warning(
+      'Both python-version and python-version-file inputs are specified, only python-version will be used.'
+    );
+  }
+
+  if (version) {
+    return version;
+  }
+
+  if (versionFile) {
+    if (!fs.existsSync(versionFile)) {
+      logWarning(
+        `The specified python version file at: ${versionFile} doesn't exist. Attempting to find .python-version file.`
+      );
+      versionFile = '.python-version';
+      if (!fs.existsSync(versionFile)) {
+        throw new Error(`The ${versionFile} doesn't exist.`);
+      }
+    }
+
+    version = fs.readFileSync(versionFile, 'utf8');
+    core.info(`Resolved ${versionFile} as ${version}`);
+
+    return version;
+  }
+
+  core.warning(
+    "Neither 'python-version' nor 'python-version-file' inputs were supplied."
+  );
+
+  return version;
+}
+
 async function run() {
+  // According to the README windows binaries do not require to be installed
+  // in the specific location, but Mac and Linux do
+  if (!IS_WINDOWS && !process.env.AGENT_TOOLSDIRECTORY?.trim()) {
+    if (IS_LINUX) process.env['AGENT_TOOLSDIRECTORY'] = '/opt/hostedtoolcache';
+    else process.env['AGENT_TOOLSDIRECTORY'] = '/Users/runner/hostedtoolcache';
+    process.env['RUNNER_TOOL_CACHE'] = process.env['AGENT_TOOLSDIRECTORY'];
+  }
+  core.debug(
+    `Python is expected to be installed into RUNNER_TOOL_CACHE=${process.env['RUNNER_TOOL_CACHE']}`
+  );
   try {
-    const version = core.getInput('python-version');
+    const version = resolveVersionInput();
     if (version) {
       let pythonVersion: string;
       const arch: string = core.getInput('architecture') || os.arch();
+      const updateEnvironment = core.getBooleanInput('update-environment');
       if (isPyPyVersion(version)) {
-        const installed = await finderPyPy.findPyPyVersion(version, arch);
+        const installed = await finderPyPy.findPyPyVersion(
+          version,
+          arch,
+          updateEnvironment
+        );
         pythonVersion = `${installed.resolvedPyPyVersion}-${installed.resolvedPythonVersion}`;
         core.info(
-          `Successfully setup PyPy ${installed.resolvedPyPyVersion} with Python (${installed.resolvedPythonVersion})`
+          `Successfully set up PyPy ${installed.resolvedPyPyVersion} with Python (${installed.resolvedPythonVersion})`
         );
       } else {
-        const installed = await finder.findPythonVersion(version, arch);
+        const installed = await finder.useCpythonVersion(
+          version,
+          arch,
+          updateEnvironment
+        );
         pythonVersion = installed.version;
-        core.info(`Successfully setup ${installed.impl} (${pythonVersion})`);
+        core.info(`Successfully set up ${installed.impl} (${pythonVersion})`);
       }
 
       const cache = core.getInput('cache');
-      if (cache) {
+      if (cache && isCacheFeatureAvailable()) {
         await cacheDependencies(cache, pythonVersion);
       }
+    } else {
+      core.warning(
+        'The `python-version` input is not set.  The version of Python currently in `PATH` will be used.'
+      );
     }
     const matchersPath = path.join(__dirname, '../..', '.github');
     core.info(`##[add-matcher]${path.join(matchersPath, 'python.json')}`);
@@ -54,4 +113,9 @@ async function run() {
   }
 }
 
+export function logWarning(message: string): void {
+  const warningPrefix = '[warning]';
+  core.info(`${warningPrefix}${message}`);
+}
+
 run();

src/utils.ts

@@ -1,3 +1,5 @@
+import * as cache from '@actions/cache';
+import * as core from '@actions/core';
 import fs from 'fs';
 import * as path from 'path';
 import * as semver from 'semver';
@@ -99,3 +101,21 @@ export function isGhes(): boolean {
   );
   return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM';
 }
+
+export function isCacheFeatureAvailable(): boolean {
+  if (!cache.isFeatureAvailable()) {
+    if (isGhes()) {
+      throw new Error(
+        'Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.'
+      );
+    } else {
+      core.warning(
+        'The runner was not able to contact the cache service. Caching will be skipped'
+      );
+    }
+
+    return false;
+  }
+
+  return true;
+}