Do not expect GITHUB_TOKEN to be set or valid (#262)

This fixes issues with GHES

Fixes: #221

.github/workflows/release-drafter.yml

@@ -14,6 +14,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 🚀 Run Release Drafter
-        uses: release-drafter/release-drafter@v6.0.0
+        uses: release-drafter/release-drafter@v6.1.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test-cache.yml

@@ -11,6 +11,54 @@ concurrency:
 
 jobs:
   test-setup-cache:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        enable-cache: [ "true", "false", "auto" ]
+        os: ["ubuntu-latest", "selfhosted-ubuntu-arm64"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup with cache
+        uses: ./
+        with:
+          enable-cache: ${{ matrix.enable-cache }}
+          cache-suffix: ${{ github.run_id }}-${{ github.run_attempt }}-test-setup-cache-${{ matrix.os }}-${{ matrix.enable-cache }}
+      - run: uv sync
+        working-directory: __tests__/fixtures/uv-project
+  test-restore-cache:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        enable-cache: [ "true", "false", "auto" ]
+        os: [ "ubuntu-latest", "selfhosted-ubuntu-arm64" ]
+    needs: test-setup-cache
+    steps:
+      - uses: actions/checkout@v4
+      - name: Restore with cache
+        id: restore
+        uses: ./
+        with:
+          enable-cache: ${{ matrix.enable-cache }}
+          cache-suffix: ${{ github.run_id }}-${{ github.run_attempt }}-test-setup-cache-${{ matrix.os }}-${{ matrix.enable-cache }}
+      - name: Cache was hit
+        if: ${{ matrix.enable-cache == 'true' || (matrix.enable-cache == 'auto' && matrix.os == 'ubuntu-latest') }}
+        run: |
+          if [ "$CACHE_HIT" != "true" ]; then
+            exit 1
+          fi
+        env:
+          CACHE_HIT: ${{ steps.restore.outputs.cache-hit }}
+      - name: Cache was not hit
+        if: ${{ matrix.enable-cache == 'false' || (matrix.enable-cache == 'auto' && matrix.os == 'selfhosted-ubuntu-arm64') }}
+        run: |
+          if [ "$CACHE_HIT" == "true" ]; then
+            exit 1
+          fi
+        env:
+          CACHE_HIT: ${{ steps.restore.outputs.cache-hit }}
+      - run: uv sync
+        working-directory: __tests__/fixtures/uv-project
+  test-setup-cache-requirements-txt:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -18,10 +66,12 @@ jobs:
         uses: ./
         with:
           enable-cache: true
-          cache-suffix: ${{ github.run_id }}-${{ github.run_attempt }}-test-setup-cache
-      - run: uv sync
-        working-directory: __tests__/fixtures/uv-project
-  test-restore-cache:
+          cache-suffix: ${{ github.run_id }}-${{ github.run_attempt }}-test-setup-cache-requirements-txt
+      - run: |
+          uv venv
+          uv pip install -r requirements.txt
+        working-directory: __tests__/fixtures/requirements-txt-project
+  test-restore-cache-requirements-txt:
     runs-on: ubuntu-latest
     needs: test-setup-cache
     steps:
@@ -31,7 +81,7 @@ jobs:
         uses: ./
         with:
           enable-cache: true
-          cache-suffix: ${{ github.run_id }}-${{ github.run_attempt }}-test-setup-cache
+          cache-suffix: ${{ github.run_id }}-${{ github.run_attempt }}-test-setup-cache-requirements-txt
       - name: Cache was hit
         run: |
           if [ "$CACHE_HIT" != "true" ]; then
@@ -39,8 +89,10 @@ jobs:
           fi
         env:
           CACHE_HIT: ${{ steps.restore.outputs.cache-hit }}
-      - run: uv sync
-        working-directory: __tests__/fixtures/uv-project
+      - run: |
+          uv venv
+          uv pip install -r requirements.txt
+        working-directory: __tests__/fixtures/requirements-txt-project
 
   test-setup-cache-dependency-glob:
     runs-on: ubuntu-latest
@@ -162,3 +214,16 @@ jobs:
       - name: Remove cache dependency glob file
         run: rm -f ~/uv-cache.glob
         shell: bash
+
+  test-no-python-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Fake pyproject.toml at root
+        run: cp __tests__/fixtures/old-python-constraint-project/pyproject.toml pyproject.toml
+      - name: Setup with cache
+        uses: ./
+        with:
+          enable-cache: true
+      - run: uv sync
+        working-directory: __tests__/fixtures/old-python-constraint-project

.github/workflows/test.yml

@@ -64,6 +64,39 @@ jobs:
           fi
         env:
           UV_VERSION: ${{ steps.setup-uv.outputs.uv-version }}
+  test-pyproject-file-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install version 0.5.14
+        id: setup-uv
+        uses: ./
+        with:
+          pyproject-file: "__tests__/fixtures/pyproject-toml-project/pyproject.toml"
+      - name: Correct version gets installed
+        run: |
+          if [ "$UV_VERSION" != "0.5.14" ]; then
+            exit 1
+          fi
+        env:
+          UV_VERSION: ${{ steps.setup-uv.outputs.uv-version }}
+  test-uv-file-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install version 0.5.15
+        id: setup-uv
+        uses: ./
+        with:
+          pyproject-file: "__tests__/fixtures/uv-toml-project/pyproject.toml"
+          uv-file: "__tests__/fixtures/uv-toml-project/uv.toml"
+      - name: Correct version gets installed
+        run: |
+          if [ "$UV_VERSION" != "0.5.15" ]; then
+            exit 1
+          fi
+        env:
+          UV_VERSION: ${{ steps.setup-uv.outputs.uv-version }}
   test-checksum:
     runs-on: ${{ matrix.os }}
     strategy:
@@ -84,6 +117,8 @@ jobs:
         with:
           version: "0.3.2"
           checksum: ${{ matrix.checksum }}
+      - run: uv sync
+        working-directory: __tests__/fixtures/uv-project
   test-with-explicit-token:
     runs-on: ubuntu-latest
     steps:
@@ -118,7 +153,6 @@ jobs:
         uses: ./
       - run: uv tool install ruff
       - run: ruff --version
-
   test-tilde-expansion-tool-dirs:
     runs-on: selfhosted-ubuntu-arm64
     steps:
@@ -138,4 +172,43 @@ jobs:
               echo "UV_TOOL_DIR does not contain /home/ubuntu/tool-dir: $UV_TOOL_DIR"
               exit 1
           fi
+  test-python-version:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install latest version
+        uses: ./
+        with:
+          python-version: 3.13.1t
+      - name: Verify UV_PYTHON is set to correct version
+        run: |
+          echo "$UV_PYTHON"
+          if [ "$UV_PYTHON" != "3.13.1t" ]; then
+            exit 1
+          fi
+        shell: bash
+      - name: Verify packages can be installed
+        run: uv pip install --python=3.13.1t pip
+        shell: bash
+      - name: Verify python version is correct
+        run: |
+          python --version
+          if [ "$(python --version)" != "Python 3.13.1" ]; then
+            exit 1
+          fi
+        shell: bash
 
+  test-malformed-pyproject-file-fallback:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install using malformed pyproject.toml
+        id: setup-uv
+        uses: ./
+        with:
+          pyproject-file: "__tests__/fixtures/malformed-pyproject-toml-project/pyproject.toml"
+      - run: uv sync
+        working-directory: __tests__/fixtures/uv-project

.github/workflows/update-known-checksums.yml

@@ -17,7 +17,7 @@ jobs:
           src/download/checksum/known-checksums.ts ${{ secrets.GITHUB_TOKEN }}
       - run: npm install && npm run all
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@5e914681df9dc83aa4e4905692ca88beb2f9e91f # v7.0.5
+        uses: peter-evans/create-pull-request@67ccf781d68cd99b580ae25a5c18a1cc84ffff1f # v7.0.6
         with:
           commit-message: "chore: update known checksums"
           title:

README.md

@@ -11,9 +11,11 @@ Set up your GitHub Actions workflow with a specific version of [uv](https://docs
 ## Contents
 
 - [Usage](#usage)
-  - [Install the latest version (default)](#install-the-latest-version-default)
+  - [Install a required-version or latest (default)](#install-a-required-version-or-latest-default)
+  - [Install the latest version](#install-the-latest-version)
   - [Install a specific version](#install-a-specific-version)
   - [Install a version by supplying a semver range](#install-a-version-by-supplying-a-semver-range)
+  - [Install a required-version](#install-a-required-version)
   - [Python version](#python-version)
   - [Validate checksum](#validate-checksum)
   - [Enable Caching](#enable-caching)
@@ -30,29 +32,33 @@ Set up your GitHub Actions workflow with a specific version of [uv](https://docs
 
 ## Usage
 
-### Install the latest version (default)
+### Install a required-version or latest (default)
 
 ```yaml
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v4
-  with:
-    version: "latest"
+  uses: astral-sh/setup-uv@v5
 ```
 
+If you do not specify a version, this action will look for a [required-version](https://docs.astral.sh/uv/reference/settings/#required-version)
+in a `uv.toml` or `pyproject.toml` file in the repository root. If none is found, the latest version will be installed.
+
 For an example workflow, see
 [here](https://github.com/charliermarsh/autobot/blob/e42c66659bf97b90ca9ff305a19cc99952d0d43f/.github/workflows/ci.yaml).
 
-> [!TIP]
->
-> Using `latest` requires to download the uv executable on every run, which incurs a cost
-> (especially on self-hosted runners). As a best practice, consider pinning the version to a
-> specific release.
+### Install the latest version
+
+```yaml
+- name: Install the latest version of uv
+  uses: astral-sh/setup-uv@v5
+  with:
+    version: "latest"
+```
 
 ### Install a specific version
 
 ```yaml
 - name: Install a specific version of uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     version: "0.4.4"
 ```
@@ -64,29 +70,53 @@ to install the latest version that satisfies the range.
 
 ```yaml
 - name: Install a semver range of uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     version: ">=0.4.0"
 ```
 
 ```yaml
 - name: Pinning a minor version of uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     version: "0.4.x"
 ```
 
+### Install a required-version
+
+You can specify a [required-version](https://docs.astral.sh/uv/reference/settings/#required-version)
+in either a `uv.toml` or `pyproject.toml` file:
+
+```yaml
+- name: Install required-version defined in uv.toml
+  uses: astral-sh/setup-uv@v5
+  with:
+    uv-file: "path/to/uv.toml"
+```
+
+```yaml
+- name: Install required-version defined in pyproject.toml
+  uses: astral-sh/setup-uv@v5
+  with:
+    pyproject-file: "path/to/pyproject.toml"
+```
+
 ### Python version
 
-You can use the input `python-version` to set the environment variable `UV_PYTHON` for the rest
-of your workflow.
+You can use the input `python-version` to
+
+- set the environment variable `UV_PYTHON` for the rest of your workflow
+- create a new virtual environment with the specified python version
+- activate the virtual environment for the rest of your workflow
+
 This will override any python version specifications in `pyproject.toml` and `.python-version`
 
 ```yaml
-- name: Install the latest version of uv and set the python version to 3.12
-  uses: astral-sh/setup-uv@v4
+- name: Install the latest version of uv and set the python version to 3.13t
+  uses: astral-sh/setup-uv@v5
   with:
-    python-version: "3.12"
+    python-version: 3.13t
+- run: uv pip install --python=3.13t pip
 ```
 
 You can combine this with a matrix to test multiple python versions:
@@ -101,7 +131,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install the latest version of uv and set the python version
-        uses: astral-sh/setup-uv@v4
+        uses: astral-sh/setup-uv@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Test with python ${{ matrix.python-version }}
@@ -116,7 +146,7 @@ are automatically verified by this action. The sha256 hashes can be found on the
 
 ```yaml
 - name: Install a specific version and validate the checksum
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     version: "0.3.1"
     checksum: "e11b01402ab645392c7ad6044db63d37e4fd1e745e015306993b07695ea5f9f8"
@@ -137,7 +167,7 @@ You can optionally define a custom cache key suffix.
 ```yaml
 - name: Enable caching and define a custom cache key suffix
   id: setup-uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
     cache-suffix: "optional-suffix"
@@ -160,19 +190,24 @@ changes. If you use relative paths, they are relative to the repository root.
 
 > [!NOTE]
 >
-> The default is `**/uv.lock`.
+> The default is
+> ```yaml
+> cache-dependency-glob: |
+>   **/requirements*.txt
+>   **/uv.lock
+> ```
 
 ```yaml
 - name: Define a cache dependency glob
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
-    cache-dependency-glob: "**/requirements*.txt"
+    cache-dependency-glob: "**/pyproject.toml"
 ```
 
 ```yaml
 - name: Define a list of cache dependency globs
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
     cache-dependency-glob: |
@@ -182,7 +217,7 @@ changes. If you use relative paths, they are relative to the repository root.
 
 ```yaml
 - name: Define an absolute cache dependency glob
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
     cache-dependency-glob: "/tmp/my-folder/requirements*.txt"
@@ -190,7 +225,7 @@ changes. If you use relative paths, they are relative to the repository root.
 
 ```yaml
 - name: Never invalidate the cache
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
     cache-dependency-glob: ""
@@ -205,7 +240,7 @@ It defaults to `setup-uv-cache` in the `TMP` dir, `D:\a\_temp\uv-tool-dir` on Wi
 
 ```yaml
 - name: Define a custom uv cache path
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     cache-local-path: "/path/to/cache"
 ```
@@ -224,7 +259,7 @@ input.
 
 ```yaml
 - name: Don't prune the cache before saving it
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
     prune-cache: false
@@ -237,7 +272,7 @@ If you want to ignore this, set the `ignore-nothing-to-cache` input to `true`.
 
 ```yaml
 - name: Ignore nothing to cache
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
     ignore-nothing-to-cache: true
@@ -255,7 +290,7 @@ are not sufficient, you can provide a custom GitHub token with the necessary per
 
 ```yaml
 - name: Install the latest version of uv with a custom GitHub token
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     github-token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
 ```
@@ -273,7 +308,7 @@ input:
 
 ```yaml
 - name: Install the latest version of uv with a custom tool dir
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     tool-dir: "/path/to/tool/dir"
 ```
@@ -292,7 +327,7 @@ If you want to change this behaviour (especially on self-hosted runners) you can
 
 ```yaml
 - name: Install the latest version of uv with a custom tool bin dir
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     tool-bin-dir: "/path/to/tool-bin/dir"
 ```
@@ -308,7 +343,7 @@ This action supports expanding the `~` character to the user's home directory fo
 
 ```yaml
 - name: Expand the tilde character
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     cache-local-path: "~/path/to/cache"
     tool-dir: "~/path/to/tool/dir"
@@ -330,21 +365,22 @@ by name (`uv`).
 
 ### Do I still need `actions/setup-python` alongside `setup-uv`?
 
-No. This action is modelled as a drop-in replacement for `actions/setup-python` when using uv. With
-`setup-uv`, you can install a specific version of Python using `uv python install` rather than
+With `setup-uv`, you can install a specific version of Python using `uv python install` rather than
 relying on `actions/setup-python`.
 
+Using `actions/setup-python` can be faster, because GitHub caches the Python versions alongside the runner.
+
 For example:
 
 ```yaml
 - name: Checkout the repository
   uses: actions/checkout@main
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
 - name: Test
-  run: uv run --frozen pytest
+  run: uv run --frozen pytest  # Uses the Python version automatically installed by uv
 ```
 
 To install a specific version of Python, use
@@ -352,7 +388,7 @@ To install a specific version of Python, use
 
 ```yaml
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
   with:
     enable-cache: true
 - name: Install Python 3.12
@@ -371,7 +407,7 @@ output:
   uses: actions/checkout@main
 - name: Install the default version of uv
   id: setup-uv
-  uses: astral-sh/setup-uv@v4
+  uses: astral-sh/setup-uv@v5
 - name: Print the installed version
   run: echo "Installed uv version is ${{ steps.setup-uv.outputs.uv-version }}"
 ```

__tests__/fixtures/malformed-pyproject-toml-project/.python-version

@@ -0,0 +1 @@
+3.11

__tests__/fixtures/malformed-pyproject-toml-project/hello.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from malformed-pyproject-toml-project!")
+
+
+if __name__ == "__main__":
+    main()

__tests__/fixtures/malformed-pyproject-toml-project/pyproject.toml

@@ -0,0 +1,9 @@
+[project]
+name = "malformed-pyproject-toml-project"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = []
+
+[malformed-toml

__tests__/fixtures/old-python-constraint-project/pyproject.toml

@@ -0,0 +1,13 @@
+[project]
+name = "old-python-constraint-project"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.8,<=3.9"
+dependencies = [
+    "ruff>=0.6.2",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"

__tests__/fixtures/old-python-constraint-project/src/old_python_constraint_project/__init__.py

@@ -0,0 +1,2 @@
+def hello() -> str:
+    return "Hello from uv-project!"

__tests__/fixtures/old-python-constraint-project/uv.lock

@@ -0,0 +1,38 @@
+version = 1
+requires-python = ">=3.12"
+
+[[package]]
+name = "ruff"
+version = "0.6.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/23/f4/279d044f66b79261fd37df76bf72b64471afab5d3b7906a01499c4451910/ruff-0.6.2.tar.gz", hash = "sha256:239ee6beb9e91feb8e0ec384204a763f36cb53fb895a1a364618c6abb076b3be", size = 2460281 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/72/4b/47dd7a69287afb4069fa42c198e899463605460a58120196711bfcf0446b/ruff-0.6.2-py3-none-linux_armv6l.whl", hash = "sha256:5c8cbc6252deb3ea840ad6a20b0f8583caab0c5ef4f9cca21adc5a92b8f79f3c", size = 9695871 },
+    { url = "https://files.pythonhosted.org/packages/ae/c3/8aac62ac4638c14a740ee76a755a925f2d0d04580ab790a9887accb729f6/ruff-0.6.2-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:17002fe241e76544448a8e1e6118abecbe8cd10cf68fde635dad480dba594570", size = 9459354 },
+    { url = "https://files.pythonhosted.org/packages/2f/cf/77fbd8d4617b9b9c503f9bffb8552c4e3ea1a58dc36975e7a9104ffb0f85/ruff-0.6.2-py3-none-macosx_11_0_arm64.whl", hash = "sha256:3dbeac76ed13456f8158b8f4fe087bf87882e645c8e8b606dd17b0b66c2c1158", size = 9163871 },
+    { url = "https://files.pythonhosted.org/packages/05/1c/765192bab32b79efbb498b06f0b9dcb3629112b53b8777ae1d19b8209e09/ruff-0.6.2-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:094600ee88cda325988d3f54e3588c46de5c18dae09d683ace278b11f9d4d534", size = 10096250 },
+    { url = "https://files.pythonhosted.org/packages/08/d0/86f3cb0f6934c99f759c232984a5204d67a26745cad2d9edff6248adf7d2/ruff-0.6.2-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:316d418fe258c036ba05fbf7dfc1f7d3d4096db63431546163b472285668132b", size = 9475376 },
+    { url = "https://files.pythonhosted.org/packages/cd/cc/4c8d0e225b559a3fae6092ec310d7150d3b02b4669e9223f783ef64d82c0/ruff-0.6.2-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:d72b8b3abf8a2d51b7b9944a41307d2f442558ccb3859bbd87e6ae9be1694a5d", size = 10295634 },
+    { url = "https://files.pythonhosted.org/packages/db/96/d2699cfb1bb5a01c68122af43454c76c31331e1c8a9bd97d653d7c82524b/ruff-0.6.2-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:2aed7e243be68487aa8982e91c6e260982d00da3f38955873aecd5a9204b1d66", size = 11024941 },
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+    { url = "https://files.pythonhosted.org/packages/56/91/577cdd64cce5e74d3f8b5ecb93f29566def569c741eb008aed4f331ef821/ruff-0.6.2-py3-none-win_arm64.whl", hash = "sha256:f28fcd2cd0e02bdf739297516d5643a945cc7caf09bd9bcb4d932540a5ea4fa9", size = 8225886 },
+]
+
+[[package]]
+name = "uv-project"
+version = "0.1.0"
+source = { editable = "." }
+dependencies = [
+    { name = "ruff" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "ruff" }]

__tests__/fixtures/pyproject-toml-project/.python-version

@@ -0,0 +1 @@
+3.11

__tests__/fixtures/pyproject-toml-project/hello.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from pyproject-toml-project!")
+
+
+if __name__ == "__main__":
+    main()

__tests__/fixtures/pyproject-toml-project/pyproject.toml

@@ -0,0 +1,19 @@
+[project]
+name = "pyproject-toml-project"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = []
+
+[dependency-groups]
+dev = [
+  "reuse==5.0.2",
+  {include-group = "lint"},
+]
+lint = [
+  "flake8==4.0.1",
+]
+
+[tool.uv]
+required-version = "==0.5.14"

__tests__/fixtures/requirements-txt-project/hello_world.py

@@ -0,0 +1 @@
+print("Hello world")

__tests__/fixtures/requirements-txt-project/requirements.txt

@@ -0,0 +1 @@
+ruff>=0.6.2

__tests__/fixtures/uv-toml-project/.python-version

@@ -0,0 +1 @@
+3.11

__tests__/fixtures/uv-toml-project/hello.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from uv-toml-project!")
+
+
+if __name__ == "__main__":
+    main()

__tests__/fixtures/uv-toml-project/pyproject.toml

@@ -0,0 +1,10 @@
+[project]
+name = "uv-toml-project"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = []
+
+[tool.uv]
+required-version = "==0.5.14"

__tests__/fixtures/uv-toml-project/uv.toml

@@ -0,0 +1 @@
+required-version = "==0.5.15"

action.yml

@@ -4,8 +4,14 @@ description:
 author: "astral-sh"
 inputs:
   version:
-    description: "The version of uv to install"
-    default: "latest"
+    description: "The version of uv to install e.g., `0.5.0` Defaults to the version in pyproject.toml or 'latest'."
+    default: ""
+  pyproject-file:
+    description: "Path to a pyproject.toml"
+    default: ""
+  uv-file:
+    description: "Path to a uv.toml"
+    default: ""
   python-version:
     description: "The version of Python to set UV_PYTHON to"
     required: false
@@ -14,18 +20,19 @@ inputs:
     required: false
   github-token:
     description:
-      "Used to increase the rate limit when retrieving versions and downloading
-      uv."
+      "Used to increase the rate limit when retrieving versions and downloading uv."
     required: false
     default: ${{ github.token }}
   enable-cache:
-    description: "Enable caching of the uv cache"
-    default: "false"
+    description: "Enable uploading of the uv cache"
+    default: "auto"
   cache-dependency-glob:
     description:
       "Glob pattern to match files relative to the repository root to control
       the cache."
-    default: "**/uv.lock"
+    default: |
+      **/uv.lock
+      **/requirements*.txt
   cache-suffix:
     description: "Suffix for the cache key"
     required: false

package.json

@@ -23,23 +23,25 @@
   "author": "@eifinger",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^3.3.0",
+    "@actions/cache": "^4.0.0",
     "@actions/core": "^1.11.1",
     "@actions/exec": "^1.1.1",
-    "@actions/github": "^6.0.0",
     "@actions/glob": "^0.5.0",
     "@actions/io": "^1.1.3",
-    "@actions/tool-cache": "^2.0.1",
-    "@octokit/rest": "^21.0.2"
+    "@actions/tool-cache": "^2.0.2",
+    "@octokit/core": "^6.1.3",
+    "@octokit/plugin-paginate-rest": "^11.4.0",
+    "@octokit/plugin-rest-endpoint-methods": "^13.3.0",
+    "smol-toml": "^1.3.1"
   },
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
-    "@types/node": "^22.9.1",
+    "@types/node": "^22.12.0",
     "@types/semver": "^7.5.8",
     "@vercel/ncc": "^0.38.3",
     "jest": "^29.7.0",
     "js-yaml": "^4.1.0",
     "ts-jest": "^29.2.5",
-    "typescript": "^5.6.3"
+    "typescript": "^5.7.3"
   }
 }

src/cache/restore-cache.ts

@@ -4,16 +4,18 @@ import {
   cacheDependencyGlob,
   cacheLocalPath,
   cacheSuffix,
+  pythonVersion as pythonVersionInput,
 } from "../utils/inputs";
 import { getArch, getPlatform } from "../utils/platforms";
 import { hashFiles } from "../hash/hash-files";
+import * as exec from "@actions/exec";
 
 export const STATE_CACHE_KEY = "cache-key";
 export const STATE_CACHE_MATCHED_KEY = "cache-matched-key";
 const CACHE_VERSION = "1";
 
-export async function restoreCache(version: string): Promise<void> {
-  const cacheKey = await computeKeys(version);
+export async function restoreCache(): Promise<void> {
+  const cacheKey = await computeKeys();
 
   let matchedKey: string | undefined;
   core.info(
@@ -33,7 +35,7 @@ export async function restoreCache(version: string): Promise<void> {
   handleMatchResult(matchedKey, cacheKey);
 }
 
-async function computeKeys(version: string): Promise<string> {
+async function computeKeys(): Promise<string> {
   let cacheDependencyPathHash = "-";
   if (cacheDependencyGlob !== "") {
     core.info(
@@ -41,15 +43,48 @@ async function computeKeys(version: string): Promise<string> {
     );
     cacheDependencyPathHash += await hashFiles(cacheDependencyGlob, true);
     if (cacheDependencyPathHash === "-") {
-      throw new Error(
-        `No file matched to [${cacheDependencyGlob.split("\n").join(",")}], make sure you have checked out the target repository`,
+      core.warning(
+        `No file matched to [${cacheDependencyGlob.split("\n").join(",")}]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`,
       );
     }
-  } else {
-    cacheDependencyPathHash += "no-dependency-glob";
+  }
+  if (cacheDependencyPathHash === "-") {
+    cacheDependencyPathHash = "-no-dependency-glob";
   }
   const suffix = cacheSuffix ? `-${cacheSuffix}` : "";
-  return `setup-uv-${CACHE_VERSION}-${getArch()}-${getPlatform()}-${version}${cacheDependencyPathHash}${suffix}`;
+  const pythonVersion = await getPythonVersion();
+  return `setup-uv-${CACHE_VERSION}-${getArch()}-${getPlatform()}-${pythonVersion}${cacheDependencyPathHash}${suffix}`;
+}
+
+async function getPythonVersion(): Promise<string> {
+  if (pythonVersionInput !== "") {
+    return pythonVersionInput;
+  }
+
+  let output = "";
+  const options: exec.ExecOptions = {
+    silent: !core.isDebug(),
+    listeners: {
+      stdout: (data: Buffer) => {
+        output += data.toString();
+      },
+    },
+  };
+
+  try {
+    const execArgs = ["python", "find"];
+    await exec.exec("uv", execArgs, options);
+    const pythonPath = output.trim();
+
+    output = "";
+    await exec.exec(pythonPath, ["--version"], options);
+    // output is like "Python 3.8.10"
+    return output.split(" ")[1].trim();
+  } catch (error) {
+    const err = error as Error;
+    core.debug(`Failed to get python version from uv. Error: ${err.message}`);
+    return "unknown";
+  }
 }
 
 function handleMatchResult(

src/download/checksum/known-checksums.ts

@@ -1,5 +1,651 @@
 // AUTOGENERATED_DO_NOT_EDIT
 export const KNOWN_CHECKSUMS: { [key: string]: string } = {
+  "aarch64-apple-darwin-0.5.25":
+    "3c29e941d691614bc4eba95629c8f8dee106e5d44d70a03efed66a544588caa1",
+  "aarch64-pc-windows-msvc-0.5.25":
+    "e3c4d014dc8aa14a36fab9316d9f435a93900893d7164472452c39037112b829",
+  "aarch64-unknown-linux-gnu-0.5.25":
+    "402342f9a5ff1544b41af368794ab436965a1a03109b43bd0dd552ce6af8256d",
+  "aarch64-unknown-linux-musl-0.5.25":
+    "6648d924f01ce01e4968e377c1f32a53592b55485a859f97421619d3a7dd7d86",
+  "arm-unknown-linux-musleabihf-0.5.25":
+    "45ed53c20c5852d9dba97deeceaa1cb8fdccdaec69952c0940329e27b3830e83",
+  "armv7-unknown-linux-gnueabihf-0.5.25":
+    "54bd4af03e93acdc7ac6546f62923a782fc871a20850356fa8870dd256a6c2e8",
+  "armv7-unknown-linux-musleabihf-0.5.25":
+    "f2adbe37fbe57540c39396d6d47878c86027eae91b442d609c2e97da2398dff5",
+  "i686-pc-windows-msvc-0.5.25":
+    "7f55c0e6ab90218d2646c3915b111378fc0ffd61308893d495ddc8e49f16ed36",
+  "i686-unknown-linux-gnu-0.5.25":
+    "8d71e66e4efcc1097e2beedd3572867eb7ea9b5cdac286c115a5118fcf5d2219",
+  "i686-unknown-linux-musl-0.5.25":
+    "406630b6b20bcef76069e08c5eaaa5420e190ae0036f4a85e2a14f3d7c610be6",
+  "powerpc64-unknown-linux-gnu-0.5.25":
+    "202aa6bc9e541bc322ad743f6afe334ef31dcb5c568f24cd5c963fa535538f20",
+  "powerpc64le-unknown-linux-gnu-0.5.25":
+    "7956759f6543ca7ed4e51ab7d68a2dca6d9e73d12a19afbe40d275f2384b8535",
+  "s390x-unknown-linux-gnu-0.5.25":
+    "b17eed40b701252cf6e02c64533bc741dfa6e05340da64cd9feef36afcfed897",
+  "x86_64-apple-darwin-0.5.25":
+    "f76e3fb259ec74b2e003ed7e47d1f06a431686381665fc03e2f35e2ee72e6a57",
+  "x86_64-pc-windows-msvc-0.5.25":
+    "51ea202a472e552c04e6a13ac7eece0d56748750b9726e4b94f4f3dc96b5f77f",
+  "x86_64-unknown-linux-gnu-0.5.25":
+    "fe04914881e2e01fe62001b223344a7c43af734faba447d4764fe92d3baf794e",
+  "x86_64-unknown-linux-musl-0.5.25":
+    "aeade1b8fa1fa3c021d30e8f1932fd2c24dca62217c7d6d9da740dde75b7e52f",
+  "aarch64-apple-darwin-0.5.24":
+    "8016d47f4cce265b3d122ad8cbbf701713caf803fa7d3ef69d8a1fd6793d939a",
+  "aarch64-unknown-linux-gnu-0.5.24":
+    "3cf910468c37c709580d83d19b7b55352cfe05d6e1cc038718698410b6b8c6f0",
+  "aarch64-unknown-linux-musl-0.5.24":
+    "aaae0b6fb17b3cafa9869292f4e03104b26fd0de4a36182a6edec44c1665f6a5",
+  "arm-unknown-linux-musleabihf-0.5.24":
+    "a11698237ff36b72d119467805c8630d5bfdf6132fe98d01f7c44451c783d450",
+  "armv7-unknown-linux-gnueabihf-0.5.24":
+    "e44001c955b7a2c3e53006a262bf74189f75bc2e6d63ac2e71638fb8eee20501",
+  "armv7-unknown-linux-musleabihf-0.5.24":
+    "8ca5c602c5a31a6c497abf10dd96694fb2bb9df362fdc604d156fa5044786379",
+  "i686-pc-windows-msvc-0.5.24":
+    "d2550254b96753214f9098a03091fa398d948c971738d50ff36113a3b27e391e",
+  "i686-unknown-linux-gnu-0.5.24":
+    "7b335c5736fa50aa3092f4212201ea7a65a15c6f40282a315861ec36bf64a41e",
+  "i686-unknown-linux-musl-0.5.24":
+    "6b7a8df65d15ad782ca17d82f79b4d7a235e85bf50411e3f7549878909b2a0bb",
+  "powerpc64-unknown-linux-gnu-0.5.24":
+    "22c2fb1971cd4ea77d78fc2c7c5574f5e4646525473d08d1b16a4389cda560a8",
+  "powerpc64le-unknown-linux-gnu-0.5.24":
+    "1e3cfaa0890d42f448bed7d6c7b66240abfe43130c6923b1d5fb7b0ebc302b94",
+  "s390x-unknown-linux-gnu-0.5.24":
+    "a3c8e92deb720dcbf7414d8d0bb91934016d0ace23c3dd452f49a1b92490e0bf",
+  "x86_64-apple-darwin-0.5.24":
+    "dcee10ef84309cf0de4153cb7913b0b506eae0a2e6407faa0f1717f015c35f0c",
+  "x86_64-pc-windows-msvc-0.5.24":
+    "bd3fedeee0da543d7ac0a530328b3880bc83c1b332b3996f0da691f83423e813",
+  "x86_64-unknown-linux-gnu-0.5.24":
+    "a0eb614f7fc38a6e14ef1c4819f1f187591db8e0d3c4218dae38b1bd663a00e2",
+  "x86_64-unknown-linux-musl-0.5.24":
+    "5a5a1231a3ecb4f01aab9c839a49764d9ea1ae8e5e467a0aa2a2754c94f9f81c",
+  "aarch64-apple-darwin-0.5.23":
+    "bedfc709b281ab4c6ff1c84c0ad7e4525bf2669f56f009f6fb308657bebe165b",
+  "aarch64-unknown-linux-gnu-0.5.23":
+    "0f864a958e88693b8102dd7bc0e543a6b6f56e514ba8798235e54fb95c4856a4",
+  "aarch64-unknown-linux-musl-0.5.23":
+    "bbfafc3623267d25f63713c934eb57bf521b8b14b94d18412c697d69dbd68251",
+  "arm-unknown-linux-musleabihf-0.5.23":
+    "3031d44ae02a6189182956de345c0e22c40b6a8f19bbe67ed7016df228da5cd6",
+  "armv7-unknown-linux-gnueabihf-0.5.23":
+    "48429f7f01e9bd6bfb80c2e97db878c05d7d1be1d10de432a33650c65c9d6172",
+  "armv7-unknown-linux-musleabihf-0.5.23":
+    "baa22c4e66f80eb1a900437b58966f529af70c89739b690096fa665d6324f540",
+  "i686-pc-windows-msvc-0.5.23":
+    "c9d6f5806666921a31f0a3ac88f9848884c67cd7348b0c0dd420c92ae40371ff",
+  "i686-unknown-linux-gnu-0.5.23":
+    "91bf1765b77010318d9666601d6ec41108f561a8be5d8a3a0b41c4fbd38c4bb1",
+  "i686-unknown-linux-musl-0.5.23":
+    "79093074197e76be9c7699ad361cf6fccc95dd8cea2b10ac2875acc658be55b3",
+  "powerpc64-unknown-linux-gnu-0.5.23":
+    "acce824961d78934ec9735bd9dac2a8b7f16e9638c6d909671690c43283bd644",
+  "powerpc64le-unknown-linux-gnu-0.5.23":
+    "678773a17cccfa5d8c8e7043e4ebbbaf48b3e1aa482dd334c36e06ba8ebe993e",
+  "s390x-unknown-linux-gnu-0.5.23":
+    "34700493c47fcf668ac175ab66c8fb6bdc058dfc56a3f868d34b6e5a586957dd",
+  "x86_64-apple-darwin-0.5.23":
+    "40525eceff3a95051e0139839140ec3597a45221cca5000b8290d20d771294f5",
+  "x86_64-pc-windows-msvc-0.5.23":
+    "140be2cf57e37c7c86be4840d17b71fbc7daa21e2f46ed60830b4a39ef527663",
+  "x86_64-unknown-linux-gnu-0.5.23":
+    "6c45b9a95328b5c250bab14a17af574f7fa284fac0830d6a827e5f6f0b0e6732",
+  "x86_64-unknown-linux-musl-0.5.23":
+    "d656e3c274b43e8d9253d79ce3bd20d6bf1bd3fdb13dfd13e5e07d7aa528906d",
+  "aarch64-apple-darwin-0.5.22":
+    "95496f513653e7246589b2334a04e2a001f6436919af30d68180ce480fd3971a",
+  "aarch64-unknown-linux-gnu-0.5.22":
+    "0ff503ff9d473d25d0460a375ff6ec3ed186ee6be2ffedc67642b3c7d77b6299",
+  "aarch64-unknown-linux-musl-0.5.22":
+    "43593ffde18d83f9453a69db70f5dbc61726beefc3bbdb80d1db61612eb26a41",
+  "arm-unknown-linux-musleabihf-0.5.22":
+    "78829476fad51a9361aefbb8ee5ed7aa19b981a7d6384e6033115277b761fe94",
+  "armv7-unknown-linux-gnueabihf-0.5.22":
+    "2c6b4876c6aa6e642466fb389cc106f5f9cb4ebb9e389bf2c9e883012d3d127b",
+  "armv7-unknown-linux-musleabihf-0.5.22":
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+    "080de54bc6b2a2c56c3d39d3ae857bac322702fd5a53b7732260a04ea6f25f67",
+  "powerpc64le-unknown-linux-musl-0.5.7":
+    "326c1da6f0bbd16350a45243a4ebe4deab838c2af5662c20514ae878986689c2",
+  "s390x-unknown-linux-gnu-0.5.7":
+    "ad94c056abf9a5caf652136de3569b999a5e0cba0456e41459e5ee34215465b0",
+  "x86_64-apple-darwin-0.5.7":
+    "b0ff9937005e9dbc68798f587e72cedfe488f0866bb47532a8c3273e7222090a",
+  "x86_64-pc-windows-msvc-0.5.7":
+    "cb2aea0d8f85ffe1c4e2a431cbbd6e5c8faeb732e7cf8e4bee1c10b7779e7352",
+  "x86_64-unknown-linux-gnu-0.5.7":
+    "8a0a3e823684dec6e49ae17f31bf6483c778fd579671992d9156875210e5161e",
+  "x86_64-unknown-linux-musl-0.5.7":
+    "4433fddf179fb49c962d6b4f824602b81cc20228406382b6fd21da33f816f8db",
+  "aarch64-apple-darwin-0.5.6":
+    "dc122e0c41f7a3fbc8004802062785e6b5c8171bc2a2ca0adc5485165c92452d",
+  "aarch64-unknown-linux-gnu-0.5.6":
+    "e90777ae28652cc7c40084ca2156bd344b5f95ee2ea9792b6e0c3a15f527c778",
+  "aarch64-unknown-linux-musl-0.5.6":
+    "b7e346728daac9c0d0d2e5df333f19275c232373a9ad29255b7aab2d8972f7fe",
+  "arm-unknown-linux-musleabihf-0.5.6":
+    "89ab758f876a6724ad1667f9e267369892dc7c570c136e40651ecbfd3a78e0e5",
+  "armv7-unknown-linux-gnueabihf-0.5.6":
+    "6e17c62e361400498f95d39c0565e1e71fd252c732485ff0bea7af68ea24739c",
+  "armv7-unknown-linux-musleabihf-0.5.6":
+    "c1806fb75ebc416e50e796ad3a61b82d096172d46fd4701c431cb54df4faf85a",
+  "i686-pc-windows-msvc-0.5.6":
+    "4e387415a2238a7e827cf653448c032aa7085ccb4e14c5376f022aa52a3b145d",
+  "i686-unknown-linux-gnu-0.5.6":
+    "d61e0b1aa8fa302f39604ba8080972fccd9e2b76b653c0ae4d9fffc0b91e193d",
+  "i686-unknown-linux-musl-0.5.6":
+    "3ca5626e6325a116aad2f44ba30bccc31a15b35ac2e67349982b9c717900004f",
+  "powerpc64-unknown-linux-gnu-0.5.6":
+    "112fd134f44c35800c1321bdd5ffc081d1d0bcd439e43fc3043829ed718fb7d5",
+  "powerpc64le-unknown-linux-gnu-0.5.6":
+    "56fcf8a19260d25ebda937422382c701446ff7849d86fc0aba37d9b60e8dcca9",
+  "powerpc64le-unknown-linux-musl-0.5.6":
+    "86f0347ff9cdfa214192d0143e673c61aca0981ab330f9ecf967acce2002f0df",
+  "s390x-unknown-linux-gnu-0.5.6":
+    "170beaaa681acf3c7535dbca04808f1ad51689c86a3439f93eb6e0a4567ea24d",
+  "x86_64-apple-darwin-0.5.6":
+    "9c45d209e5abdcfa42aa44cf456df6c0952b9d719b01d9c9e787886b17a5080e",
+  "x86_64-pc-windows-msvc-0.5.6":
+    "46c21ac0449ae967d65518d8025f6ae4006387802373bce0e72ebd133d77e94f",
+  "x86_64-unknown-linux-gnu-0.5.6":
+    "83521a07922e4ddff61b9204890a974e56ad9333f295690d3ddae931243ec3db",
+  "x86_64-unknown-linux-musl-0.5.6":
+    "0578a350834a79f39dc2301b613e094597fc6b7937e5249519a7e1fd17f6184f",
   "aarch64-apple-darwin-0.5.5":
     "9368ad5eb6dfb414e88b1ab70ef03a15963569a2bba5b2ad79f8cd0cdde01646",
   "aarch64-unknown-linux-gnu-0.5.5":

src/download/download-latest.ts

@@ -1,73 +0,0 @@
-import * as core from "@actions/core";
-import * as tc from "@actions/tool-cache";
-import * as exec from "@actions/exec";
-import * as path from "node:path";
-import { promises as fs } from "node:fs";
-import type { Architecture, Platform } from "../utils/platforms";
-import { validateChecksum } from "./checksum/checksum";
-import { OWNER, REPO, TOOL_CACHE_NAME } from "../utils/constants";
-
-export async function downloadLatest(
-  platform: Platform,
-  arch: Architecture,
-  checkSum: string | undefined,
-  githubToken: string | undefined,
-): Promise<{ cachedToolDir: string; version: string }> {
-  const artifact = `uv-${arch}-${platform}`;
-  let extension = ".tar.gz";
-  if (platform === "pc-windows-msvc") {
-    extension = ".zip";
-  }
-  const downloadUrl = `https://github.com/${OWNER}/${REPO}/releases/latest/download/${artifact}${extension}`;
-  core.info(`Downloading uv from "${downloadUrl}" ...`);
-
-  const downloadPath = await tc.downloadTool(
-    downloadUrl,
-    undefined,
-    githubToken,
-  );
-  let uvExecutablePath: string;
-  let uvDir: string;
-  if (platform === "pc-windows-msvc") {
-    const fullPathWithExtension = `${downloadPath}${extension}`;
-    await fs.copyFile(downloadPath, fullPathWithExtension);
-    uvDir = await tc.extractZip(fullPathWithExtension);
-    // On windows extracting the zip does not create an intermediate directory
-    uvExecutablePath = path.join(uvDir, "uv.exe");
-  } else {
-    const extractedDir = await tc.extractTar(downloadPath);
-    uvDir = path.join(extractedDir, artifact);
-    uvExecutablePath = path.join(uvDir, "uv");
-  }
-  const version = await getVersion(uvExecutablePath);
-  await validateChecksum(checkSum, downloadPath, arch, platform, version);
-  const cachedToolDir = await tc.cacheDir(
-    uvDir,
-    TOOL_CACHE_NAME,
-    version,
-    arch,
-  );
-
-  return { cachedToolDir, version };
-}
-
-async function getVersion(uvExecutablePath: string): Promise<string> {
-  // Parse the output of `uv --version` to get the version
-  // The output looks like
-  // uv 0.3.1 (be17d132a 2024-08-21)
-
-  const options: exec.ExecOptions = {
-    silent: !core.isDebug(),
-  };
-  const execArgs = ["--version"];
-
-  let output = "";
-  options.listeners = {
-    stdout: (data: Buffer) => {
-      output += data.toString();
-    },
-  };
-  await exec.exec(uvExecutablePath, execArgs, options);
-  const parts = output.split(" ");
-  return parts[1].trim();
-}

src/download/download-version.ts

@@ -5,7 +5,11 @@ import { promises as fs } from "node:fs";
 import { OWNER, REPO, TOOL_CACHE_NAME } from "../utils/constants";
 import type { Architecture, Platform } from "../utils/platforms";
 import { validateChecksum } from "./checksum/checksum";
-import * as github from "@actions/github";
+import { Octokit } from "@octokit/core";
+import { paginateRest } from "@octokit/plugin-paginate-rest";
+import { restEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";
+
+const PaginatingOctokit = Octokit.plugin(paginateRest, restEndpointMethods);
 
 export function tryGetFromToolCache(
   arch: Architecture,
@@ -70,10 +74,14 @@ export async function downloadVersion(
   return { version: resolvedVersion, cachedToolDir };
 }
 
-async function resolveVersion(
-  version: string,
+export async function resolveVersion(
+  versionInput: string,
   githubToken: string,
 ): Promise<string> {
+  const version =
+    versionInput === "latest"
+      ? await getLatestVersion(githubToken)
+      : versionInput;
   if (tc.isExplicitVersion(version)) {
     core.debug(`Version ${version} is an explicit version.`);
     return version;
@@ -87,11 +95,65 @@ async function resolveVersion(
 }
 
 async function getAvailableVersions(githubToken: string): Promise<string[]> {
-  const octokit = github.getOctokit(githubToken);
+  try {
+    const octokit = new PaginatingOctokit({
+      auth: githubToken,
+    });
+    return await getReleaseTagNames(octokit);
+  } catch (err) {
+    if ((err as Error).message.includes("Bad credentials")) {
+      core.info(
+        "No (valid) GitHub token provided. Falling back to anonymous. Requests might be rate limited.",
+      );
+      const octokit = new PaginatingOctokit();
+      return await getReleaseTagNames(octokit);
+    }
+    throw err;
+  }
+}
 
+async function getReleaseTagNames(
+  octokit: InstanceType<typeof PaginatingOctokit>,
+): Promise<string[]> {
   const response = await octokit.paginate(octokit.rest.repos.listReleases, {
     owner: OWNER,
     repo: REPO,
   });
   return response.map((release) => release.tag_name);
 }
+
+async function getLatestVersion(githubToken: string) {
+  const octokit = new PaginatingOctokit({
+    auth: githubToken,
+  });
+
+  let latestRelease: { tag_name: string } | undefined;
+  try {
+    latestRelease = await getLatestRelease(octokit);
+  } catch (err) {
+    if ((err as Error).message.includes("Bad credentials")) {
+      core.info(
+        "No (valid) GitHub token provided. Falling back to anonymous. Requests might be rate limited.",
+      );
+      const octokit = new PaginatingOctokit();
+      latestRelease = await getLatestRelease(octokit);
+    } else {
+      throw err;
+    }
+  }
+
+  if (!latestRelease) {
+    throw new Error("Could not determine latest release.");
+  }
+  return latestRelease.tag_name;
+}
+
+async function getLatestRelease(
+  octokit: InstanceType<typeof PaginatingOctokit>,
+) {
+  const { data: latestRelease } = await octokit.rest.repos.getLatestRelease({
+    owner: OWNER,
+    repo: REPO,
+  });
+  return latestRelease;
+}

src/setup-uv.ts

@@ -3,10 +3,10 @@ import * as path from "node:path";
 import {
   downloadVersion,
   tryGetFromToolCache,
+  resolveVersion,
 } from "./download/download-version";
 import { restoreCache } from "./cache/restore-cache";
 
-import { downloadLatest } from "./download/download-latest";
 import {
   type Architecture,
   getArch,
@@ -18,11 +18,16 @@ import {
   checkSum,
   enableCache,
   githubToken,
+  pyProjectFile,
   pythonVersion,
   toolBinDir,
   toolDir,
-  version,
+  uvFile,
+  version as versionInput,
 } from "./utils/inputs";
+import * as exec from "@actions/exec";
+import fs from "node:fs";
+import { getUvVersionFromConfigFile } from "./utils/pyproject";
 
 async function run(): Promise<void> {
   const platform = getPlatform();
@@ -35,18 +40,12 @@ async function run(): Promise<void> {
     if (arch === undefined) {
       throw new Error(`Unsupported architecture: ${process.arch}`);
     }
-    const setupResult = await setupUv(
-      platform,
-      arch,
-      version,
-      checkSum,
-      githubToken,
-    );
+    const setupResult = await setupUv(platform, arch, checkSum, githubToken);
 
     addUvToPath(setupResult.uvDir);
     addToolBinToPath();
     setToolDir();
-    setupPython();
+    await setupPython();
     addMatchers();
     setCacheDir(cacheLocalPath);
 
@@ -54,7 +53,7 @@ async function run(): Promise<void> {
     core.info(`Successfully installed uv version ${setupResult.version}`);
 
     if (enableCache) {
-      await restoreCache(setupResult.version);
+      await restoreCache();
     }
     process.exit(0);
   } catch (err) {
@@ -65,42 +64,53 @@ async function run(): Promise<void> {
 async function setupUv(
   platform: Platform,
   arch: Architecture,
-  versionInput: string,
   checkSum: string | undefined,
   githubToken: string,
 ): Promise<{ uvDir: string; version: string }> {
-  let installedPath: string | undefined;
-  let cachedToolDir: string;
-  let version: string;
-  if (versionInput === "latest") {
-    const latestResult = await downloadLatest(
-      platform,
-      arch,
-      checkSum,
-      githubToken,
-    );
-    version = latestResult.version;
-    cachedToolDir = latestResult.cachedToolDir;
-  } else {
-    const toolCacheResult = tryGetFromToolCache(arch, versionInput);
-    version = toolCacheResult.version;
-    installedPath = toolCacheResult.installedPath;
-    if (installedPath) {
-      core.info(`Found uv in tool-cache for ${versionInput}`);
-      return { uvDir: installedPath, version };
-    }
-    const versionResult = await downloadVersion(
-      platform,
-      arch,
-      versionInput,
-      checkSum,
-      githubToken,
-    );
-    cachedToolDir = versionResult.cachedToolDir;
-    version = versionResult.version;
+  const resolvedVersion = await determineVersion();
+  const toolCacheResult = tryGetFromToolCache(arch, resolvedVersion);
+  if (toolCacheResult.installedPath) {
+    core.info(`Found uv in tool-cache for ${toolCacheResult.version}`);
+    return {
+      uvDir: toolCacheResult.installedPath,
+      version: toolCacheResult.version,
+    };
   }
 
-  return { uvDir: cachedToolDir, version };
+  const downloadVersionResult = await downloadVersion(
+    platform,
+    arch,
+    resolvedVersion,
+    checkSum,
+    githubToken,
+  );
+
+  return {
+    uvDir: downloadVersionResult.cachedToolDir,
+    version: downloadVersionResult.version,
+  };
+}
+
+async function determineVersion(): Promise<string> {
+  if (versionInput !== "") {
+    return await resolveVersion(versionInput, githubToken);
+  }
+  const configFile = uvFile !== "" ? uvFile : pyProjectFile;
+  if (configFile !== "") {
+    const versionFromConfigFile = getUvVersionFromConfigFile(configFile);
+    if (versionFromConfigFile === undefined) {
+      core.warning(
+        `Could not find required-version under [tool.uv] in ${configFile}. Falling back to latest`,
+      );
+    }
+    return await resolveVersion(versionFromConfigFile || "latest", githubToken);
+  }
+  if (!fs.existsSync("uv.toml") && !fs.existsSync("pyproject.toml")) {
+    return await resolveVersion("latest", githubToken);
+  }
+  const versionFile = fs.existsSync("uv.toml") ? "uv.toml" : "pyproject.toml";
+  const versionFromConfigFile = getUvVersionFromConfigFile(versionFile);
+  return await resolveVersion(versionFromConfigFile || "latest", githubToken);
 }
 
 function addUvToPath(cachedPath: string): void {
@@ -135,10 +145,24 @@ function setToolDir(): void {
   }
 }
 
-function setupPython(): void {
+async function setupPython(): Promise<void> {
   if (pythonVersion !== "") {
     core.exportVariable("UV_PYTHON", pythonVersion);
     core.info(`Set UV_PYTHON to ${pythonVersion}`);
+    const options: exec.ExecOptions = {
+      silent: !core.isDebug(),
+    };
+    const execArgs = ["venv", "--python", pythonVersion];
+
+    core.info("Activating python venv...");
+    await exec.exec("uv", execArgs, options);
+
+    let venvBinPath = ".venv/bin";
+    if (process.platform === "win32") {
+      venvBinPath = ".venv/Scripts";
+    }
+    core.addPath(path.resolve(venvBinPath));
+    core.exportVariable("VIRTUAL_ENV", path.resolve(".venv"));
   }
 }
 

src/update-known-checksums.ts

@@ -1,16 +1,22 @@
-import * as github from "@actions/github";
+import * as semver from "semver";
 import * as core from "@actions/core";
+import { Octokit } from "@octokit/core";
+import { paginateRest } from "@octokit/plugin-paginate-rest";
+import { restEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";
 
 import { OWNER, REPO } from "./utils/constants";
-import * as semver from "semver";
 
 import { updateChecksums } from "./download/checksum/update-known-checksums";
 
+const PaginatingOctokit = Octokit.plugin(paginateRest, restEndpointMethods);
+
 async function run(): Promise<void> {
   const checksumFilePath = process.argv.slice(2)[0];
   const github_token = process.argv.slice(2)[1];
 
-  const octokit = github.getOctokit(github_token);
+  const octokit = new PaginatingOctokit({
+    auth: github_token,
+  });
 
   const response = await octokit.paginate(octokit.rest.repos.listReleases, {
     owner: OWNER,

src/utils/inputs.ts

@@ -2,9 +2,11 @@ import * as core from "@actions/core";
 import path from "node:path";
 
 export const version = core.getInput("version");
+export const pyProjectFile = core.getInput("pyproject-file");
+export const uvFile = core.getInput("uv-file");
 export const pythonVersion = core.getInput("python-version");
 export const checkSum = core.getInput("checksum");
-export const enableCache = core.getInput("enable-cache") === "true";
+export const enableCache = getEnableCache();
 export const cacheSuffix = core.getInput("cache-suffix") || "";
 export const cacheLocalPath = getCacheLocalPath();
 export const cacheDependencyGlob = core.getInput("cache-dependency-glob");
@@ -15,6 +17,14 @@ export const toolBinDir = getToolBinDir();
 export const toolDir = getToolDir();
 export const githubToken = core.getInput("github-token");
 
+function getEnableCache(): boolean {
+  const enableCacheInput = core.getInput("enable-cache");
+  if (enableCacheInput === "auto") {
+    return process.env.RUNNER_ENVIRONMENT === "github-hosted";
+  }
+  return enableCacheInput === "true";
+}
+
 function getToolBinDir(): string | undefined {
   const toolBinDirInput = core.getInput("tool-bin-dir");
   if (toolBinDirInput !== "") {

src/utils/pyproject.ts

@@ -0,0 +1,45 @@
+import fs from "node:fs";
+import * as core from "@actions/core";
+import * as toml from "smol-toml";
+
+export function getUvVersionFromConfigFile(
+  filePath: string,
+): string | undefined {
+  if (!fs.existsSync(filePath)) {
+    core.warning(`Could not find file: ${filePath}`);
+    return undefined;
+  }
+  let requiredVersion: string | undefined;
+  try {
+    requiredVersion = getRequiredVersion(filePath);
+  } catch (err) {
+    const message = (err as Error).message;
+    core.warning(`Error while parsing ${filePath}: ${message}`);
+    return undefined;
+  }
+
+  if (requiredVersion?.startsWith("==")) {
+    requiredVersion = requiredVersion.slice(2);
+  }
+  if (requiredVersion !== undefined) {
+    core.info(
+      `Found required-version for uv in ${filePath}: ${requiredVersion}`,
+    );
+  }
+  return requiredVersion;
+}
+
+function getRequiredVersion(filePath: string): string | undefined {
+  const fileContent = fs.readFileSync(filePath, "utf-8");
+
+  if (filePath.endsWith("pyproject.toml")) {
+    const tomlContent = toml.parse(fileContent) as {
+      tool?: { uv?: { "required-version"?: string } };
+    };
+    return tomlContent?.tool?.uv?.["required-version"];
+  }
+  const tomlContent = toml.parse(fileContent) as {
+    "required-version"?: string;
+  };
+  return tomlContent["required-version"];
+}

tsconfig.json

@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es6" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "target": "ES2022" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
     "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
     "outDir": "./lib" /* Redirect output structure to the directory. */,
     "rootDir": "./src" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,