gh-142466: Pixi package definitions for downstream use

.gitignore

@@ -158,6 +158,7 @@ Tools/msi/obj
 Tools/ssl/amd64
 Tools/ssl/win32
 Tools/freeze/test/outdir
+Tools/pixi-packages/**/.pixi
 
 # The frozen modules are always generated by the build so we don't
 # keep them in the repo.  Also see Tools/build/freeze_modules.py.

Tools/pixi-packages/README.md

@@ -0,0 +1,2 @@
+- see comments for which fields should be maintained and kept up-to-date
+- combining directories blocked on https://github.com/prefix-dev/pixi/issues/4599

Tools/pixi-packages/asan/pixi.toml

@@ -0,0 +1,8 @@
+[workspace]
+channels = ["https://prefix.dev/conda-forge"]
+platforms = ["osx-arm64", "linux-64"]
+preview = ["pixi-build"]
+
+[package.build.backend]
+name = "pixi-build-rattler-build"
+version = "*"

Tools/pixi-packages/asan/recipe.yaml

@@ -0,0 +1,67 @@
+context:
+  # XXX: keep up to date
+  version: "3.15"
+  minor_version: "3.15"
+
+package:
+  name: python
+  version: ${{ version }}
+
+source:
+  - path: ../../..
+
+build:
+  files:
+    exclude:
+      - "*.o"
+  script:
+    file: ../build.sh
+    env:
+      MINOR_VERSION: ${{ minor_version }}
+      PYTHON_ASAN: "1"
+
+# XXX: maybe not all requirements necessary
+# derived from https://github.com/conda-forge/python-feedstock/blob/main/recipe/meta.yaml
+requirements:
+  build:
+    - ${{ compiler('c') }}
+    - ${{ compiler('cxx') }}
+    - make
+    - libtool
+    - pkg-config
+    # configure script looks for llvm-ar for lto
+    - if: osx
+      then:
+        - llvm-tools
+    - if: linux
+      then:
+        - ld_impl_${{ target_platform }}
+        - binutils_impl_${{ target_platform }}
+    - clang-19
+    - llvm-tools-19
+
+  host:
+    - bzip2
+    - sqlite
+    - liblzma-devel
+    - zlib
+    - zstd
+    - openssl
+    - readline
+    - tk
+    # These two are just to get the headers needed for tk.h, but is unused
+    - xorg-libx11
+    - xorg-xorgproto
+    - ncurses
+    - libffi
+    - if: linux
+      then:
+        - ld_impl_${{ target_platform }}
+        - libuuid
+    - libmpdec-devel
+    - expat
+
+about:
+  homepage: https://www.python.org/
+  license: Python-2.0
+  license_file: LICENSE

Tools/pixi-packages/build.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+if [[ "${PYTHON_ASAN}" == 1 ]]; then
+    echo "BUILD TYPE: ASAN"
+    BUILD_DIR="../build_asan"
+    CONFIGURE_EXTRA="--with-address-sanitizer"
+    export ASAN_OPTIONS="detect_leaks=0:symbolize=1:strict_init_order=true:allocator_may_return_null=1:use_sigaltstack=0"
+else
+    echo "BUILD TYPE: DEFAULT"
+    BUILD_DIR="../build"
+    CONFIGURE_EXTRA=""
+fi
+
+mkdir -p "${BUILD_DIR}"
+cd "${BUILD_DIR}"
+
+if [[ -f configure-done ]]; then
+    echo "Skipping configure step, already done."
+else
+    "${SRC_DIR}/configure" \
+        --prefix="${PREFIX}" \
+        --oldincludedir="${BUILD_PREFIX}/${HOST}/sysroot/usr/include" \
+        --enable-shared \
+        --srcdir="${SRC_DIR}" \
+        ${CONFIGURE_EXTRA}
+fi
+
+touch configure-done
+
+make -j"${CPU_COUNT}" install
+ln -sf "${PREFIX}/bin/python${MINOR_VERSION}" "${PREFIX}/bin/python"
+
+# https://github.com/prefix-dev/rattler-build/issues/2012
+if [[ ${OSTYPE} == "darwin"* ]]; then
+    cp "${BUILD_PREFIX}/lib/clang/21/lib/darwin/libclang_rt.asan_osx_dynamic.dylib" "${PREFIX}/lib/libclang_rt.asan_osx_dynamic.dylib"
+fi

Tools/pixi-packages/default/pixi.toml

@@ -0,0 +1,8 @@
+[workspace]
+channels = ["https://prefix.dev/conda-forge"]
+platforms = ["osx-arm64", "linux-64"]
+preview = ["pixi-build"]
+
+[package.build.backend]
+name = "pixi-build-rattler-build"
+version = "*"

Tools/pixi-packages/default/recipe.yaml

@@ -0,0 +1,66 @@
+context:
+  # XXX: keep up to date
+  version: "3.15"
+  minor_version: "3.15"
+
+package:
+  name: python
+  version: ${{ version }}
+
+source:
+  - path: ../../..
+
+build:
+  files:
+    exclude:
+      - "*.o"
+  script:
+    file: ../build.sh
+    env:
+      MINOR_VERSION: ${{ minor_version }}
+
+# XXX: maybe not all requirements necessary
+# derived from https://github.com/conda-forge/python-feedstock/blob/main/recipe/meta.yaml
+requirements:
+  build:
+    - ${{ compiler('c') }}
+    - ${{ compiler('cxx') }}
+    - make
+    - libtool
+    - pkg-config
+    # configure script looks for llvm-ar for lto
+    - if: osx
+      then:
+        - llvm-tools
+    - if: linux
+      then:
+        - ld_impl_${{ target_platform }}
+        - binutils_impl_${{ target_platform }}
+    - clang-19
+    - llvm-tools-19
+
+  host:
+    - bzip2
+    - sqlite
+    - liblzma-devel
+    - zlib
+    - zstd
+    - openssl
+    - readline
+    - tk
+    # These two are just to get the headers needed for tk.h, but is unused
+    - xorg-libx11
+    - xorg-xorgproto
+    - ncurses
+    - libffi
+    - if: linux
+      then:
+        - ld_impl_${{ target_platform }}
+        - libuuid
+    - libmpdec-devel
+    - expat
+
+about:
+  homepage: https://www.python.org/
+  license: Python-2.0
+  license_file: LICENSE