libmamba: python multiversion support

libmamba.yaml

@@ -1,11 +1,23 @@
 package:
   name: libmamba
   version: 2024.10.02
-  epoch: 0
+  epoch: 1
   description: Cross-Platform Package Manager
   copyright:
     - license: BSD-3-Clause
 
+vars:
+  pypi-package: libmambapy
+  import: libmambapy
+
+data:
+  - name: py-versions
+    items:
+      3.10: "310"
+      3.11: "311"
+      3.12: "312"
+      3.13: "300"
+
 environment:
   contents:
     packages:
@@ -25,12 +37,12 @@ environment:
       - nlohmann-json
       - openssf-compiler-options
       - openssl-dev
-      - py3-distro
-      - py3-pip
-      - py3-pybind11-dev
-      - py3-scikit-build
-      - py3-wheel
-      - python3-dev
+      - py3-supported-distro
+      - py3-supported-pip
+      - py3-supported-pybind11
+      - py3-supported-python-dev
+      - py3-supported-scikit-build
+      - py3-supported-wheel
       - reproc
       - reproc++
       - samurai
@@ -71,15 +83,61 @@ pipeline:
   - uses: strip
 
 subpackages:
-  - name: py3-libmambapy
+  - range: py-versions
+    name: py${{range.key}}-${{vars.pypi-package}}
     dependencies:
       runtime:
         - libmamba
+      provides:
+        - py3-${{vars.pypi-package}}
+      provider-priority: ${{range.value}}
     pipeline:
       - runs: |
-          CMAKE_PREFIX_PATH=${{targets.subpkgdir}}/usr \
-            libmamba_DIR=${{targets.destdir}}/usr/lib/cmake/libmamba \
-            python -m pip install --root=${{targets.subpkgdir}} --no-deps --no-build-isolation --ignore-installed ./libmambapy/
+          mkdir -p wrapper-bin
+          cat > wrapper-bin/python${{range.key}} <<EOF
+          #!/bin/sh -x
+          export libmamba_DIR="${{targets.destdir}}/usr/lib/cmake/libmamba"
+          exec /usr/bin/python${{range.key}} \${1+"\$@"}
+          EOF
+          chmod 755 wrapper-bin/python${{range.key}}
+        working-directory: ./libmambapy
+      - uses: py/pip-build-install
+        with:
+          python: ./wrapper-bin/python${{range.key}}
+        working-directory: ./libmambapy
+    test:
+      pipeline:
+        - uses: python/import
+          with:
+            python: python${{range.key}}
+            import: ${{vars.import}}
+
+  - name: py3-supported-${{vars.pypi-package}}
+    description: meta package providing ${{vars.pypi-package}} for supported python versions
+    dependencies:
+      runtime:
+        - py3.10-${{vars.pypi-package}}
+        - py3.11-${{vars.pypi-package}}
+        - py3.12-${{vars.pypi-package}}
+        - py3.13-${{vars.pypi-package}}
+    test:
+      pipeline:
+        - uses: python/import
+          with:
+            python: python3.10
+            import: ${{vars.import}}
+        - uses: python/import
+          with:
+            python: python3.11
+            import: ${{vars.import}}
+        - uses: python/import
+          with:
+            python: python3.12
+            import: ${{vars.import}}
+        - uses: python/import
+          with:
+            python: python3.13
+            import: ${{vars.import}}
 
   - name: libmamba-dev
     pipeline: