[cdd/setup.py] Add support for Python 3.12

setup.py

@@ -5,15 +5,86 @@
     extracts the `__author__` and `__version__`
 """
 
+import sys
 from ast import Assign, Constant, Str, parse
-from distutils.sysconfig import get_python_lib
 from functools import partial
 from operator import attrgetter
 from os import path
 from os.path import extsep
 
 from setuptools import find_packages, setup
 
+if sys.version_info[:2] >= (3, 12):
+    import os
+    from sysconfig import _BASE_EXEC_PREFIX as BASE_EXEC_PREFIX
+    from sysconfig import _BASE_PREFIX as BASE_PREFIX
+    from sysconfig import _EXEC_PREFIX as EXEC_PREFIX
+    from sysconfig import _PREFIX as PREFIX
+    from sysconfig import get_python_version
+
+    def is_virtual_environment():
+        """
+        Whether one is in a virtual environment
+        """
+        return sys.base_prefix != sys.prefix or hasattr(sys, "real_prefix")
+
+    def get_python_lib(plat_specific=0, standard_lib=0, prefix=None):
+        """Return the directory containing the Python library (standard or
+        site additions).
+
+        If 'plat_specific' is true, return the directory containing
+        platform-specific modules, i.e. any module from a non-pure-Python
+        module distribution; otherwise, return the platform-shared library
+        directory.  If 'standard_lib' is true, return the directory
+        containing standard Python library modules; otherwise, return the
+        directory for site-specific modules.
+
+        If 'prefix' is supplied, use it instead of sys.base_prefix or
+        sys.base_exec_prefix -- i.e., ignore 'plat_specific'.
+        """
+        is_default_prefix = not prefix or os.path.normpath(prefix) in (
+            "/usr",
+            "/usr/local",
+        )
+        if prefix is None:
+            if standard_lib:
+                prefix = plat_specific and BASE_EXEC_PREFIX or BASE_PREFIX
+            else:
+                prefix = plat_specific and EXEC_PREFIX or PREFIX
+
+        if os.name == "posix":
+            if plat_specific or standard_lib:
+                # Platform-specific modules (any module from a non-pure-Python
+                # module distribution) or standard Python library modules.
+                libdir = sys.platlibdir
+            else:
+                # Pure Python
+                libdir = "lib"
+            libpython = os.path.join(prefix, libdir, "python" + get_python_version())
+            if standard_lib:
+                return libpython
+            elif is_default_prefix and not is_virtual_environment():
+                return os.path.join(prefix, "lib", "python3", "dist-packages")
+            else:
+                return os.path.join(libpython, "site-packages")
+        elif os.name == "nt":
+            if standard_lib:
+                return os.path.join(prefix, "Lib")
+            else:
+                return os.path.join(prefix, "Lib", "site-packages")
+        else:
+
+            class DistutilsPlatformError(Exception):
+                """DistutilsPlatformError"""
+
+            raise DistutilsPlatformError(
+                "I don't know where Python installs its library "
+                "on platform '%s'" % os.name
+            )
+
+else:
+    from distutils.sysconfig import get_python_lib
+
 package_name = "cdd"
 
 with open(