New package-lock

* Remove useless await in getCacheDistributor calls

* Added cache-hit output

* Build action with cache-hit output

* Remove PromiseReturnType, add matchedKey == primaryKey check

* Update cache-distributor.ts

* Fix tests and rebuild

.gitattributes

@@ -1 +1,2 @@
-* text=auto eol=lf
+* text=auto eol=lf
+.licenses/** -diff linguist-generated=true

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @actions/actions-service

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,38 @@
+---
+name: Bug report
+about: Create a bug report
+title: ''
+labels: bug, needs triage
+assignees: ''
+
+---
+
+<!--- Please direct any generic questions related to actions to our support community forum at https://github.community/c/code-to-cloud/github-actions/41 --->
+<!--- Before opening up a new bug report, please make sure to check for similar existing issues -->
+
+**Description:**
+A clear and concise description of what the bug is.
+
+**Action version:**
+Specify the action version
+
+**Platform:**
+- [ ] Ubuntu
+- [ ] macOS
+- [ ] Windows
+
+**Runner type:**
+- [ ] Hosted
+- [ ] Self-hosted
+
+**Tools version:**
+<!--- Please list all of the affected Python versions (`3.8.2`, etc.)-->
+
+**Repro steps:**  
+A description with steps to reproduce the issue. If your have a public example or repo to share, please provide the link.
+
+**Expected behavior:**
+A description of what you expected to happen.
+
+**Actual behavior:**
+A description of what is actually happening.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature request, needs triage
+assignees: ''
+---
+<!--- Please direct any generic questions related to actions to our support community forum at https://github.community/c/code-to-cloud/github-actions/41 --->
+<!--- Before opening up a new feature request, please make sure to check for similar existing issues and pull requests -->
+
+**Description:**
+Describe your proposal.
+
+**Justification:**
+Justification or a use case for your proposal.
+
+**Are you willing to submit a PR?**
+<!--- We accept contributions! -->

.github/pull_request_template.md

@@ -0,0 +1,9 @@
+**Description:**
+Describe your changes.
+
+**Related issue:**
+Add link to the related issue.
+
+**Check list:**
+- [ ] Mark if documentation changes are required.
+- [ ] Mark if tests were added or updated to cover the changes.

.github/workflows/check-dist.yml

@@ -0,0 +1,52 @@
+# `dist/index.js` is a special file in Actions.
+# When you reference an action with `uses:` in a workflow,
+# `index.js` is the code that will run.
+# For our project, we generate this file through a build process from other source files.
+# We need to make sure the checked-in `index.js` actually matches what we expect it to be.
+name: Check dist/
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  workflow_dispatch:
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set Node.js 16.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Rebuild the dist/ directory
+        run: npm run build
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
+        id: diff
+
+      # If index.js was different than expected, upload the expected version as an artifact
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,47 @@
+name: "Code scanning - action"
+
+on:
+  push:
+    branches: [ 'main' ]
+  pull_request:
+  schedule:
+    - cron: '25 3 * * 5'
+
+jobs:
+  CodeQL-Build:
+
+    strategy:
+      fail-fast: false
+
+    # CodeQL runs on ubuntu-latest and windows-latest
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      # Override language selection by uncommenting this and choosing your languages
+      # with:
+      #   languages: go, javascript, csharp, python, cpp, java
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/e2e-cache.yml

@@ -0,0 +1,119 @@
+name: e2e-cache
+
+on:
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  push:
+    branches:
+      - main
+      - releases/*
+    paths-ignore:
+      - '**.md'
+
+permissions:
+  contents: read
+jobs:
+  python-pip-dependencies-caching:
+    name: Test pip (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-3.7-v7.x']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: ./
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+      - name: Install dependencies
+        run: pip install numpy pandas requests
+
+  python-pipenv-dependencies-caching:
+    name: Test pipenv (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-3.7-v7.x']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: ./
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pipenv'
+      - name: Install pipenv
+        run: pipx install pipenv
+      - name: Install dependencies
+        run: |
+          cd __tests__/data
+          pipenv install --verbose
+
+  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-3.7-v7.x']
+    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 }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ['3.9', 'pypy-3.7-v7.x']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: ./
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: __tests__/data/requirements.txt
+      - name: Install dependencies
+        run: pip install numpy pandas requests
+
+  python-pipenv-dependencies-caching-path:
+    name: Test pipenv (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-3.7-v7.x']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: ./
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pipenv'
+          cache-dependency-path: '**/pipenv-requirements.txt'
+      - name: Install pipenv
+        run: pipx install pipenv
+      - name: Install dependencies
+        run: |
+          cd __tests__/data
+          pipenv install --verbose

.github/workflows/licensed.yml

@@ -0,0 +1,29 @@
+name: Licensed
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    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/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/lint-yaml.yml

@@ -1,12 +0,0 @@
-name: Lint YAML
-on: [pull_request]
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@master
-    - name: Lint action.yml
-      uses: ibiqlik/action-yamllint@master
-      with:
-        file_or_dir: action.yml
-        config_file: yaml-lint-config.yml

.github/workflows/release-new-action-version.yml

@@ -0,0 +1,27 @@
+name: Release new action version
+on:
+  release:
+    types: [released]
+  workflow_dispatch:
+    inputs:
+      TAG_NAME:
+        description: 'Tag name that the major tag will point to'
+        required: true
+
+env:
+  TAG_NAME: ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }}
+permissions:
+  contents: write
+
+jobs:
+  update_tag:
+    name: Update the major tag to include the ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }} changes
+    environment:
+      name: releaseNewActionVersion
+    runs-on: ubuntu-latest
+    steps:
+    - name: Update the ${{ env.TAG_NAME }} tag
+      uses: actions/publish-action@v0.1.0
+      with:
+        source-tag: ${{ env.TAG_NAME }}
+        slack-webhook: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/test-pypy.yml

@@ -0,0 +1,46 @@
+name: Validate PyPy e2e
+on: 
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  schedule:
+    - cron: 30 3 * * *
+
+jobs:
+  setup-pypy:
+    name: Setup PyPy ${{ matrix.pypy }} ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-latest]
+        pypy:
+        - 'pypy-2.7'
+        - 'pypy-3.7'
+        - 'pypy-2.7-v7.3.4'
+        - 'pypy-3.7-v7.3.5'
+        - 'pypy-3.7-v7.3.4'
+        - 'pypy-3.7-v7.3.x'
+        - 'pypy-3.7-v7.x'
+        - 'pypy-2.7-v7.3.4rc1'
+        - 'pypy-3.7-nightly'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+  
+      - name: setup-python ${{ matrix.pypy }}
+        uses: ./
+        with:
+          python-version: ${{ matrix.pypy }}
+  
+      - name: PyPy and Python version
+        run: python --version
+  
+      - name: Run simple code
+        run: python -c 'import math; print(math.factorial(5))'

.github/workflows/test-python.yml

@@ -0,0 +1,93 @@
+name: Validate Python e2e
+on: 
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  schedule:
+    - cron: 30 3 * * *
+
+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 }}
+    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@v2
+
+    - name: setup-python ${{ matrix.python }}
+      uses: ./
+      with:
+        python-version: ${{ matrix.python }}
+
+    - 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-pre-release-version-from-manifest:
+    name: Setup 3.9.0-beta.4 ${{ matrix.os }}
+    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-python 3.9.0-beta.4
+      uses: ./
+      with:
+        python-version: '3.9.0-beta.4'
+
+    - name: Validate version
+      run: |
+        $pythonVersion = (python --version)
+        if ("Python 3.9.0b4" -ne "$pythonVersion"){
+          Write-Host "The current version is $pythonVersion; expected version is 3.9.0b4"
+          exit 1
+        }
+        $pythonVersion
+      shell: pwsh
+
+    - name: Run simple code
+      run: python -c 'import math; print(math.factorial(5))'
+

.github/workflows/workflow.yml

@@ -1,5 +1,13 @@
 name: Main workflow
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
 jobs:
   run:
     name: Run
@@ -11,16 +19,73 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
 
-    - name: Set Node.js 12.x
-      uses: actions/setup-node@v1
+    - name: Set Node.js 16.x
+      uses: actions/setup-node@v3
       with:
-        node-version: 12.x
+        node-version: 16.x
+        cache: npm
 
-    - name: npm install
-      run: npm install
+    - name: npm ci
+      run: npm ci
 
     - name: Lint
       run: npm run format-check
 
     - name: npm test
       run: npm test
+
+    - name: Run with setup-python 2.7
+      uses: ./
+      with:
+        python-version: 2.7
+    - name: Verify 2.7
+      run: python __tests__/verify-python.py 2.7
+
+    - name: Run with setup-python 3.5
+      uses: ./
+      with:
+        python-version: 3.5
+    - name: Verify 3.5
+      run: python __tests__/verify-python.py 3.5
+
+    - name: Run with setup-python 3.6
+      uses: ./
+      with:
+        python-version: 3.6
+    - name: Verify 3.6
+      run: python __tests__/verify-python.py 3.6
+
+    - name: Run with setup-python 3.7
+      uses: ./
+      with:
+        python-version: 3.7
+    - name: Verify 3.7
+      run: python __tests__/verify-python.py 3.7
+
+    - name: Run with setup-python 3.8
+      uses: ./
+      with:
+        python-version: 3.8
+    - name: Verify 3.8
+      run: python __tests__/verify-python.py 3.8
+    
+    - name: Run with setup-python 3.7.5
+      uses: ./
+      with:
+        python-version: 3.7.5
+    - name: Verify 3.7.5
+      run: python __tests__/verify-python.py 3.7.5
+
+    - name: Run with setup-python 3.6.7
+      uses: ./
+      with:
+        python-version: 3.6.7
+    - name: Verify 3.6.7
+      run: python __tests__/verify-python.py 3.6.7
+
+    - name: Run with setup-python 3.8.1
+      uses: ./
+      with:
+        python-version: 3.8.1
+    - name: Verify 3.8.1
+      run: python __tests__/verify-python.py 3.8.1

.licensed.yml

@@ -0,0 +1,15 @@
+sources:
+  npm: true
+
+allowed:
+  - apache-2.0
+  - bsd-2-clause
+  - bsd-3-clause
+  - isc
+  - mit
+  - cc0-1.0
+  - unlicense
+  - 0bsd
+
+reviewed:
+  npm:

README.md

@@ -1,4 +1,4 @@
-# setup-python
+# setup-python V3
 
 <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>
@@ -6,8 +6,20 @@
 
 This action sets up a Python environment for use in actions by:
 
-- optionally installing a version of Python and adding to PATH. Note that this action only uses versions of Python already installed in the cache. The action will fail if no matching versions are found.
-- registering problem matchers for error output
+- 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, pipenv and poetry.
+- registering problem matchers for error output.
+
+# What's new
+
+- Ability to download, install and set up Python packages from `actions/python-versions` that do not come preinstalled on runners.
+  - Allows for pinning to a specific patch version of Python without the worry of it ever being removed or changed.
+- 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, pipenv and poetry dependencies
 
 # Usage
 
@@ -16,8 +28,8 @@ See [action.yml](action.yml)
 Basic:
 ```yaml
 steps:
-- uses: actions/checkout@v2
-- uses: actions/setup-python@v1
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v3
   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
@@ -31,12 +43,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '2.x', '3.x', 'pypy2', 'pypy3' ]
+        python-version: [ '2.x', '3.x', 'pypy-2.7', 'pypy-3.7', 'pypy-3.8' ]
     name: Python ${{ matrix.python-version }} sample
     steps:
-      - uses: actions/checkout@v2
-      - name: Setup python
-        uses: actions/setup-python@v1
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
@@ -51,29 +63,114 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [2.7, 3.6, 3.7, 3.8, pypy2, pypy3]
+        python-version: ['2.7', '3.7', '3.8', '3.9', '3.10', 'pypy-2.7', 'pypy-3.8']
         exclude:
           - os: macos-latest
-            python-version: 3.8
+            python-version: '3.8'
           - os: windows-latest
-            python-version: 3.6
+            python-version: '3.6'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v3
         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:
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # in this example, there is a newer version already installed, 3.7.7, so the older version will be downloaded
+        python-version: ['3.7.4', '3.8', '3.9', '3.10']
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - run: python my_script.py
+```
+
+Download and set up an accurate pre-release version of Python:
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v3
+  with:
+    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@v3
+- uses: actions/setup-python@v3
+  with:
+    python-version: '3.11.0-alpha - 3.11.0' # SemVer's version range syntax
+- run: python my_script.py
+```
+
+Download and set up PyPy:
+
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+        - 'pypy-3.7' # the latest available version of PyPy that supports Python 3.7
+        - 'pypy-3.7-v7.3.3' # Python 3.7 and PyPy 7.3.3
+        - 'pypy-3.8' # the latest available version of PyPy that supports Python 3.8
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+      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.
+
 # 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).
 
+# Available versions of Python
+
+`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 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.
+- 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
+
+ # 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 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-3.7`, the cached version will be used although a newer version is available. If you need to start using the recently released version right after release, you should specify the exact PyPy version using `pypy-3.7-v7.3.3`.
+
+- Downloadable PyPy versions from the [official PyPy site](https://downloads.python.org/pypy/).
+  - All available versions that we can download are listed in [versions.json](https://downloads.python.org/pypy/versions.json) file.
+  - PyPy < 7.3.3 are not available to install on-flight.
+  - If some versions are not available, you can open an issue in https://foss.heptapod.net/pypy/pypy/
+
 # Hosted Tool Cache
 
-GitHub hosted runners have a tools cache that comes with Python + PyPy already installed. This tools cache helps speed up runs and tool setup by not requiring any new downloads. There is an environment variable called `RUNNER_TOOL_CACHE` on each runner that describes the location of this tools cache and there is where you will find Python and PyPy installed. `setup-python` works by taking a specific version of Python or PyPy in this tools cache and adding it to PATH.
+GitHub hosted runners have a tools cache that comes with a few versions of Python + PyPy already installed. This tools cache helps speed up runs and tool setup by not requiring any new downloads. There is an environment variable called `RUNNER_TOOL_CACHE` on each runner that describes the location of this tools cache and there is where you will find Python and PyPy installed. `setup-python` works by taking a specific version of Python or PyPy in this tools cache and adding it to PATH.
 
 || Location |
 |------|-------|
@@ -82,38 +179,167 @@ GitHub hosted runners have a tools cache that comes with Python + PyPy already i
 |**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/master/images/linux/scripts/installers/hosted-tool-cache.sh)
-- [Tools cache setup for Windows](https://github.com/actions/virtual-environments/blob/master/images/win/scripts/Installers/Download-ToolCache.ps1)
+- [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 Windows](https://github.com/actions/virtual-environments/blob/main/images/win/scripts/Installers/Download-ToolCache.ps1)
+
+# Specifying a Python version
+
+If there is a specific version of Python that you need and you don't want to worry about any potential breaking changes due to patch updates (going from `3.7.5` to `3.7.6` for example), you should specify the exact major, minor, and patch version (such as `3.7.5`)
+  - The only downside to this is that set up will take a little longer since the exact version will have to be downloaded if the exact version is not already installed on the runner due to more recent versions.
+  - MSI installers are used on Windows for this, so runs will take a little longer to set up vs Mac and Linux.
+
+You should specify only a major and minor version if you are okay with the most recent patch version being used.
+  - There will be a single patch version already installed on each runner for every minor version of Python that is supported.
+  - The patch version that will be preinstalled, will generally be the latest and every time there is a new patch released, the older version that is preinstalled will be replaced.
+  - 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 `<pypy_version>` parameter is optional and can be skipped. The latest version will be used in this case.
+
+```
+pypy-3.7 # the latest available version of PyPy that supports Python 3.7
+pypy-3.8 # the latest available version of PyPy that supports Python 3.8
+pypy-2.7 # the latest available version of PyPy that supports Python 2.7
+pypy-3.7-v7.3.3 # Python 3.7 and PyPy 7.3.3
+pypy-3.7-v7.x # Python 3.7 and the latest available PyPy 7.x
+pypy-3.7-v7.3.3rc1 # Python 3.7 and preview version of PyPy
+pypy-3.7-nightly # Python 3.7 and nightly PyPy
+```
+
+# 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`, `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, `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.
+
+The requirements file format allows to specify dependency versions using logical operators (for example chardet>=3.0.4) or specify dependencies without any versions. In this case the pip install -r requirements.txt command will always try to install the latest available package version. To be sure that the cache will be used, please stick to a specific dependency version and update it manually if necessary.
+
+**Caching pip dependencies:**
+
+```yaml
+steps:
+- uses: actions/checkout@v3
+- uses: actions/setup-python@v3
+  with:
+    python-version: '3.9'
+    cache: 'pip'
+- run: pip install -r requirements.txt
+```
+
+**Caching pipenv dependencies:**
+```yaml
+steps:
+- uses: actions/checkout@v3
+- name: Install pipenv
+  run: pipx install pipenv
+- uses: actions/setup-python@v3
+  with:
+    python-version: '3.9'
+    cache: 'pipenv'
+- run: pipenv install
+```
+
+**Caching poetry dependencies:**
+```yaml
+steps:
+- uses: actions/checkout@v3
+- name: Install poetry
+  run: pipx install poetry
+- uses: actions/setup-python@v3
+  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@v3
+- uses: actions/setup-python@v3
+  with:
+    python-version: '3.9'
+    cache: 'pip'
+    cache-dependency-path: '**/requirements-dev.txt'
+- run: pip install -r subdirectory/requirements-dev.txt
+```
+
+**Using a list of file paths to cache dependencies**
+```yaml
+steps:
+- uses: actions/checkout@v3
+- name: Install pipenv
+  run: pipx install pipenv
+- uses: actions/setup-python@v3
+  with:
+    python-version: '3.9'
+    cache: 'pipenv'
+    cache-dependency-path: |
+      server/app/Pipfile.lock
+      __test__/app/Pipfile.lock
+- run: pipenv install
+```
 
 # Using `setup-python` with a self hosted runner
 
-If you would like to use `setup-python` on a self-hosted runner, you will need to download all versions of Python & PyPy that you would like and setup a similar tools cache locally for your 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.
+
+If you are experiencing problems while configuring Python on your self-hosted runner, turn on [step debugging](https://github.com/actions/toolkit/blob/main/docs/action-debugging.md#step-debug-logs) to see addition logs.
+
+### Windows
+
+- Your runner needs to be running with administrator privileges so that the appropriate directories and files can be set up when downloading and installing a new version of Python for the first time.
+- If your runner is configured as a service, make sure the account that is running the service has the appropriate write permissions so that Python can get installed. The default `NT AUTHORITY\NETWORK SERVICE` should be sufficient.
+- You need `7zip` installed and added to your `PATH` so that the downloaded versions of Python files can be extracted properly during first-time setup.
+- MSI installers are used when setting up Python on Windows. A word of caution as MSI installers update registry settings.
+- The 3.8 MSI installer for Windows will not let you install another 3.8 version of Python. If `setup-python` fails for a 3.8 version of Python, make sure any previously installed versions are removed by going to "Apps & Features" in the Settings app.
+
+### 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.
+  - 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`.
+- The user starting the runner must have write permission to the `/opt/hostedtoolcache` directory. It is not possible to start the Linux runner with `sudo` and the `/opt` directory usually requires root privileges to write to. Check the current user and group that the runner belongs to by typing `ls -l` inside the runners root directory.
+- The runner can be granted write access to the `/opt/hostedtoolcache` directory using a few techniques:
+  - The user starting the runner is the owner, and the owner has write permission.
+  - 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/`.
+- 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
+
+- The same setup that applies to `Linux` also applies to `Mac`, just with a different tools cache directory.
+- Create a directory called `/Users/runner/hostedtoolcache`.
+- Set the `AGENT_TOOLSDIRECTORY` environment variable to `/Users/runner/hostedtoolcache`.
+- Change the permissions of `/Users/runner/hostedtoolcache` so that the runner has write access.
 
-- Create an global environment variable called `AGENT_TOOLSDIRECTORY` that will point to the root directory of where you want the tools installed. The env variable is preferrably global as it must be set in the shell that will install the tools cache, along with the shell that the runner will be using.
-    - This env variable is used internally by the runner to set the `RUNNER_TOOL_CACHE` env variable
-    - Example for Administrator Powershell: `[System.Environment]::SetEnvironmentVariable("AGENT_TOOLSDIRECTORY", "C:\hostedtoolcache\windows", [System.EnvironmentVariableTarget]::Machine)` (restart the shell afterwards)
--  Download the appropriate NPM packages from the [GitHub Actions NPM registry](https://github.com/orgs/actions/packages)
-    - Make sure to have `npm` installed, and then [configure npm for use with GitHub packages](https://help.github.com/en/packages/using-github-packages-with-your-projects-ecosystem/configuring-npm-for-use-with-github-packages#authenticating-to-github-package-registry)
-    - Create an empty npm project for easier installation (`npm init`) in the tools cache directory. You can delete `package.json`, `package.lock.json` and `node_modules` after all tools get installed
-    - Before downloading a specific package, create an empty folder for the version of Python/PyPY that is being installed. If downloading Python 3.6.8 for example, create `C:\hostedtoolcache\windows\Python\3.6.8`
-    - Once configured, download a specific package by calling `npm install`. Note (if downloading a PyPy package on Windows, you will need 7zip installed along with `7z.exe` added to your PATH)
-- Each NPM package has multiple versions that determine the version of Python or PyPy that should be installed. 
-    - `npm install @actions/toolcache-python-windows-x64@3.7.61579791175` for example installs Python 3.7.6 while `npm install @actions/toolcache-python-windows-x64@3.6.81579791177` installs Python 3.6.8
-    - You can browse and find all available versions of a package by searching the GitHub Actions NPM registry
-![image](https://user-images.githubusercontent.com/16109154/76194005-87aeb400-61e5-11ea-9b21-ef9111247f84.png)
 
 # Using Python without `setup-python`
 
 `setup-python` helps keep your dependencies explicit and ensures consistent behavior between different runners. If you use `python` in a shell on a GitHub hosted runner without `setup-python` it will default to whatever is in PATH. The default version of Python in PATH vary between runners and can change unexpectedly so we recommend you always use `setup-python`.
 
-# Available versions of Python
+# Using `setup-python` on GHES
 
-For detailed information regarding the available versions of Python that are installed see [Software installed on GitHub-hosted runners](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/software-installed-on-github-hosted-runners)
+`setup-python` comes pre-installed on the appliance with GHES if Actions is enabled. When dynamically downloading Python distributions, `setup-python` downloads distributions from [`actions/python-versions`](https://github.com/actions/python-versions) on github.com (outside of the appliance). These calls to `actions/python-versions` are made via unauthenticated requests, which are limited to [60 requests per hour per IP](https://docs.github.com/en/rest/overview/resources-in-the-rest-api#rate-limiting). If more requests are made within the time frame, then you will start to see rate-limit errors during download that read `##[error]API rate limit exceeded for...`.
+
+To avoid hitting rate-limit problems, we recommend [setting up your own runner tool cache](https://docs.github.com/en/enterprise-server@2.22/admin/github-actions/managing-access-to-actions-from-githubcom/setting-up-the-tool-cache-on-self-hosted-runners-without-internet-access#about-the-included-setup-actions-and-the-runner-tool-cache).
 
 # License
 
-The scripts and documentation in this project are released under the [MIT License](LICENSE)
+The scripts and documentation in this project are released under the [MIT License](LICENSE).
 
 # Contributions
 
-Contributions are welcome!  See [Contributor's Guide](docs/contributors.md)
+Contributions are welcome! See our [Contributor's Guide](docs/contributors.md).

__tests__/cache-restore.test.ts

@@ -0,0 +1,230 @@
+import * as core from '@actions/core';
+import * as cache from '@actions/cache';
+import * as exec from '@actions/exec';
+import {getCacheDistributor} from '../src/cache-distributions/cache-factory';
+
+describe('restore-cache', () => {
+  const pipFileLockHash =
+    'd1dd6218299d8a6db5fc2001d988b34a8b31f1e9d0bb4534d377dde7c19f64b3';
+  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;
+  let warningSpy: jest.SpyInstance;
+  let debugSpy: jest.SpyInstance;
+  let saveSatetSpy: jest.SpyInstance;
+  let getStateSpy: jest.SpyInstance;
+  let setOutputSpy: jest.SpyInstance;
+
+  // cache spy
+  let restoreCacheSpy: jest.SpyInstance;
+
+  // exec spy
+  let getExecOutputSpy: jest.SpyInstance;
+
+  beforeEach(() => {
+    process.env['RUNNER_OS'] = process.env['RUNNER_OS'] ?? 'linux';
+
+    infoSpy = jest.spyOn(core, 'info');
+    infoSpy.mockImplementation(input => undefined);
+
+    warningSpy = jest.spyOn(core, 'warning');
+    warningSpy.mockImplementation(input => undefined);
+
+    debugSpy = jest.spyOn(core, 'debug');
+    debugSpy.mockImplementation(input => undefined);
+
+    saveSatetSpy = jest.spyOn(core, 'saveState');
+    saveSatetSpy.mockImplementation(input => undefined);
+
+    getStateSpy = jest.spyOn(core, 'getState');
+    getStateSpy.mockImplementation(input => undefined);
+
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+    getExecOutputSpy.mockImplementation((input: string) => {
+      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) => {
+        return primaryKey;
+      }
+    );
+  });
+
+  describe('Validate provided package manager', () => {
+    it.each(['npm', 'pip2', 'pip21', 'pip21.3', 'pipenv32'])(
+      'Throw an error because %s is not supported',
+      async packageManager => {
+        expect(() =>
+          getCacheDistributor(packageManager, '3.8.12', undefined)
+        ).toThrowError(`Caching for '${packageManager}' is not supported`);
+      }
+    );
+  });
+
+  describe('Restore dependencies', () => {
+    it.each([
+      ['pip', '3.8.12', undefined, requirementsHash],
+      ['pip', '3.8.12', '**/requirements-linux.txt', requirementsLinuxHash],
+      [
+        'pip',
+        '3.8.12',
+        '__tests__/data/requirements-linux.txt',
+        requirementsLinuxHash
+      ],
+      ['pip', '3.8.12', '__tests__/data/requirements.txt', requirementsHash],
+      ['pipenv', '3.9.1', undefined, pipFileLockHash],
+      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash],
+      ['poetry', '3.9.1', undefined, poetryLockHash]
+    ])(
+      'restored dependencies for %s by primaryKey',
+      async (packageManager, pythonVersion, dependencyFile, fileHash) => {
+        const cacheDistributor = getCacheDistributor(
+          packageManager,
+          pythonVersion,
+          dependencyFile
+        );
+        await cacheDistributor.restoreCache();
+
+        expect(infoSpy).toHaveBeenCalledWith(
+          `Cache restored from key: setup-python-${process.env['RUNNER_OS']}-python-${pythonVersion}-${packageManager}-${fileHash}`
+        );
+      },
+      30000
+    );
+
+    it.each([
+      ['pip', '3.8.12', 'requirements-linux.txt', 'requirements-linux.txt'],
+      ['pip', '3.8.12', 'requirements.txt', 'requirements.txt'],
+      ['pipenv', '3.9.12', 'requirements.txt', 'requirements.txt']
+    ])(
+      'Should throw an error because dependency file is not found',
+      async (
+        packageManager,
+        pythonVersion,
+        dependencyFile,
+        cacheDependencyPath
+      ) => {
+        const cacheDistributor = getCacheDistributor(
+          packageManager,
+          pythonVersion,
+          dependencyFile
+        );
+        await expect(cacheDistributor.restoreCache()).rejects.toThrowError(
+          `No file in ${process.cwd()} matched to [${cacheDependencyPath
+            .split('\n')
+            .join(',')}], make sure you have checked out the target repository`
+        );
+      }
+    );
+  });
+
+  describe('Dependencies changed', () => {
+    it.each([
+      ['pip', '3.8.12', undefined, pipFileLockHash],
+      ['pip', '3.8.12', '**/requirements-linux.txt', pipFileLockHash],
+      [
+        'pip',
+        '3.8.12',
+        '__tests__/data/requirements-linux.txt',
+        pipFileLockHash
+      ],
+      ['pip', '3.8.12', '__tests__/data/requirements.txt', pipFileLockHash],
+      ['pipenv', '3.9.1', undefined, 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) => {
+        restoreCacheSpy.mockImplementation(
+          (cachePaths: string[], primaryKey: string, restoreKey?: string) => {
+            return primaryKey !== fileHash && restoreKey ? pipFileLockHash : '';
+          }
+        );
+        const cacheDistributor = getCacheDistributor(
+          packageManager,
+          pythonVersion,
+          dependencyFile
+        );
+        await cacheDistributor.restoreCache();
+        let result = '';
+
+        switch (packageManager) {
+          case 'pip':
+            result = `Cache restored from key: ${fileHash}`;
+            break;
+          case 'pipenv':
+            result = 'pipenv cache is not found';
+            break;
+          case 'poetry':
+            result = 'poetry cache is not found';
+            break;
+        }
+
+        expect(infoSpy).toHaveBeenCalledWith(result);
+      }
+    );
+  });
+
+  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

@@ -0,0 +1,222 @@
+import * as core from '@actions/core';
+import * as cache from '@actions/cache';
+import * as exec from '@actions/exec';
+import {run} from '../src/cache-save';
+import {State} from '../src/cache-distributions/cache-distributor';
+
+describe('run', () => {
+  const pipFileLockHash =
+    'd1dd6218299d8a6db5fc2001d988b34a8b31f1e9d0bb4534d377dde7c19f64b3';
+  const requirementsHash =
+    'd8110e0006d7fb5ee76365d565eef9d37df1d11598b912d3eb66d398d57a1121';
+  const requirementsLinuxHash =
+    '2d0ff7f46b0e120e3d3294db65768b474934242637b9899b873e6283dfd16d7c';
+  const poetryLockHash =
+    '571bf984f8d210e6a97f854e479fdd4a2b5af67b5fdac109ec337a0ea16e7836';
+
+  // core spy
+  let infoSpy: jest.SpyInstance;
+  let warningSpy: jest.SpyInstance;
+  let debugSpy: jest.SpyInstance;
+  let saveSatetSpy: jest.SpyInstance;
+  let getStateSpy: jest.SpyInstance;
+  let getInputSpy: jest.SpyInstance;
+  let setFailedSpy: jest.SpyInstance;
+
+  // cache spy
+  let saveCacheSpy: jest.SpyInstance;
+
+  // exec spy
+  let getExecOutputSpy: jest.SpyInstance;
+
+  let inputs = {} as any;
+
+  beforeEach(() => {
+    process.env['RUNNER_OS'] = process.env['RUNNER_OS'] ?? 'linux';
+
+    infoSpy = jest.spyOn(core, 'info');
+    infoSpy.mockImplementation(input => undefined);
+
+    warningSpy = jest.spyOn(core, 'warning');
+    warningSpy.mockImplementation(input => undefined);
+
+    debugSpy = jest.spyOn(core, 'debug');
+    debugSpy.mockImplementation(input => undefined);
+
+    saveSatetSpy = jest.spyOn(core, 'saveState');
+    saveSatetSpy.mockImplementation(input => undefined);
+
+    getStateSpy = jest.spyOn(core, 'getState');
+    getStateSpy.mockImplementation(input => {
+      if (input === State.CACHE_PATHS) {
+        return JSON.stringify([__dirname]);
+      }
+      return requirementsHash;
+    });
+
+    setFailedSpy = jest.spyOn(core, 'setFailed');
+
+    getInputSpy = jest.spyOn(core, 'getInput');
+    getInputSpy.mockImplementation(input => inputs[input]);
+
+    getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
+    getExecOutputSpy.mockImplementation((input: string) => {
+      if (input.includes('pip')) {
+        return {stdout: 'pip', stderr: '', exitCode: 0};
+      }
+
+      return {stdout: '', stderr: 'Error occured', exitCode: 2};
+    });
+
+    saveCacheSpy = jest.spyOn(cache, 'saveCache');
+    saveCacheSpy.mockImplementation(() => undefined);
+  });
+
+  describe('Package manager validation', () => {
+    it('Package manager is not provided, skip caching', async () => {
+      inputs['cache'] = '';
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(infoSpy).not.toHaveBeenCalled();
+      expect(saveCacheSpy).not.toHaveBeenCalled();
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
+  });
+
+  describe('Validate unchanged cache is not saved', () => {
+    it('should not save cache for pip', async () => {
+      inputs['cache'] = 'pip';
+
+      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();
+    });
+
+    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();
+    });
+
+    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', () => {
+    it('saves cache from pip', async () => {
+      inputs['cache'] = 'pip';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.CACHE_MATCHED_KEY) {
+          return requirementsHash;
+        } else if (name === State.CACHE_PATHS) {
+          return JSON.stringify([__dirname]);
+        } else {
+          return pipFileLockHash;
+        }
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).not.toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${requirementsHash}, not saving cache.`
+      );
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(infoSpy).toHaveBeenLastCalledWith(
+        `Cache saved with the key: ${pipFileLockHash}`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
+
+    it('saves cache from pipenv', async () => {
+      inputs['cache'] = 'pipenv';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.CACHE_MATCHED_KEY) {
+          return pipFileLockHash;
+        } 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 ${pipFileLockHash}, not saving cache.`
+      );
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(infoSpy).toHaveBeenLastCalledWith(
+        `Cache saved with the key: ${requirementsHash}`
+      );
+      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();
+    });
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    inputs = {};
+  });
+});

__tests__/data/Pipfile

@@ -0,0 +1,13 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+numpy = "1.22.3"
+pandas = "1.4.2"
+
+[dev-packages]
+
+[requires]
+python_version = "*"

__tests__/data/Pipfile.lock

@@ -0,0 +1,97 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "33e3640eff8b2b6c7149b85568151f39a66c544033b4b3f3f2ec9ad5ce6dfe7e"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "*"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "numpy": {
+            "hashes": [
+                "sha256:07a8c89a04997625236c5ecb7afe35a02af3896c8aa01890a849913a2309c676",
+                "sha256:08d9b008d0156c70dc392bb3ab3abb6e7a711383c3247b410b39962263576cd4",
+                "sha256:201b4d0552831f7250a08d3b38de0d989d6f6e4658b709a02a73c524ccc6ffce",
+                "sha256:2c10a93606e0b4b95c9b04b77dc349b398fdfbda382d2a39ba5a822f669a0123",
+                "sha256:3ca688e1b9b95d80250bca34b11a05e389b1420d00e87a0d12dc45f131f704a1",
+                "sha256:48a3aecd3b997bf452a2dedb11f4e79bc5bfd21a1d4cc760e703c31d57c84b3e",
+                "sha256:568dfd16224abddafb1cbcce2ff14f522abe037268514dd7e42c6776a1c3f8e5",
+                "sha256:5bfb1bb598e8229c2d5d48db1860bcf4311337864ea3efdbe1171fb0c5da515d",
+                "sha256:639b54cdf6aa4f82fe37ebf70401bbb74b8508fddcf4797f9fe59615b8c5813a",
+                "sha256:8251ed96f38b47b4295b1ae51631de7ffa8260b5b087808ef09a39a9d66c97ab",
+                "sha256:92bfa69cfbdf7dfc3040978ad09a48091143cffb778ec3b03fa170c494118d75",
+                "sha256:97098b95aa4e418529099c26558eeb8486e66bd1e53a6b606d684d0c3616b168",
+                "sha256:a3bae1a2ed00e90b3ba5f7bd0a7c7999b55d609e0c54ceb2b076a25e345fa9f4",
+                "sha256:c34ea7e9d13a70bf2ab64a2532fe149a9aced424cd05a2c4ba662fd989e3e45f",
+                "sha256:dbc7601a3b7472d559dc7b933b18b4b66f9aa7452c120e87dfb33d02008c8a18",
+                "sha256:e7927a589df200c5e23c57970bafbd0cd322459aa7b1ff73b7c2e84d6e3eae62",
+                "sha256:f8c1f39caad2c896bc0018f699882b345b2a63708008be29b1f355ebf6f933fe",
+                "sha256:f950f8845b480cffe522913d35567e29dd381b0dc7e4ce6a4a9f9156417d2430",
+                "sha256:fade0d4f4d292b6f39951b6836d7a3c7ef5b2347f3c420cd9820a1d90d794802",
+                "sha256:fdf3c08bce27132395d3c3ba1503cac12e17282358cb4bddc25cc46b0aca07aa"
+            ],
+            "index": "pypi",
+            "version": "==1.22.3"
+        },
+        "pandas": {
+            "hashes": [
+                "sha256:0010771bd9223f7afe5f051eb47c4a49534345dfa144f2f5470b27189a4dd3b5",
+                "sha256:061609334a8182ab500a90fe66d46f6f387de62d3a9cb9aa7e62e3146c712167",
+                "sha256:09d8be7dd9e1c4c98224c4dfe8abd60d145d934e9fc1f5f411266308ae683e6a",
+                "sha256:295872bf1a09758aba199992c3ecde455f01caf32266d50abc1a073e828a7b9d",
+                "sha256:3228198333dd13c90b6434ddf61aa6d57deaca98cf7b654f4ad68a2db84f8cfe",
+                "sha256:385c52e85aaa8ea6a4c600a9b2821181a51f8be0aee3af6f2dcb41dafc4fc1d0",
+                "sha256:51649ef604a945f781105a6d2ecf88db7da0f4868ac5d45c51cb66081c4d9c73",
+                "sha256:5586cc95692564b441f4747c47c8a9746792e87b40a4680a2feb7794defb1ce3",
+                "sha256:5a206afa84ed20e07603f50d22b5f0db3fb556486d8c2462d8bc364831a4b417",
+                "sha256:5b79af3a69e5175c6fa7b4e046b21a646c8b74e92c6581a9d825687d92071b51",
+                "sha256:5c54ea4ef3823108cd4ec7fb27ccba4c3a775e0f83e39c5e17f5094cb17748bc",
+                "sha256:8c5bf555b6b0075294b73965adaafb39cf71c312e38c5935c93d78f41c19828a",
+                "sha256:92bc1fc585f1463ca827b45535957815b7deb218c549b7c18402c322c7549a12",
+                "sha256:95c1e422ced0199cf4a34385ff124b69412c4bc912011ce895582bee620dfcaa",
+                "sha256:b8134651258bce418cb79c71adeff0a44090c98d955f6953168ba16cc285d9f7",
+                "sha256:be67c782c4f1b1f24c2f16a157e12c2693fd510f8df18e3287c77f33d124ed07",
+                "sha256:c072c7f06b9242c855ed8021ff970c0e8f8b10b35e2640c657d2a541c5950f59",
+                "sha256:d0d4f13e4be7ce89d7057a786023c461dd9370040bdb5efa0a7fe76b556867a0",
+                "sha256:df82739e00bb6daf4bba4479a40f38c718b598a84654cbd8bb498fd6b0aa8c16",
+                "sha256:f549097993744ff8c41b5e8f2f0d3cbfaabe89b4ae32c8c08ead6cc535b80139",
+                "sha256:ff08a14ef21d94cdf18eef7c569d66f2e24e0bc89350bcd7d243dd804e3b5eb2"
+            ],
+            "index": "pypi",
+            "version": "==1.4.2"
+        },
+        "python-dateutil": {
+            "hashes": [
+                "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86",
+                "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
+            "version": "==2.8.2"
+        },
+        "pytz": {
+            "hashes": [
+                "sha256:1e760e2fe6a8163bc0b3d9a19c4f84342afa0a2affebfaa84b01b978a02ecaa7",
+                "sha256:e68985985296d9a66a881eb3193b0906246245294a881e7c8afe623866ac6a5c"
+            ],
+            "version": "==2022.1"
+        },
+        "six": {
+            "hashes": [
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
+            "version": "==1.16.0"
+        }
+    },
+    "develop": {}
+}

__tests__/data/pipenv-requirements.txt

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

__tests__/data/poetry.lock

@@ -0,0 +1,413 @@
+[[package]]
+name = "altgraph"
+version = "0.17.2"
+description = "Python graph (network) package"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "certifi"
+version = "2020.6.20"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "chardet"
+version = "3.0.4"
+description = "Universal encoding detector for Python 2 and 3"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "dis3"
+version = "0.1.3"
+description = "Python 2.7 backport of the \"dis\" module from Python 3.5+"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "docutils"
+version = "0.16"
+description = "Docutils -- Python Documentation Utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "future"
+version = "0.18.2"
+description = "Clean single-source support for Python 3 and 2"
+category = "main"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "idna"
+version = "2.9"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "itsdangerous"
+version = "1.1.0"
+description = "Various helpers to pass data to untrusted environments and back."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "kivy"
+version = "1.11.1"
+description = "A software library for rapid development of hardware-accelerated multitouch applications."
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+docutils = "*"
+Kivy-Garden = ">=0.1.4"
+pygments = "*"
+
+[package.extras]
+tuio = ["oscpy"]
+
+[[package]]
+name = "kivy-deps.angle"
+version = "0.3.0"
+description = "Repackaged binary dependency of Kivy."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "kivy-deps.glew"
+version = "0.1.12"
+description = "Repackaged binary dependency of Kivy."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "kivy-deps.gstreamer"
+version = "0.1.17"
+description = "Repackaged binary dependency of Kivy."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "kivy-deps.sdl2"
+version = "0.1.22"
+description = "Repackaged binary dependency of Kivy."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "kivy-garden"
+version = "0.1.4"
+description = "Garden tool for kivy flowers."
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+requests = "*"
+
+[[package]]
+name = "packaging"
+version = "21.0"
+description = "Core utilities for Python packages"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+pyparsing = ">=2.0.2"
+
+[[package]]
+name = "pdf2image"
+version = "1.12.1"
+description = "A wrapper around the pdftoppm and pdftocairo command line tools to convert PDF to a PIL Image list."
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+pillow = "*"
+
+[[package]]
+name = "pefile"
+version = "2021.9.3"
+description = "Python PE parsing module"
+category = "main"
+optional = false
+python-versions = ">=3.6.0"
+
+[package.dependencies]
+future = "*"
+
+[[package]]
+name = "pillow"
+version = "7.2.0"
+description = "Python Imaging Library (Fork)"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[[package]]
+name = "pygments"
+version = "2.6.1"
+description = "Pygments is a syntax highlighting package written in Python."
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[[package]]
+name = "pyinstaller"
+version = "3.6"
+description = "PyInstaller bundles a Python application and all its dependencies into a single package."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.dependencies]
+altgraph = "*"
+dis3 = "*"
+
+[[package]]
+name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "main"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "pywin32-ctypes"
+version = "0.2.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "requests"
+version = "2.24.0"
+description = "Python HTTP for Humans."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.dependencies]
+certifi = ">=2017.4.17"
+chardet = ">=3.0.2,<4"
+idna = ">=2.5,<3"
+urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
+
+[package.extras]
+security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
+socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
+
+[[package]]
+name = "urllib3"
+version = "1.25.9"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
+
+[package.extras]
+brotli = ["brotlipy (>=0.6.0)"]
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+    {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__/data/pypy.json

@@ -0,0 +1,533 @@
+[
+  {
+    "pypy_version": "7.3.3",
+    "python_version": "3.6.12",
+    "stable": true,
+    "latest_pypy": true,
+    "date": "2020-11-21",
+    "files": [
+      {
+        "filename": "pypy3.6-v7.3.3-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-darwin64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3-darwin64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-win32.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3-win32.zip"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.3rc1",
+    "python_version": "3.6.12",
+    "stable": false,
+    "latest_pypy": false,
+    "date": "2020-11-11",
+    "files": [
+      {
+        "filename": "pypy3.6-v7.3.3rc1-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3rc1-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-linux32rc1.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3rc1-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3rc1-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3rc1-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3rc1-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3rc1-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3-win32rc1.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3rc1-win32.zip"
+      },
+      {
+        "filename": "pypy3.6-v7.3.3rc1-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.3rc1-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.4rc1",
+    "python_version": "2.7.18",
+    "stable": false,
+    "latest_pypy": false,
+    "date": "2021-03-19",
+    "files": [
+      {
+        "filename": "pypy2.7-v7.3.4rc1-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.downloads.python.org/pypy/pypy2.7-v7.3.4rc1-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.4rc1-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.downloads.python.org/pypy/pypy2.7-v7.3.4rc1-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.4rc1-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.downloads.python.org/pypy/pypy2.7-v7.3.4rc1-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.4rc1-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.downloads.python.org/pypy/pypy2.7-v7.3.4rc1-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.4rc1-win64.zip",
+        "arch": "x64",
+        "platform": "win64",
+        "download_url": "https://test.downloads.python.org/pypy/pypy2.7-v7.3.4rc1-win64.zip"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.3rc2",
+    "python_version": "3.7.7",
+    "stable": false,
+    "latest_pypy": false,
+    "date": "2020-11-11",
+    "files": [
+      {
+        "filename": "test.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "test.tar.bz2"
+      },
+      {
+        "filename": "test.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "test.tar.bz2"
+      },
+      {
+        "filename": "test.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "test.tar.bz2"
+      },
+      {
+        "filename": "test.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "test.tar.bz2"
+      },
+      {
+        "filename": "test.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "test.zip"
+      },
+      {
+        "filename": "test.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "test.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.3",
+    "python_version": "3.7.9",
+    "stable": true,
+    "latest_pypy": true,
+    "date": "2020-11-21",
+    "files": [
+      {
+        "filename": "pypy3.7-v7.3.3-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.3-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.3-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.3-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.3-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.3-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.3-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.3-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.3-win32.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.3-win32.zip"
+      },
+      {
+        "filename": "pypy3.7-v7.3.3-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.3-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.3",
+    "python_version": "2.7.18",
+    "stable": true,
+    "latest_pypy": true,
+    "date": "2020-11-21",
+    "files": [
+      {
+        "filename": "pypy2.7-v7.3.3-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.3-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.3-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.3-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.3-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.3-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.3-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.3-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.3-win32.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.3-win32.zip"
+      },
+      {
+        "filename": "pypy2.7-v7.3.3-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.3-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.2",
+    "python_version": "3.6.9",
+    "stable": true,
+    "latest_pypy": true,
+    "date": "2020-09-25",
+    "files": [
+      {
+        "filename": "pypy3.6-v7.3.2-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.2-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.2-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.2-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.2-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.2-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.2-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.2-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.6-v7.3.2-win32.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.2-win32.zip"
+      },
+      {
+        "filename": "pypy3.6-v7.3.2-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.6-v7.3.2-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.2",
+    "python_version": "3.7.9",
+    "stable": true,
+    "latest_pypy": false,
+    "date": "2020-09-25",
+    "files": [
+      {
+        "filename": "pypy3.7-v7.3.2-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.2-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.2-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.2-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.2-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.2-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.2-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.2-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy3.7-v7.3.2-win32.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.2-win32.zip"
+      },
+      {
+        "filename": "pypy3.7-v7.3.2-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy3.7-v7.3.2-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "7.3.2",
+    "python_version": "2.7.13",
+    "stable": true,
+    "latest_pypy": true,
+    "date": "2020-09-25",
+    "files": [
+      {
+        "filename": "pypy2.7-v7.3.2-aarch64.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.2-aarch64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.2-linux32.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.2-linux32.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.2-linux64.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.2-linux64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.2-osx64.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.2-osx64.tar.bz2"
+      },
+      {
+        "filename": "pypy2.7-v7.3.2-win32.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.2-win32.zip"
+      },
+      {
+        "filename": "pypy2.7-v7.3.2-s390x.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "https://test.download.python.org/pypy/pypy2.7-v7.3.2-s390x.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "nightly",
+    "python_version": "2.7",
+    "stable": false,
+    "latest_pypy": false,
+    "files": [
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "http://nightlyBuilds.org/filename.zip"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "nightly",
+    "python_version": "3.7",
+    "stable": false,
+    "latest_pypy": false,
+    "files": [
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "http://nightlyBuilds.org/filename.zip"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      }
+    ]
+  },
+  {
+    "pypy_version": "nightly",
+    "python_version": "3.6",
+    "stable": false,
+    "latest_pypy": false,
+    "files": [
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "aarch64",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "i686",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      },
+      {
+        "filename": "filename.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "http://nightlyBuilds.org/filename.zip"
+      },
+      {
+        "filename": "filename.tar.bz2",
+        "arch": "s390x",
+        "platform": "linux",
+        "download_url": "http://nightlyBuilds.org/filename.tar.bz2"
+      }
+    ]
+  }
+]

__tests__/data/requirements-linux.txt

@@ -0,0 +1,12 @@
+certifi==2020.6.20
+chardet==3.0.4
+docutils==0.16
+idna==2.10
+Kivy==2.0.0rc3
+Kivy-Garden==0.1.4
+packaging==20.7
+pdf2image==1.12.1
+Pygments==2.6.1
+requests==2.24.0
+urllib3==1.25.10
+xlrd==1.2.0

__tests__/data/requirements.txt

@@ -0,0 +1,47 @@
+altgraph==0.17.2
+
+certifi==2020.6.20
+
+chardet==3.0.4
+
+docutils==0.16
+
+future==0.18.2; python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'
+
+idna==2.9
+
+itsdangerous==1.1.0
+
+kivy-deps-angle==0.3.0
+
+kivy-deps.glew==0.1.12
+
+kivy-deps.gstreamer==0.1.17
+
+kivy-deps.sdl2==0.1.22
+
+kivy-garden==0.1.4
+
+kivy==1.11.1
+
+packaging==21.0
+
+pdf2image==1.12.1
+
+pefile==2021.9.3; python_full_version >= '3.6.0'
+
+pillow==7.2
+
+pygments==2.6.1
+
+pyinstaller==3.6
+
+pyparsing==2.4.7; python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'
+
+pywin32-ctypes==0.2.0
+
+requests==2.24.0
+
+urllib3==1.25.9
+
+xlrd==1.2.0

__tests__/data/versions-manifest.json

@@ -0,0 +1,52 @@
+[
+    {
+      "version": "1.2.3",
+      "stable": true,
+      "release_url": "https://github.com/actions/sometool/releases/tag/1.2.3-20200402.6",
+      "files": [
+        {
+          "filename": "sometool-1.2.3-linux-x64.tar.gz",
+          "arch": "x64",
+          "platform": "linux",
+          "download_url": "https://github.com/actions/sometool/releases/tag/1.2.3-20200402.6/sometool-1.2.3-linux-x64.tar.gz"
+        },
+        {
+          "filename": "sometool-1.2.3-darwin-x64.tar.gz",
+          "arch": "x64",
+          "platform": "darwin",
+          "download_url": "https://github.com/actions/sometool/releases/tag/1.2.3-20200402.6/sometool-1.2.3-darwin-x64.tar.gz"
+        },
+        {
+          "filename": "sometool-1.2.3-win32-x64.tar.gz",
+          "arch": "x64",
+          "platform": "win32",
+          "download_url": "https://github.com/actions/sometool/releases/tag/1.2.3-20200402.6/sometool-1.2.3-win32-x64.tar.gz"
+        }
+      ]
+    },
+    {
+      "version": "1.2.3-beta.2",
+      "stable": false,
+      "release_url": "https://github.com/actions/sometool/releases/tag/1.2.3-beta.2-20200402.5",
+      "files": [
+        {
+          "filename": "sometool-1.2.3-linux-x64.tar.gz",
+          "arch": "x64",
+          "platform": "linux",
+          "download_url": "https://github.com/actions/sometool/releases/tag/1.2.3-beta.2-20200402.5/sometool-1.2.3-linux-x64.tar.gz"
+        },
+        {
+          "filename": "sometool-1.2.3-darwin-x64.tar.gz",
+          "arch": "x64",
+          "platform": "darwin",
+          "download_url": "https://github.com/actions/sometool/releases/tag/1.2.3-20200402.5/sometool-1.2.3-darwin-x64.tar.gz"
+        },
+        {
+          "filename": "sometool-1.2.3-win32-x64.tar.gz",
+          "arch": "x64",
+          "platform": "win32",
+          "download_url": "https://github.com/actions/sometool/releases/tag/1.2.3-20200402.5/sometool-1.2.3-win32-x64.tar.gz"
+        }
+      ]
+    }
+]

__tests__/find-pypy.test.ts

@@ -0,0 +1,237 @@
+import fs from 'fs';
+
+import * as utils from '../src/utils';
+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 path from 'path';
+import * as semver from 'semver';
+
+import * as finder from '../src/find-pypy';
+import {
+  IPyPyManifestRelease,
+  IS_WINDOWS,
+  validateVersion,
+  getPyPyVersionFromPath
+} from '../src/utils';
+
+const manifestData = require('./data/pypy.json');
+
+let architecture: string;
+
+if (IS_WINDOWS) {
+  architecture = 'x86';
+} else {
+  architecture = 'x64';
+}
+
+const toolDir = path.join(__dirname, 'runner', 'tools');
+const tempDir = path.join(__dirname, 'runner', 'temp');
+
+describe('parsePyPyVersion', () => {
+  it.each([
+    ['pypy-3.6-v7.3.3', {pythonVersion: '3.6', pypyVersion: 'v7.3.3'}],
+    ['pypy-3.6-v7.3.x', {pythonVersion: '3.6', pypyVersion: 'v7.3.x'}],
+    ['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'}]
+  ])('%s -> %s', (input, expected) => {
+    expect(finder.parsePyPyVersion(input)).toEqual(expected);
+  });
+
+  it('throw on invalid input', () => {
+    expect(() => finder.parsePyPyVersion('pypy-')).toThrowError(
+      "Invalid 'version' property for PyPy. PyPy version should be specified as 'pypy-<python-version>'. See README for examples and documentation."
+    );
+  });
+});
+
+describe('getPyPyVersionFromPath', () => {
+  it('/fake/toolcache/PyPy/3.6.5/x64 -> 3.6.5', () => {
+    expect(getPyPyVersionFromPath('/fake/toolcache/PyPy/3.6.5/x64')).toEqual(
+      '3.6.5'
+    );
+  });
+});
+
+describe('findPyPyToolCache', () => {
+  const actualPythonVersion = '3.6.17';
+  const actualPyPyVersion = '7.5.4';
+  const pypyPath = path.join('PyPy', actualPythonVersion, architecture);
+  let tcFind: jest.SpyInstance;
+  let spyReadExactPyPyVersion: jest.SpyInstance;
+
+  beforeEach(() => {
+    tcFind = jest.spyOn(tc, 'find');
+    tcFind.mockImplementation((toolname: string, pythonVersion: string) => {
+      const semverVersion = new semver.Range(pythonVersion);
+      return semver.satisfies(actualPythonVersion, semverVersion)
+        ? pypyPath
+        : '';
+    });
+
+    spyReadExactPyPyVersion = jest.spyOn(utils, 'readExactPyPyVersionFile');
+    spyReadExactPyPyVersion.mockImplementation(() => actualPyPyVersion);
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    jest.restoreAllMocks();
+  });
+
+  it('PyPy exists on the path and versions are satisfied', () => {
+    expect(finder.findPyPyToolCache('3.6.17', 'v7.5.4', architecture)).toEqual({
+      installDir: pypyPath,
+      resolvedPythonVersion: actualPythonVersion,
+      resolvedPyPyVersion: actualPyPyVersion
+    });
+  });
+
+  it('PyPy exists on the path and versions are satisfied with semver', () => {
+    expect(finder.findPyPyToolCache('3.6', 'v7.5.x', architecture)).toEqual({
+      installDir: pypyPath,
+      resolvedPythonVersion: actualPythonVersion,
+      resolvedPyPyVersion: actualPyPyVersion
+    });
+  });
+
+  it("PyPy exists on the path, but Python version doesn't match", () => {
+    expect(finder.findPyPyToolCache('3.7', 'v7.5.4', architecture)).toEqual({
+      installDir: '',
+      resolvedPythonVersion: '',
+      resolvedPyPyVersion: ''
+    });
+  });
+
+  it("PyPy exists on the path, but PyPy version doesn't match", () => {
+    expect(finder.findPyPyToolCache('3.6', 'v7.5.1', architecture)).toEqual({
+      installDir: null,
+      resolvedPythonVersion: '',
+      resolvedPyPyVersion: ''
+    });
+  });
+});
+
+describe('findPyPyVersion', () => {
+  let tcFind: jest.SpyInstance;
+  let spyExtractZip: jest.SpyInstance;
+  let spyExtractTar: jest.SpyInstance;
+  let spyHttpClient: jest.SpyInstance;
+  let spyExistsSync: jest.SpyInstance;
+  let spyExec: jest.SpyInstance;
+  let spySymlinkSync: jest.SpyInstance;
+  let spyDownloadTool: jest.SpyInstance;
+  let spyReadExactPyPyVersion: jest.SpyInstance;
+  let spyFsReadDir: jest.SpyInstance;
+  let spyWriteExactPyPyVersionFile: jest.SpyInstance;
+  let spyCacheDir: jest.SpyInstance;
+  let spyChmodSync: jest.SpyInstance;
+
+  beforeEach(() => {
+    tcFind = jest.spyOn(tc, 'find');
+    tcFind.mockImplementation((tool: string, version: string) => {
+      const semverRange = new semver.Range(version);
+      let pypyPath = '';
+      if (semver.satisfies('3.6.12', semverRange)) {
+        pypyPath = path.join(toolDir, 'PyPy', '3.6.12', architecture);
+      }
+      return pypyPath;
+    });
+
+    spyWriteExactPyPyVersionFile = jest.spyOn(
+      utils,
+      'writeExactPyPyVersionFile'
+    );
+    spyWriteExactPyPyVersionFile.mockImplementation(() => null);
+
+    spyReadExactPyPyVersion = jest.spyOn(utils, 'readExactPyPyVersionFile');
+    spyReadExactPyPyVersion.mockImplementation(() => '7.3.3');
+
+    spyDownloadTool = jest.spyOn(tc, 'downloadTool');
+    spyDownloadTool.mockImplementation(() => path.join(tempDir, 'PyPy'));
+
+    spyExtractZip = jest.spyOn(tc, 'extractZip');
+    spyExtractZip.mockImplementation(() => tempDir);
+
+    spyExtractTar = jest.spyOn(tc, 'extractTar');
+    spyExtractTar.mockImplementation(() => tempDir);
+
+    spyFsReadDir = jest.spyOn(fs, 'readdirSync');
+    spyFsReadDir.mockImplementation((directory: string) => ['PyPyTest']);
+
+    spyHttpClient = jest.spyOn(HttpClient.prototype, 'getJson');
+    spyHttpClient.mockImplementation(
+      async (): Promise<ifm.ITypedResponse<IPyPyManifestRelease[]>> => {
+        const result = JSON.stringify(manifestData);
+        return {
+          statusCode: 200,
+          headers: {},
+          result: JSON.parse(result) as IPyPyManifestRelease[]
+        };
+      }
+    );
+
+    spyExec = jest.spyOn(exec, 'exec');
+    spyExec.mockImplementation(() => undefined);
+
+    spySymlinkSync = jest.spyOn(fs, 'symlinkSync');
+    spySymlinkSync.mockImplementation(() => undefined);
+
+    spyExistsSync = jest.spyOn(fs, 'existsSync');
+    spyExistsSync.mockReturnValue(true);
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    jest.restoreAllMocks();
+  });
+
+  it('found PyPy in toolcache', async () => {
+    await expect(
+      finder.findPyPyVersion('pypy-3.6-v7.3.x', architecture)
+    ).resolves.toEqual({
+      resolvedPythonVersion: '3.6.12',
+      resolvedPyPyVersion: '7.3.3'
+    });
+  });
+
+  it('throw on invalid input format', async () => {
+    await expect(
+      finder.findPyPyVersion('pypy3.7-v7.3.x', architecture)
+    ).rejects.toThrow();
+  });
+
+  it('throw on invalid input format pypy3.7-7.3.x', async () => {
+    await expect(
+      finder.findPyPyVersion('pypy3.7-v7.3.x', architecture)
+    ).rejects.toThrow();
+  });
+
+  it('found and install successfully', 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)
+    ).resolves.toEqual({
+      resolvedPythonVersion: '3.7.9',
+      resolvedPyPyVersion: '7.3.3'
+    });
+  });
+
+  it('throw if release is not found', async () => {
+    await expect(
+      finder.findPyPyVersion('pypy-3.7-v7.5.x', architecture)
+    ).rejects.toThrowError(
+      `PyPy version 3.7 (v7.5.x) with arch ${architecture} not found`
+    );
+  });
+});

__tests__/finder.test.ts

@@ -18,33 +18,73 @@ const tempDir = path.join(
 process.env['RUNNER_TOOL_CACHE'] = toolDir;
 process.env['RUNNER_TEMP'] = tempDir;
 
+import * as tc from '@actions/tool-cache';
 import * as finder from '../src/find-python';
+import * as installer from '../src/install-python';
+
+const manifestData = require('./data/versions-manifest.json');
 
 describe('Finder tests', () => {
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+  });
+
   it('Finds Python if it is installed', async () => {
     const pythonDir: string = path.join(toolDir, 'Python', '3.0.0', 'x64');
     await io.mkdirP(pythonDir);
     fs.writeFileSync(`${pythonDir}.complete`, 'hello');
-    // This will throw if it doesn't find it in the cache (because no such version exists)
-    await finder.findPythonVersion('3.x', 'x64');
+    // This will throw if it doesn't find it in the cache and in the manifest (because no such version exists)
+    await finder.useCpythonVersion('3.x', 'x64');
+  });
+
+  it('Finds stable Python version if it is not installed, but exists in the manifest', async () => {
+    const findSpy: jest.SpyInstance = jest.spyOn(tc, 'getManifestFromRepo');
+    findSpy.mockImplementation(() => <tc.IToolRelease[]>manifestData);
+
+    const installSpy: jest.SpyInstance = jest.spyOn(
+      installer,
+      'installCpythonFromRelease'
+    );
+    installSpy.mockImplementation(async () => {
+      const pythonDir: string = path.join(toolDir, 'Python', '1.2.3', 'x64');
+      await io.mkdirP(pythonDir);
+      fs.writeFileSync(`${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('1.2.3', 'x64');
+  });
+
+  it('Finds pre-release Python version in the manifest', async () => {
+    const findSpy: jest.SpyInstance = jest.spyOn(tc, 'getManifestFromRepo');
+    findSpy.mockImplementation(() => <tc.IToolRelease[]>manifestData);
+
+    const installSpy: jest.SpyInstance = jest.spyOn(
+      installer,
+      'installCpythonFromRelease'
+    );
+    installSpy.mockImplementation(async () => {
+      const pythonDir: string = path.join(
+        toolDir,
+        'Python',
+        '1.2.3-beta.2',
+        'x64'
+      );
+      await io.mkdirP(pythonDir);
+      fs.writeFileSync(`${pythonDir}.complete`, 'hello');
+    });
+    // This will throw if it doesn't find it in the manifest (because no such version exists)
+    await finder.useCpythonVersion('1.2.3-beta.2', 'x64');
   });
 
   it('Errors if Python is not installed', async () => {
-    // This will throw if it doesn't find it in the cache (because no such version exists)
+    // 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');
     } catch {
       thrown = true;
     }
     expect(thrown).toBeTruthy();
   });
-
-  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__/install-pypy.test.ts

@@ -0,0 +1,230 @@
+import fs from 'fs';
+
+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 path from 'path';
+
+import * as installer from '../src/install-pypy';
+import {
+  IPyPyManifestRelease,
+  IPyPyManifestAsset,
+  IS_WINDOWS
+} from '../src/utils';
+
+const manifestData = require('./data/pypy.json');
+
+let architecture: string;
+if (IS_WINDOWS) {
+  architecture = 'x86';
+} else {
+  architecture = 'x64';
+}
+
+const toolDir = path.join(__dirname, 'runner', 'tools');
+const tempDir = path.join(__dirname, 'runner', 'temp');
+
+describe('pypyVersionToSemantic', () => {
+  it.each([
+    ['7.3.3rc1', '7.3.3-rc.1'],
+    ['7.3.3', '7.3.3'],
+    ['7.3.x', '7.3.x'],
+    ['7.x', '7.x'],
+    ['nightly', 'nightly']
+  ])('%s -> %s', (input, expected) => {
+    expect(installer.pypyVersionToSemantic(input)).toEqual(expected);
+  });
+});
+
+describe('findRelease', () => {
+  const result = JSON.stringify(manifestData);
+  const releases = JSON.parse(result) as IPyPyManifestRelease[];
+  const extension = IS_WINDOWS ? '.zip' : '.tar.bz2';
+  const extensionName = IS_WINDOWS
+    ? `${process.platform}${extension}`
+    : `${process.platform}64${extension}`;
+  const files: IPyPyManifestAsset = {
+    filename: `pypy3.6-v7.3.3-${extensionName}`,
+    arch: architecture,
+    platform: process.platform,
+    download_url: `https://test.download.python.org/pypy/pypy3.6-v7.3.3-${extensionName}`
+  };
+
+  it("Python version is found, but PyPy version doesn't match", () => {
+    const pythonVersion = '3.6';
+    const pypyVersion = '7.3.7';
+    expect(
+      installer.findRelease(releases, pythonVersion, pypyVersion, architecture)
+    ).toEqual(null);
+  });
+
+  it('Python version is found and PyPy version matches', () => {
+    const pythonVersion = '3.6';
+    const pypyVersion = '7.3.3';
+    expect(
+      installer.findRelease(releases, pythonVersion, pypyVersion, architecture)
+    ).toEqual({
+      foundAsset: files,
+      resolvedPythonVersion: '3.6.12',
+      resolvedPyPyVersion: pypyVersion
+    });
+  });
+
+  it('Python version is found in toolcache and PyPy version matches semver', () => {
+    const pythonVersion = '3.6';
+    const pypyVersion = '7.x';
+    expect(
+      installer.findRelease(releases, pythonVersion, pypyVersion, architecture)
+    ).toEqual({
+      foundAsset: files,
+      resolvedPythonVersion: '3.6.12',
+      resolvedPyPyVersion: '7.3.3'
+    });
+  });
+
+  it('Python and preview version of PyPy are found', () => {
+    const pythonVersion = '3.7';
+    const pypyVersion = installer.pypyVersionToSemantic('7.3.3rc2');
+    expect(
+      installer.findRelease(releases, pythonVersion, pypyVersion, architecture)
+    ).toEqual({
+      foundAsset: {
+        filename: `test${extension}`,
+        arch: architecture,
+        platform: process.platform,
+        download_url: `test${extension}`
+      },
+      resolvedPythonVersion: '3.7.7',
+      resolvedPyPyVersion: '7.3.3rc2'
+    });
+  });
+
+  it('Python version with latest PyPy is found', () => {
+    const pythonVersion = '3.6';
+    const pypyVersion = 'x';
+    expect(
+      installer.findRelease(releases, pythonVersion, pypyVersion, architecture)
+    ).toEqual({
+      foundAsset: files,
+      resolvedPythonVersion: '3.6.12',
+      resolvedPyPyVersion: '7.3.3'
+    });
+  });
+
+  it('Nightly release is found', () => {
+    const pythonVersion = '3.6';
+    const pypyVersion = 'nightly';
+    const filename = IS_WINDOWS ? 'filename.zip' : 'filename.tar.bz2';
+    expect(
+      installer.findRelease(releases, pythonVersion, pypyVersion, architecture)
+    ).toEqual({
+      foundAsset: {
+        filename: filename,
+        arch: architecture,
+        platform: process.platform,
+        download_url: `http://nightlyBuilds.org/${filename}`
+      },
+      resolvedPythonVersion: '3.6',
+      resolvedPyPyVersion: pypyVersion
+    });
+  });
+});
+
+describe('installPyPy', () => {
+  let tcFind: jest.SpyInstance;
+  let spyExtractZip: jest.SpyInstance;
+  let spyExtractTar: jest.SpyInstance;
+  let spyFsReadDir: jest.SpyInstance;
+  let spyFsWriteFile: jest.SpyInstance;
+  let spyHttpClient: jest.SpyInstance;
+  let spyExistsSync: jest.SpyInstance;
+  let spyExec: jest.SpyInstance;
+  let spySymlinkSync: jest.SpyInstance;
+  let spyDownloadTool: jest.SpyInstance;
+  let spyCacheDir: jest.SpyInstance;
+  let spyChmodSync: jest.SpyInstance;
+
+  beforeEach(() => {
+    tcFind = jest.spyOn(tc, 'find');
+    tcFind.mockImplementation(() => path.join('PyPy', '3.6.12', architecture));
+
+    spyDownloadTool = jest.spyOn(tc, 'downloadTool');
+    spyDownloadTool.mockImplementation(() => path.join(tempDir, 'PyPy'));
+
+    spyExtractZip = jest.spyOn(tc, 'extractZip');
+    spyExtractZip.mockImplementation(() => tempDir);
+
+    spyExtractTar = jest.spyOn(tc, 'extractTar');
+    spyExtractTar.mockImplementation(() => tempDir);
+
+    spyFsReadDir = jest.spyOn(fs, 'readdirSync');
+    spyFsReadDir.mockImplementation(() => ['PyPyTest']);
+
+    spyFsWriteFile = jest.spyOn(fs, 'writeFileSync');
+    spyFsWriteFile.mockImplementation(() => undefined);
+
+    spyHttpClient = jest.spyOn(HttpClient.prototype, 'getJson');
+    spyHttpClient.mockImplementation(
+      async (): Promise<ifm.ITypedResponse<IPyPyManifestRelease[]>> => {
+        const result = JSON.stringify(manifestData);
+        return {
+          statusCode: 200,
+          headers: {},
+          result: JSON.parse(result) as IPyPyManifestRelease[]
+        };
+      }
+    );
+
+    spyExec = jest.spyOn(exec, 'exec');
+    spyExec.mockImplementation(() => undefined);
+
+    spySymlinkSync = jest.spyOn(fs, 'symlinkSync');
+    spySymlinkSync.mockImplementation(() => undefined);
+
+    spyExistsSync = jest.spyOn(fs, 'existsSync');
+    spyExistsSync.mockImplementation(() => false);
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+    jest.restoreAllMocks();
+  });
+
+  it('throw if release is not found', async () => {
+    await expect(
+      installer.installPyPy('7.3.3', '3.6.17', architecture)
+    ).rejects.toThrowError(
+      `PyPy version 3.6.17 (7.3.3) with arch ${architecture} not found`
+    );
+
+    expect(spyHttpClient).toHaveBeenCalled();
+    expect(spyDownloadTool).not.toHaveBeenCalled();
+    expect(spyExec).not.toHaveBeenCalled();
+  });
+
+  it('found and install PyPy', async () => {
+    spyCacheDir = jest.spyOn(tc, 'cacheDir');
+    spyCacheDir.mockImplementation(() =>
+      path.join(toolDir, 'PyPy', '3.6.12', architecture)
+    );
+
+    spyChmodSync = jest.spyOn(fs, 'chmodSync');
+    spyChmodSync.mockImplementation(() => undefined);
+
+    await expect(
+      installer.installPyPy('7.3.x', '3.6.12', architecture)
+    ).resolves.toEqual({
+      installDir: path.join(toolDir, 'PyPy', '3.6.12', architecture),
+      resolvedPythonVersion: '3.6.12',
+      resolvedPyPyVersion: '7.3.3'
+    });
+
+    expect(spyHttpClient).toHaveBeenCalled();
+    expect(spyDownloadTool).toHaveBeenCalled();
+    expect(spyExistsSync).toHaveBeenCalled();
+    expect(spyCacheDir).toHaveBeenCalled();
+    expect(spyExec).toHaveBeenCalled();
+  });
+});

__tests__/utils.test.ts

@@ -0,0 +1,76 @@
+import * as cache from '@actions/cache';
+import * as core from '@actions/core';
+import {
+  validateVersion,
+  validatePythonVersionFormatForPyPy,
+  isCacheFeatureAvailable
+} from '../src/utils';
+
+jest.mock('@actions/cache');
+jest.mock('@actions/core');
+
+describe('validatePythonVersionFormatForPyPy', () => {
+  it.each([
+    ['3.6', true],
+    ['3.7', true],
+    ['3.6.x', false],
+    ['3.7.x', false],
+    ['3.x', false],
+    ['3', false]
+  ])('%s -> %s', (input, expected) => {
+    expect(validatePythonVersionFormatForPyPy(input)).toEqual(expected);
+  });
+});
+
+describe('validateVersion', () => {
+  it.each([
+    ['v7.3.3', true],
+    ['v7.3.x', true],
+    ['v7.x', true],
+    ['x', true],
+    ['v7.3.3-rc.1', true],
+    ['nightly', true],
+    ['v7.3.b', false],
+    ['3.6', true],
+    ['3.b', false],
+    ['3', true]
+  ])('%s -> %s', (input, expected) => {
+    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);
+  });
+});

__tests__/verify-python.py

@@ -0,0 +1,22 @@
+import sys
+argCount = len(sys.argv) - 1
+
+if argCount == 1:
+    expectedVersion = sys.argv[1]
+    versions = len(expectedVersion.split("."))
+    majorMinor = str(sys.version_info[0]) + '.' + str(sys.version_info[1])
+
+    if versions == 2:
+        # Test only major and minor version
+        if expectedVersion != majorMinor:
+            raise Exception("Incorrect major + minor version detected\nExpected: " + expectedVersion + "\nActual: " + majorMinor)
+    elif versions == 3:
+        # Test major, minor and micro version
+        majorMinorMicro = majorMinor + '.' + str(sys.version_info[2])
+        if expectedVersion != majorMinorMicro:
+            raise Exception("Incorrect major + minor + micro version detected\nExpected: " + expectedVersion + "\nActual: " + majorMinorMicro)
+    else: 
+        raise Exception("Incorrect number of arguments supplied")
+    print("Correct version of Python " + expectedVersion + " detected")
+else:
+    raise Exception("Incorrect number of arguments supplied")

action.yml

@@ -6,15 +6,26 @@ inputs:
   python-version:
     description: "Version range or exact version of a Python version to use, using SemVer's version range syntax."
     default: '3.x'
+  cache:
+    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.'
-    default: 'x64'
+  token:
+    description: Used to pull python distributions from actions/python-versions. Since there's a default, this is typically not supplied by the user.
+    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.'
 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'
 runs:
-  using: 'node12'
-  main: 'dist/index.js'
+  using: 'node16'
+  main: 'dist/setup/index.js'
+  post: 'dist/cache-save/index.js'
+  post-if: success()
 branding:
   icon: 'code'
   color: 'yellow'

docs/adrs/0000-caching-dependencies.md

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

docs/contributors.md

@@ -8,24 +8,30 @@
 
 ### NCC
 
-In order to avoid uploading `node_modules/` to the repository, we use [zeit/ncc](https://github.com/zeit/ncc) to create a single `index.js` file that gets saved in `dist/`.
+In order to avoid uploading `node_modules/` to the repository, we use [vercel/ncc](https://github.com/vercel/ncc) to create a single `index.js` file that gets saved in `dist/`.
 
 ### Developing
 
 If you're developing locally, you can run
-```
+
+```sh
 npm install
 tsc
-ncc build
+ncc build src/setup-python.ts
 ```
-Any files generated using `tsc` will be added to `lib/`, however those files also are not uploaded to the repository and are exluded using `.gitignore`.
 
-During the commit step, Husky will take care of formatting all files with [Prettier](https://github.com/prettier/prettier)
+Any files generated using `tsc` will be added to `lib/`, however those files also are not uploaded to the repository and are excluded using `.gitignore`.
+
+During the commit step, Husky will take care of formatting all files with [Prettier](https://github.com/prettier/prettier) (to run manually, use `npm run format`).
 
 ### Testing
 
 We ask that you include a link to a successful run that utilizes the changes you are working on. For example, if your changes are in the branch `newAwesomeFeature`, then show an example run that uses `setup-python@newAwesomeFeature` or `my-fork@newAwesomeFeature`. This will help speed up testing and help us confirm that there are no breaking changes or bugs.
 
+### Licensed
+
+This repository uses a tool called [Licensed](https://github.com/github/licensed) to verify third party dependencies. You may need to locally install licensed and run `licensed cache` to update the dependency cache if you install or update a production dependency. If licensed cache is unable to determine the dependency, you may need to modify the cache file yourself to put the correct license. You should still verify the dependency, licensed is a tool to help, but is not a substitute for human review of dependencies.
+
 ### Releases
 
 There is a `master` branch where contributor changes are merged into. There are also release branches such as `releases/v1` that are used for tagging (for example the `v1` tag) and publishing new versions of the action. Changes from `master` are periodically merged into a releases branch. You do not need to create any PR that merges changes from master into a releases branch.

package.json

@@ -1,14 +1,14 @@
 {
   "name": "setup-python",
-  "version": "1.0.0",
+  "version": "3.1.0",
   "private": true,
   "description": "Setup python action",
   "main": "dist/index.js",
   "scripts": {
-    "build": "tsc",
-    "format": "prettier --write **/*.ts",
-    "format-check": "prettier --check **/*.ts",
-    "release": "ncc build src/setup-python.ts && git add -f dist/",
+    "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"
   },
   "repository": {
@@ -23,22 +23,25 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.6",
+    "@actions/cache": "^2.0.2",
+    "@actions/core": "^1.2.3",
+    "@actions/exec": "^1.1.0",
+    "@actions/glob": "^0.2.0",
+    "@actions/io": "^1.0.2",
+    "@actions/tool-cache": "^1.5.5",
     "semver": "^7.1.3"
   },
   "devDependencies": {
-    "@actions/io": "^1.0.2",
-    "@actions/tool-cache": "^1.3.3",
-    "@types/jest": "^25.1.4",
-    "@types/node": "^12.12.31",
+    "@types/jest": "^27.0.2",
+    "@types/node": "^16.11.25",
     "@types/semver": "^7.1.0",
     "@zeit/ncc": "^0.22.0",
-    "husky": "^4.2.3",
-    "jest": "^25.1.0",
-    "jest-circus": "^25.1.0",
+    "husky": "^7.0.2",
+    "jest": "^27.2.5",
+    "jest-circus": "^27.2.5",
     "prettier": "^2.0.2",
-    "ts-jest": "^25.2.1",
-    "typescript": "^3.8.3"
+    "ts-jest": "^27.0.5",
+    "typescript": "^4.2.3"
   },
   "husky": {
     "skipCI": true,