Try setting Python version correctly

Author: martinRenou

.github/workflows/main.yml

@@ -20,17 +20,20 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.11", "3.12", "3.13"]
+        python-version: [py37, py38, py39, py311, py312, py313]
 
     steps:
     - uses: actions/checkout@v4
 
     - uses: prefix-dev/[email protected]
+      if: ${{ ! startsWith(github.ref, 'refs/tags/') }}
       with:
         cache: false
+        environments: >-
+          ${{ matrix.python-version }}
 
     - name: Run build
-      run: pixi run build
+      run: pixi run -e ${{ matrix.python-version }} build
 
-    - name: Run tests
-      run: pixi run test
+    - name: Run test
+      run: pixi run -e ${{ matrix.python-version }} test

pixi.toml

@@ -6,6 +6,30 @@ platforms = ["win-64", "linux-64", "osx-64", "osx-arm64"]
 [dependencies]
 python = ">=3.7"
 
+[feature.py37.dependencies]
+python = "3.7.*"
+[feature.py38.dependencies]
+python = "3.8.*"
+[feature.py39.dependencies]
+python = "3.9.*"
+[feature.py310.dependencies]
+python = "3.10.*"
+[feature.py311.dependencies]
+python = "3.11.*"
+[feature.py312.dependencies]
+python = "3.12.*"
+[feature.py313.dependencies]
+python = "3.13.*"
+
+[environments]
+py37 = ["py37"]
+py38 = ["py38"]
+py39 = ["py39"]
+py310 = ["py310"]
+py311 = ["py311"]
+py312 = ["py312"]
+py313 = ["py313"]
+
 # Build dependencies
 cmake = "*"
 cxx-compiler = "*"