fix setup.py to not use distutils (as it has been removed in python 3…

….12)

.github/workflows/python.yml

@@ -31,7 +31,7 @@ jobs:
  - name: dependencies (MacOS)
  if: runner.os == 'macOS'
  run: |
- brew install boost-build boost boost-python3 python@3.12 openssl@1.1
+ brew install boost-build boost boost-python3 python@3.12 openssl@1.1 python-setuptools
  export PATH=$(brew --prefix)/opt/python@3.12/bin:$PATH
 
  - name: update package lists (linux)

bindings/python/setup.py

@@ -1,14 +1,9 @@
 #!/usr/bin/env python3
 
 import contextlib
-from distutils import log
-import distutils.cmd
-import distutils.command.install_data as install_data_lib
-import distutils.debug
-import distutils.errors
-import distutils.sysconfig
 import functools
 import itertools
+import logging as log
 import os
 import pathlib
 import re
@@ -75,11 +70,11 @@ def b2_version() -> Tuple[int, ...]:
 class B2Distribution(setuptools.Distribution):
  def reinitialize_command(
  self, command: str, reinit_subcommands: int = 0
- ) -> distutils.cmd.Command:
+ ) -> setuptools.Command:
  if command == "build_ext":
- return cast(distutils.cmd.Command, self.get_command_obj("build_ext"))
+ return cast(setuptools.Command, self.get_command_obj("build_ext"))
  return cast(
- distutils.cmd.Command,
+ setuptools.Command,
  super().reinitialize_command(
  command, reinit_subcommands=reinit_subcommands
  ),
@@ -155,13 +150,11 @@ def write_b2_python_config(
  # other words we apply debian's override everywhere, and hope no other
  # overrides ever disagree with us.
 
- # Note that sysconfig and distutils.sysconfig disagree here, especially on
- # windows.
- ext_suffix = distutils.sysconfig.get_config_var("EXT_SUFFIX")
+ ext_suffix = sysconfig.get_config_var("EXT_SUFFIX")
  ext_suffix = str(ext_suffix or "")
 
  # python.jam appends the platform-specific final suffix on its own. I can't
- # find a consistent value from sysconfig or distutils.sysconfig for this.
+ # find a consistent value from sysconfig for this.
  for plat_suffix in (".pyd", ".dll", ".so", ".sl"):
  if ext_suffix.endswith(plat_suffix):
  ext_suffix = ext_suffix[: -len(plat_suffix)]
@@ -271,7 +264,7 @@ def finalize_options(self) -> None:
  super().finalize_options()
 
  if self.config_mode not in self.CONFIG_MODES:
- raise distutils.errors.DistutilsOptionError(
+ raise setuptools.errors.DistutilsOptionError(
  f"--config-mode must be one of {self.CONFIG_MODES}"
  )
 
@@ -382,10 +375,10 @@ def _configure_b2_with_distutils(self) -> Iterator[None]:
  if os.name == "nt":
  self._maybe_add_arg("--abbreviate-paths")
 
- if distutils.debug.DEBUG:
- self._maybe_add_arg("--debug-configuration")
- self._maybe_add_arg("--debug-building")
- self._maybe_add_arg("--debug-generators")
+ # if distutils.debug.DEBUG:
+ # self._maybe_add_arg("--debug-configuration")
+ # self._maybe_add_arg("--debug-building")
+ # self._maybe_add_arg("--debug-generators")
 
  if sys.platform == "darwin":
  # boost.build defaults to toolset=clang on mac. However python.jam
@@ -411,7 +404,7 @@ def _configure_b2_with_distutils(self) -> Iterator[None]:
  # macOS uses multi-arch binaries. Attempt to match the
  # configuration of the running python by translating distutils
  # platform modes to b2 architecture modes
- machine = distutils.util.get_platform().split("-")[-1]
+ machine = sysconfig.get_platform().split("-")[-1]
  if machine == "arm64":
  self._maybe_add_arg("architecture=arm")
  elif machine in ("ppc", "ppc64"):
@@ -500,21 +493,6 @@ def _find_project_config(self) -> Optional[pathlib.Path]:
  return None
 
 
-class InstallDataToLibDir(install_data_lib.install_data):
- def finalize_options(self) -> None:
- # install_data installs to the *base* directory, which is useless.
- # Nothing ever gets installed there, no tools search there. You could
- # only make use of it by manually picking the right install paths.
- # This instead defaults the "install_dir" option to be "install_lib",
- # which is "where packages are normally installed".
- self.set_undefined_options(
- "install",
- ("install_lib", "install_dir"), # note "install_lib"
- ("root", "root"),
- ("force", "force"),
- )
-
-
 def find_all_files(path: str) -> Iterator[str]:
  for dirpath, _, filenames in os.walk(path):
  for filename in filenames:
@@ -532,7 +510,6 @@ def find_all_files(path: str) -> Iterator[str]:
  ext_modules=[StubExtension("libtorrent.__init__")],
  cmdclass={
  "build_ext": LibtorrentBuildExt,
- "install_data": InstallDataToLibDir,
  },
  distclass=B2Distribution,
  data_files=[