Use uv to simplify various CI jobs

.github/workflows/regen-examples-and-docs.yml

@@ -26,12 +26,10 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - uses: hynek/setup-cached-uv@v2
-      - run: uv pip install -e .[docs] --system
-      - run: uv pip freeze
+      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
       - name: Regenerate examples and docs
         id: regen
-        run: python scripts/regenerate.py --download-typeshed
+        run: uv run --extra=docs scripts/regenerate.py --download-typeshed
       - name: Check the generated files with pre-commit
         id: lint
         uses: pre-commit/action@v3.0.1

.github/workflows/test-website.yml

@@ -22,11 +22,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - uses: hynek/setup-cached-uv@v2
-      - run: uv pip install -e .[docs] --system
-      - run: uv pip freeze
+      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
       - name: Regenerate examples and docs
-        run: python scripts/regenerate.py --download-typeshed
+        run: uv run --extra=docs scripts/regenerate.py --download-typeshed
       - name: Check the generated files with pre-commit
         uses: pre-commit/action@v3.0.1
       - name: Build docs

.github/workflows/typecheck.yml

@@ -35,13 +35,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
-      - uses: hynek/setup-cached-uv@v2
-      - run: uv pip install -e ".[typecheck]" --system
-      - run: uv pip freeze
-      - run: mypy
+      - run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - run: uv run --extra=typecheck mypy
 
   pyright:
     name: Run pyright on the codebase