feat(pybind11): added infra to compile with pybind11

build-python/meson.build

@@ -0,0 +1,17 @@
+# --- Python Extension Setup ---
+py_installation = import('python').find_installation('python3')
+
+py_mod = py_installation.extension_module(
+    'fourdsse_bindings', # Name of the generated .so/.pyd file (without extension)
+    sources: [
+        meson.project_source_root() + '/src/python/composition/bindings.cpp',
+    ],
+    dependencies : [
+        pybind11_dep,
+        composition_dep,
+        species_weight_dep
+    ],
+    cpp_args : ['-UNDEBUG'], # Example: Ensure assertions are enabled if needed
+    install : true,
+    subdir: 'fourdstar' # Optional: Install the module inside a 'fourdsse' Python package directory
+)

pyproject.toml

@@ -0,0 +1,16 @@
+[build-system]
+requires = [
+    "meson-python>=0.15.0", # Use a recent version
+    "meson>=1.6.0",        # Specify your Meson version requirement
+    "pybind11>=2.10"       # pybind11 headers needed at build time
+]
+build-backend = "mesonpy"
+
+[project]
+name = "fourdstar"  # Choose your Python package name
+version = "0.1.0" # Your project's version
+description = "Python interface for the 4DSSE C++ project"
+readme = "Readme.md"
+license = { file = "LICENSE.txt" } # Reference your license file [cite: 2]
+# Add authors, classifiers, URLs etc. as needed
+# See: https://packaging.python.org/en/latest/specifications/declaring-project-metadata/

subprojects/pybind11.wrap

@@ -0,0 +1,13 @@
+[wrap-file]
+directory = pybind11-2.13.5
+source_url = https://github.com/pybind/pybind11/archive/refs/tags/v2.13.5.tar.gz
+source_filename = pybind11-2.13.5.tar.gz
+source_hash = b1e209c42b3a9ed74da3e0b25a4f4cd478d89d5efbb48f04b277df427faf6252
+patch_filename = pybind11_2.13.5-1_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/pybind11_2.13.5-1/get_patch
+patch_hash = ecb031b830481560b3d8487ed63ba4f5509a074be42f5d19af64d844c795e15b
+source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/pybind11_2.13.5-1/pybind11-2.13.5.tar.gz
+wrapdb_version = 2.13.5-1
+
+[provide]
+pybind11 = pybind11_dep