ci: make use of setup-uv action.

.github/workflows/coverage.yml

@@ -21,30 +21,12 @@ jobs:
       percentage_float: ${{ steps.cov.outputs.percentage_float }}
     steps:
       - uses: actions/checkout@v4
-      - name: Set up base Python
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
-          # Note that this is just the version of Python that we use to run `uv` with.
-          # `uv` manages its own version of Python.
-          # For speed, we use the same version for both, but in principle these could differ.
+          version: "latest"
           python-version: 3.13
-      - name: Set up uv cache directory location (Linux/Mac)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
-        if: runner.os != 'Windows'
-      - name: Set up uv cache directory location (Windows)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $env:GITHUB_ENV
-        if: runner.os == 'Windows'
-      - name: Restore uv cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.UV_CACHE_DIR }}
-          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}-test
-          restore-keys: |
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
-            uv-${{ runner.os }}
-      - name: Install latest versions of pip and uv
-        run: python -m pip install --upgrade pip uv
+          enable-cache: true
       - name: Install test dependencies
         run: uv sync --extra test --no-dev --locked
       - name: Debug - uv pip freeze
@@ -78,9 +60,7 @@ jobs:
           uv run tests/coverage/compare.py \
             ${{ steps.cov.outputs.percentage_float }} \
             $HISTORIC
-      - name: Minimize UV cache
-        run: uv cache prune --ci
-        if: always()
+
   coverage-badge:
     name: Update coverage badge
     # Keep as a separate job to avoid clashes between meta and main repos

.github/workflows/docs.yml

@@ -13,37 +13,19 @@ jobs:
     name: Build documentation
     runs-on: ubuntu-latest
     env:
-      # Note that we use 3.12 here rather than 3.13 to avoid spurious Sphinx errors
-      # about not being able to link to `pathlib._locals.Path`.
-      UV_PYTHON: 3.12
       # Disable implicitly syncing before running - we run an explicit sync first.
       UV_NO_SYNC: true
     steps:
       - uses: actions/checkout@v4
-      - name: Set up base Python
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
-          # Note that this is just the version of Python that we use to run `uv` with.
-          # `uv` manages its own version of Python.
-          # For speed, we use the same version for both, but in principle these could differ.
+          version: "latest"
+          # Note that we use 3.12 here rather than 3.13 to avoid spurious Sphinx errors
+          # about not being able to link to `pathlib._locals.Path`.
           python-version: 3.12
-      - name: Set up uv cache directory location (Linux/Mac)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
-        if: runner.os != 'Windows'
-      - name: Set up uv cache directory location (Windows)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $env:GITHUB_ENV
-        if: runner.os == 'Windows'
-      - name: Restore uv cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.UV_CACHE_DIR }}
-          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}-test
-          restore-keys: |
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
-            uv-${{ runner.os }}
-      - name: Install latest versions of pip and uv
-        run: python -m pip install --upgrade pip uv
+          enable-cache: true
+          cache-suffix: "docs"
       - name: Install documentation dependencies
         run: uv sync --extra doc --no-dev --locked
       - name: Debug - uv pip freeze
@@ -54,6 +36,3 @@ jobs:
       - name: Check external links
         run: |
           uv run -m sphinx -b linkcheck documentation/source documentation/build
-      - name: Minimize UV cache
-        run: uv cache prune --ci
-        if: always()

.github/workflows/performance.yml

@@ -18,30 +18,13 @@ jobs:
       UV_NO_SYNC: true
     steps:
       - uses: actions/checkout@v4
-      - name: Set up base Python
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
-          # Note that this is just the version of Python that we use to run `uv` with.
-          # `uv` manages its own version of Python.
-          # For speed, we use the same version for both, but in principle these could differ.
-          python-version: 3.13
-      - name: Set up uv cache directory location (Linux/Mac)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
-        if: runner.os != 'Windows'
-      - name: Set up uv cache directory location (Windows)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $env:GITHUB_ENV
-        if: runner.os == 'Windows'
-      - name: Restore uv cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.UV_CACHE_DIR }}
-          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}-none
-          restore-keys: |
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
-            uv-${{ runner.os }}
-      - name: Install latest versions of pip and uv
-        run: python -m pip install --upgrade pip uv
+          version: "latest"
+          python-version: 3.12
+          enable-cache: true
+          cache-suffix: "performance"
       - name: Install package dependencies
         run: uv sync --no-dev --locked
       - name: Debug - uv pip freeze
@@ -109,6 +92,3 @@ jobs:
             /repos/:owner/coreax-metadata/contents/$OUT_NAME \
             -f message="$message" \
             -f content="$content"
-      - name: Minimize UV cache
-        run: uv cache prune --ci
-        if: always()

.github/workflows/pre_commit_autoupdate.yml

@@ -45,15 +45,11 @@ jobs:
           fi
 
       # Pre-commit setup and autoupdate steps
-      - name: Set up Python 3.13
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
+          version: "latest"
           python-version: 3.13
-          cache: pip
-      - name: Upgrade Pip
-        run: python -m pip install --upgrade pip
-      - name: Install pre-commit
-        run: pip install pre-commit
       - name: Store hash of baseline pre-commit config for comparison
         id: old_file
         run: echo "hash=$( sha256sum $config_path )" >> $GITHUB_OUTPUT
@@ -65,7 +61,7 @@ jobs:
       - name: Run pre-commit autoupdate on main pre-commit config
         id: autoupdate
         run: |
-          pre-commit autoupdate > ${{ env.update_message_path }}
+          uv tool pre-commit autoupdate > ${{ env.update_message_path }}
           sed -i "/updating/!d" ${{ env.update_message_path }}
       - name: Store hash of new pre-commit config for comparison
         id: new_file

.github/workflows/pre_commit_checks.yml

@@ -16,30 +16,13 @@ jobs:
       UV_NO_SYNC: true
     steps:
       - uses: actions/checkout@v4
-      - name: Set up base Python
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
-          # Note that this is just the version of Python that we use to run `uv` with.
-          # `uv` manages its own version of Python.
-          # For speed, we use the same version for both, but in principle these could differ.
+          version: "latest"
           python-version: 3.13
-      - name: Set up uv cache directory location (Linux/Mac)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
-        if: runner.os != 'Windows'
-      - name: Set up uv cache directory location (Windows)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $env:GITHUB_ENV
-        if: runner.os == 'Windows'
-      - name: Restore uv cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.UV_CACHE_DIR }}
-          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}-dev
-          restore-keys: |
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
-            uv-${{ runner.os }}
-      - name: Install latest versions of pip and uv
-        run: python -m pip install --upgrade pip uv
+          enable-cache: true
+          cache-suffix: "pre-commit"
       - name: Install development dependencies
         run: uv sync --dev --locked
       - name: Debug - uv pip freeze
@@ -48,6 +31,3 @@ jobs:
         run: sed -e "/fail_fast/d" .pre-commit-config.yaml > /tmp/.pre-commit-config-ci.yaml
       - name: Run Pre-commit checks
         run: SKIP=no-commit-to-branch uv run pre-commit run --all-files --show-diff-on-failure --config /tmp/.pre-commit-config-ci.yaml
-      - name: Minimize UV cache
-        run: uv cache prune --ci
-        if: always()

.github/workflows/pyright.yml

@@ -17,30 +17,13 @@ jobs:
       UV_NO_SYNC: true
     steps:
       - uses: actions/checkout@v4
-      - name: Set up base Python
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
-          # Note that this is just the version of Python that we use to run `uv` with.
-          # `uv` manages its own version of Python.
-          # For speed, we use the same version for both, but in principle these could differ.
+          version: "latest"
           python-version: 3.13
-      - name: Set up uv cache directory location (Linux/Mac)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
-        if: runner.os != 'Windows'
-      - name: Set up uv cache directory location (Windows)
-        run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $env:GITHUB_ENV
-        if: runner.os == 'Windows'
-      - name: Restore uv cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.UV_CACHE_DIR }}
-          key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}-dev
-          restore-keys: |
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}
-            uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
-            uv-${{ runner.os }}
-      - name: Install latest versions of pip and uv
-        run: python -m pip install --upgrade pip uv
+          enable-cache: true
+          cache-suffix: "pre-commit"
       - name: Install dev dependencies
         run: uv sync --dev --locked
       - name: Debug - uv pip freeze

.github/workflows/unittests.yml

@@ -25,36 +25,16 @@ jobs:
           - macos-latest
     runs-on: ${{ matrix.os }}
     env:
-      # Set the Python version that `uv` will use for its virtual environment.
-      UV_PYTHON: ${{ matrix.python-version }}
       # Disable implicitly syncing before running - we run an explicit sync first.
       UV_NO_SYNC: true
     steps:
     - uses: actions/checkout@v4
-    - name: Set up base Python
-      uses: actions/setup-python@v5
+    - name: Set up uv
+      uses: astral-sh/setup-uv@v5
       with:
-        # Note that this is just the version of Python that we use to run `uv` with.
-        # `uv` manages its own version of Python.
-        # For speed, we use the same version for both, but in principle these could differ.
+        version: "latest"
         python-version: ${{ matrix.python-version }}
-    - name: Set up uv cache directory location (Linux/Mac)
-      run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $GITHUB_ENV
-      if: runner.os != 'Windows'
-    - name: Set up uv cache directory location (Windows)
-      run: echo "UV_CACHE_DIR=${{ runner.temp }}/.uv-cache" >> $env:GITHUB_ENV
-      if: runner.os == 'Windows'
-    - name: Restore uv cache
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.UV_CACHE_DIR }}
-        key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}-test
-        restore-keys: |
-          uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-${{ matrix.python-version }}
-          uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
-          uv-${{ runner.os }}
-    - name: Install latest versions of pip and uv
-      run: python -m pip install --upgrade pip uv
+        enable-cache: true
     - name: Install test dependencies
       run: uv sync --extra test --no-dev --locked
     - name: Debug - uv pip freeze
@@ -64,6 +44,3 @@ jobs:
     # Integration tests are slow, so only run if all other tests pass.
     - name: Test integration tests
       run: uv run pytest tests/integration -n auto --dist worksteal
-    - name: Minimize UV cache
-      run: uv cache prune --ci
-      if: always()

.github/workflows/uv_lock_autoupdate.yml

@@ -47,15 +47,11 @@ jobs:
           fi
 
       # uv setup and lockfile upgrading steps
-      - name: Set up Python 3.13
-        uses: actions/setup-python@v5
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
         with:
+          version: "latest"
           python-version: 3.13
-          cache: pip
-      - name: Upgrade Pip
-        run: python -m pip install --upgrade pip
-      - name: Install uv
-        run: pip install uv
       - name: Store hash of baseline files for comparison
         id: old_hash
         run: |