用 uv 加速 CI ⚡

我们可以使用 uv 在 GitHub Actions 上进行 linting 和测试，速度大约快 1.5 倍。

毛绒检查

使用预提交进行 linting 时：

name: Lint

on: [push, pull_request, workflow_dispatch]

env:
  FORCE_COLOR: 1

permissions:
  contents: read

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"
          cache: pip
      - uses: pre-commit/action@v3.0.1

我们可以用 tox-dev/action-pre-commit-uv 替换预提交/操作：

       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
-          cache: pip
-      - uses: pre-commit/action@v3.0.1
+      - uses: tox-dev/action-pre-commit-uv@v1

name: Lint

on: [push, pull_request, workflow_dispatch]

env:
  FORCE_COLOR: 1

permissions:
  contents: read

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"
      - uses: tox-dev/action-pre-commit-uv@v1

这意味着 uv 将创建虚拟环境并安装用于预提交的软件包，这对于没有缓存时的初始种子操作来说更快。

棉绒比较

例如：python/blurb#32

	Before	After	Times faster
No cache	60s	37s	1.62
With cache	11s	11s	1.00

测试

使用 tox 进行测试时：

name: Test

on: [push, pull_request, workflow_dispatch]

permissions:
  contents: read

env:
  FORCE_COLOR: 1

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]

    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          allow-prereleases: true
          cache: pip

      - name: Install dependencies
        run: |
          python --version
          python -m pip install -U pip
          python -m pip install -U tox

      - name: Tox tests
        run: |
          tox -e py

我们可以用 tox-uv 代替 tox：

       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
-          cache: pip

-      - name: Install dependencies
-        run: |
-          python --version
-          python -m pip install -U pip
-          python -m pip install -U tox
+      - name: Install uv
+        uses: hynek/setup-cached-uv@v2

       - name: Tox tests
         run: |
-          tox -e py
+          uvx --with tox-uv tox -e py

name: Test

on: [push, pull_request, workflow_dispatch]

permissions:
  contents: read

env:
  FORCE_COLOR: 1

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]

    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          allow-prereleases: true

      - name: Install uv
        uses: hynek/setup-cached-uv@v2

      - name: Tox tests
        run: |
          uvx --with tox-uv tox -e py

tox-uv 是 tox 插件，用于在您的 tox 环境中用 uv 替换 virtualenv 和 pip。我们只需要安装 uv，并使用 uvx 来安装 tox-uv 和运行 tox，以便更快地安装 tox、虚拟环境及其中的依赖项。

测试对比

例如：python/blurb#32

	Before	After	Times faster
No cache	2m 0s	1m 26s	1.40
With cache	1m 58s	1m 22s	1.44

额外小费

运行新工具 zizmor 来查找 GitHub Actions 中的安全问题。

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