create setup.py for partio

.gitignore

@@ -22,3 +22,5 @@
 *.log
 *~
 workspace.mel
+.vscode/
+build_partio/

setup.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+# -*- coding:utf-8 -*-
+
+from setuptools import setup
+from cmake_build_extension import BuildExtension, CMakeExtension
+import shutil
+import subprocess
+from pathlib import Path
+import os
+
+
+# create the output dirs
+os.makedirs("build_partio/src/py", exist_ok=True)
+
+PARTIO_EXT =  CMakeExtension(
+    name="partio",
+    install_prefix="partio",
+    source_dir=".",
+    cmake_configure_options=[
+    ],
+)
+
+class BuildPartioExtension(BuildExtension):
+    def __init__(self, *args, **kwars) -> None:
+        super().__init__(*args, **kwars)
+
+    def run(self) -> None:
+        super().run()
+        if shutil.which("patchelf") is None:
+            raise RuntimeError("Required command 'patchelf' not found")
+
+    def build_extension(self, ext: CMakeExtension) -> None:
+        self.build_temp = "build"
+        super().build_extension(ext)
+        # Get the absolute path to the build folder
+        build_folder = str(Path(".").absolute() / f"{self.build_temp}_{ext.name}")
+        shared_object_path = os.path.join(build_folder, "src", "py", "_partio.so")
+        # directly set the path of the shared object into the shared object created from swig
+        patch_command = [
+            "patchelf", 
+            "--replace-needed", 
+            "libpartio.so.1", 
+            f"{build_folder}/src/lib/libpartio.so.1", 
+            shared_object_path
+        ]
+        print("Patching shared obbject to directly include the libpartio file")
+        print(f" => {patch_command}")
+        subprocess.check_call(patch_command)
+
+setup(
+    name='partio',
+    description='A Python wrapper for partio',
+    packages=[],
+    package_dir={'': 'build_partio/src/py'},
+    ext_modules=[PARTIO_EXT],
+    cmdclass={
+        'build_ext': BuildPartioExtension
+    },
+    install_requires=["cmake-build-extension"],
+    python_requires='>=3.4',
+
+)