1 package khisto python

.github/workflows/pack-pip.yml

@@ -0,0 +1,96 @@
+name: pip packaging
+on: 
+  workflow_dispatch:
+    inputs:
+      python_repository:
+        description: python repository
+        type: choice
+        default: None  # no publishing to any Package Index by default
+        options: [None, testpypi, pypi]
+  push:
+    tags: ['*']
+  pull_request:
+    paths:
+      - .github/workflows/pack-pip.yml
+      - pyproject.toml
+      - CMakeLists.txt
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build-wheel:
+    name: Build wheel
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-24.04, ubuntu-24.04-arm, windows-2025, windows-11-arm, macos-15-intel, macos-15]
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Load Visual C++ Environment Variables (Windows)
+        if: runner.os == 'Windows'
+        shell: cmd
+        run: |
+          call "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\VC\\Auxiliary\\Build\\vcvars64.bat"
+          set >> %GITHUB_ENV%
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v3.3.1
+
+      - name: install Python
+        uses: actions/setup-python@v5
+
+      - name: Test built wheel
+        run: |
+          pip install --find-links=wheelhouse khisto
+          pip install pytest>=8.3 pytest-cov>=6 pytest-xdist>=3.6 pytest-sugar>=1.0
+          pytest tests/
+
+      - uses: actions/upload-artifact@v6
+        with:
+          name: pkg-wheel-${{ matrix.os }}
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  release-testpypi:
+    # Publish only on tag pushes in the KhiopsML repository
+    if: github.ref_type == 'tag' && github.repository_owner == 'KhiopsML' && inputs.python_repository == 'testpypi'
+    name: Publish to Test.PyPI.org
+    needs: [build-wheel]
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    environment:
+      name: testpypi
+    steps:
+      - uses: actions/download-artifact@v5
+        with:
+          pattern: pkg-*
+          path: dist
+          merge-multiple: true
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          verbose: true
+          repository-url: https://test.pypi.org/legacy/
+
+  release-pypi:
+     # Publish only on tag pushes in the KhiopsML repository
+    name: Publish to PyPI.org
+    if: github.ref_type == 'tag' && github.repository_owner == 'KhiopsML' && inputs.python_repository == 'pypi'
+    needs: [build-wheel]
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    environment:
+      name: pypi
+    steps:
+      - uses: actions/download-artifact@v5
+        with:
+          pattern: pkg-*
+          path: dist
+          merge-multiple: true
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          verbose: true

.gitignore

@@ -177,3 +177,6 @@ uv.lock
 
 # Excel
 **/*.xlsx
+
+# macOS
+.DS_Store

.pre-commit-config.yaml

@@ -112,12 +112,12 @@ repos:
         pass_filenames: false
         always_run: true
         args: [--markdown-linebreak-ext=md]
-      - id: pyrefly
-        name: pyrefly
-        entry: pyrefly check
-        language: system
-        pass_filenames: false
-        always_run: true
+      # - id: pyrefly
+      #   name: pyrefly
+      #   entry: pyrefly check
+      #   language: system
+      #   pass_filenames: false
+      #   always_run: true
       - id: ruff-check
         name: ruff-check
         entry: ruff check
@@ -130,3 +130,12 @@ repos:
         entry: ruff format
         language: system
         pass_filenames: false
+      - id: update-copyright
+        name: update-copyright
+        entry: python scripts/update-copyright.py
+        language: system
+        types_or: [c, c++, java, python]
+      - id: check-obsolete-copyright
+        name: check-obsolete-copyright
+        entry: python scripts/check-obsolete-copyright.py
+        language: system

CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.16.3)
+project(khisto)
+include(FetchContent)
+
+# Extract the khiops version from pyproject.toml
+# The version is specified in the "tool.khiops" section as "khiops-version = "x.y.z""
+# It must correspond to a tag in the khiops repository
+file(READ pyproject.toml PYPROJECT_FILE)
+string(REGEX MATCH "khiops-version = \"([^\"]*)\"" _ ${PYPROJECT_FILE})
+set(KHIOPS_VERSION ${CMAKE_MATCH_1})
+if(NOT KHIOPS_VERSION)
+  message(FATAL_ERROR "Could not extract khiops version from pyproject.toml")
+endif()
+message(STATUS "Khiops version: ${KHIOPS_VERSION}")
+
+# Download and build khiops from the specified tag
+fetchcontent_Declare(
+  khiops
+  GIT_REPOSITORY https://github.com/KhiopsML/khiops.git
+    GIT_TAG ${KHIOPS_VERSION})
+FetchContent_MakeAvailable(khiops)

LICENSE

@@ -0,0 +1,32 @@
+The Clear BSD License
+
+Copyright (c) 2023-2026 Orange S.A.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted (subject to the limitations in the disclaimer
+below) provided that the following conditions are met:
+
+     * Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+
+     * Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+     * Neither the name of the copyright holder nor the names of its
+     contributors may be used to endorse or promote products derived from this
+     software without specific prior written permission.
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY
+THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.

pyproject.toml

@@ -3,14 +3,18 @@ name = "khisto"
 version = "0.1.0"
 description = "Optimal histogram visualization using the Khiops algorithm"
 readme = "README.md"
-requires-python = ">=3.11"
+license = "BSD-3-Clause-Clear"
+license-files = ["LICENSE"]
+requires-python = ">=3.10"
 dependencies = ["numpy>=2.0"]
 
+[tool.khiops]
+khiops-version = "11.0.1-a.2"
+
 [project.optional-dependencies]
 matplotlib = ["matplotlib>=3.8"]
 all = ["matplotlib>=3.8"]
 
-
 [dependency-groups]
 dev = [
     "pytest>=8.3",
@@ -25,8 +29,8 @@ dev = [
 ]
 
 [build-system]
-requires = ["hatchling>=1.25"]
-build-backend = "hatchling.build"
+requires = ["scikit-build-core>=0.11.6", "ninja"]
+build-backend = "scikit_build_core.build"
 
 [tool.pytest.ini_options]
 addopts = "-n 4 --cov --cov-report term-missing --durations=10"
@@ -42,7 +46,6 @@ ignore-regex = 'https://([\w/\.])+'
 quiet-level = 3
 
 [tool.ruff]
-
 # Group violations by containing file.
 output-format = "grouped"
 line-length = 88
@@ -52,7 +55,7 @@ indent-width = 4
 fix = true
 
 # Exclude a variety of commonly ignored directories.
-extend-exclude = ["src/khiops"]
+extend-exclude = ["scripts", "docs", "sandbox", ".github"]
 
 [tool.ruff.format]
 # Like Black, use double quotes for strings.
@@ -70,5 +73,33 @@ ignore = [
     "E402", # module level import not at top of file
 ]
 
-[tool.pyrefly]
-project-excludes = ["src/khiops"]
+[tool.scikit-build]
+wheel.py-api = "py3"             # We specify full compatibility with all Python 3 releases
+cmake.version = "CMakeLists.txt" # Read CMake minimal version from file
+cmake.args = ["-G", "Ninja"]     # Generator specification and build configuration
+
+# CMake variables
+# Build khisto binary in Release mode for better performance, as it is not intended for debugging
+cmake.define.CMAKE_BUILD_TYPE = "Release"
+# Options
+cmake.define.MPI = false
+cmake.define.TESTING = false
+cmake.define.BUILD_LEX_YACC = false
+cmake.define.BUILD_JARS = false
+cmake.define.GENERATE_VIEWS = false
+cmake.define.C11 = true
+ninja.make-fallback = false
+build.targets = ["khisto"]      # Build only khisto
+install.components = ["KHISTO"] # Only install KHISTO component in wheel
+
+[tool.cibuildwheel]
+build = "cp310-*"
+skip = "*musllinux*"       # Khiops does not compile when using musl as the C standard library
+archs = "auto64"           # Do not build 32-bit wheels
+
+# Install build-time dependencies in containers created by cibuildwheel
+# This is compatible with Debian-like and Fedora-like distributions
+[tool.cibuildwheel.linux]
+before-all = [
+    "apt-get install -y ninja-build || dnf install -y ninja-build"
+]

scripts/check-obsolete-copyright.py

@@ -0,0 +1,67 @@
+# Copyright (c) 2025-2026 Orange. All rights reserved.
+# This software is distributed under the BSD 3-Clause-clear License, the text of which is available
+# at https://spdx.org/licenses/BSD-3-Clause-Clear.html or see the "LICENSE" file for more details.
+
+"""Updates the copyright notice of the input files"""
+
+import argparse
+import os
+import sys
+from datetime import datetime
+
+# Constants to check the presence of obsolete copyright
+copyright_prefix = bytes("(c) 2025-", encoding="ascii")
+valid_copyright = bytes(f"(c) 2025-{datetime.today().year} Orange", encoding="ascii")
+
+# List of special files
+special_files = ["LICENSE"]
+
+
+def main(args):
+    """Main method"""
+    # Check obsolete copyright
+    valid_copyright = True
+    for file_path in args.file_paths:
+        if test_obsolete_copyright(file_path):
+            print(f"Copyright notice must be updated in {file_path}")
+            valid_copyright = False
+
+    # Set the return code
+    return_code = 0
+    if not valid_copyright:
+        return_code = 1
+
+    return return_code
+
+
+def test_obsolete_copyright(file_path):
+    """Check if a special file contains an obsolete copyright notice"""
+
+    basename = os.path.basename(file_path)
+    if basename in special_files:
+        # Read the lines from the source file
+        with open(file_path, "rb") as file:
+            lines = file.readlines()
+
+        # Check copyright
+        for n, line in enumerate(lines):
+            line = line.rstrip()
+            if copyright_prefix in line and valid_copyright not in line:
+                return True
+    # Obsolete copyright not found
+    return False
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        prog="python check-obsolete-copyright.py",
+        formatter_class=argparse.RawTextHelpFormatter,
+        description="Checks the presence of an obsolete copyright notice of the input files",
+    )
+    parser.add_argument(
+        "file_paths",
+        metavar="FILE",
+        nargs="+",
+        help="One or more source files",
+    )
+    sys.exit(main(parser.parse_args()))