use pixi to build pypi package

.github/workflows/build.yml

@@ -11,13 +11,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - name: Set up pixi
+        uses: prefix-dev/setup-pixi@19b5e6071f70a82d3c5741d7b3f98a71d192eb20
         with:
-          python-version: "3.9"
-      - name: Install Python build
-        run: pip install build
+          environments: build
       - name: Build project
-        run: python -m build
+        run: pixi run -e build build-wheel
       - name: Upload package
         uses: actions/upload-artifact@v4
         with:

pixi.toml

@@ -23,6 +23,12 @@ pytest-md = "*"
 pytest-emoji = "*"
 mypy = "*"
 
+[feature.build.dependencies]
+build = "*"
+
+[feature.build.tasks]
+build-wheel = "python -m build --no-isolation ."
+
 [feature.test.tasks]
 test = "pytest"
 
@@ -47,4 +53,5 @@ python = "3.12.*"
 default = ["test"]
 py38 = ["py38", "test"]
 py312 = ["py312", "test"]
+build = ["build"]
 lint = ["lint"]