python bindings: Fully remove distutils and pkg_resources

.github/workflows/CITest.yml

@@ -29,15 +29,6 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - {
-              name: 'ubuntu-20.04 x64 python3.6 cmake',
-              os: ubuntu-20.04,
-              arch: x64,
-              python-arch: x64,
-              python-version: '3.6',
-              build-system: 'cmake',
-              enable-asan: 'OFF'
-            }
           - {
               name: 'ubuntu-22.04 x64 python3.9 make',
               os: ubuntu-22.04,
@@ -74,6 +65,14 @@ jobs:
               build-system: 'cmake',
               enable-asan: 'ON'
             }
+          - {
+              name: 'ubuntu-22.04 x64 python3.12 cmake',
+              os: ubuntu-22.04,
+              arch: x64,
+              python-arch: x64,
+              python-version: '3.12',
+              build-system: 'cmake',
+            }
 
     steps:
     - uses: actions/checkout@v3
@@ -177,6 +176,7 @@ jobs:
     - name: run python binding test
       if: matrix.config.enable-asan == 'OFF'
       run: |
+        pip install --upgrade setuptools
         cp libcapstone.* bindings/python/prebuilt
         cd bindings/python
         make install

.github/workflows/fuzz.yml

@@ -21,3 +21,5 @@ jobs:
       with:
         name: artifacts
         path: ./out/artifacts
+      - name: Install Python Dependencies
+        run: python -m pip install --upgrade setuptools build wheel

bindings/python/capstone/__init__.py

@@ -385,7 +385,8 @@
 import ctypes, ctypes.util
 from os.path import split, join, dirname
 import sysconfig
-import pkg_resources
+from importlib import resources
+from pathlib import PurePath
 
 import inspect
 if not hasattr(sys.modules[__name__], '__file__'):
@@ -415,17 +416,17 @@ def _load_lib(path):
 
 # Loading attempts, in order
 # - user-provided environment variable
-# - pkg_resources can get us the path to the local libraries
+# - importlib.resources can get us the path to the local libraries
 # - we can get the path to the local libraries by parsing our filename
 # - global load
 # - python's lib directory
 # - last-gasp attempt at some hardcoded paths on darwin and linux
 
 _path_list = [os.getenv('LIBCAPSTONE_PATH', None),
-              pkg_resources.resource_filename(__name__, 'lib'),
+              resources.files(__name__) / "lib",
               join(split(__file__)[0], 'lib'),
               '',
-              sysconfig.get_path('platlib'),
+              PurePath(sysconfig.get_path('platlib')),
               "/usr/local/lib/" if sys.platform == 'darwin' else '/usr/lib64']
 
 for _path in _path_list:

bindings/python/pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"

bindings/python/setup.py

@@ -6,13 +6,16 @@
 import sys
 import platform
 
-from distutils import log
+import logging
 from setuptools import setup
-from distutils.util import get_platform
-from distutils.command.build import build
-from distutils.command.sdist import sdist
+from sysconfig import get_platform
+from setuptools.command.build import build
+from setuptools.command.sdist import sdist
 from setuptools.command.bdist_egg import bdist_egg
 
+logger = logging.getLogger(__name__)
+logging.basicConfig(level=logging.INFO)
+
 SYSTEM = sys.platform
 
 # adapted from commit e504b81 of Nguyen Tan Cong
@@ -102,7 +105,7 @@ def copy_sources():
 
     for filename in src:
         outpath = os.path.join(SRC_DIR, os.path.basename(filename))
-        log.info("%s -> %s" % (filename, outpath))
+        logger.info("%s -> %s" % (filename, outpath))
         shutil.copy(filename, outpath)
 
 def build_libraries():
@@ -123,7 +126,7 @@ def build_libraries():
     # if prebuilt libraries are available, use those and cancel build
     if os.path.exists(os.path.join(ROOT_DIR, 'prebuilt', LIBRARY_FILE)) and \
             (not STATIC_LIBRARY_FILE or os.path.exists(os.path.join(ROOT_DIR, 'prebuilt', STATIC_LIBRARY_FILE))):
-        log.info('Using prebuilt libraries')
+        logger.info('Using prebuilt libraries')
         shutil.copy(os.path.join(ROOT_DIR, 'prebuilt', LIBRARY_FILE), LIBS_DIR)
         if STATIC_LIBRARY_FILE is not None:
             shutil.copy(os.path.join(ROOT_DIR, 'prebuilt', STATIC_LIBRARY_FILE), LIBS_DIR)
@@ -167,9 +170,9 @@ def run(self):
 class custom_build(build):
     def run(self):
         if 'LIBCAPSTONE_PATH' in os.environ:
-            log.info('Skipping building C extensions since LIBCAPSTONE_PATH is set')
+            logger.info('Skipping building C extensions since LIBCAPSTONE_PATH is set')
         else:
-            log.info('Building C extensions')
+            logger.info('Building C extensions')
             build_libraries()
         return build.run(self)
 
@@ -191,7 +194,7 @@ def dummy_src():
     from setuptools.command.develop import develop
     class custom_develop(develop):
         def run(self):
-            log.info("Building C extensions")
+            logger.info("Building C extensions")
             build_libraries()
             return develop.run(self)
 
@@ -218,7 +221,7 @@ def run(self):
     url='https://www.capstone-engine.org',
     long_description=open('README.txt', encoding="utf8").read(),
     long_description_content_type='text/markdown',
-    python_requires='>=3.6',
+    python_requires='>=3.7',
     classifiers=[
         'License :: OSI Approved :: BSD License',
         'Programming Language :: Python :: 3',