#16: bindings: Continue cmake build backend for setup.py

setup.py

@@ -1,24 +1,21 @@
-import os
-import re
+from setuptools import setup, Extension
+from setuptools.command.build_ext import build_ext
 import subprocess
+import os
 import sys
-from setuptools import setup, Extension, find_packages
-from setuptools.command.build_ext import build_ext
-
 
 class CMakeExtension(Extension):
   def __init__(self, name, sourcedir=''):
     Extension.__init__(self, name, sources=[])
     self.sourcedir = os.path.abspath(sourcedir)
 
-
 class CMakeBuild(build_ext):
   def run(self):
     try:
       out = subprocess.check_output(['cmake', '--version'])
     except OSError:
-      raise RuntimeError("CMake must be installed to build the following extensions: " +
-                 ", ".join(e.name for e in self.extensions))
+      raise RuntimeError('CMake must be installed to build the following extensions: ' +
+                 ', '.join(e.name for e in self.extensions))
 
     for ext in self.extensions:
       self.build_extension(ext)
@@ -31,11 +28,13 @@ def build_extension(self, ext):
     cfg = 'Debug' if self.debug else 'Release'
     build_args = ['--config', cfg]
 
-    if not os.path.exists(self.build_temp):
-      os.makedirs(self.build_temp)
-
-    subprocess.check_call(['cmake', ext.sourcedir] + cmake_args, cwd=self.build_temp)
-    subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)
+    # Assuming the CMakeLists.txt is in the root of the project directory
+    os.chdir(ext.sourcedir)
+    self.spawn(['cmake', ext.sourcedir] + cmake_args)
+    if not self.dry_run:
+      self.spawn(['cmake', '--build', '.', '--target', ext.name] + build_args)
+    # Returning to the previous directory
+    os.chdir(self.distribution.get_fullname())
 
 
 setup(
@@ -46,10 +45,7 @@ def build_extension(self, ext):
   url='https://github.com/DARMA-tasking/vt-tv',
   description='Virtual Transport Task Visualizer',
   long_description='',
-  ext_modules=ext_modules,
-  setup_requires=['nanobind>=1.3.2', 'cmake>=3.17.0'],
-  packages=find_packages(),
-  ext_modules=[CMakeExtension('vttv', 'bindings/python')],
+  ext_modules=[CMakeExtension('vttv', sourcedir='.')],
   cmdclass=dict(build_ext=CMakeBuild),
   zip_safe=False,
 )