Merge pull request #281 from patrick91/feature/poetry-caching

Add poetry caching support

.github/workflows/e2e-cache.yml

@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.8', '3.9', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.7-v7.x']
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python
@@ -39,7 +39,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.8', '3.9', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.7-v7.x']
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python
@@ -52,6 +52,28 @@ jobs:
       - name: Install dependencies
         run: pipenv install numpy
 
+  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@v2
+      - 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 }}
@@ -59,7 +81,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.8', '3.9', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.7-v7.x']
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python
@@ -78,7 +100,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.8', '3.9', 'pypy-3.7-v7.x']
+        python-version: ['3.9', 'pypy-3.7-v7.x']
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python

README.md

@@ -9,7 +9,7 @@ This action sets up a Python environment for use in actions by:
 - optionally installing and adding to PATH a version of Python that is already installed in the tools cache.
 - downloading, installing and adding to PATH an available version of Python from GitHub Releases ([actions/python-versions](https://github.com/actions/python-versions/releases)) if a specific version is not available in the tools cache.
 - failing if a specific version of Python is not preinstalled or available for download.
-- optionally caching dependencies for pip and pipenv.
+- optionally caching dependencies for pip, pipenv and poetry.
 - registering problem matchers for error output.
 
 # What's new
@@ -19,7 +19,7 @@ This action sets up a Python environment for use in actions by:
 - Automatic setup and download of Python packages if using a self-hosted runner.
 - Support for pre-release versions of Python.
 - Support for installing any version of PyPy on-flight
-- Support for built-in caching of pip and pipenv dependencies
+- Support for built-in caching of pip, pipenv and poetry dependencies
 
 # Usage
 
@@ -209,12 +209,13 @@ 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` and `pipenv`. The `cache` input is optional, and caching is turned off by default.
+The action has built-in functionality for caching and restoring dependencies. It uses [actions/cache](https://github.com/actions/toolkit/tree/main/packages/cache) under the hood for caching dependencies but requires less configuration settings. Supported package managers are `pip`, `pipenv` and `poetry`. The `cache` input is optional, and caching is turned off by default.
 
-The action defaults to searching for a dependency file (`requirements.txt` for pip or `Pipfile.lock` for pipenv) in the repository, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases where multiple dependency files are used, they are located in different subdirectories or different files for the hash want to be used.
+The action defaults to searching for a dependency file (`requirements.txt` for pip, `Pipfile.lock` for pipenv or `poetry.lock` for poetry) in the repository, and uses its hash as a part of the cache key. Use `cache-dependency-path` for cases where multiple dependency files are used, they are located in different subdirectories or different files for the hash want to be used.
 
  - For pip, the action will cache global cache directory
  - For pipenv, the action will cache virtualenv directory
+ - For poetry, the action will cache virtualenv directory
 
 **Please Note:** Restored cache will not be used if the requirements.txt file is not updated for a long time and a newer version of the dependency is available that can lead to an increase in total build time.
 
@@ -245,6 +246,20 @@ steps:
 - run: pipenv install
 ```
 
+**Caching poetry dependencies:**
+```yaml
+steps:
+- uses: actions/checkout@v2
+- name: Install poetry
+  run: pipx install poetry
+- uses: actions/setup-python@v2
+  with:
+    python-version: '3.9'
+    cache: 'poetry'
+- run: poetry install
+- run: poetry run pytest
+```
+
 **Using wildcard patterns to cache dependencies**
 ```yaml
 steps:

__tests__/cache-restore.test.ts

@@ -10,6 +10,16 @@ describe('restore-cache', () => {
     '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;
@@ -47,6 +57,9 @@ describe('restore-cache', () => {
       if (input.includes('pip')) {
         return {stdout: 'pip', stderr: '', exitCode: 0};
       }
+      if (input.includes('poetry')) {
+        return {stdout: poetryConfigOutput, stderr: '', exitCode: 0};
+      }
 
       return {stdout: '', stderr: 'Error occured', exitCode: 2};
     });
@@ -82,7 +95,8 @@ describe('restore-cache', () => {
       ],
       ['pip', '3.8.12', '__tests__/data/requirements.txt', requirementsHash],
       ['pipenv', '3.9.1', undefined, pipFileLockHash],
-      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash]
+      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash],
+      ['poetry', '3.9.1', undefined, poetryLockHash]
     ])(
       'restored dependencies for %s by primaryKey',
       async (packageManager, pythonVersion, dependencyFile, fileHash) => {
@@ -138,7 +152,8 @@ describe('restore-cache', () => {
       ],
       ['pip', '3.8.12', '__tests__/data/requirements.txt', pipFileLockHash],
       ['pipenv', '3.9.1', undefined, requirementsHash],
-      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash]
+      ['pipenv', '3.9.12', '__tests__/data/requirements.txt', requirementsHash],
+      ['poetry', '3.9.1', undefined, requirementsHash]
     ])(
       'restored dependencies for %s by primaryKey',
       async (packageManager, pythonVersion, dependencyFile, fileHash) => {
@@ -154,10 +169,17 @@ describe('restore-cache', () => {
         );
         await cacheDistributor.restoreCache();
         let result = '';
-        if (packageManager !== 'pipenv') {
+
+        switch (packageManager) {
+          case 'pip':
             result = `Cache restored from key: ${fileHash}`;
-        } else {
+            break;
+          case 'pipenv':
             result = 'pipenv cache is not found';
+            break;
+          case 'poetry':
+            result = 'poetry cache is not found';
+            break;
         }
 
         expect(infoSpy).toHaveBeenCalledWith(result);

__tests__/cache-save.test.ts

@@ -11,6 +11,8 @@ describe('run', () => {
     'd8110e0006d7fb5ee76365d565eef9d37df1d11598b912d3eb66d398d57a1121';
   const requirementsLinuxHash =
     '2d0ff7f46b0e120e3d3294db65768b474934242637b9899b873e6283dfd16d7c';
+  const poetryLockHash =
+    '571bf984f8d210e6a97f854e479fdd4a2b5af67b5fdac109ec337a0ea16e7836';
 
   // core spy
   let infoSpy: jest.SpyInstance;
@@ -114,6 +116,22 @@ describe('run', () => {
       );
       expect(setFailedSpy).not.toHaveBeenCalled();
     });
+
+    it('should not save cache for pipenv', async () => {
+      inputs['cache'] = 'pipenv';
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(debugSpy).toHaveBeenCalledWith(
+        `paths for caching are ${__dirname}`
+      );
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${requirementsHash}, not saving cache.`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
   });
 
   describe('action saves the cache', () => {
@@ -168,6 +186,32 @@ describe('run', () => {
       );
       expect(setFailedSpy).not.toHaveBeenCalled();
     });
+
+    it('saves cache from poetry', async () => {
+      inputs['cache'] = 'poetry';
+      getStateSpy.mockImplementation((name: string) => {
+        if (name === State.CACHE_MATCHED_KEY) {
+          return poetryLockHash;
+        } else if (name === State.CACHE_PATHS) {
+          return JSON.stringify([__dirname]);
+        } else {
+          return requirementsHash;
+        }
+      });
+
+      await run();
+
+      expect(getInputSpy).toHaveBeenCalled();
+      expect(getStateSpy).toHaveBeenCalledTimes(3);
+      expect(infoSpy).not.toHaveBeenCalledWith(
+        `Cache hit occurred on the primary key ${poetryLockHash}, not saving cache.`
+      );
+      expect(saveCacheSpy).toHaveBeenCalled();
+      expect(infoSpy).toHaveBeenLastCalledWith(
+        `Cache saved with the key: ${requirementsHash}`
+      );
+      expect(setFailedSpy).not.toHaveBeenCalled();
+    });
   });
 
   afterEach(() => {

__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)"]
+secure = ["certifi", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "pyOpenSSL (>=0.14)", "ipaddress"]
+socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
+
+[[package]]
+name = "xlrd"
+version = "1.2.0"
+description = "Library for developers to extract data from Microsoft Excel (tm) spreadsheet files"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[metadata]
+lock-version = "1.1"
+python-versions = "^3.8"
+content-hash = "b3d607363c6daf2b5448aa5ee676cff28606af6200d8e9b42e89937a190a3d46"
+
+[metadata.files]
+altgraph = [
+    {file = "altgraph-0.17.2-py2.py3-none-any.whl", hash = "sha256:743628f2ac6a7c26f5d9223c91ed8ecbba535f506f4b6f558885a8a56a105857"},
+    {file = "altgraph-0.17.2.tar.gz", hash = "sha256:ebf2269361b47d97b3b88e696439f6e4cbc607c17c51feb1754f90fb79839158"},
+]
+certifi = [
+    {file = "certifi-2020.6.20-py2.py3-none-any.whl", hash = "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"},
+    {file = "certifi-2020.6.20.tar.gz", hash = "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3"},
+]
+chardet = [
+    {file = "chardet-3.0.4-py2.py3-none-any.whl", hash = "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"},
+    {file = "chardet-3.0.4.tar.gz", hash = "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"},
+]
+dis3 = [
+    {file = "dis3-0.1.3-py2-none-any.whl", hash = "sha256:61f7720dd0d8749d23fda3d7227ce74d73da11c2fade993a67ab2f9852451b14"},
+    {file = "dis3-0.1.3-py3-none-any.whl", hash = "sha256:30b6412d33d738663e8ded781b138f4b01116437f0872aa56aa3adba6aeff218"},
+    {file = "dis3-0.1.3.tar.gz", hash = "sha256:9259b881fc1df02ed12ac25f82d4a85b44241854330b1a651e40e0c675cb2d1e"},
+]
+docutils = [
+    {file = "docutils-0.16-py2.py3-none-any.whl", hash = "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af"},
+    {file = "docutils-0.16.tar.gz", hash = "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"},
+]
+future = [
+    {file = "future-0.18.2.tar.gz", hash = "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"},
+]
+idna = [
+    {file = "idna-2.9-py2.py3-none-any.whl", hash = "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"},
+    {file = "idna-2.9.tar.gz", hash = "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb"},
+]
+itsdangerous = [
+    {file = "itsdangerous-1.1.0-py2.py3-none-any.whl", hash = "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"},
+    {file = "itsdangerous-1.1.0.tar.gz", hash = "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19"},
+]
+kivy = [
+    {file = "Kivy-1.11.1-cp27-cp27m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl", hash = "sha256:11e85eaf6efbfa2362a3334ffdad179a1b0ca8d255cca79eaa6a2765560d4982"},
+    {file = "Kivy-1.11.1-cp27-cp27m-win32.whl", hash = "sha256:5c3d0f2749522d62e9cce09cd54b2d823bf1b6b644ff1f627be49de6f3e3cba0"},
+    {file = "Kivy-1.11.1-cp27-cp27m-win_amd64.whl", hash = "sha256:f835462dd9aa491272552ef079b948a088598e2e95d68bb1d885d2c3f3d4e2c3"},
+    {file = "Kivy-1.11.1-cp35-cp35m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl", hash = "sha256:090d3ded9835a17477cd93fbdaf0a7c42ff2218981cf198ded5ad8795bc74391"},
+    {file = "Kivy-1.11.1-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:b85ccf165050cbf2ee8447671eebbc222b369b40f0e0038dd9547d49a5e37373"},
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action.yml

@@ -7,7 +7,7 @@ inputs:
     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.'
+    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.'

dist/setup/index.js

@@ -38756,7 +38756,100 @@ exports.setLogLevel = setLogLevel;
 /* 495 */,
 /* 496 */,
 /* 497 */,
-/* 498 */,
+/* 498 */
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const glob = __importStar(__webpack_require__(281));
+const path = __importStar(__webpack_require__(622));
+const exec = __importStar(__webpack_require__(986));
+const cache_distributor_1 = __importDefault(__webpack_require__(435));
+class PoetryCache extends cache_distributor_1.default {
+    constructor(pythonVersion, patterns = '**/poetry.lock') {
+        super('poetry', patterns);
+        this.pythonVersion = pythonVersion;
+        this.patterns = patterns;
+    }
+    getCacheGlobalDirectories() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const poetryConfig = yield this.getPoetryConfiguration();
+            const cacheDir = poetryConfig['cache-dir'];
+            const virtualenvsPath = poetryConfig['virtualenvs.path'].replace('{cache-dir}', cacheDir);
+            const paths = [virtualenvsPath];
+            if (poetryConfig['virtualenvs.in-project'] === true) {
+                paths.push(path.join(process.cwd(), '.venv'));
+            }
+            return paths;
+        });
+    }
+    computeKeys() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const hash = yield glob.hashFiles(this.patterns);
+            const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${this.pythonVersion}-${this.packageManager}-${hash}`;
+            const restoreKey = undefined;
+            return {
+                primaryKey,
+                restoreKey
+            };
+        });
+    }
+    getPoetryConfiguration() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const { stdout, stderr, exitCode } = yield exec.getExecOutput('poetry', [
+                'config',
+                '--list'
+            ]);
+            if (exitCode && stderr) {
+                throw new Error('Could not get cache folder path for poetry package manager');
+            }
+            const lines = stdout.trim().split('\n');
+            const config = {};
+            for (let line of lines) {
+                line = line.replace(/#.*$/, '');
+                const [key, value] = line.split('=').map(part => part.trim());
+                config[key] = JSON.parse(value);
+            }
+            return config;
+        });
+    }
+}
+exports.default = PoetryCache;
+
+
+/***/ }),
 /* 499 */
 /***/ (function(module, __unusedexports, __webpack_require__) {
 
@@ -44017,10 +44110,12 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.getCacheDistributor = exports.PackageManagers = void 0;
 const pip_cache_1 = __importDefault(__webpack_require__(394));
 const pipenv_cache_1 = __importDefault(__webpack_require__(235));
+const poetry_cache_1 = __importDefault(__webpack_require__(498));
 var PackageManagers;
 (function (PackageManagers) {
     PackageManagers["Pip"] = "pip";
     PackageManagers["Pipenv"] = "pipenv";
+    PackageManagers["Poetry"] = "poetry";
 })(PackageManagers = exports.PackageManagers || (exports.PackageManagers = {}));
 function getCacheDistributor(packageManager, pythonVersion, cacheDependencyPath) {
     switch (packageManager) {
@@ -44028,6 +44123,8 @@ function getCacheDistributor(packageManager, pythonVersion, cacheDependencyPath)
             return new pip_cache_1.default(pythonVersion, cacheDependencyPath);
         case PackageManagers.Pipenv:
             return new pipenv_cache_1.default(pythonVersion, cacheDependencyPath);
+        case PackageManagers.Poetry:
+            return new poetry_cache_1.default(pythonVersion, cacheDependencyPath);
         default:
             throw new Error(`Caching for '${packageManager}' is not supported`);
     }

src/cache-distributions/cache-factory.ts

@@ -1,9 +1,11 @@
 import PipCache from './pip-cache';
 import PipenvCache from './pipenv-cache';
+import PoetryCache from './poetry-cache';
 
 export enum PackageManagers {
   Pip = 'pip',
-  Pipenv = 'pipenv'
+  Pipenv = 'pipenv',
+  Poetry = 'poetry'
 }
 
 export function getCacheDistributor(
@@ -16,6 +18,8 @@ export function getCacheDistributor(
       return new PipCache(pythonVersion, cacheDependencyPath);
     case PackageManagers.Pipenv:
       return new PipenvCache(pythonVersion, cacheDependencyPath);
+    case PackageManagers.Poetry:
+      return new PoetryCache(pythonVersion, cacheDependencyPath);
     default:
       throw new Error(`Caching for '${packageManager}' is not supported`);
   }

src/cache-distributions/poetry-cache.ts

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