Meson

.github/workflows/coverage.yml

@@ -2,8 +2,6 @@ name: Coverage
 
 on:
   pull_request:
-  push:
-    branch: [main]
     paths-ignore:
       - 'docs/**'
       - '*.rst'
@@ -30,13 +28,17 @@ jobs:
       with:
         python-version: 3.11
     - run: python -m pip install --upgrade pip
-    - run: python -m pip install --prefer-binary coveralls
-    - run: python -m pip install --prefer-binary -e .[test]
+    # we need the unreleased meson-python version for editable build support
+    - run: python -m pip install --upgrade ninja pybind11 git+https://github.com/mesonbuild/meson-python.git
+    - run: python -m pip install --prefer-binary --no-build-isolation -v -e .[test]
+    - if: failure()
+      run: cat .mesonpy/editable/build/meson-logs/meson-log.txt
     - run: coverage run -m pytest
     - uses: ts-graphviz/setup-graphviz@v1
     - run: coverage run --append -m pytest
     - run: python -m pip uninstall --yes particle
     - run: coverage run --append -m pytest
+    - run: python -m pip install --prefer-binary coveralls
     - run: coveralls --service=github
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -31,3 +31,7 @@ docs/examples/modified_event.dat
 tests/fig/*
 tests/data/*_pdf.png
 tests/data/*_svg.png
+subprojects/*
+!subprojects/*.wrap
+!subprojects/packagefiles
+.mesonpy*

.gitmodules

@@ -1,12 +1,3 @@
-[submodule "extern/pybind11"]
-	path = extern/pybind11
-	url = https://github.com/pybind/pybind11.git
 [submodule "extern/HepMC3"]
 	path = extern/HepMC3
 	url = https://gitlab.cern.ch/hepmc/HepMC3.git
-[submodule "extern/mp11"]
-	path = extern/mp11
-	url = https://github.com/boostorg/mp11.git
-[submodule "extern/cpp-member-accessor"]
-	path = extern/cpp-member-accessor
-	url = https://github.com/hliberacki/cpp-member-accessor.git

get_pybind11_include.py

@@ -0,0 +1,11 @@
+import pybind11
+import os
+from pathlib import Path
+
+p = Path(pybind11.get_include())
+try:
+    p = p.relative_to(os.environ.get("MESON_SOURCE_ROOT", os.getcwd()))
+except ValueError:
+    pass
+
+print(p)

meson.build

@@ -0,0 +1,107 @@
+project(
+    'pyhepmc', 'cpp',
+    license: 'BSD-3',
+    default_options: [
+        'cpp_std=c++14',
+        # for release mode
+        # 'b_lto=true',
+        # 'b_lto_mode=thin',
+    ]
+)
+
+accessor = dependency('cpp-member-accessor')
+mp11 = dependency('boost-mp11')
+# hepmc3 = dependency('hepmc3', static:true).as_link_whole()
+
+py = import('python').find_installation(pure: false)
+
+# pybind11 include directory - needed in several submodules.
+# We have to use get_pybind11_include to work around a stupid
+# Meson restriction when installing from a venv created inside
+# the project directory.
+incdir_pybind11 = run_command(py,
+    ['get_pybind11_include.py'],
+    check: true
+).stdout().strip()
+
+inc_pybind11 = include_directories(incdir_pybind11)
+
+cpp = meson.get_compiler('cpp')
+
+inc_hepmc3 = include_directories('extern/HepMC3/include')
+
+src_hepmc3 = files([
+    'extern/HepMC3/src/GenCrossSection.cc',
+    'extern/HepMC3/src/GenEvent.cc',
+    'extern/HepMC3/src/GenHeavyIon.cc',
+    'extern/HepMC3/src/GenParticle.cc',
+    'extern/HepMC3/src/GenPdfInfo.cc',
+    'extern/HepMC3/src/GenRunInfo.cc',
+    'extern/HepMC3/src/GenVertex.cc',
+    'extern/HepMC3/src/HEPEVT_Wrapper.cc',
+    'extern/HepMC3/src/LHEFAttributes.cc',
+    'extern/HepMC3/src/Print.cc',
+    'extern/HepMC3/src/ReaderAscii.cc',
+    'extern/HepMC3/src/ReaderAsciiHepMC2.cc',
+    'extern/HepMC3/src/ReaderHEPEVT.cc',
+    'extern/HepMC3/src/ReaderLHEF.cc',
+    'extern/HepMC3/src/ReaderPlugin.cc',
+    'extern/HepMC3/src/Setup.cc',
+    'extern/HepMC3/src/WriterAscii.cc',
+    'extern/HepMC3/src/WriterAsciiHepMC2.cc',
+    'extern/HepMC3/src/WriterHEPEVT.cc',
+    'extern/HepMC3/src/WriterPlugin.cc',
+])
+
+# Installing shared library along with Python extension is currently not
+# supported by meson-python for all platforms (currently only Linux)
+# hepmc3 = library('hepmc3', src_hepmc3,
+#     include_directories: inc_hepmc3,
+#     cpp_args: ['-DHepMC3_EXPORTS=1'] + cpp.get_supported_arguments(
+#         '-Wno-deprecated-declarations',
+#         '-Wno-strict-aliasing',
+#     ),
+#     install=true
+# )
+
+src_core = files([
+    'src/attribute_conversion.cpp',
+    'src/attributes_view.cpp',
+    'src/core.cpp',
+    'src/crosssection_patches.cpp',
+    'src/equal.cpp',
+    'src/from_hepevt.cpp',
+    'src/io.cpp',
+    'src/pyiostream.cpp',
+    'src/repr.cpp',
+    'src/runinfo_attributes_view.cpp',
+])
+
+py.extension_module(
+    '_core', src_core + src_hepmc3,
+    include_directories: [inc_pybind11, inc_hepmc3],
+    dependencies: [
+        mp11,
+        accessor,
+    ],
+    cpp_args: ['-DHepMC3_EXPORTS=1'] + cpp.get_supported_arguments(
+        '-Wno-self-assign-overloaded',
+        '-Wno-deprecated-declarations',
+        '-Wno-strict-aliasing'),
+    subdir: 'pyhepmc',
+    install: true
+)
+
+py.install_sources(
+    'src/pyhepmc/__init__.py',
+    'src/pyhepmc/_attributes.py',
+    'src/pyhepmc/_autodoc.py',
+    'src/pyhepmc/_deprecated.py',
+    'src/pyhepmc/_doc.py',
+    'src/pyhepmc/_graphviz.py',
+    'src/pyhepmc/_prettify.py',
+    'src/pyhepmc/_setup.py',
+    'src/pyhepmc/io.py',
+    'src/pyhepmc/view.py',
+    subdir: 'pyhepmc'
+)

pyproject.toml

@@ -1,14 +1,14 @@
 [build-system]
 requires = [
-    "setuptools>=46.4",
-    "setuptools_scm[toml]>=6.2",
-    "cmake>=3.13",
-    "wheel"
+    "meson-python",
+    "ninja",
+    "pybind11",
 ]
-build-backend = "setuptools.build_meta"
+build-backend = "mesonpy"
 
 [project]
 name = "pyhepmc"
+version = "2.10.0.dev"
 description = "Pythonic interface to the HepMC3 C++ library licensed under LGPL-v3."
 maintainers = [
     { name = "Hans Dembinski" },
@@ -28,7 +28,6 @@ classifiers = [
     "Intended Audience :: Developers"
 ]
 dependencies = ["numpy"]
-dynamic = ["version"]
 
 [project.urls]
 repository = "https://github.com/scikit-hep/pyhepmc"
@@ -37,6 +36,7 @@ documentation = "https://scikit-hep.org/pyhepmc"
 [project.optional-dependencies]
 test = [
     "pytest",
+    "pytest-cov",
     "particle",
     "matplotlib"
 ]

quote.py

@@ -0,0 +1,6 @@
+#!python3
+import sys
+
+
+for line in sorted(sys.stdin.readlines()):
+    print(f"'{line.strip()}',")