Add files using upload-large-folder tool

python/Lib/site-packages/setuptools/_distutils/command/__init__.py

@@ -0,0 +1,23 @@
+"""distutils.command
+
+Package containing implementation of all the standard Distutils
+commands."""
+
+__all__ = [
+    'build',
+    'build_py',
+    'build_ext',
+    'build_clib',
+    'build_scripts',
+    'clean',
+    'install',
+    'install_lib',
+    'install_headers',
+    'install_scripts',
+    'install_data',
+    'sdist',
+    'bdist',
+    'bdist_dumb',
+    'bdist_rpm',
+    'check',
+]

python/Lib/site-packages/setuptools/_distutils/command/_framework_compat.py

@@ -0,0 +1,54 @@
+"""
+Backward compatibility for homebrew builds on macOS.
+"""
+
+import functools
+import os
+import subprocess
+import sys
+import sysconfig
+
+
+@functools.lru_cache
+def enabled():
+    """
+    Only enabled for Python 3.9 framework homebrew builds
+    except ensurepip and venv.
+    """
+    PY39 = (3, 9) < sys.version_info < (3, 10)
+    framework = sys.platform == 'darwin' and sys._framework
+    homebrew = "Cellar" in sysconfig.get_config_var('projectbase')
+    venv = sys.prefix != sys.base_prefix
+    ensurepip = os.environ.get("ENSUREPIP_OPTIONS")
+    return PY39 and framework and homebrew and not venv and not ensurepip
+
+
+schemes = dict(
+    osx_framework_library=dict(
+        stdlib='{installed_base}/{platlibdir}/python{py_version_short}',
+        platstdlib='{platbase}/{platlibdir}/python{py_version_short}',
+        purelib='{homebrew_prefix}/lib/python{py_version_short}/site-packages',
+        platlib='{homebrew_prefix}/{platlibdir}/python{py_version_short}/site-packages',
+        include='{installed_base}/include/python{py_version_short}{abiflags}',
+        platinclude='{installed_platbase}/include/python{py_version_short}{abiflags}',
+        scripts='{homebrew_prefix}/bin',
+        data='{homebrew_prefix}',
+    )
+)
+
+
+@functools.lru_cache
+def vars():
+    if not enabled():
+        return {}
+    homebrew_prefix = subprocess.check_output(['brew', '--prefix'], text=True).strip()
+    return locals()
+
+
+def scheme(name):
+    """
+    Override the selected scheme for posix_prefix.
+    """
+    if not enabled() or not name.endswith('_prefix'):
+        return name
+    return 'osx_framework_library'

python/Lib/site-packages/setuptools/_distutils/command/bdist.py

@@ -0,0 +1,167 @@
+"""distutils.command.bdist
+
+Implements the Distutils 'bdist' command (create a built [binary]
+distribution)."""
+
+from __future__ import annotations
+
+import os
+import warnings
+from collections.abc import Callable
+from typing import TYPE_CHECKING, ClassVar
+
+from ..core import Command
+from ..errors import DistutilsOptionError, DistutilsPlatformError
+from ..util import get_platform
+
+if TYPE_CHECKING:
+    from typing_extensions import deprecated
+else:
+
+    def deprecated(message):
+        return lambda fn: fn
+
+
+def show_formats():
+    """Print list of available formats (arguments to "--format" option)."""
+    from ..fancy_getopt import FancyGetopt
+
+    formats = [
+        ("formats=" + format, None, bdist.format_commands[format][1])
+        for format in bdist.format_commands
+    ]
+    pretty_printer = FancyGetopt(formats)
+    pretty_printer.print_help("List of available distribution formats:")
+
+
+class ListCompat(dict[str, tuple[str, str]]):
+    # adapter to allow for Setuptools compatibility in format_commands
+    @deprecated("format_commands is now a dict. append is deprecated.")
+    def append(self, item: object) -> None:
+        warnings.warn(
+            "format_commands is now a dict. append is deprecated.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+
+
+class bdist(Command):
+    description = "create a built (binary) distribution"
+
+    user_options = [
+        ('bdist-base=', 'b', "temporary directory for creating built distributions"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to embed in generated filenames "
+            f"[default: {get_platform()}]",
+        ),
+        ('formats=', None, "formats for distribution (comma-separated list)"),
+        (
+            'dist-dir=',
+            'd',
+            "directory to put final built distributions in [default: dist]",
+        ),
+        ('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
+        (
+            'owner=',
+            'u',
+            "Owner name used when creating a tar file [default: current user]",
+        ),
+        (
+            'group=',
+            'g',
+            "Group name used when creating a tar file [default: current group]",
+        ),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['skip-build']
+
+    help_options: ClassVar[list[tuple[str, str | None, str, Callable[[], object]]]] = [
+        ('help-formats', None, "lists available distribution formats", show_formats),
+    ]
+
+    # The following commands do not take a format option from bdist
+    no_format_option: ClassVar[tuple[str, ...]] = ('bdist_rpm',)
+
+    # This won't do in reality: will need to distinguish RPM-ish Linux,
+    # Debian-ish Linux, Solaris, FreeBSD, ..., Windows, Mac OS.
+    default_format: ClassVar[dict[str, str]] = {'posix': 'gztar', 'nt': 'zip'}
+
+    # Define commands in preferred order for the --help-formats option
+    format_commands = ListCompat({
+        'rpm': ('bdist_rpm', "RPM distribution"),
+        'gztar': ('bdist_dumb', "gzip'ed tar file"),
+        'bztar': ('bdist_dumb', "bzip2'ed tar file"),
+        'xztar': ('bdist_dumb', "xz'ed tar file"),
+        'ztar': ('bdist_dumb', "compressed tar file"),
+        'tar': ('bdist_dumb', "tar file"),
+        'zip': ('bdist_dumb', "ZIP file"),
+    })
+
+    # for compatibility until consumers only reference format_commands
+    format_command = format_commands
+
+    def initialize_options(self):
+        self.bdist_base = None
+        self.plat_name = None
+        self.formats = None
+        self.dist_dir = None
+        self.skip_build = False
+        self.group = None
+        self.owner = None
+
+    def finalize_options(self) -> None:
+        # have to finalize 'plat_name' before 'bdist_base'
+        if self.plat_name is None:
+            if self.skip_build:
+                self.plat_name = get_platform()
+            else:
+                self.plat_name = self.get_finalized_command('build').plat_name
+
+        # 'bdist_base' -- parent of per-built-distribution-format
+        # temporary directories (eg. we'll probably have
+        # "build/bdist.<plat>/dumb", "build/bdist.<plat>/rpm", etc.)
+        if self.bdist_base is None:
+            build_base = self.get_finalized_command('build').build_base
+            self.bdist_base = os.path.join(build_base, 'bdist.' + self.plat_name)
+
+        self.ensure_string_list('formats')
+        if self.formats is None:
+            try:
+                self.formats = [self.default_format[os.name]]
+            except KeyError:
+                raise DistutilsPlatformError(
+                    "don't know how to create built distributions "
+                    f"on platform {os.name}"
+                )
+
+        if self.dist_dir is None:
+            self.dist_dir = "dist"
+
+    def run(self) -> None:
+        # Figure out which sub-commands we need to run.
+        commands = []
+        for format in self.formats:
+            try:
+                commands.append(self.format_commands[format][0])
+            except KeyError:
+                raise DistutilsOptionError(f"invalid format '{format}'")
+
+        # Reinitialize and run each command.
+        for i in range(len(self.formats)):
+            cmd_name = commands[i]
+            sub_cmd = self.reinitialize_command(cmd_name)
+            if cmd_name not in self.no_format_option:
+                sub_cmd.format = self.formats[i]
+
+            # passing the owner and group names for tar archiving
+            if cmd_name == 'bdist_dumb':
+                sub_cmd.owner = self.owner
+                sub_cmd.group = self.group
+
+            # If we're going to need to run this command again, tell it to
+            # keep its temporary files around so subsequent runs go faster.
+            if cmd_name in commands[i + 1 :]:
+                sub_cmd.keep_temp = True
+            self.run_command(cmd_name)

python/Lib/site-packages/setuptools/_distutils/command/bdist_dumb.py

@@ -0,0 +1,141 @@
+"""distutils.command.bdist_dumb
+
+Implements the Distutils 'bdist_dumb' command (create a "dumb" built
+distribution -- i.e., just an archive to be unpacked under $prefix or
+$exec_prefix)."""
+
+import os
+from distutils._log import log
+from typing import ClassVar
+
+from ..core import Command
+from ..dir_util import ensure_relative, remove_tree
+from ..errors import DistutilsPlatformError
+from ..sysconfig import get_python_version
+from ..util import get_platform
+
+
+class bdist_dumb(Command):
+    description = "create a \"dumb\" built distribution"
+
+    user_options = [
+        ('bdist-dir=', 'd', "temporary directory for creating the distribution"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to embed in generated filenames "
+            f"[default: {get_platform()}]",
+        ),
+        (
+            'format=',
+            'f',
+            "archive format to create (tar, gztar, bztar, xztar, ztar, zip)",
+        ),
+        (
+            'keep-temp',
+            'k',
+            "keep the pseudo-installation tree around after creating the distribution archive",
+        ),
+        ('dist-dir=', 'd', "directory to put final built distributions in"),
+        ('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
+        (
+            'relative',
+            None,
+            "build the archive using relative paths [default: false]",
+        ),
+        (
+            'owner=',
+            'u',
+            "Owner name used when creating a tar file [default: current user]",
+        ),
+        (
+            'group=',
+            'g',
+            "Group name used when creating a tar file [default: current group]",
+        ),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['keep-temp', 'skip-build', 'relative']
+
+    default_format = {'posix': 'gztar', 'nt': 'zip'}
+
+    def initialize_options(self):
+        self.bdist_dir = None
+        self.plat_name = None
+        self.format = None
+        self.keep_temp = False
+        self.dist_dir = None
+        self.skip_build = None
+        self.relative = False
+        self.owner = None
+        self.group = None
+
+    def finalize_options(self):
+        if self.bdist_dir is None:
+            bdist_base = self.get_finalized_command('bdist').bdist_base
+            self.bdist_dir = os.path.join(bdist_base, 'dumb')
+
+        if self.format is None:
+            try:
+                self.format = self.default_format[os.name]
+            except KeyError:
+                raise DistutilsPlatformError(
+                    "don't know how to create dumb built distributions "
+                    f"on platform {os.name}"
+                )
+
+        self.set_undefined_options(
+            'bdist',
+            ('dist_dir', 'dist_dir'),
+            ('plat_name', 'plat_name'),
+            ('skip_build', 'skip_build'),
+        )
+
+    def run(self):
+        if not self.skip_build:
+            self.run_command('build')
+
+        install = self.reinitialize_command('install', reinit_subcommands=True)
+        install.root = self.bdist_dir
+        install.skip_build = self.skip_build
+        install.warn_dir = False
+
+        log.info("installing to %s", self.bdist_dir)
+        self.run_command('install')
+
+        # And make an archive relative to the root of the
+        # pseudo-installation tree.
+        archive_basename = f"{self.distribution.get_fullname()}.{self.plat_name}"
+
+        pseudoinstall_root = os.path.join(self.dist_dir, archive_basename)
+        if not self.relative:
+            archive_root = self.bdist_dir
+        else:
+            if self.distribution.has_ext_modules() and (
+                install.install_base != install.install_platbase
+            ):
+                raise DistutilsPlatformError(
+                    "can't make a dumb built distribution where "
+                    f"base and platbase are different ({install.install_base!r}, {install.install_platbase!r})"
+                )
+            else:
+                archive_root = os.path.join(
+                    self.bdist_dir, ensure_relative(install.install_base)
+                )
+
+        # Make the archive
+        filename = self.make_archive(
+            pseudoinstall_root,
+            self.format,
+            root_dir=archive_root,
+            owner=self.owner,
+            group=self.group,
+        )
+        if self.distribution.has_ext_modules():
+            pyversion = get_python_version()
+        else:
+            pyversion = 'any'
+        self.distribution.dist_files.append(('bdist_dumb', pyversion, filename))
+
+        if not self.keep_temp:
+            remove_tree(self.bdist_dir)

python/Lib/site-packages/setuptools/_distutils/command/bdist_rpm.py

@@ -0,0 +1,597 @@
+"""distutils.command.bdist_rpm
+
+Implements the Distutils 'bdist_rpm' command (create RPM source and binary
+distributions)."""
+
+import os
+import subprocess
+import sys
+from distutils._log import log
+from typing import ClassVar
+
+from ..core import Command
+from ..debug import DEBUG
+from ..errors import (
+    DistutilsExecError,
+    DistutilsFileError,
+    DistutilsOptionError,
+    DistutilsPlatformError,
+)
+from ..file_util import write_file
+from ..sysconfig import get_python_version
+
+
+class bdist_rpm(Command):
+    description = "create an RPM distribution"
+
+    user_options = [
+        ('bdist-base=', None, "base directory for creating built distributions"),
+        (
+            'rpm-base=',
+            None,
+            "base directory for creating RPMs (defaults to \"rpm\" under "
+            "--bdist-base; must be specified for RPM 2)",
+        ),
+        (
+            'dist-dir=',
+            'd',
+            "directory to put final RPM files in (and .spec files if --spec-only)",
+        ),
+        (
+            'python=',
+            None,
+            "path to Python interpreter to hard-code in the .spec file "
+            "[default: \"python\"]",
+        ),
+        (
+            'fix-python',
+            None,
+            "hard-code the exact path to the current Python interpreter in "
+            "the .spec file",
+        ),
+        ('spec-only', None, "only regenerate spec file"),
+        ('source-only', None, "only generate source RPM"),
+        ('binary-only', None, "only generate binary RPM"),
+        ('use-bzip2', None, "use bzip2 instead of gzip to create source distribution"),
+        # More meta-data: too RPM-specific to put in the setup script,
+        # but needs to go in the .spec file -- so we make these options
+        # to "bdist_rpm".  The idea is that packagers would put this
+        # info in setup.cfg, although they are of course free to
+        # supply it on the command line.
+        (
+            'distribution-name=',
+            None,
+            "name of the (Linux) distribution to which this "
+            "RPM applies (*not* the name of the module distribution!)",
+        ),
+        ('group=', None, "package classification [default: \"Development/Libraries\"]"),
+        ('release=', None, "RPM release number"),
+        ('serial=', None, "RPM serial number"),
+        (
+            'vendor=',
+            None,
+            "RPM \"vendor\" (eg. \"Joe Blow <joe@example.com>\") "
+            "[default: maintainer or author from setup script]",
+        ),
+        (
+            'packager=',
+            None,
+            "RPM packager (eg. \"Jane Doe <jane@example.net>\") [default: vendor]",
+        ),
+        ('doc-files=', None, "list of documentation files (space or comma-separated)"),
+        ('changelog=', None, "RPM changelog"),
+        ('icon=', None, "name of icon file"),
+        ('provides=', None, "capabilities provided by this package"),
+        ('requires=', None, "capabilities required by this package"),
+        ('conflicts=', None, "capabilities which conflict with this package"),
+        ('build-requires=', None, "capabilities required to build this package"),
+        ('obsoletes=', None, "capabilities made obsolete by this package"),
+        ('no-autoreq', None, "do not automatically calculate dependencies"),
+        # Actions to take when building RPM
+        ('keep-temp', 'k', "don't clean up RPM build directory"),
+        ('no-keep-temp', None, "clean up RPM build directory [default]"),
+        (
+            'use-rpm-opt-flags',
+            None,
+            "compile with RPM_OPT_FLAGS when building from source RPM",
+        ),
+        ('no-rpm-opt-flags', None, "do not pass any RPM CFLAGS to compiler"),
+        ('rpm3-mode', None, "RPM 3 compatibility mode (default)"),
+        ('rpm2-mode', None, "RPM 2 compatibility mode"),
+        # Add the hooks necessary for specifying custom scripts
+        ('prep-script=', None, "Specify a script for the PREP phase of RPM building"),
+        ('build-script=', None, "Specify a script for the BUILD phase of RPM building"),
+        (
+            'pre-install=',
+            None,
+            "Specify a script for the pre-INSTALL phase of RPM building",
+        ),
+        (
+            'install-script=',
+            None,
+            "Specify a script for the INSTALL phase of RPM building",
+        ),
+        (
+            'post-install=',
+            None,
+            "Specify a script for the post-INSTALL phase of RPM building",
+        ),
+        (
+            'pre-uninstall=',
+            None,
+            "Specify a script for the pre-UNINSTALL phase of RPM building",
+        ),
+        (
+            'post-uninstall=',
+            None,
+            "Specify a script for the post-UNINSTALL phase of RPM building",
+        ),
+        ('clean-script=', None, "Specify a script for the CLEAN phase of RPM building"),
+        (
+            'verify-script=',
+            None,
+            "Specify a script for the VERIFY phase of the RPM build",
+        ),
+        # Allow a packager to explicitly force an architecture
+        ('force-arch=', None, "Force an architecture onto the RPM build process"),
+        ('quiet', 'q', "Run the INSTALL phase of RPM building in quiet mode"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = [
+        'keep-temp',
+        'use-rpm-opt-flags',
+        'rpm3-mode',
+        'no-autoreq',
+        'quiet',
+    ]
+
+    negative_opt: ClassVar[dict[str, str]] = {
+        'no-keep-temp': 'keep-temp',
+        'no-rpm-opt-flags': 'use-rpm-opt-flags',
+        'rpm2-mode': 'rpm3-mode',
+    }
+
+    def initialize_options(self):
+        self.bdist_base = None
+        self.rpm_base = None
+        self.dist_dir = None
+        self.python = None
+        self.fix_python = None
+        self.spec_only = None
+        self.binary_only = None
+        self.source_only = None
+        self.use_bzip2 = None
+
+        self.distribution_name = None
+        self.group = None
+        self.release = None
+        self.serial = None
+        self.vendor = None
+        self.packager = None
+        self.doc_files = None
+        self.changelog = None
+        self.icon = None
+
+        self.prep_script = None
+        self.build_script = None
+        self.install_script = None
+        self.clean_script = None
+        self.verify_script = None
+        self.pre_install = None
+        self.post_install = None
+        self.pre_uninstall = None
+        self.post_uninstall = None
+        self.prep = None
+        self.provides = None
+        self.requires = None
+        self.conflicts = None
+        self.build_requires = None
+        self.obsoletes = None
+
+        self.keep_temp = False
+        self.use_rpm_opt_flags = True
+        self.rpm3_mode = True
+        self.no_autoreq = False
+
+        self.force_arch = None
+        self.quiet = False
+
+    def finalize_options(self) -> None:
+        self.set_undefined_options('bdist', ('bdist_base', 'bdist_base'))
+        if self.rpm_base is None:
+            if not self.rpm3_mode:
+                raise DistutilsOptionError("you must specify --rpm-base in RPM 2 mode")
+            self.rpm_base = os.path.join(self.bdist_base, "rpm")
+
+        if self.python is None:
+            if self.fix_python:
+                self.python = sys.executable
+            else:
+                self.python = "python3"
+        elif self.fix_python:
+            raise DistutilsOptionError(
+                "--python and --fix-python are mutually exclusive options"
+            )
+
+        if os.name != 'posix':
+            raise DistutilsPlatformError(
+                f"don't know how to create RPM distributions on platform {os.name}"
+            )
+        if self.binary_only and self.source_only:
+            raise DistutilsOptionError(
+                "cannot supply both '--source-only' and '--binary-only'"
+            )
+
+        # don't pass CFLAGS to pure python distributions
+        if not self.distribution.has_ext_modules():
+            self.use_rpm_opt_flags = False
+
+        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))
+        self.finalize_package_data()
+
+    def finalize_package_data(self) -> None:
+        self.ensure_string('group', "Development/Libraries")
+        self.ensure_string(
+            'vendor',
+            f"{self.distribution.get_contact()} <{self.distribution.get_contact_email()}>",
+        )
+        self.ensure_string('packager')
+        self.ensure_string_list('doc_files')
+        if isinstance(self.doc_files, list):
+            for readme in ('README', 'README.txt'):
+                if os.path.exists(readme) and readme not in self.doc_files:
+                    self.doc_files.append(readme)
+
+        self.ensure_string('release', "1")
+        self.ensure_string('serial')  # should it be an int?
+
+        self.ensure_string('distribution_name')
+
+        self.ensure_string('changelog')
+        # Format changelog correctly
+        self.changelog = self._format_changelog(self.changelog)
+
+        self.ensure_filename('icon')
+
+        self.ensure_filename('prep_script')
+        self.ensure_filename('build_script')
+        self.ensure_filename('install_script')
+        self.ensure_filename('clean_script')
+        self.ensure_filename('verify_script')
+        self.ensure_filename('pre_install')
+        self.ensure_filename('post_install')
+        self.ensure_filename('pre_uninstall')
+        self.ensure_filename('post_uninstall')
+
+        # XXX don't forget we punted on summaries and descriptions -- they
+        # should be handled here eventually!
+
+        # Now *this* is some meta-data that belongs in the setup script...
+        self.ensure_string_list('provides')
+        self.ensure_string_list('requires')
+        self.ensure_string_list('conflicts')
+        self.ensure_string_list('build_requires')
+        self.ensure_string_list('obsoletes')
+
+        self.ensure_string('force_arch')
+
+    def run(self) -> None:  # noqa: C901
+        if DEBUG:
+            print("before _get_package_data():")
+            print("vendor =", self.vendor)
+            print("packager =", self.packager)
+            print("doc_files =", self.doc_files)
+            print("changelog =", self.changelog)
+
+        # make directories
+        if self.spec_only:
+            spec_dir = self.dist_dir
+            self.mkpath(spec_dir)
+        else:
+            rpm_dir = {}
+            for d in ('SOURCES', 'SPECS', 'BUILD', 'RPMS', 'SRPMS'):
+                rpm_dir[d] = os.path.join(self.rpm_base, d)
+                self.mkpath(rpm_dir[d])
+            spec_dir = rpm_dir['SPECS']
+
+        # Spec file goes into 'dist_dir' if '--spec-only specified',
+        # build/rpm.<plat> otherwise.
+        spec_path = os.path.join(spec_dir, f"{self.distribution.get_name()}.spec")
+        self.execute(
+            write_file, (spec_path, self._make_spec_file()), f"writing '{spec_path}'"
+        )
+
+        if self.spec_only:  # stop if requested
+            return
+
+        # Make a source distribution and copy to SOURCES directory with
+        # optional icon.
+        saved_dist_files = self.distribution.dist_files[:]
+        sdist = self.reinitialize_command('sdist')
+        if self.use_bzip2:
+            sdist.formats = ['bztar']
+        else:
+            sdist.formats = ['gztar']
+        self.run_command('sdist')
+        self.distribution.dist_files = saved_dist_files
+
+        source = sdist.get_archive_files()[0]
+        source_dir = rpm_dir['SOURCES']
+        self.copy_file(source, source_dir)
+
+        if self.icon:
+            if os.path.exists(self.icon):
+                self.copy_file(self.icon, source_dir)
+            else:
+                raise DistutilsFileError(f"icon file '{self.icon}' does not exist")
+
+        # build package
+        log.info("building RPMs")
+        rpm_cmd = ['rpmbuild']
+
+        if self.source_only:  # what kind of RPMs?
+            rpm_cmd.append('-bs')
+        elif self.binary_only:
+            rpm_cmd.append('-bb')
+        else:
+            rpm_cmd.append('-ba')
+        rpm_cmd.extend(['--define', f'__python {self.python}'])
+        if self.rpm3_mode:
+            rpm_cmd.extend(['--define', f'_topdir {os.path.abspath(self.rpm_base)}'])
+        if not self.keep_temp:
+            rpm_cmd.append('--clean')
+
+        if self.quiet:
+            rpm_cmd.append('--quiet')
+
+        rpm_cmd.append(spec_path)
+        # Determine the binary rpm names that should be built out of this spec
+        # file
+        # Note that some of these may not be really built (if the file
+        # list is empty)
+        nvr_string = "%{name}-%{version}-%{release}"
+        src_rpm = nvr_string + ".src.rpm"
+        non_src_rpm = "%{arch}/" + nvr_string + ".%{arch}.rpm"
+        q_cmd = rf"rpm -q --qf '{src_rpm} {non_src_rpm}\n' --specfile '{spec_path}'"
+
+        out = os.popen(q_cmd)
+        try:
+            binary_rpms = []
+            source_rpm = None
+            while True:
+                line = out.readline()
+                if not line:
+                    break
+                ell = line.strip().split()
+                assert len(ell) == 2
+                binary_rpms.append(ell[1])
+                # The source rpm is named after the first entry in the spec file
+                if source_rpm is None:
+                    source_rpm = ell[0]
+
+            status = out.close()
+            if status:
+                raise DistutilsExecError(f"Failed to execute: {q_cmd!r}")
+
+        finally:
+            out.close()
+
+        self.spawn(rpm_cmd)
+
+        if self.distribution.has_ext_modules():
+            pyversion = get_python_version()
+        else:
+            pyversion = 'any'
+
+        if not self.binary_only:
+            srpm = os.path.join(rpm_dir['SRPMS'], source_rpm)
+            assert os.path.exists(srpm)
+            self.move_file(srpm, self.dist_dir)
+            filename = os.path.join(self.dist_dir, source_rpm)
+            self.distribution.dist_files.append(('bdist_rpm', pyversion, filename))
+
+        if not self.source_only:
+            for rpm in binary_rpms:
+                rpm = os.path.join(rpm_dir['RPMS'], rpm)
+                if os.path.exists(rpm):
+                    self.move_file(rpm, self.dist_dir)
+                    filename = os.path.join(self.dist_dir, os.path.basename(rpm))
+                    self.distribution.dist_files.append((
+                        'bdist_rpm',
+                        pyversion,
+                        filename,
+                    ))
+
+    def _dist_path(self, path):
+        return os.path.join(self.dist_dir, os.path.basename(path))
+
+    def _make_spec_file(self):  # noqa: C901
+        """Generate the text of an RPM spec file and return it as a
+        list of strings (one per line).
+        """
+        # definitions and headers
+        spec_file = [
+            '%define name ' + self.distribution.get_name(),
+            '%define version ' + self.distribution.get_version().replace('-', '_'),
+            '%define unmangled_version ' + self.distribution.get_version(),
+            '%define release ' + self.release.replace('-', '_'),
+            '',
+            'Summary: ' + (self.distribution.get_description() or "UNKNOWN"),
+        ]
+
+        # Workaround for #14443 which affects some RPM based systems such as
+        # RHEL6 (and probably derivatives)
+        vendor_hook = subprocess.getoutput('rpm --eval %{__os_install_post}')
+        # Generate a potential replacement value for __os_install_post (whilst
+        # normalizing the whitespace to simplify the test for whether the
+        # invocation of brp-python-bytecompile passes in __python):
+        vendor_hook = '\n'.join([
+            f'  {line.strip()} \\' for line in vendor_hook.splitlines()
+        ])
+        problem = "brp-python-bytecompile \\\n"
+        fixed = "brp-python-bytecompile %{__python} \\\n"
+        fixed_hook = vendor_hook.replace(problem, fixed)
+        if fixed_hook != vendor_hook:
+            spec_file.append('# Workaround for https://bugs.python.org/issue14443')
+            spec_file.append('%define __os_install_post ' + fixed_hook + '\n')
+
+        # put locale summaries into spec file
+        # XXX not supported for now (hard to put a dictionary
+        # in a config file -- arg!)
+        # for locale in self.summaries.keys():
+        #    spec_file.append('Summary(%s): %s' % (locale,
+        #                                          self.summaries[locale]))
+
+        spec_file.extend([
+            'Name: %{name}',
+            'Version: %{version}',
+            'Release: %{release}',
+        ])
+
+        # XXX yuck! this filename is available from the "sdist" command,
+        # but only after it has run: and we create the spec file before
+        # running "sdist", in case of --spec-only.
+        if self.use_bzip2:
+            spec_file.append('Source0: %{name}-%{unmangled_version}.tar.bz2')
+        else:
+            spec_file.append('Source0: %{name}-%{unmangled_version}.tar.gz')
+
+        spec_file.extend([
+            'License: ' + (self.distribution.get_license() or "UNKNOWN"),
+            'Group: ' + self.group,
+            'BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot',
+            'Prefix: %{_prefix}',
+        ])
+
+        if not self.force_arch:
+            # noarch if no extension modules
+            if not self.distribution.has_ext_modules():
+                spec_file.append('BuildArch: noarch')
+        else:
+            spec_file.append(f'BuildArch: {self.force_arch}')
+
+        for field in (
+            'Vendor',
+            'Packager',
+            'Provides',
+            'Requires',
+            'Conflicts',
+            'Obsoletes',
+        ):
+            val = getattr(self, field.lower())
+            if isinstance(val, list):
+                spec_file.append('{}: {}'.format(field, ' '.join(val)))
+            elif val is not None:
+                spec_file.append(f'{field}: {val}')
+
+        if self.distribution.get_url():
+            spec_file.append('Url: ' + self.distribution.get_url())
+
+        if self.distribution_name:
+            spec_file.append('Distribution: ' + self.distribution_name)
+
+        if self.build_requires:
+            spec_file.append('BuildRequires: ' + ' '.join(self.build_requires))
+
+        if self.icon:
+            spec_file.append('Icon: ' + os.path.basename(self.icon))
+
+        if self.no_autoreq:
+            spec_file.append('AutoReq: 0')
+
+        spec_file.extend([
+            '',
+            '%description',
+            self.distribution.get_long_description() or "",
+        ])
+
+        # put locale descriptions into spec file
+        # XXX again, suppressed because config file syntax doesn't
+        # easily support this ;-(
+        # for locale in self.descriptions.keys():
+        #    spec_file.extend([
+        #        '',
+        #        '%description -l ' + locale,
+        #        self.descriptions[locale],
+        #        ])
+
+        # rpm scripts
+        # figure out default build script
+        def_setup_call = f"{self.python} {os.path.basename(sys.argv[0])}"
+        def_build = f"{def_setup_call} build"
+        if self.use_rpm_opt_flags:
+            def_build = 'env CFLAGS="$RPM_OPT_FLAGS" ' + def_build
+
+        # insert contents of files
+
+        # XXX this is kind of misleading: user-supplied options are files
+        # that we open and interpolate into the spec file, but the defaults
+        # are just text that we drop in as-is.  Hmmm.
+
+        install_cmd = f'{def_setup_call} install -O1 --root=$RPM_BUILD_ROOT --record=INSTALLED_FILES'
+
+        script_options = [
+            ('prep', 'prep_script', "%setup -n %{name}-%{unmangled_version}"),
+            ('build', 'build_script', def_build),
+            ('install', 'install_script', install_cmd),
+            ('clean', 'clean_script', "rm -rf $RPM_BUILD_ROOT"),
+            ('verifyscript', 'verify_script', None),
+            ('pre', 'pre_install', None),
+            ('post', 'post_install', None),
+            ('preun', 'pre_uninstall', None),
+            ('postun', 'post_uninstall', None),
+        ]
+
+        for rpm_opt, attr, default in script_options:
+            # Insert contents of file referred to, if no file is referred to
+            # use 'default' as contents of script
+            val = getattr(self, attr)
+            if val or default:
+                spec_file.extend([
+                    '',
+                    '%' + rpm_opt,
+                ])
+                if val:
+                    with open(val) as f:
+                        spec_file.extend(f.read().split('\n'))
+                else:
+                    spec_file.append(default)
+
+        # files section
+        spec_file.extend([
+            '',
+            '%files -f INSTALLED_FILES',
+            '%defattr(-,root,root)',
+        ])
+
+        if self.doc_files:
+            spec_file.append('%doc ' + ' '.join(self.doc_files))
+
+        if self.changelog:
+            spec_file.extend([
+                '',
+                '%changelog',
+            ])
+            spec_file.extend(self.changelog)
+
+        return spec_file
+
+    def _format_changelog(self, changelog):
+        """Format the changelog correctly and convert it to a list of strings"""
+        if not changelog:
+            return changelog
+        new_changelog = []
+        for line in changelog.strip().split('\n'):
+            line = line.strip()
+            if line[0] == '*':
+                new_changelog.extend(['', line])
+            elif line[0] == '-':
+                new_changelog.append(line)
+            else:
+                new_changelog.append('  ' + line)
+
+        # strip trailing newline inserted by first changelog entry
+        if not new_changelog[0]:
+            del new_changelog[0]
+
+        return new_changelog

python/Lib/site-packages/setuptools/_distutils/command/build.py

@@ -0,0 +1,156 @@
+"""distutils.command.build
+
+Implements the Distutils 'build' command."""
+
+from __future__ import annotations
+
+import os
+import sys
+import sysconfig
+from collections.abc import Callable
+from typing import ClassVar
+
+from ..ccompiler import show_compilers
+from ..core import Command
+from ..errors import DistutilsOptionError
+from ..util import get_platform
+
+
+class build(Command):
+    description = "build everything needed to install"
+
+    user_options = [
+        ('build-base=', 'b', "base directory for build library"),
+        ('build-purelib=', None, "build directory for platform-neutral distributions"),
+        ('build-platlib=', None, "build directory for platform-specific distributions"),
+        (
+            'build-lib=',
+            None,
+            "build directory for all distribution (defaults to either build-purelib or build-platlib",
+        ),
+        ('build-scripts=', None, "build directory for scripts"),
+        ('build-temp=', 't', "temporary build directory"),
+        (
+            'plat-name=',
+            'p',
+            f"platform name to build for, if supported [default: {get_platform()}]",
+        ),
+        ('compiler=', 'c', "specify the compiler type"),
+        ('parallel=', 'j', "number of parallel build jobs"),
+        ('debug', 'g', "compile extensions and libraries with debugging information"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+        ('executable=', 'e', "specify final destination interpreter path (build.py)"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['debug', 'force']
+
+    help_options: ClassVar[list[tuple[str, str | None, str, Callable[[], object]]]] = [
+        ('help-compiler', None, "list available compilers", show_compilers),
+    ]
+
+    def initialize_options(self):
+        self.build_base = 'build'
+        # these are decided only after 'build_base' has its final value
+        # (unless overridden by the user or client)
+        self.build_purelib = None
+        self.build_platlib = None
+        self.build_lib = None
+        self.build_temp = None
+        self.build_scripts = None
+        self.compiler = None
+        self.plat_name = None
+        self.debug = None
+        self.force = False
+        self.executable = None
+        self.parallel = None
+
+    def finalize_options(self) -> None:  # noqa: C901
+        if self.plat_name is None:
+            self.plat_name = get_platform()
+        else:
+            # plat-name only supported for windows (other platforms are
+            # supported via ./configure flags, if at all).  Avoid misleading
+            # other platforms.
+            if os.name != 'nt':
+                raise DistutilsOptionError(
+                    "--plat-name only supported on Windows (try "
+                    "using './configure --help' on your platform)"
+                )
+
+        plat_specifier = f".{self.plat_name}-{sys.implementation.cache_tag}"
+
+        # Python 3.13+ with --disable-gil shouldn't share build directories
+        if sysconfig.get_config_var('Py_GIL_DISABLED'):
+            plat_specifier += 't'
+
+        # Make it so Python 2.x and Python 2.x with --with-pydebug don't
+        # share the same build directories. Doing so confuses the build
+        # process for C modules
+        if hasattr(sys, 'gettotalrefcount'):
+            plat_specifier += '-pydebug'
+
+        # 'build_purelib' and 'build_platlib' just default to 'lib' and
+        # 'lib.<plat>' under the base build directory.  We only use one of
+        # them for a given distribution, though --
+        if self.build_purelib is None:
+            self.build_purelib = os.path.join(self.build_base, 'lib')
+        if self.build_platlib is None:
+            self.build_platlib = os.path.join(self.build_base, 'lib' + plat_specifier)
+
+        # 'build_lib' is the actual directory that we will use for this
+        # particular module distribution -- if user didn't supply it, pick
+        # one of 'build_purelib' or 'build_platlib'.
+        if self.build_lib is None:
+            if self.distribution.has_ext_modules():
+                self.build_lib = self.build_platlib
+            else:
+                self.build_lib = self.build_purelib
+
+        # 'build_temp' -- temporary directory for compiler turds,
+        # "build/temp.<plat>"
+        if self.build_temp is None:
+            self.build_temp = os.path.join(self.build_base, 'temp' + plat_specifier)
+        if self.build_scripts is None:
+            self.build_scripts = os.path.join(
+                self.build_base,
+                f'scripts-{sys.version_info.major}.{sys.version_info.minor}',
+            )
+
+        if self.executable is None and sys.executable:
+            self.executable = os.path.normpath(sys.executable)
+
+        if isinstance(self.parallel, str):
+            try:
+                self.parallel = int(self.parallel)
+            except ValueError:
+                raise DistutilsOptionError("parallel should be an integer")
+
+    def run(self) -> None:
+        # Run all relevant sub-commands.  This will be some subset of:
+        #  - build_py      - pure Python modules
+        #  - build_clib    - standalone C libraries
+        #  - build_ext     - Python extensions
+        #  - build_scripts - (Python) scripts
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+    # -- Predicates for the sub-command list ---------------------------
+
+    def has_pure_modules(self):
+        return self.distribution.has_pure_modules()
+
+    def has_c_libraries(self):
+        return self.distribution.has_c_libraries()
+
+    def has_ext_modules(self):
+        return self.distribution.has_ext_modules()
+
+    def has_scripts(self):
+        return self.distribution.has_scripts()
+
+    sub_commands = [
+        ('build_py', has_pure_modules),
+        ('build_clib', has_c_libraries),
+        ('build_ext', has_ext_modules),
+        ('build_scripts', has_scripts),
+    ]

python/Lib/site-packages/setuptools/_distutils/command/build_clib.py

@@ -0,0 +1,199 @@
+"""distutils.command.build_clib
+
+Implements the Distutils 'build_clib' command, to build a C/C++ library
+that is included in the module distribution and needed by an extension
+module."""
+
+# XXX this module has *lots* of code ripped-off quite transparently from
+# build_ext.py -- not surprisingly really, as the work required to build
+# a static library from a collection of C source files is not really all
+# that different from what's required to build a shared object file from
+# a collection of C source files.  Nevertheless, I haven't done the
+# necessary refactoring to account for the overlap in code between the
+# two modules, mainly because a number of subtle details changed in the
+# cut 'n paste.  Sigh.
+from __future__ import annotations
+
+import os
+from collections.abc import Callable
+from distutils._log import log
+from typing import ClassVar
+
+from ..ccompiler import new_compiler, show_compilers
+from ..core import Command
+from ..errors import DistutilsSetupError
+from ..sysconfig import customize_compiler
+
+
+class build_clib(Command):
+    description = "build C/C++ libraries used by Python extensions"
+
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
+        ('build-clib=', 'b', "directory to build C/C++ libraries to"),
+        ('build-temp=', 't', "directory to put temporary build by-products"),
+        ('debug', 'g', "compile with debugging information"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+        ('compiler=', 'c', "specify the compiler type"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['debug', 'force']
+
+    help_options: ClassVar[list[tuple[str, str | None, str, Callable[[], object]]]] = [
+        ('help-compiler', None, "list available compilers", show_compilers),
+    ]
+
+    def initialize_options(self):
+        self.build_clib = None
+        self.build_temp = None
+
+        # List of libraries to build
+        self.libraries = None
+
+        # Compilation options for all libraries
+        self.include_dirs = None
+        self.define = None
+        self.undef = None
+        self.debug = None
+        self.force = False
+        self.compiler = None
+
+    def finalize_options(self) -> None:
+        # This might be confusing: both build-clib and build-temp default
+        # to build-temp as defined by the "build" command.  This is because
+        # I think that C libraries are really just temporary build
+        # by-products, at least from the point of view of building Python
+        # extensions -- but I want to keep my options open.
+        self.set_undefined_options(
+            'build',
+            ('build_temp', 'build_clib'),
+            ('build_temp', 'build_temp'),
+            ('compiler', 'compiler'),
+            ('debug', 'debug'),
+            ('force', 'force'),
+        )
+
+        self.libraries = self.distribution.libraries
+        if self.libraries:
+            self.check_library_list(self.libraries)
+
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        if isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        # XXX same as for build_ext -- what about 'self.define' and
+        # 'self.undef' ?
+
+    def run(self) -> None:
+        if not self.libraries:
+            return
+
+        self.compiler = new_compiler(compiler=self.compiler, force=self.force)
+        customize_compiler(self.compiler)
+
+        if self.include_dirs is not None:
+            self.compiler.set_include_dirs(self.include_dirs)
+        if self.define is not None:
+            # 'define' option is a list of (name,value) tuples
+            for name, value in self.define:
+                self.compiler.define_macro(name, value)
+        if self.undef is not None:
+            for macro in self.undef:
+                self.compiler.undefine_macro(macro)
+
+        self.build_libraries(self.libraries)
+
+    def check_library_list(self, libraries) -> None:
+        """Ensure that the list of libraries is valid.
+
+        `library` is presumably provided as a command option 'libraries'.
+        This method checks that it is a list of 2-tuples, where the tuples
+        are (library_name, build_info_dict).
+
+        Raise DistutilsSetupError if the structure is invalid anywhere;
+        just returns otherwise.
+        """
+        if not isinstance(libraries, list):
+            raise DistutilsSetupError("'libraries' option must be a list of tuples")
+
+        for lib in libraries:
+            if not isinstance(lib, tuple) and len(lib) != 2:
+                raise DistutilsSetupError("each element of 'libraries' must a 2-tuple")
+
+            name, build_info = lib
+
+            if not isinstance(name, str):
+                raise DistutilsSetupError(
+                    "first element of each tuple in 'libraries' "
+                    "must be a string (the library name)"
+                )
+
+            if '/' in name or (os.sep != '/' and os.sep in name):
+                raise DistutilsSetupError(
+                    f"bad library name '{lib[0]}': may not contain directory separators"
+                )
+
+            if not isinstance(build_info, dict):
+                raise DistutilsSetupError(
+                    "second element of each tuple in 'libraries' "
+                    "must be a dictionary (build info)"
+                )
+
+    def get_library_names(self):
+        # Assume the library list is valid -- 'check_library_list()' is
+        # called from 'finalize_options()', so it should be!
+        if not self.libraries:
+            return None
+
+        lib_names = []
+        for lib_name, _build_info in self.libraries:
+            lib_names.append(lib_name)
+        return lib_names
+
+    def get_source_files(self):
+        self.check_library_list(self.libraries)
+        filenames = []
+        for lib_name, build_info in self.libraries:
+            sources = build_info.get('sources')
+            if sources is None or not isinstance(sources, (list, tuple)):
+                raise DistutilsSetupError(
+                    f"in 'libraries' option (library '{lib_name}'), "
+                    "'sources' must be present and must be "
+                    "a list of source filenames"
+                )
+
+            filenames.extend(sources)
+        return filenames
+
+    def build_libraries(self, libraries) -> None:
+        for lib_name, build_info in libraries:
+            sources = build_info.get('sources')
+            if sources is None or not isinstance(sources, (list, tuple)):
+                raise DistutilsSetupError(
+                    f"in 'libraries' option (library '{lib_name}'), "
+                    "'sources' must be present and must be "
+                    "a list of source filenames"
+                )
+            sources = list(sources)
+
+            log.info("building '%s' library", lib_name)
+
+            # First, compile the source code to object files in the library
+            # directory.  (This should probably change to putting object
+            # files in a temporary build directory.)
+            macros = build_info.get('macros')
+            include_dirs = build_info.get('include_dirs')
+            objects = self.compiler.compile(
+                sources,
+                output_dir=self.build_temp,
+                macros=macros,
+                include_dirs=include_dirs,
+                debug=self.debug,
+            )
+
+            # Now "link" the object files together into a static library.
+            # (On Unix at least, this isn't really linking -- it just
+            # builds an archive.  Whatever.)
+            self.compiler.create_static_lib(
+                objects, lib_name, output_dir=self.build_clib, debug=self.debug
+            )

python/Lib/site-packages/setuptools/_distutils/command/build_ext.py

@@ -0,0 +1,811 @@
+"""distutils.command.build_ext
+
+Implements the Distutils 'build_ext' command, for building extension
+modules (currently limited to C extensions, should accommodate C++
+extensions ASAP)."""
+
+from __future__ import annotations
+
+import contextlib
+import os
+import re
+import sys
+from collections.abc import Callable
+from distutils._log import log
+from site import USER_BASE
+from typing import ClassVar
+
+from .._modified import newer_group
+from ..ccompiler import new_compiler, show_compilers
+from ..core import Command
+from ..errors import (
+    CCompilerError,
+    CompileError,
+    DistutilsError,
+    DistutilsOptionError,
+    DistutilsPlatformError,
+    DistutilsSetupError,
+)
+from ..extension import Extension
+from ..sysconfig import customize_compiler, get_config_h_filename, get_python_version
+from ..util import get_platform, is_freethreaded, is_mingw
+
+# An extension name is just a dot-separated list of Python NAMEs (ie.
+# the same as a fully-qualified module name).
+extension_name_re = re.compile(r'^[a-zA-Z_][a-zA-Z_0-9]*(\.[a-zA-Z_][a-zA-Z_0-9]*)*$')
+
+
+class build_ext(Command):
+    description = "build C/C++ extensions (compile/link to build directory)"
+
+    # XXX thoughts on how to deal with complex command-line options like
+    # these, i.e. how to make it so fancy_getopt can suck them off the
+    # command line and make it look like setup.py defined the appropriate
+    # lists of tuples of what-have-you.
+    #   - each command needs a callback to process its command-line options
+    #   - Command.__init__() needs access to its share of the whole
+    #     command line (must ultimately come from
+    #     Distribution.parse_command_line())
+    #   - it then calls the current command class' option-parsing
+    #     callback to deal with weird options like -D, which have to
+    #     parse the option text and churn out some custom data
+    #     structure
+    #   - that data structure (in this case, a list of 2-tuples)
+    #     will then be present in the command object by the time
+    #     we get to finalize_options() (i.e. the constructor
+    #     takes care of both command-line and client options
+    #     in between initialize_options() and finalize_options())
+
+    sep_by = f" (separated by '{os.pathsep}')"
+    user_options = [
+        ('build-lib=', 'b', "directory for compiled extension modules"),
+        ('build-temp=', 't', "directory for temporary files (build by-products)"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to cross-compile for, if supported "
+            f"[default: {get_platform()}]",
+        ),
+        (
+            'inplace',
+            'i',
+            "ignore build-lib and put compiled extensions into the source "
+            "directory alongside your pure Python modules",
+        ),
+        (
+            'include-dirs=',
+            'I',
+            "list of directories to search for header files" + sep_by,
+        ),
+        ('define=', 'D', "C preprocessor macros to define"),
+        ('undef=', 'U', "C preprocessor macros to undefine"),
+        ('libraries=', 'l', "external C libraries to link with"),
+        (
+            'library-dirs=',
+            'L',
+            "directories to search for external C libraries" + sep_by,
+        ),
+        ('rpath=', 'R', "directories to search for shared C libraries at runtime"),
+        ('link-objects=', 'O', "extra explicit link objects to include in the link"),
+        ('debug', 'g', "compile/link with debugging information"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+        ('compiler=', 'c', "specify the compiler type"),
+        ('parallel=', 'j', "number of parallel build jobs"),
+        ('swig-cpp', None, "make SWIG create C++ files (default is C)"),
+        ('swig-opts=', None, "list of SWIG command line options"),
+        ('swig=', None, "path to the SWIG executable"),
+        ('user', None, "add user include, library and rpath"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = [
+        'inplace',
+        'debug',
+        'force',
+        'swig-cpp',
+        'user',
+    ]
+
+    help_options: ClassVar[list[tuple[str, str | None, str, Callable[[], object]]]] = [
+        ('help-compiler', None, "list available compilers", show_compilers),
+    ]
+
+    def initialize_options(self):
+        self.extensions = None
+        self.build_lib = None
+        self.plat_name = None
+        self.build_temp = None
+        self.inplace = False
+        self.package = None
+
+        self.include_dirs = None
+        self.define = None
+        self.undef = None
+        self.libraries = None
+        self.library_dirs = None
+        self.rpath = None
+        self.link_objects = None
+        self.debug = None
+        self.force = None
+        self.compiler = None
+        self.swig = None
+        self.swig_cpp = None
+        self.swig_opts = None
+        self.user = None
+        self.parallel = None
+
+    @staticmethod
+    def _python_lib_dir(sysconfig):
+        """
+        Resolve Python's library directory for building extensions
+        that rely on a shared Python library.
+
+        See python/cpython#44264 and python/cpython#48686
+        """
+        if not sysconfig.get_config_var('Py_ENABLE_SHARED'):
+            return
+
+        if sysconfig.python_build:
+            yield '.'
+            return
+
+        if sys.platform == 'zos':
+            # On z/OS, a user is not required to install Python to
+            # a predetermined path, but can use Python portably
+            installed_dir = sysconfig.get_config_var('base')
+            lib_dir = sysconfig.get_config_var('platlibdir')
+            yield os.path.join(installed_dir, lib_dir)
+        else:
+            # building third party extensions
+            yield sysconfig.get_config_var('LIBDIR')
+
+    def finalize_options(self) -> None:  # noqa: C901
+        from distutils import sysconfig
+
+        self.set_undefined_options(
+            'build',
+            ('build_lib', 'build_lib'),
+            ('build_temp', 'build_temp'),
+            ('compiler', 'compiler'),
+            ('debug', 'debug'),
+            ('force', 'force'),
+            ('parallel', 'parallel'),
+            ('plat_name', 'plat_name'),
+        )
+
+        if self.package is None:
+            self.package = self.distribution.ext_package
+
+        self.extensions = self.distribution.ext_modules
+
+        # Make sure Python's include directories (for Python.h, pyconfig.h,
+        # etc.) are in the include search path.
+        py_include = sysconfig.get_python_inc()
+        plat_py_include = sysconfig.get_python_inc(plat_specific=True)
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        if isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        # If in a virtualenv, add its include directory
+        # Issue 16116
+        if sys.exec_prefix != sys.base_exec_prefix:
+            self.include_dirs.append(os.path.join(sys.exec_prefix, 'include'))
+
+        # Put the Python "system" include dir at the end, so that
+        # any local include dirs take precedence.
+        self.include_dirs.extend(py_include.split(os.path.pathsep))
+        if plat_py_include != py_include:
+            self.include_dirs.extend(plat_py_include.split(os.path.pathsep))
+
+        self.ensure_string_list('libraries')
+        self.ensure_string_list('link_objects')
+
+        # Life is easier if we're not forever checking for None, so
+        # simplify these options to empty lists if unset
+        if self.libraries is None:
+            self.libraries = []
+        if self.library_dirs is None:
+            self.library_dirs = []
+        elif isinstance(self.library_dirs, str):
+            self.library_dirs = self.library_dirs.split(os.pathsep)
+
+        if self.rpath is None:
+            self.rpath = []
+        elif isinstance(self.rpath, str):
+            self.rpath = self.rpath.split(os.pathsep)
+
+        # for extensions under windows use different directories
+        # for Release and Debug builds.
+        # also Python's library directory must be appended to library_dirs
+        if os.name == 'nt' and not is_mingw():
+            # the 'libs' directory is for binary installs - we assume that
+            # must be the *native* platform.  But we don't really support
+            # cross-compiling via a binary install anyway, so we let it go.
+            self.library_dirs.append(os.path.join(sys.exec_prefix, 'libs'))
+            if sys.base_exec_prefix != sys.prefix:  # Issue 16116
+                self.library_dirs.append(os.path.join(sys.base_exec_prefix, 'libs'))
+            if self.debug:
+                self.build_temp = os.path.join(self.build_temp, "Debug")
+            else:
+                self.build_temp = os.path.join(self.build_temp, "Release")
+
+            # Append the source distribution include and library directories,
+            # this allows distutils on windows to work in the source tree
+            self.include_dirs.append(os.path.dirname(get_config_h_filename()))
+            self.library_dirs.append(sys.base_exec_prefix)
+
+            # Use the .lib files for the correct architecture
+            if self.plat_name == 'win32':
+                suffix = 'win32'
+            else:
+                # win-amd64
+                suffix = self.plat_name[4:]
+            new_lib = os.path.join(sys.exec_prefix, 'PCbuild')
+            if suffix:
+                new_lib = os.path.join(new_lib, suffix)
+            self.library_dirs.append(new_lib)
+
+        # For extensions under Cygwin, Python's library directory must be
+        # appended to library_dirs
+        if sys.platform[:6] == 'cygwin':
+            if not sysconfig.python_build:
+                # building third party extensions
+                self.library_dirs.append(
+                    os.path.join(
+                        sys.prefix, "lib", "python" + get_python_version(), "config"
+                    )
+                )
+            else:
+                # building python standard extensions
+                self.library_dirs.append('.')
+
+        self.library_dirs.extend(self._python_lib_dir(sysconfig))
+
+        # The argument parsing will result in self.define being a string, but
+        # it has to be a list of 2-tuples.  All the preprocessor symbols
+        # specified by the 'define' option will be set to '1'.  Multiple
+        # symbols can be separated with commas.
+
+        if self.define:
+            defines = self.define.split(',')
+            self.define = [(symbol, '1') for symbol in defines]
+
+        # The option for macros to undefine is also a string from the
+        # option parsing, but has to be a list.  Multiple symbols can also
+        # be separated with commas here.
+        if self.undef:
+            self.undef = self.undef.split(',')
+
+        if self.swig_opts is None:
+            self.swig_opts = []
+        else:
+            self.swig_opts = self.swig_opts.split(' ')
+
+        # Finally add the user include and library directories if requested
+        if self.user:
+            user_include = os.path.join(USER_BASE, "include")
+            user_lib = os.path.join(USER_BASE, "lib")
+            if os.path.isdir(user_include):
+                self.include_dirs.append(user_include)
+            if os.path.isdir(user_lib):
+                self.library_dirs.append(user_lib)
+                self.rpath.append(user_lib)
+
+        if isinstance(self.parallel, str):
+            try:
+                self.parallel = int(self.parallel)
+            except ValueError:
+                raise DistutilsOptionError("parallel should be an integer")
+
+    def run(self) -> None:  # noqa: C901
+        # 'self.extensions', as supplied by setup.py, is a list of
+        # Extension instances.  See the documentation for Extension (in
+        # distutils.extension) for details.
+        #
+        # For backwards compatibility with Distutils 0.8.2 and earlier, we
+        # also allow the 'extensions' list to be a list of tuples:
+        #    (ext_name, build_info)
+        # where build_info is a dictionary containing everything that
+        # Extension instances do except the name, with a few things being
+        # differently named.  We convert these 2-tuples to Extension
+        # instances as needed.
+
+        if not self.extensions:
+            return
+
+        # If we were asked to build any C/C++ libraries, make sure that the
+        # directory where we put them is in the library search path for
+        # linking extensions.
+        if self.distribution.has_c_libraries():
+            build_clib = self.get_finalized_command('build_clib')
+            self.libraries.extend(build_clib.get_library_names() or [])
+            self.library_dirs.append(build_clib.build_clib)
+
+        # Setup the CCompiler object that we'll use to do all the
+        # compiling and linking
+        self.compiler = new_compiler(
+            compiler=self.compiler,
+            verbose=self.verbose,
+            force=self.force,
+        )
+        customize_compiler(self.compiler)
+        # If we are cross-compiling, init the compiler now (if we are not
+        # cross-compiling, init would not hurt, but people may rely on
+        # late initialization of compiler even if they shouldn't...)
+        if os.name == 'nt' and self.plat_name != get_platform():
+            self.compiler.initialize(self.plat_name)
+
+        # The official Windows free threaded Python installer doesn't set
+        # Py_GIL_DISABLED because its pyconfig.h is shared with the
+        # default build, so define it here (pypa/setuptools#4662).
+        if os.name == 'nt' and is_freethreaded():
+            self.compiler.define_macro('Py_GIL_DISABLED', '1')
+
+        # And make sure that any compile/link-related options (which might
+        # come from the command-line or from the setup script) are set in
+        # that CCompiler object -- that way, they automatically apply to
+        # all compiling and linking done here.
+        if self.include_dirs is not None:
+            self.compiler.set_include_dirs(self.include_dirs)
+        if self.define is not None:
+            # 'define' option is a list of (name,value) tuples
+            for name, value in self.define:
+                self.compiler.define_macro(name, value)
+        if self.undef is not None:
+            for macro in self.undef:
+                self.compiler.undefine_macro(macro)
+        if self.libraries is not None:
+            self.compiler.set_libraries(self.libraries)
+        if self.library_dirs is not None:
+            self.compiler.set_library_dirs(self.library_dirs)
+        if self.rpath is not None:
+            self.compiler.set_runtime_library_dirs(self.rpath)
+        if self.link_objects is not None:
+            self.compiler.set_link_objects(self.link_objects)
+
+        # Now actually compile and link everything.
+        self.build_extensions()
+
+    def check_extensions_list(self, extensions) -> None:  # noqa: C901
+        """Ensure that the list of extensions (presumably provided as a
+        command option 'extensions') is valid, i.e. it is a list of
+        Extension objects.  We also support the old-style list of 2-tuples,
+        where the tuples are (ext_name, build_info), which are converted to
+        Extension instances here.
+
+        Raise DistutilsSetupError if the structure is invalid anywhere;
+        just returns otherwise.
+        """
+        if not isinstance(extensions, list):
+            raise DistutilsSetupError(
+                "'ext_modules' option must be a list of Extension instances"
+            )
+
+        for i, ext in enumerate(extensions):
+            if isinstance(ext, Extension):
+                continue  # OK! (assume type-checking done
+                # by Extension constructor)
+
+            if not isinstance(ext, tuple) or len(ext) != 2:
+                raise DistutilsSetupError(
+                    "each element of 'ext_modules' option must be an "
+                    "Extension instance or 2-tuple"
+                )
+
+            ext_name, build_info = ext
+
+            log.warning(
+                "old-style (ext_name, build_info) tuple found in "
+                "ext_modules for extension '%s' "
+                "-- please convert to Extension instance",
+                ext_name,
+            )
+
+            if not (isinstance(ext_name, str) and extension_name_re.match(ext_name)):
+                raise DistutilsSetupError(
+                    "first element of each tuple in 'ext_modules' "
+                    "must be the extension name (a string)"
+                )
+
+            if not isinstance(build_info, dict):
+                raise DistutilsSetupError(
+                    "second element of each tuple in 'ext_modules' "
+                    "must be a dictionary (build info)"
+                )
+
+            # OK, the (ext_name, build_info) dict is type-safe: convert it
+            # to an Extension instance.
+            ext = Extension(ext_name, build_info['sources'])
+
+            # Easy stuff: one-to-one mapping from dict elements to
+            # instance attributes.
+            for key in (
+                'include_dirs',
+                'library_dirs',
+                'libraries',
+                'extra_objects',
+                'extra_compile_args',
+                'extra_link_args',
+            ):
+                val = build_info.get(key)
+                if val is not None:
+                    setattr(ext, key, val)
+
+            # Medium-easy stuff: same syntax/semantics, different names.
+            ext.runtime_library_dirs = build_info.get('rpath')
+            if 'def_file' in build_info:
+                log.warning("'def_file' element of build info dict no longer supported")
+
+            # Non-trivial stuff: 'macros' split into 'define_macros'
+            # and 'undef_macros'.
+            macros = build_info.get('macros')
+            if macros:
+                ext.define_macros = []
+                ext.undef_macros = []
+                for macro in macros:
+                    if not (isinstance(macro, tuple) and len(macro) in (1, 2)):
+                        raise DistutilsSetupError(
+                            "'macros' element of build info dict must be 1- or 2-tuple"
+                        )
+                    if len(macro) == 1:
+                        ext.undef_macros.append(macro[0])
+                    elif len(macro) == 2:
+                        ext.define_macros.append(macro)
+
+            extensions[i] = ext
+
+    def get_source_files(self):
+        self.check_extensions_list(self.extensions)
+        filenames = []
+
+        # Wouldn't it be neat if we knew the names of header files too...
+        for ext in self.extensions:
+            filenames.extend(ext.sources)
+        return filenames
+
+    def get_outputs(self):
+        # Sanity check the 'extensions' list -- can't assume this is being
+        # done in the same run as a 'build_extensions()' call (in fact, we
+        # can probably assume that it *isn't*!).
+        self.check_extensions_list(self.extensions)
+
+        # And build the list of output (built) filenames.  Note that this
+        # ignores the 'inplace' flag, and assumes everything goes in the
+        # "build" tree.
+        return [self.get_ext_fullpath(ext.name) for ext in self.extensions]
+
+    def build_extensions(self) -> None:
+        # First, sanity-check the 'extensions' list
+        self.check_extensions_list(self.extensions)
+        if self.parallel:
+            self._build_extensions_parallel()
+        else:
+            self._build_extensions_serial()
+
+    def _build_extensions_parallel(self):
+        workers = self.parallel
+        if self.parallel is True:
+            workers = os.cpu_count()  # may return None
+        try:
+            from concurrent.futures import ThreadPoolExecutor
+        except ImportError:
+            workers = None
+
+        if workers is None:
+            self._build_extensions_serial()
+            return
+
+        with ThreadPoolExecutor(max_workers=workers) as executor:
+            futures = [
+                executor.submit(self.build_extension, ext) for ext in self.extensions
+            ]
+            for ext, fut in zip(self.extensions, futures):
+                with self._filter_build_errors(ext):
+                    fut.result()
+
+    def _build_extensions_serial(self):
+        for ext in self.extensions:
+            with self._filter_build_errors(ext):
+                self.build_extension(ext)
+
+    @contextlib.contextmanager
+    def _filter_build_errors(self, ext):
+        try:
+            yield
+        except (CCompilerError, DistutilsError, CompileError) as e:
+            if not ext.optional:
+                raise
+            self.warn(f'building extension "{ext.name}" failed: {e}')
+
+    def build_extension(self, ext) -> None:
+        sources = ext.sources
+        if sources is None or not isinstance(sources, (list, tuple)):
+            raise DistutilsSetupError(
+                f"in 'ext_modules' option (extension '{ext.name}'), "
+                "'sources' must be present and must be "
+                "a list of source filenames"
+            )
+        # sort to make the resulting .so file build reproducible
+        sources = sorted(sources)
+
+        ext_path = self.get_ext_fullpath(ext.name)
+        depends = sources + ext.depends
+        if not (self.force or newer_group(depends, ext_path, 'newer')):
+            log.debug("skipping '%s' extension (up-to-date)", ext.name)
+            return
+        else:
+            log.info("building '%s' extension", ext.name)
+
+        # First, scan the sources for SWIG definition files (.i), run
+        # SWIG on 'em to create .c files, and modify the sources list
+        # accordingly.
+        sources = self.swig_sources(sources, ext)
+
+        # Next, compile the source code to object files.
+
+        # XXX not honouring 'define_macros' or 'undef_macros' -- the
+        # CCompiler API needs to change to accommodate this, and I
+        # want to do one thing at a time!
+
+        # Two possible sources for extra compiler arguments:
+        #   - 'extra_compile_args' in Extension object
+        #   - CFLAGS environment variable (not particularly
+        #     elegant, but people seem to expect it and I
+        #     guess it's useful)
+        # The environment variable should take precedence, and
+        # any sensible compiler will give precedence to later
+        # command line args.  Hence we combine them in order:
+        extra_args = ext.extra_compile_args or []
+
+        macros = ext.define_macros[:]
+        for undef in ext.undef_macros:
+            macros.append((undef,))
+
+        objects = self.compiler.compile(
+            sources,
+            output_dir=self.build_temp,
+            macros=macros,
+            include_dirs=ext.include_dirs,
+            debug=self.debug,
+            extra_postargs=extra_args,
+            depends=ext.depends,
+        )
+
+        # XXX outdated variable, kept here in case third-part code
+        # needs it.
+        self._built_objects = objects[:]
+
+        # Now link the object files together into a "shared object" --
+        # of course, first we have to figure out all the other things
+        # that go into the mix.
+        if ext.extra_objects:
+            objects.extend(ext.extra_objects)
+        extra_args = ext.extra_link_args or []
+
+        # Detect target language, if not provided
+        language = ext.language or self.compiler.detect_language(sources)
+
+        self.compiler.link_shared_object(
+            objects,
+            ext_path,
+            libraries=self.get_libraries(ext),
+            library_dirs=ext.library_dirs,
+            runtime_library_dirs=ext.runtime_library_dirs,
+            extra_postargs=extra_args,
+            export_symbols=self.get_export_symbols(ext),
+            debug=self.debug,
+            build_temp=self.build_temp,
+            target_lang=language,
+        )
+
+    def swig_sources(self, sources, extension):
+        """Walk the list of source files in 'sources', looking for SWIG
+        interface (.i) files.  Run SWIG on all that are found, and
+        return a modified 'sources' list with SWIG source files replaced
+        by the generated C (or C++) files.
+        """
+        new_sources = []
+        swig_sources = []
+        swig_targets = {}
+
+        # XXX this drops generated C/C++ files into the source tree, which
+        # is fine for developers who want to distribute the generated
+        # source -- but there should be an option to put SWIG output in
+        # the temp dir.
+
+        if self.swig_cpp:
+            log.warning("--swig-cpp is deprecated - use --swig-opts=-c++")
+
+        if (
+            self.swig_cpp
+            or ('-c++' in self.swig_opts)
+            or ('-c++' in extension.swig_opts)
+        ):
+            target_ext = '.cpp'
+        else:
+            target_ext = '.c'
+
+        for source in sources:
+            (base, ext) = os.path.splitext(source)
+            if ext == ".i":  # SWIG interface file
+                new_sources.append(base + '_wrap' + target_ext)
+                swig_sources.append(source)
+                swig_targets[source] = new_sources[-1]
+            else:
+                new_sources.append(source)
+
+        if not swig_sources:
+            return new_sources
+
+        swig = self.swig or self.find_swig()
+        swig_cmd = [swig, "-python"]
+        swig_cmd.extend(self.swig_opts)
+        if self.swig_cpp:
+            swig_cmd.append("-c++")
+
+        # Do not override commandline arguments
+        if not self.swig_opts:
+            swig_cmd.extend(extension.swig_opts)
+
+        for source in swig_sources:
+            target = swig_targets[source]
+            log.info("swigging %s to %s", source, target)
+            self.spawn(swig_cmd + ["-o", target, source])
+
+        return new_sources
+
+    def find_swig(self):
+        """Return the name of the SWIG executable.  On Unix, this is
+        just "swig" -- it should be in the PATH.  Tries a bit harder on
+        Windows.
+        """
+        if os.name == "posix":
+            return "swig"
+        elif os.name == "nt":
+            # Look for SWIG in its standard installation directory on
+            # Windows (or so I presume!).  If we find it there, great;
+            # if not, act like Unix and assume it's in the PATH.
+            for vers in ("1.3", "1.2", "1.1"):
+                fn = os.path.join(f"c:\\swig{vers}", "swig.exe")
+                if os.path.isfile(fn):
+                    return fn
+            else:
+                return "swig.exe"
+        else:
+            raise DistutilsPlatformError(
+                f"I don't know how to find (much less run) SWIG on platform '{os.name}'"
+            )
+
+    # -- Name generators -----------------------------------------------
+    # (extension names, filenames, whatever)
+    def get_ext_fullpath(self, ext_name: str) -> str:
+        """Returns the path of the filename for a given extension.
+
+        The file is located in `build_lib` or directly in the package
+        (inplace option).
+        """
+        fullname = self.get_ext_fullname(ext_name)
+        modpath = fullname.split('.')
+        filename = self.get_ext_filename(modpath[-1])
+
+        if not self.inplace:
+            # no further work needed
+            # returning :
+            #   build_dir/package/path/filename
+            filename = os.path.join(*modpath[:-1] + [filename])
+            return os.path.join(self.build_lib, filename)
+
+        # the inplace option requires to find the package directory
+        # using the build_py command for that
+        package = '.'.join(modpath[0:-1])
+        build_py = self.get_finalized_command('build_py')
+        package_dir = os.path.abspath(build_py.get_package_dir(package))
+
+        # returning
+        #   package_dir/filename
+        return os.path.join(package_dir, filename)
+
+    def get_ext_fullname(self, ext_name: str) -> str:
+        """Returns the fullname of a given extension name.
+
+        Adds the `package.` prefix"""
+        if self.package is None:
+            return ext_name
+        else:
+            return self.package + '.' + ext_name
+
+    def get_ext_filename(self, ext_name: str) -> str:
+        r"""Convert the name of an extension (eg. "foo.bar") into the name
+        of the file from which it will be loaded (eg. "foo/bar.so", or
+        "foo\bar.pyd").
+        """
+        from ..sysconfig import get_config_var
+
+        ext_path = ext_name.split('.')
+        ext_suffix = get_config_var('EXT_SUFFIX')
+        return os.path.join(*ext_path) + ext_suffix
+
+    def get_export_symbols(self, ext: Extension) -> list[str]:
+        """Return the list of symbols that a shared extension has to
+        export.  This either uses 'ext.export_symbols' or, if it's not
+        provided, "PyInit_" + module_name.  Only relevant on Windows, where
+        the .pyd file (DLL) must export the module "PyInit_" function.
+        """
+        name = self._get_module_name_for_symbol(ext)
+        try:
+            # Unicode module name support as defined in PEP-489
+            # https://peps.python.org/pep-0489/#export-hook-name
+            name.encode('ascii')
+        except UnicodeEncodeError:
+            suffix = 'U_' + name.encode('punycode').replace(b'-', b'_').decode('ascii')
+        else:
+            suffix = "_" + name
+
+        initfunc_name = "PyInit" + suffix
+        if initfunc_name not in ext.export_symbols:
+            ext.export_symbols.append(initfunc_name)
+        return ext.export_symbols
+
+    def _get_module_name_for_symbol(self, ext):
+        # Package name should be used for `__init__` modules
+        # https://github.com/python/cpython/issues/80074
+        # https://github.com/pypa/setuptools/issues/4826
+        parts = ext.name.split(".")
+        if parts[-1] == "__init__" and len(parts) >= 2:
+            return parts[-2]
+        return parts[-1]
+
+    def get_libraries(self, ext: Extension) -> list[str]:  # noqa: C901
+        """Return the list of libraries to link against when building a
+        shared extension.  On most platforms, this is just 'ext.libraries';
+        on Windows, we add the Python library (eg. python20.dll).
+        """
+        # The python library is always needed on Windows.  For MSVC, this
+        # is redundant, since the library is mentioned in a pragma in
+        # pyconfig.h that MSVC groks.  The other Windows compilers all seem
+        # to need it mentioned explicitly, though, so that's what we do.
+        # Append '_d' to the python import library on debug builds.
+        if sys.platform == "win32" and not is_mingw():
+            from .._msvccompiler import MSVCCompiler
+
+            if not isinstance(self.compiler, MSVCCompiler):
+                template = "python%d%d"
+                if self.debug:
+                    template = template + '_d'
+                pythonlib = template % (
+                    sys.hexversion >> 24,
+                    (sys.hexversion >> 16) & 0xFF,
+                )
+                # don't extend ext.libraries, it may be shared with other
+                # extensions, it is a reference to the original list
+                return ext.libraries + [pythonlib]
+        else:
+            # On Android only the main executable and LD_PRELOADs are considered
+            # to be RTLD_GLOBAL, all the dependencies of the main executable
+            # remain RTLD_LOCAL and so the shared libraries must be linked with
+            # libpython when python is built with a shared python library (issue
+            # bpo-21536).
+            # On Cygwin (and if required, other POSIX-like platforms based on
+            # Windows like MinGW) it is simply necessary that all symbols in
+            # shared libraries are resolved at link time.
+            from ..sysconfig import get_config_var
+
+            link_libpython = False
+            if get_config_var('Py_ENABLE_SHARED'):
+                # A native build on an Android device or on Cygwin
+                if hasattr(sys, 'getandroidapilevel'):
+                    link_libpython = True
+                elif sys.platform == 'cygwin' or is_mingw():
+                    link_libpython = True
+                elif '_PYTHON_HOST_PLATFORM' in os.environ:
+                    # We are cross-compiling for one of the relevant platforms
+                    if get_config_var('ANDROID_API_LEVEL') != 0:
+                        link_libpython = True
+                    elif get_config_var('MACHDEP') == 'cygwin':
+                        link_libpython = True
+
+            if link_libpython:
+                ldversion = get_config_var('LDVERSION')
+                return ext.libraries + ['python' + ldversion]
+
+        return ext.libraries

python/Lib/site-packages/setuptools/_distutils/command/build_py.py

@@ -0,0 +1,404 @@
+"""distutils.command.build_py
+
+Implements the Distutils 'build_py' command."""
+
+import glob
+import importlib.util
+import os
+import sys
+from distutils._log import log
+from typing import ClassVar
+
+from ..core import Command
+from ..errors import DistutilsFileError, DistutilsOptionError
+from ..util import convert_path
+
+
+class build_py(Command):
+    description = "\"build\" pure Python modules (copy to build directory)"
+
+    user_options = [
+        ('build-lib=', 'd', "directory to \"build\" (copy) to"),
+        ('compile', 'c', "compile .py to .pyc"),
+        ('no-compile', None, "don't compile .py files [default]"),
+        (
+            'optimize=',
+            'O',
+            "also compile with optimization: -O1 for \"python -O\", "
+            "-O2 for \"python -OO\", and -O0 to disable [default: -O0]",
+        ),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['compile', 'force']
+    negative_opt: ClassVar[dict[str, str]] = {'no-compile': 'compile'}
+
+    def initialize_options(self):
+        self.build_lib = None
+        self.py_modules = None
+        self.package = None
+        self.package_data = None
+        self.package_dir = None
+        self.compile = False
+        self.optimize = 0
+        self.force = None
+
+    def finalize_options(self) -> None:
+        self.set_undefined_options(
+            'build', ('build_lib', 'build_lib'), ('force', 'force')
+        )
+
+        # Get the distribution options that are aliases for build_py
+        # options -- list of packages and list of modules.
+        self.packages = self.distribution.packages
+        self.py_modules = self.distribution.py_modules
+        self.package_data = self.distribution.package_data
+        self.package_dir = {}
+        if self.distribution.package_dir:
+            for name, path in self.distribution.package_dir.items():
+                self.package_dir[name] = convert_path(path)
+        self.data_files = self.get_data_files()
+
+        # Ick, copied straight from install_lib.py (fancy_getopt needs a
+        # type system!  Hell, *everything* needs a type system!!!)
+        if not isinstance(self.optimize, int):
+            try:
+                self.optimize = int(self.optimize)
+                assert 0 <= self.optimize <= 2
+            except (ValueError, AssertionError):
+                raise DistutilsOptionError("optimize must be 0, 1, or 2")
+
+    def run(self) -> None:
+        # XXX copy_file by default preserves atime and mtime.  IMHO this is
+        # the right thing to do, but perhaps it should be an option -- in
+        # particular, a site administrator might want installed files to
+        # reflect the time of installation rather than the last
+        # modification time before the installed release.
+
+        # XXX copy_file by default preserves mode, which appears to be the
+        # wrong thing to do: if a file is read-only in the working
+        # directory, we want it to be installed read/write so that the next
+        # installation of the same module distribution can overwrite it
+        # without problems.  (This might be a Unix-specific issue.)  Thus
+        # we turn off 'preserve_mode' when copying to the build directory,
+        # since the build directory is supposed to be exactly what the
+        # installation will look like (ie. we preserve mode when
+        # installing).
+
+        # Two options control which modules will be installed: 'packages'
+        # and 'py_modules'.  The former lets us work with whole packages, not
+        # specifying individual modules at all; the latter is for
+        # specifying modules one-at-a-time.
+
+        if self.py_modules:
+            self.build_modules()
+        if self.packages:
+            self.build_packages()
+            self.build_package_data()
+
+        self.byte_compile(self.get_outputs(include_bytecode=False))
+
+    def get_data_files(self):
+        """Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
+        data = []
+        if not self.packages:
+            return data
+        for package in self.packages:
+            # Locate package source directory
+            src_dir = self.get_package_dir(package)
+
+            # Compute package build directory
+            build_dir = os.path.join(*([self.build_lib] + package.split('.')))
+
+            # Length of path to strip from found files
+            plen = 0
+            if src_dir:
+                plen = len(src_dir) + 1
+
+            # Strip directory from globbed filenames
+            filenames = [file[plen:] for file in self.find_data_files(package, src_dir)]
+            data.append((package, src_dir, build_dir, filenames))
+        return data
+
+    def find_data_files(self, package, src_dir):
+        """Return filenames for package's data files in 'src_dir'"""
+        globs = self.package_data.get('', []) + self.package_data.get(package, [])
+        files = []
+        for pattern in globs:
+            # Each pattern has to be converted to a platform-specific path
+            filelist = glob.glob(
+                os.path.join(glob.escape(src_dir), convert_path(pattern))
+            )
+            # Files that match more than one pattern are only added once
+            files.extend([
+                fn for fn in filelist if fn not in files and os.path.isfile(fn)
+            ])
+        return files
+
+    def build_package_data(self) -> None:
+        """Copy data files into build directory"""
+        for _package, src_dir, build_dir, filenames in self.data_files:
+            for filename in filenames:
+                target = os.path.join(build_dir, filename)
+                self.mkpath(os.path.dirname(target))
+                self.copy_file(
+                    os.path.join(src_dir, filename), target, preserve_mode=False
+                )
+
+    def get_package_dir(self, package):
+        """Return the directory, relative to the top of the source
+        distribution, where package 'package' should be found
+        (at least according to the 'package_dir' option, if any)."""
+        path = package.split('.')
+
+        if not self.package_dir:
+            if path:
+                return os.path.join(*path)
+            else:
+                return ''
+        else:
+            tail = []
+            while path:
+                try:
+                    pdir = self.package_dir['.'.join(path)]
+                except KeyError:
+                    tail.insert(0, path[-1])
+                    del path[-1]
+                else:
+                    tail.insert(0, pdir)
+                    return os.path.join(*tail)
+            else:
+                # Oops, got all the way through 'path' without finding a
+                # match in package_dir.  If package_dir defines a directory
+                # for the root (nameless) package, then fallback on it;
+                # otherwise, we might as well have not consulted
+                # package_dir at all, as we just use the directory implied
+                # by 'tail' (which should be the same as the original value
+                # of 'path' at this point).
+                pdir = self.package_dir.get('')
+                if pdir is not None:
+                    tail.insert(0, pdir)
+
+                if tail:
+                    return os.path.join(*tail)
+                else:
+                    return ''
+
+    def check_package(self, package, package_dir):
+        # Empty dir name means current directory, which we can probably
+        # assume exists.  Also, os.path.exists and isdir don't know about
+        # my "empty string means current dir" convention, so we have to
+        # circumvent them.
+        if package_dir != "":
+            if not os.path.exists(package_dir):
+                raise DistutilsFileError(
+                    f"package directory '{package_dir}' does not exist"
+                )
+            if not os.path.isdir(package_dir):
+                raise DistutilsFileError(
+                    f"supposed package directory '{package_dir}' exists, "
+                    "but is not a directory"
+                )
+
+        # Directories without __init__.py are namespace packages (PEP 420).
+        if package:
+            init_py = os.path.join(package_dir, "__init__.py")
+            if os.path.isfile(init_py):
+                return init_py
+
+        # Either not in a package at all (__init__.py not expected), or
+        # __init__.py doesn't exist -- so don't return the filename.
+        return None
+
+    def check_module(self, module, module_file):
+        if not os.path.isfile(module_file):
+            log.warning("file %s (for module %s) not found", module_file, module)
+            return False
+        else:
+            return True
+
+    def find_package_modules(self, package, package_dir):
+        self.check_package(package, package_dir)
+        module_files = glob.glob(os.path.join(glob.escape(package_dir), "*.py"))
+        modules = []
+        setup_script = os.path.abspath(self.distribution.script_name)
+
+        for f in module_files:
+            abs_f = os.path.abspath(f)
+            if abs_f != setup_script:
+                module = os.path.splitext(os.path.basename(f))[0]
+                modules.append((package, module, f))
+            else:
+                self.debug_print(f"excluding {setup_script}")
+        return modules
+
+    def find_modules(self):
+        """Finds individually-specified Python modules, ie. those listed by
+        module name in 'self.py_modules'.  Returns a list of tuples (package,
+        module_base, filename): 'package' is a tuple of the path through
+        package-space to the module; 'module_base' is the bare (no
+        packages, no dots) module name, and 'filename' is the path to the
+        ".py" file (relative to the distribution root) that implements the
+        module.
+        """
+        # Map package names to tuples of useful info about the package:
+        #    (package_dir, checked)
+        # package_dir - the directory where we'll find source files for
+        #   this package
+        # checked - true if we have checked that the package directory
+        #   is valid (exists, contains __init__.py, ... ?)
+        packages = {}
+
+        # List of (package, module, filename) tuples to return
+        modules = []
+
+        # We treat modules-in-packages almost the same as toplevel modules,
+        # just the "package" for a toplevel is empty (either an empty
+        # string or empty list, depending on context).  Differences:
+        #   - don't check for __init__.py in directory for empty package
+        for module in self.py_modules:
+            path = module.split('.')
+            package = '.'.join(path[0:-1])
+            module_base = path[-1]
+
+            try:
+                (package_dir, checked) = packages[package]
+            except KeyError:
+                package_dir = self.get_package_dir(package)
+                checked = False
+
+            if not checked:
+                init_py = self.check_package(package, package_dir)
+                packages[package] = (package_dir, 1)
+                if init_py:
+                    modules.append((package, "__init__", init_py))
+
+            # XXX perhaps we should also check for just .pyc files
+            # (so greedy closed-source bastards can distribute Python
+            # modules too)
+            module_file = os.path.join(package_dir, module_base + ".py")
+            if not self.check_module(module, module_file):
+                continue
+
+            modules.append((package, module_base, module_file))
+
+        return modules
+
+    def find_all_modules(self):
+        """Compute the list of all modules that will be built, whether
+        they are specified one-module-at-a-time ('self.py_modules') or
+        by whole packages ('self.packages').  Return a list of tuples
+        (package, module, module_file), just like 'find_modules()' and
+        'find_package_modules()' do."""
+        modules = []
+        if self.py_modules:
+            modules.extend(self.find_modules())
+        if self.packages:
+            for package in self.packages:
+                package_dir = self.get_package_dir(package)
+                m = self.find_package_modules(package, package_dir)
+                modules.extend(m)
+        return modules
+
+    def get_source_files(self):
+        return [module[-1] for module in self.find_all_modules()]
+
+    def get_module_outfile(self, build_dir, package, module):
+        outfile_path = [build_dir] + list(package) + [module + ".py"]
+        return os.path.join(*outfile_path)
+
+    def get_outputs(self, include_bytecode: bool = True) -> list[str]:
+        modules = self.find_all_modules()
+        outputs = []
+        for package, module, _module_file in modules:
+            package = package.split('.')
+            filename = self.get_module_outfile(self.build_lib, package, module)
+            outputs.append(filename)
+            if include_bytecode:
+                if self.compile:
+                    outputs.append(
+                        importlib.util.cache_from_source(filename, optimization='')
+                    )
+                if self.optimize > 0:
+                    outputs.append(
+                        importlib.util.cache_from_source(
+                            filename, optimization=self.optimize
+                        )
+                    )
+
+        outputs += [
+            os.path.join(build_dir, filename)
+            for package, src_dir, build_dir, filenames in self.data_files
+            for filename in filenames
+        ]
+
+        return outputs
+
+    def build_module(self, module, module_file, package):
+        if isinstance(package, str):
+            package = package.split('.')
+        elif not isinstance(package, (list, tuple)):
+            raise TypeError(
+                "'package' must be a string (dot-separated), list, or tuple"
+            )
+
+        # Now put the module source file into the "build" area -- this is
+        # easy, we just copy it somewhere under self.build_lib (the build
+        # directory for Python source).
+        outfile = self.get_module_outfile(self.build_lib, package, module)
+        dir = os.path.dirname(outfile)
+        self.mkpath(dir)
+        return self.copy_file(module_file, outfile, preserve_mode=False)
+
+    def build_modules(self) -> None:
+        modules = self.find_modules()
+        for package, module, module_file in modules:
+            # Now "build" the module -- ie. copy the source file to
+            # self.build_lib (the build directory for Python source).
+            # (Actually, it gets copied to the directory for this package
+            # under self.build_lib.)
+            self.build_module(module, module_file, package)
+
+    def build_packages(self) -> None:
+        for package in self.packages:
+            # Get list of (package, module, module_file) tuples based on
+            # scanning the package directory.  'package' is only included
+            # in the tuple so that 'find_modules()' and
+            # 'find_package_tuples()' have a consistent interface; it's
+            # ignored here (apart from a sanity check).  Also, 'module' is
+            # the *unqualified* module name (ie. no dots, no package -- we
+            # already know its package!), and 'module_file' is the path to
+            # the .py file, relative to the current directory
+            # (ie. including 'package_dir').
+            package_dir = self.get_package_dir(package)
+            modules = self.find_package_modules(package, package_dir)
+
+            # Now loop over the modules we found, "building" each one (just
+            # copy it to self.build_lib).
+            for package_, module, module_file in modules:
+                assert package == package_
+                self.build_module(module, module_file, package)
+
+    def byte_compile(self, files) -> None:
+        if sys.dont_write_bytecode:
+            self.warn('byte-compiling is disabled, skipping.')
+            return
+
+        from ..util import byte_compile
+
+        prefix = self.build_lib
+        if prefix[-1] != os.sep:
+            prefix = prefix + os.sep
+
+        # XXX this code is essentially the same as the 'byte_compile()
+        # method of the "install_lib" command, except for the determination
+        # of the 'prefix' string.  Hmmm.
+        if self.compile:
+            byte_compile(files, optimize=0, force=self.force, prefix=prefix)
+        if self.optimize > 0:
+            byte_compile(
+                files,
+                optimize=self.optimize,
+                force=self.force,
+                prefix=prefix,
+            )

python/Lib/site-packages/setuptools/_distutils/command/build_scripts.py

@@ -0,0 +1,150 @@
+"""distutils.command.build_scripts
+
+Implements the Distutils 'build_scripts' command."""
+
+import os
+import re
+import tokenize
+from distutils._log import log
+from stat import ST_MODE
+from typing import ClassVar
+
+from .._modified import newer
+from ..core import Command
+from ..util import convert_path
+
+shebang_pattern = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
+"""
+Pattern matching a Python interpreter indicated in first line of a script.
+"""
+
+# for Setuptools compatibility
+first_line_re = shebang_pattern
+
+
+class build_scripts(Command):
+    description = "\"build\" scripts (copy and fixup #! line)"
+
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
+        ('build-dir=', 'd', "directory to \"build\" (copy) to"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps"),
+        ('executable=', 'e', "specify final destination interpreter path"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['force']
+
+    def initialize_options(self):
+        self.build_dir = None
+        self.scripts = None
+        self.force = None
+        self.executable = None
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'build',
+            ('build_scripts', 'build_dir'),
+            ('force', 'force'),
+            ('executable', 'executable'),
+        )
+        self.scripts = self.distribution.scripts
+
+    def get_source_files(self):
+        return self.scripts
+
+    def run(self):
+        if not self.scripts:
+            return
+        self.copy_scripts()
+
+    def copy_scripts(self):
+        """
+        Copy each script listed in ``self.scripts``.
+
+        If a script is marked as a Python script (first line matches
+        'shebang_pattern', i.e. starts with ``#!`` and contains
+        "python"), then adjust in the copy the first line to refer to
+        the current Python interpreter.
+        """
+        self.mkpath(self.build_dir)
+        outfiles = []
+        updated_files = []
+        for script in self.scripts:
+            self._copy_script(script, outfiles, updated_files)
+
+        self._change_modes(outfiles)
+
+        return outfiles, updated_files
+
+    def _copy_script(self, script, outfiles, updated_files):
+        shebang_match = None
+        script = convert_path(script)
+        outfile = os.path.join(self.build_dir, os.path.basename(script))
+        outfiles.append(outfile)
+
+        if not self.force and not newer(script, outfile):
+            log.debug("not copying %s (up-to-date)", script)
+            return
+
+        # Always open the file, but ignore failures in dry-run mode
+        # in order to attempt to copy directly.
+        f = tokenize.open(script)
+
+        first_line = f.readline()
+        if not first_line:
+            self.warn(f"{script} is an empty file (skipping)")
+            return
+
+        shebang_match = shebang_pattern.match(first_line)
+
+        updated_files.append(outfile)
+        if shebang_match:
+            log.info("copying and adjusting %s -> %s", script, self.build_dir)
+            post_interp = shebang_match.group(1) or ''
+            shebang = "#!" + self.executable + post_interp + "\n"
+            self._validate_shebang(shebang, f.encoding)
+            with open(outfile, "w", encoding=f.encoding) as outf:
+                outf.write(shebang)
+                outf.writelines(f.readlines())
+            if f:
+                f.close()
+        else:
+            if f:
+                f.close()
+            self.copy_file(script, outfile)
+
+    def _change_modes(self, outfiles):
+        if os.name != 'posix':
+            return
+
+        for file in outfiles:
+            self._change_mode(file)
+
+    def _change_mode(self, file):
+        oldmode = os.stat(file)[ST_MODE] & 0o7777
+        newmode = (oldmode | 0o555) & 0o7777
+        if newmode != oldmode:
+            log.info("changing mode of %s from %o to %o", file, oldmode, newmode)
+            os.chmod(file, newmode)
+
+    @staticmethod
+    def _validate_shebang(shebang, encoding):
+        # Python parser starts to read a script using UTF-8 until
+        # it gets a #coding:xxx cookie. The shebang has to be the
+        # first line of a file, the #coding:xxx cookie cannot be
+        # written before. So the shebang has to be encodable to
+        # UTF-8.
+        try:
+            shebang.encode('utf-8')
+        except UnicodeEncodeError:
+            raise ValueError(f"The shebang ({shebang!r}) is not encodable to utf-8")
+
+        # If the script is encoded to a custom encoding (use a
+        # #coding:xxx cookie), the shebang has to be encodable to
+        # the script encoding too.
+        try:
+            shebang.encode(encoding)
+        except UnicodeEncodeError:
+            raise ValueError(
+                f"The shebang ({shebang!r}) is not encodable "
+                f"to the script encoding ({encoding})"
+            )

python/Lib/site-packages/setuptools/_distutils/command/check.py

@@ -0,0 +1,152 @@
+"""distutils.command.check
+
+Implements the Distutils 'check' command.
+"""
+
+import contextlib
+from typing import ClassVar
+
+from ..core import Command
+from ..errors import DistutilsSetupError
+
+with contextlib.suppress(ImportError):
+    import docutils.frontend
+    import docutils.nodes
+    import docutils.parsers.rst
+    import docutils.utils
+
+    class SilentReporter(docutils.utils.Reporter):
+        def __init__(
+            self,
+            source,
+            report_level,
+            halt_level,
+            stream=None,
+            debug=False,
+            encoding='ascii',
+            error_handler='replace',
+        ):
+            self.messages = []
+            super().__init__(
+                source, report_level, halt_level, stream, debug, encoding, error_handler
+            )
+
+        def system_message(self, level, message, *children, **kwargs):
+            self.messages.append((level, message, children, kwargs))
+            return docutils.nodes.system_message(
+                message, *children, level=level, type=self.levels[level], **kwargs
+            )
+
+
+class check(Command):
+    """This command checks the meta-data of the package."""
+
+    description = "perform some checks on the package"
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
+        ('metadata', 'm', 'Verify meta-data'),
+        (
+            'restructuredtext',
+            'r',
+            'Checks if long string meta-data syntax are reStructuredText-compliant',
+        ),
+        ('strict', 's', 'Will exit with an error if a check fails'),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['metadata', 'restructuredtext', 'strict']
+
+    def initialize_options(self):
+        """Sets default values for options."""
+        self.restructuredtext = False
+        self.metadata = 1
+        self.strict = False
+        self._warnings = 0
+
+    def finalize_options(self):
+        pass
+
+    def warn(self, msg):
+        """Counts the number of warnings that occurs."""
+        self._warnings += 1
+        return Command.warn(self, msg)
+
+    def run(self):
+        """Runs the command."""
+        # perform the various tests
+        if self.metadata:
+            self.check_metadata()
+        if self.restructuredtext:
+            if 'docutils' in globals():
+                try:
+                    self.check_restructuredtext()
+                except TypeError as exc:
+                    raise DistutilsSetupError(str(exc))
+            elif self.strict:
+                raise DistutilsSetupError('The docutils package is needed.')
+
+        # let's raise an error in strict mode, if we have at least
+        # one warning
+        if self.strict and self._warnings > 0:
+            raise DistutilsSetupError('Please correct your package.')
+
+    def check_metadata(self):
+        """Ensures that all required elements of meta-data are supplied.
+
+        Required fields:
+            name, version
+
+        Warns if any are missing.
+        """
+        metadata = self.distribution.metadata
+
+        missing = [
+            attr for attr in ('name', 'version') if not getattr(metadata, attr, None)
+        ]
+
+        if missing:
+            self.warn("missing required meta-data: {}".format(', '.join(missing)))
+
+    def check_restructuredtext(self):
+        """Checks if the long string fields are reST-compliant."""
+        data = self.distribution.get_long_description()
+        for warning in self._check_rst_data(data):
+            line = warning[-1].get('line')
+            if line is None:
+                warning = warning[1]
+            else:
+                warning = f'{warning[1]} (line {line})'
+            self.warn(warning)
+
+    def _check_rst_data(self, data):
+        """Returns warnings when the provided data doesn't compile."""
+        # the include and csv_table directives need this to be a path
+        source_path = self.distribution.script_name or 'setup.py'
+        parser = docutils.parsers.rst.Parser()
+        settings = docutils.frontend.OptionParser(
+            components=(docutils.parsers.rst.Parser,)
+        ).get_default_values()
+        settings.tab_width = 4
+        settings.pep_references = None
+        settings.rfc_references = None
+        reporter = SilentReporter(
+            source_path,
+            settings.report_level,
+            settings.halt_level,
+            stream=settings.warning_stream,
+            debug=settings.debug,
+            encoding=settings.error_encoding,
+            error_handler=settings.error_encoding_error_handler,
+        )
+
+        document = docutils.nodes.document(settings, reporter, source=source_path)
+        document.note_source(source_path, -1)
+        try:
+            parser.parse(data, document)
+        except (AttributeError, TypeError) as e:
+            reporter.messages.append((
+                -1,
+                f'Could not finish the parsing: {e}.',
+                '',
+                {},
+            ))
+
+        return reporter.messages

python/Lib/site-packages/setuptools/_distutils/command/clean.py

@@ -0,0 +1,76 @@
+"""distutils.command.clean
+
+Implements the Distutils 'clean' command."""
+
+# contributed by Bastian Kleineidam <calvin@cs.uni-sb.de>, added 2000-03-18
+
+import os
+from distutils._log import log
+from typing import ClassVar
+
+from ..core import Command
+from ..dir_util import remove_tree
+
+
+class clean(Command):
+    description = "clean up temporary files from 'build' command"
+    user_options = [
+        ('build-base=', 'b', "base build directory [default: 'build.build-base']"),
+        (
+            'build-lib=',
+            None,
+            "build directory for all modules [default: 'build.build-lib']",
+        ),
+        ('build-temp=', 't', "temporary build directory [default: 'build.build-temp']"),
+        (
+            'build-scripts=',
+            None,
+            "build directory for scripts [default: 'build.build-scripts']",
+        ),
+        ('bdist-base=', None, "temporary directory for built distributions"),
+        ('all', 'a', "remove all build output, not just temporary by-products"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['all']
+
+    def initialize_options(self):
+        self.build_base = None
+        self.build_lib = None
+        self.build_temp = None
+        self.build_scripts = None
+        self.bdist_base = None
+        self.all = None
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'build',
+            ('build_base', 'build_base'),
+            ('build_lib', 'build_lib'),
+            ('build_scripts', 'build_scripts'),
+            ('build_temp', 'build_temp'),
+        )
+        self.set_undefined_options('bdist', ('bdist_base', 'bdist_base'))
+
+    def run(self):
+        # remove the build/temp.<plat> directory (unless it's already
+        # gone)
+        if os.path.exists(self.build_temp):
+            remove_tree(self.build_temp)
+        else:
+            log.debug("'%s' does not exist -- can't clean it", self.build_temp)
+
+        if self.all:
+            # remove build directories
+            for directory in (self.build_lib, self.bdist_base, self.build_scripts):
+                if os.path.exists(directory):
+                    remove_tree(directory)
+                else:
+                    log.warning("'%s' does not exist -- can't clean it", directory)
+
+        # just for the heck of it, try to remove the base build directory:
+        # we might have emptied it right now, but if not we don't care
+        try:
+            os.rmdir(self.build_base)
+            log.info("removing '%s'", self.build_base)
+        except OSError:
+            pass

python/Lib/site-packages/setuptools/_distutils/command/config.py

@@ -0,0 +1,348 @@
+"""distutils.command.config
+
+Implements the Distutils 'config' command, a (mostly) empty command class
+that exists mainly to be sub-classed by specific module distributions and
+applications.  The idea is that while every "config" command is different,
+at least they're all named the same, and users always see "config" in the
+list of standard commands.  Also, this is a good place to put common
+configure-like tasks: "try to compile this C code", or "figure out where
+this header file lives".
+"""
+
+from __future__ import annotations
+
+import os
+import pathlib
+import re
+from collections.abc import Sequence
+from distutils._log import log
+
+from ..ccompiler import CCompiler, CompileError, LinkError, new_compiler
+from ..core import Command
+from ..errors import DistutilsExecError
+from ..sysconfig import customize_compiler
+
+LANG_EXT = {"c": ".c", "c++": ".cxx"}
+
+
+class config(Command):
+    description = "prepare to build"
+
+    user_options = [
+        ('compiler=', None, "specify the compiler type"),
+        ('cc=', None, "specify the compiler executable"),
+        ('include-dirs=', 'I', "list of directories to search for header files"),
+        ('define=', 'D', "C preprocessor macros to define"),
+        ('undef=', 'U', "C preprocessor macros to undefine"),
+        ('libraries=', 'l', "external C libraries to link with"),
+        ('library-dirs=', 'L', "directories to search for external C libraries"),
+        ('noisy', None, "show every action (compile, link, run, ...) taken"),
+        (
+            'dump-source',
+            None,
+            "dump generated source files before attempting to compile them",
+        ),
+    ]
+
+    # The three standard command methods: since the "config" command
+    # does nothing by default, these are empty.
+
+    def initialize_options(self):
+        self.compiler = None
+        self.cc = None
+        self.include_dirs = None
+        self.libraries = None
+        self.library_dirs = None
+
+        # maximal output for now
+        self.noisy = 1
+        self.dump_source = 1
+
+        # list of temporary files generated along-the-way that we have
+        # to clean at some point
+        self.temp_files = []
+
+    def finalize_options(self):
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        elif isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        if self.libraries is None:
+            self.libraries = []
+        elif isinstance(self.libraries, str):
+            self.libraries = [self.libraries]
+
+        if self.library_dirs is None:
+            self.library_dirs = []
+        elif isinstance(self.library_dirs, str):
+            self.library_dirs = self.library_dirs.split(os.pathsep)
+
+    def run(self):
+        pass
+
+    # Utility methods for actual "config" commands.  The interfaces are
+    # loosely based on Autoconf macros of similar names.  Sub-classes
+    # may use these freely.
+
+    def _check_compiler(self):
+        """Check that 'self.compiler' really is a CCompiler object;
+        if not, make it one.
+        """
+        if not isinstance(self.compiler, CCompiler):
+            self.compiler = new_compiler(compiler=self.compiler, force=True)
+            customize_compiler(self.compiler)
+            if self.include_dirs:
+                self.compiler.set_include_dirs(self.include_dirs)
+            if self.libraries:
+                self.compiler.set_libraries(self.libraries)
+            if self.library_dirs:
+                self.compiler.set_library_dirs(self.library_dirs)
+
+    def _gen_temp_sourcefile(self, body, headers, lang):
+        filename = "_configtest" + LANG_EXT[lang]
+        with open(filename, "w", encoding='utf-8') as file:
+            if headers:
+                for header in headers:
+                    file.write(f"#include <{header}>\n")
+                file.write("\n")
+            file.write(body)
+            if body[-1] != "\n":
+                file.write("\n")
+        return filename
+
+    def _preprocess(self, body, headers, include_dirs, lang):
+        src = self._gen_temp_sourcefile(body, headers, lang)
+        out = "_configtest.i"
+        self.temp_files.extend([src, out])
+        self.compiler.preprocess(src, out, include_dirs=include_dirs)
+        return (src, out)
+
+    def _compile(self, body, headers, include_dirs, lang):
+        src = self._gen_temp_sourcefile(body, headers, lang)
+        if self.dump_source:
+            dump_file(src, f"compiling '{src}':")
+        (obj,) = self.compiler.object_filenames([src])
+        self.temp_files.extend([src, obj])
+        self.compiler.compile([src], include_dirs=include_dirs)
+        return (src, obj)
+
+    def _link(self, body, headers, include_dirs, libraries, library_dirs, lang):
+        (src, obj) = self._compile(body, headers, include_dirs, lang)
+        prog = os.path.splitext(os.path.basename(src))[0]
+        self.compiler.link_executable(
+            [obj],
+            prog,
+            libraries=libraries,
+            library_dirs=library_dirs,
+            target_lang=lang,
+        )
+
+        if self.compiler.exe_extension is not None:
+            prog = prog + self.compiler.exe_extension
+        self.temp_files.append(prog)
+
+        return (src, obj, prog)
+
+    def _clean(self, *filenames):
+        if not filenames:
+            filenames = self.temp_files
+            self.temp_files = []
+        log.info("removing: %s", ' '.join(filenames))
+        for filename in filenames:
+            try:
+                os.remove(filename)
+            except OSError:
+                pass
+
+    # XXX need access to the header search path and maybe default macros.
+
+    def try_cpp(self, body=None, headers=None, include_dirs=None, lang="c"):
+        """Construct a source file from 'body' (a string containing lines
+        of C/C++ code) and 'headers' (a list of header files to include)
+        and run it through the preprocessor.  Return true if the
+        preprocessor succeeded, false if there were any errors.
+        ('body' probably isn't of much use, but what the heck.)
+        """
+        self._check_compiler()
+        ok = True
+        try:
+            self._preprocess(body, headers, include_dirs, lang)
+        except CompileError:
+            ok = False
+
+        self._clean()
+        return ok
+
+    def search_cpp(self, pattern, body=None, headers=None, include_dirs=None, lang="c"):
+        """Construct a source file (just like 'try_cpp()'), run it through
+        the preprocessor, and return true if any line of the output matches
+        'pattern'.  'pattern' should either be a compiled regex object or a
+        string containing a regex.  If both 'body' and 'headers' are None,
+        preprocesses an empty file -- which can be useful to determine the
+        symbols the preprocessor and compiler set by default.
+        """
+        self._check_compiler()
+        src, out = self._preprocess(body, headers, include_dirs, lang)
+
+        if isinstance(pattern, str):
+            pattern = re.compile(pattern)
+
+        with open(out, encoding='utf-8') as file:
+            match = any(pattern.search(line) for line in file)
+
+        self._clean()
+        return match
+
+    def try_compile(self, body, headers=None, include_dirs=None, lang="c"):
+        """Try to compile a source file built from 'body' and 'headers'.
+        Return true on success, false otherwise.
+        """
+        self._check_compiler()
+        try:
+            self._compile(body, headers, include_dirs, lang)
+            ok = True
+        except CompileError:
+            ok = False
+
+        log.info(ok and "success!" or "failure.")
+        self._clean()
+        return ok
+
+    def try_link(
+        self,
+        body,
+        headers=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+        lang="c",
+    ):
+        """Try to compile and link a source file, built from 'body' and
+        'headers', to executable form.  Return true on success, false
+        otherwise.
+        """
+        self._check_compiler()
+        try:
+            self._link(body, headers, include_dirs, libraries, library_dirs, lang)
+            ok = True
+        except (CompileError, LinkError):
+            ok = False
+
+        log.info(ok and "success!" or "failure.")
+        self._clean()
+        return ok
+
+    def try_run(
+        self,
+        body,
+        headers=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+        lang="c",
+    ):
+        """Try to compile, link to an executable, and run a program
+        built from 'body' and 'headers'.  Return true on success, false
+        otherwise.
+        """
+        self._check_compiler()
+        try:
+            src, obj, exe = self._link(
+                body, headers, include_dirs, libraries, library_dirs, lang
+            )
+            self.spawn([exe])
+            ok = True
+        except (CompileError, LinkError, DistutilsExecError):
+            ok = False
+
+        log.info(ok and "success!" or "failure.")
+        self._clean()
+        return ok
+
+    # -- High-level methods --------------------------------------------
+    # (these are the ones that are actually likely to be useful
+    # when implementing a real-world config command!)
+
+    def check_func(
+        self,
+        func,
+        headers=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+        decl=False,
+        call=False,
+    ):
+        """Determine if function 'func' is available by constructing a
+        source file that refers to 'func', and compiles and links it.
+        If everything succeeds, returns true; otherwise returns false.
+
+        The constructed source file starts out by including the header
+        files listed in 'headers'.  If 'decl' is true, it then declares
+        'func' (as "int func()"); you probably shouldn't supply 'headers'
+        and set 'decl' true in the same call, or you might get errors about
+        a conflicting declarations for 'func'.  Finally, the constructed
+        'main()' function either references 'func' or (if 'call' is true)
+        calls it.  'libraries' and 'library_dirs' are used when
+        linking.
+        """
+        self._check_compiler()
+        body = []
+        if decl:
+            body.append(f"int {func} ();")
+        body.append("int main () {")
+        if call:
+            body.append(f"  {func}();")
+        else:
+            body.append(f"  {func};")
+        body.append("}")
+        body = "\n".join(body) + "\n"
+
+        return self.try_link(body, headers, include_dirs, libraries, library_dirs)
+
+    def check_lib(
+        self,
+        library,
+        library_dirs=None,
+        headers=None,
+        include_dirs=None,
+        other_libraries: Sequence[str] = [],
+    ):
+        """Determine if 'library' is available to be linked against,
+        without actually checking that any particular symbols are provided
+        by it.  'headers' will be used in constructing the source file to
+        be compiled, but the only effect of this is to check if all the
+        header files listed are available.  Any libraries listed in
+        'other_libraries' will be included in the link, in case 'library'
+        has symbols that depend on other libraries.
+        """
+        self._check_compiler()
+        return self.try_link(
+            "int main (void) { }",
+            headers,
+            include_dirs,
+            [library] + list(other_libraries),
+            library_dirs,
+        )
+
+    def check_header(self, header, include_dirs=None, library_dirs=None, lang="c"):
+        """Determine if the system header file named by 'header_file'
+        exists and can be found by the preprocessor; return true if so,
+        false otherwise.
+        """
+        return self.try_cpp(
+            body="/* No body */", headers=[header], include_dirs=include_dirs
+        )
+
+
+def dump_file(filename, head=None):
+    """Dumps a file content into log.info.
+
+    If head is not None, will be dumped before the file content.
+    """
+    if head is None:
+        log.info('%s', filename)
+    else:
+        log.info(head)
+    log.info(pathlib.Path(filename).read_text(encoding='utf-8'))

python/Lib/site-packages/setuptools/_distutils/command/install.py

@@ -0,0 +1,805 @@
+"""distutils.command.install
+
+Implements the Distutils 'install' command."""
+
+from __future__ import annotations
+
+import collections
+import contextlib
+import itertools
+import os
+import sys
+import sysconfig
+from distutils._log import log
+from site import USER_BASE, USER_SITE
+from typing import ClassVar
+
+from ..core import Command
+from ..debug import DEBUG
+from ..errors import DistutilsOptionError, DistutilsPlatformError
+from ..file_util import write_file
+from ..sysconfig import get_config_vars
+from ..util import change_root, convert_path, get_platform, subst_vars
+from . import _framework_compat as fw
+
+HAS_USER_SITE = True
+
+WINDOWS_SCHEME = {
+    'purelib': '{base}/Lib/site-packages',
+    'platlib': '{base}/Lib/site-packages',
+    'headers': '{base}/Include/{dist_name}',
+    'scripts': '{base}/Scripts',
+    'data': '{base}',
+}
+
+INSTALL_SCHEMES = {
+    'posix_prefix': {
+        'purelib': '{base}/lib/{implementation_lower}{py_version_short}/site-packages',
+        'platlib': '{platbase}/{platlibdir}/{implementation_lower}'
+        '{py_version_short}/site-packages',
+        'headers': '{base}/include/{implementation_lower}'
+        '{py_version_short}{abiflags}/{dist_name}',
+        'scripts': '{base}/bin',
+        'data': '{base}',
+    },
+    'posix_home': {
+        'purelib': '{base}/lib/{implementation_lower}',
+        'platlib': '{base}/{platlibdir}/{implementation_lower}',
+        'headers': '{base}/include/{implementation_lower}/{dist_name}',
+        'scripts': '{base}/bin',
+        'data': '{base}',
+    },
+    'nt': WINDOWS_SCHEME,
+    'pypy': {
+        'purelib': '{base}/site-packages',
+        'platlib': '{base}/site-packages',
+        'headers': '{base}/include/{dist_name}',
+        'scripts': '{base}/bin',
+        'data': '{base}',
+    },
+    'pypy_nt': {
+        'purelib': '{base}/site-packages',
+        'platlib': '{base}/site-packages',
+        'headers': '{base}/include/{dist_name}',
+        'scripts': '{base}/Scripts',
+        'data': '{base}',
+    },
+}
+
+# user site schemes
+if HAS_USER_SITE:
+    INSTALL_SCHEMES['nt_user'] = {
+        'purelib': '{usersite}',
+        'platlib': '{usersite}',
+        'headers': '{userbase}/{implementation}{py_version_nodot_plat}'
+        '/Include/{dist_name}',
+        'scripts': '{userbase}/{implementation}{py_version_nodot_plat}/Scripts',
+        'data': '{userbase}',
+    }
+
+    INSTALL_SCHEMES['posix_user'] = {
+        'purelib': '{usersite}',
+        'platlib': '{usersite}',
+        'headers': '{userbase}/include/{implementation_lower}'
+        '{py_version_short}{abiflags}/{dist_name}',
+        'scripts': '{userbase}/bin',
+        'data': '{userbase}',
+    }
+
+
+INSTALL_SCHEMES.update(fw.schemes)
+
+
+# The keys to an installation scheme; if any new types of files are to be
+# installed, be sure to add an entry to every installation scheme above,
+# and to SCHEME_KEYS here.
+SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
+
+
+def _load_sysconfig_schemes():
+    with contextlib.suppress(AttributeError):
+        return {
+            scheme: sysconfig.get_paths(scheme, expand=False)
+            for scheme in sysconfig.get_scheme_names()
+        }
+
+
+def _load_schemes():
+    """
+    Extend default schemes with schemes from sysconfig.
+    """
+
+    sysconfig_schemes = _load_sysconfig_schemes() or {}
+
+    return {
+        scheme: {
+            **INSTALL_SCHEMES.get(scheme, {}),
+            **sysconfig_schemes.get(scheme, {}),
+        }
+        for scheme in set(itertools.chain(INSTALL_SCHEMES, sysconfig_schemes))
+    }
+
+
+def _get_implementation():
+    if hasattr(sys, 'pypy_version_info'):
+        return 'PyPy'
+    else:
+        return 'Python'
+
+
+def _select_scheme(ob, name):
+    scheme = _inject_headers(name, _load_scheme(_resolve_scheme(name)))
+    vars(ob).update(_remove_set(ob, _scheme_attrs(scheme)))
+
+
+def _remove_set(ob, attrs):
+    """
+    Include only attrs that are None in ob.
+    """
+    return {key: value for key, value in attrs.items() if getattr(ob, key) is None}
+
+
+def _resolve_scheme(name):
+    os_name, sep, key = name.partition('_')
+    try:
+        resolved = sysconfig.get_preferred_scheme(key)
+    except Exception:
+        resolved = fw.scheme(name)
+    return resolved
+
+
+def _load_scheme(name):
+    return _load_schemes()[name]
+
+
+def _inject_headers(name, scheme):
+    """
+    Given a scheme name and the resolved scheme,
+    if the scheme does not include headers, resolve
+    the fallback scheme for the name and use headers
+    from it. pypa/distutils#88
+    """
+    # Bypass the preferred scheme, which may not
+    # have defined headers.
+    fallback = _load_scheme(name)
+    scheme.setdefault('headers', fallback['headers'])
+    return scheme
+
+
+def _scheme_attrs(scheme):
+    """Resolve install directories by applying the install schemes."""
+    return {f'install_{key}': scheme[key] for key in SCHEME_KEYS}
+
+
+class install(Command):
+    description = "install everything from build directory"
+
+    user_options = [
+        # Select installation scheme and set base director(y|ies)
+        ('prefix=', None, "installation prefix"),
+        ('exec-prefix=', None, "(Unix only) prefix for platform-specific files"),
+        ('home=', None, "(Unix only) home directory to install under"),
+        # Or, just set the base director(y|ies)
+        (
+            'install-base=',
+            None,
+            "base installation directory (instead of --prefix or --home)",
+        ),
+        (
+            'install-platbase=',
+            None,
+            "base installation directory for platform-specific files (instead of --exec-prefix or --home)",
+        ),
+        ('root=', None, "install everything relative to this alternate root directory"),
+        # Or, explicitly set the installation scheme
+        (
+            'install-purelib=',
+            None,
+            "installation directory for pure Python module distributions",
+        ),
+        (
+            'install-platlib=',
+            None,
+            "installation directory for non-pure module distributions",
+        ),
+        (
+            'install-lib=',
+            None,
+            "installation directory for all module distributions (overrides --install-purelib and --install-platlib)",
+        ),
+        ('install-headers=', None, "installation directory for C/C++ headers"),
+        ('install-scripts=', None, "installation directory for Python scripts"),
+        ('install-data=', None, "installation directory for data files"),
+        # Byte-compilation options -- see install_lib.py for details, as
+        # these are duplicated from there (but only install_lib does
+        # anything with them).
+        ('compile', 'c', "compile .py to .pyc [default]"),
+        ('no-compile', None, "don't compile .py files"),
+        (
+            'optimize=',
+            'O',
+            "also compile with optimization: -O1 for \"python -O\", "
+            "-O2 for \"python -OO\", and -O0 to disable [default: -O0]",
+        ),
+        # Miscellaneous control options
+        ('force', 'f', "force installation (overwrite any existing files)"),
+        ('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
+        # Where to install documentation (eventually!)
+        # ('doc-format=', None, "format of documentation to generate"),
+        # ('install-man=', None, "directory for Unix man pages"),
+        # ('install-html=', None, "directory for HTML documentation"),
+        # ('install-info=', None, "directory for GNU info files"),
+        ('record=', None, "filename in which to record list of installed files"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['compile', 'force', 'skip-build']
+
+    if HAS_USER_SITE:
+        user_options.append((
+            'user',
+            None,
+            f"install in user site-package '{USER_SITE}'",
+        ))
+        boolean_options.append('user')
+
+    negative_opt: ClassVar[dict[str, str]] = {'no-compile': 'compile'}
+
+    def initialize_options(self) -> None:
+        """Initializes options."""
+        # High-level options: these select both an installation base
+        # and scheme.
+        self.prefix: str | None = None
+        self.exec_prefix: str | None = None
+        self.home: str | None = None
+        self.user = False
+
+        # These select only the installation base; it's up to the user to
+        # specify the installation scheme (currently, that means supplying
+        # the --install-{platlib,purelib,scripts,data} options).
+        self.install_base = None
+        self.install_platbase = None
+        self.root: str | None = None
+
+        # These options are the actual installation directories; if not
+        # supplied by the user, they are filled in using the installation
+        # scheme implied by prefix/exec-prefix/home and the contents of
+        # that installation scheme.
+        self.install_purelib = None  # for pure module distributions
+        self.install_platlib = None  # non-pure (dists w/ extensions)
+        self.install_headers = None  # for C/C++ headers
+        self.install_lib: str | None = None  # set to either purelib or platlib
+        self.install_scripts = None
+        self.install_data = None
+        self.install_userbase = USER_BASE
+        self.install_usersite = USER_SITE
+
+        self.compile = None
+        self.optimize = None
+
+        # Deprecated
+        # These two are for putting non-packagized distributions into their
+        # own directory and creating a .pth file if it makes sense.
+        # 'extra_path' comes from the setup file; 'install_path_file' can
+        # be turned off if it makes no sense to install a .pth file.  (But
+        # better to install it uselessly than to guess wrong and not
+        # install it when it's necessary and would be used!)  Currently,
+        # 'install_path_file' is always true unless some outsider meddles
+        # with it.
+        self.extra_path = None
+        self.install_path_file = True
+
+        # 'force' forces installation, even if target files are not
+        # out-of-date.  'skip_build' skips running the "build" command,
+        # handy if you know it's not necessary.  'warn_dir' (which is *not*
+        # a user option, it's just there so the bdist_* commands can turn
+        # it off) determines whether we warn about installing to a
+        # directory not in sys.path.
+        self.force = False
+        self.skip_build = False
+        self.warn_dir = True
+
+        # These are only here as a conduit from the 'build' command to the
+        # 'install_*' commands that do the real work.  ('build_base' isn't
+        # actually used anywhere, but it might be useful in future.)  They
+        # are not user options, because if the user told the install
+        # command where the build directory is, that wouldn't affect the
+        # build command.
+        self.build_base = None
+        self.build_lib = None
+
+        # Not defined yet because we don't know anything about
+        # documentation yet.
+        # self.install_man = None
+        # self.install_html = None
+        # self.install_info = None
+
+        self.record = None
+
+    # -- Option finalizing methods -------------------------------------
+    # (This is rather more involved than for most commands,
+    # because this is where the policy for installing third-
+    # party Python modules on various platforms given a wide
+    # array of user input is decided.  Yes, it's quite complex!)
+
+    def finalize_options(self) -> None:  # noqa: C901
+        """Finalizes options."""
+        # This method (and its helpers, like 'finalize_unix()',
+        # 'finalize_other()', and 'select_scheme()') is where the default
+        # installation directories for modules, extension modules, and
+        # anything else we care to install from a Python module
+        # distribution.  Thus, this code makes a pretty important policy
+        # statement about how third-party stuff is added to a Python
+        # installation!  Note that the actual work of installation is done
+        # by the relatively simple 'install_*' commands; they just take
+        # their orders from the installation directory options determined
+        # here.
+
+        # Check for errors/inconsistencies in the options; first, stuff
+        # that's wrong on any platform.
+
+        if (self.prefix or self.exec_prefix or self.home) and (
+            self.install_base or self.install_platbase
+        ):
+            raise DistutilsOptionError(
+                "must supply either prefix/exec-prefix/home or install-base/install-platbase -- not both"
+            )
+
+        if self.home and (self.prefix or self.exec_prefix):
+            raise DistutilsOptionError(
+                "must supply either home or prefix/exec-prefix -- not both"
+            )
+
+        if self.user and (
+            self.prefix
+            or self.exec_prefix
+            or self.home
+            or self.install_base
+            or self.install_platbase
+        ):
+            raise DistutilsOptionError(
+                "can't combine user with prefix, "
+                "exec_prefix/home, or install_(plat)base"
+            )
+
+        # Next, stuff that's wrong (or dubious) only on certain platforms.
+        if os.name != "posix":
+            if self.exec_prefix:
+                self.warn("exec-prefix option ignored on this platform")
+                self.exec_prefix = None
+
+        # Now the interesting logic -- so interesting that we farm it out
+        # to other methods.  The goal of these methods is to set the final
+        # values for the install_{lib,scripts,data,...}  options, using as
+        # input a heady brew of prefix, exec_prefix, home, install_base,
+        # install_platbase, user-supplied versions of
+        # install_{purelib,platlib,lib,scripts,data,...}, and the
+        # install schemes.  Phew!
+
+        self.dump_dirs("pre-finalize_{unix,other}")
+
+        if os.name == 'posix':
+            self.finalize_unix()
+        else:
+            self.finalize_other()
+
+        self.dump_dirs("post-finalize_{unix,other}()")
+
+        # Expand configuration variables, tilde, etc. in self.install_base
+        # and self.install_platbase -- that way, we can use $base or
+        # $platbase in the other installation directories and not worry
+        # about needing recursive variable expansion (shudder).
+
+        py_version = sys.version.split()[0]
+        (prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
+        try:
+            abiflags = sys.abiflags
+        except AttributeError:
+            # sys.abiflags may not be defined on all platforms.
+            abiflags = ''
+        local_vars = {
+            'dist_name': self.distribution.get_name(),
+            'dist_version': self.distribution.get_version(),
+            'dist_fullname': self.distribution.get_fullname(),
+            'py_version': py_version,
+            'py_version_short': f'{sys.version_info.major}.{sys.version_info.minor}',
+            'py_version_nodot': f'{sys.version_info.major}{sys.version_info.minor}',
+            'sys_prefix': prefix,
+            'prefix': prefix,
+            'sys_exec_prefix': exec_prefix,
+            'exec_prefix': exec_prefix,
+            'abiflags': abiflags,
+            'platlibdir': getattr(sys, 'platlibdir', 'lib'),
+            'implementation_lower': _get_implementation().lower(),
+            'implementation': _get_implementation(),
+        }
+
+        # vars for compatibility on older Pythons
+        compat_vars = dict(
+            # Python 3.9 and earlier
+            py_version_nodot_plat=getattr(sys, 'winver', '').replace('.', ''),
+        )
+
+        if HAS_USER_SITE:
+            local_vars['userbase'] = self.install_userbase
+            local_vars['usersite'] = self.install_usersite
+
+        self.config_vars = collections.ChainMap(
+            local_vars,
+            sysconfig.get_config_vars(),
+            compat_vars,
+            fw.vars(),
+        )
+
+        self.expand_basedirs()
+
+        self.dump_dirs("post-expand_basedirs()")
+
+        # Now define config vars for the base directories so we can expand
+        # everything else.
+        local_vars['base'] = self.install_base
+        local_vars['platbase'] = self.install_platbase
+
+        if DEBUG:
+            from pprint import pprint
+
+            print("config vars:")
+            pprint(dict(self.config_vars))
+
+        # Expand "~" and configuration variables in the installation
+        # directories.
+        self.expand_dirs()
+
+        self.dump_dirs("post-expand_dirs()")
+
+        # Create directories in the home dir:
+        if self.user:
+            self.create_home_path()
+
+        # Pick the actual directory to install all modules to: either
+        # install_purelib or install_platlib, depending on whether this
+        # module distribution is pure or not.  Of course, if the user
+        # already specified install_lib, use their selection.
+        if self.install_lib is None:
+            if self.distribution.has_ext_modules():  # has extensions: non-pure
+                self.install_lib = self.install_platlib
+            else:
+                self.install_lib = self.install_purelib
+
+        # Convert directories from Unix /-separated syntax to the local
+        # convention.
+        self.convert_paths(
+            'lib',
+            'purelib',
+            'platlib',
+            'scripts',
+            'data',
+            'headers',
+            'userbase',
+            'usersite',
+        )
+
+        # Deprecated
+        # Well, we're not actually fully completely finalized yet: we still
+        # have to deal with 'extra_path', which is the hack for allowing
+        # non-packagized module distributions (hello, Numerical Python!) to
+        # get their own directories.
+        self.handle_extra_path()
+        self.install_libbase = self.install_lib  # needed for .pth file
+        self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
+
+        # If a new root directory was supplied, make all the installation
+        # dirs relative to it.
+        if self.root is not None:
+            self.change_roots(
+                'libbase', 'lib', 'purelib', 'platlib', 'scripts', 'data', 'headers'
+            )
+
+        self.dump_dirs("after prepending root")
+
+        # Find out the build directories, ie. where to install from.
+        self.set_undefined_options(
+            'build', ('build_base', 'build_base'), ('build_lib', 'build_lib')
+        )
+
+        # Punt on doc directories for now -- after all, we're punting on
+        # documentation completely!
+
+    def dump_dirs(self, msg) -> None:
+        """Dumps the list of user options."""
+        if not DEBUG:
+            return
+        from ..fancy_getopt import longopt_xlate
+
+        log.debug(msg + ":")
+        for opt in self.user_options:
+            opt_name = opt[0]
+            if opt_name[-1] == "=":
+                opt_name = opt_name[0:-1]
+            if opt_name in self.negative_opt:
+                opt_name = self.negative_opt[opt_name]
+                opt_name = opt_name.translate(longopt_xlate)
+                val = not getattr(self, opt_name)
+            else:
+                opt_name = opt_name.translate(longopt_xlate)
+                val = getattr(self, opt_name)
+            log.debug("  %s: %s", opt_name, val)
+
+    def finalize_unix(self) -> None:
+        """Finalizes options for posix platforms."""
+        if self.install_base is not None or self.install_platbase is not None:
+            incomplete_scheme = (
+                (
+                    self.install_lib is None
+                    and self.install_purelib is None
+                    and self.install_platlib is None
+                )
+                or self.install_headers is None
+                or self.install_scripts is None
+                or self.install_data is None
+            )
+            if incomplete_scheme:
+                raise DistutilsOptionError(
+                    "install-base or install-platbase supplied, but "
+                    "installation scheme is incomplete"
+                )
+            return
+
+        if self.user:
+            if self.install_userbase is None:
+                raise DistutilsPlatformError("User base directory is not specified")
+            self.install_base = self.install_platbase = self.install_userbase
+            self.select_scheme("posix_user")
+        elif self.home is not None:
+            self.install_base = self.install_platbase = self.home
+            self.select_scheme("posix_home")
+        else:
+            if self.prefix is None:
+                if self.exec_prefix is not None:
+                    raise DistutilsOptionError(
+                        "must not supply exec-prefix without prefix"
+                    )
+
+                # Allow Fedora to add components to the prefix
+                _prefix_addition = getattr(sysconfig, '_prefix_addition', "")
+
+                self.prefix = os.path.normpath(sys.prefix) + _prefix_addition
+                self.exec_prefix = os.path.normpath(sys.exec_prefix) + _prefix_addition
+
+            else:
+                if self.exec_prefix is None:
+                    self.exec_prefix = self.prefix
+
+            self.install_base = self.prefix
+            self.install_platbase = self.exec_prefix
+            self.select_scheme("posix_prefix")
+
+    def finalize_other(self) -> None:
+        """Finalizes options for non-posix platforms"""
+        if self.user:
+            if self.install_userbase is None:
+                raise DistutilsPlatformError("User base directory is not specified")
+            self.install_base = self.install_platbase = self.install_userbase
+            self.select_scheme(os.name + "_user")
+        elif self.home is not None:
+            self.install_base = self.install_platbase = self.home
+            self.select_scheme("posix_home")
+        else:
+            if self.prefix is None:
+                self.prefix = os.path.normpath(sys.prefix)
+
+            self.install_base = self.install_platbase = self.prefix
+            try:
+                self.select_scheme(os.name)
+            except KeyError:
+                raise DistutilsPlatformError(
+                    f"I don't know how to install stuff on '{os.name}'"
+                )
+
+    def select_scheme(self, name) -> None:
+        _select_scheme(self, name)
+
+    def _expand_attrs(self, attrs):
+        for attr in attrs:
+            val = getattr(self, attr)
+            if val is not None:
+                if os.name in ('posix', 'nt'):
+                    val = os.path.expanduser(val)
+                val = subst_vars(val, self.config_vars)
+                setattr(self, attr, val)
+
+    def expand_basedirs(self) -> None:
+        """Calls `os.path.expanduser` on install_base, install_platbase and
+        root."""
+        self._expand_attrs(['install_base', 'install_platbase', 'root'])
+
+    def expand_dirs(self) -> None:
+        """Calls `os.path.expanduser` on install dirs."""
+        self._expand_attrs([
+            'install_purelib',
+            'install_platlib',
+            'install_lib',
+            'install_headers',
+            'install_scripts',
+            'install_data',
+        ])
+
+    def convert_paths(self, *names) -> None:
+        """Call `convert_path` over `names`."""
+        for name in names:
+            attr = "install_" + name
+            setattr(self, attr, convert_path(getattr(self, attr)))
+
+    def handle_extra_path(self) -> None:
+        """Set `path_file` and `extra_dirs` using `extra_path`."""
+        if self.extra_path is None:
+            self.extra_path = self.distribution.extra_path
+
+        if self.extra_path is not None:
+            log.warning(
+                "Distribution option extra_path is deprecated. "
+                "See issue27919 for details."
+            )
+            if isinstance(self.extra_path, str):
+                self.extra_path = self.extra_path.split(',')
+
+            if len(self.extra_path) == 1:
+                path_file = extra_dirs = self.extra_path[0]
+            elif len(self.extra_path) == 2:
+                path_file, extra_dirs = self.extra_path
+            else:
+                raise DistutilsOptionError(
+                    "'extra_path' option must be a list, tuple, or "
+                    "comma-separated string with 1 or 2 elements"
+                )
+
+            # convert to local form in case Unix notation used (as it
+            # should be in setup scripts)
+            extra_dirs = convert_path(extra_dirs)
+        else:
+            path_file = None
+            extra_dirs = ''
+
+        # XXX should we warn if path_file and not extra_dirs? (in which
+        # case the path file would be harmless but pointless)
+        self.path_file = path_file
+        self.extra_dirs = extra_dirs
+
+    def change_roots(self, *names) -> None:
+        """Change the install directories pointed by name using root."""
+        for name in names:
+            attr = "install_" + name
+            setattr(self, attr, change_root(self.root, getattr(self, attr)))
+
+    def create_home_path(self) -> None:
+        """Create directories under ~."""
+        if not self.user:
+            return
+        home = convert_path(os.path.expanduser("~"))
+        for path in self.config_vars.values():
+            if str(path).startswith(home) and not os.path.isdir(path):
+                self.debug_print(f"os.makedirs('{path}', 0o700)")
+                os.makedirs(path, 0o700)
+
+    # -- Command execution methods -------------------------------------
+
+    def run(self):
+        """Runs the command."""
+        # Obviously have to build before we can install
+        if not self.skip_build:
+            self.run_command('build')
+            # If we built for any other platform, we can't install.
+            build_plat = self.distribution.get_command_obj('build').plat_name
+            # check warn_dir - it is a clue that the 'install' is happening
+            # internally, and not to sys.path, so we don't check the platform
+            # matches what we are running.
+            if self.warn_dir and build_plat != get_platform():
+                raise DistutilsPlatformError("Can't install when cross-compiling")
+
+        # Run all sub-commands (at least those that need to be run)
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        if self.path_file:
+            self.create_path_file()
+
+        # write list of installed files, if requested.
+        if self.record:
+            outputs = self.get_outputs()
+            if self.root:  # strip any package prefix
+                root_len = len(self.root)
+                for counter in range(len(outputs)):
+                    outputs[counter] = outputs[counter][root_len:]
+            self.execute(
+                write_file,
+                (self.record, outputs),
+                f"writing list of installed files to '{self.record}'",
+            )
+
+        sys_path = map(os.path.normpath, sys.path)
+        sys_path = map(os.path.normcase, sys_path)
+        install_lib = os.path.normcase(os.path.normpath(self.install_lib))
+        if (
+            self.warn_dir
+            and not (self.path_file and self.install_path_file)
+            and install_lib not in sys_path
+        ):
+            log.debug(
+                (
+                    "modules installed to '%s', which is not in "
+                    "Python's module search path (sys.path) -- "
+                    "you'll have to change the search path yourself"
+                ),
+                self.install_lib,
+            )
+
+    def create_path_file(self):
+        """Creates the .pth file"""
+        filename = os.path.join(self.install_libbase, self.path_file + ".pth")
+        if self.install_path_file:
+            self.execute(
+                write_file, (filename, [self.extra_dirs]), f"creating {filename}"
+            )
+        else:
+            self.warn(f"path file '{filename}' not created")
+
+    # -- Reporting methods ---------------------------------------------
+
+    def get_outputs(self):
+        """Assembles the outputs of all the sub-commands."""
+        outputs = []
+        for cmd_name in self.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            # Add the contents of cmd.get_outputs(), ensuring
+            # that outputs doesn't contain duplicate entries
+            for filename in cmd.get_outputs():
+                if filename not in outputs:
+                    outputs.append(filename)
+
+        if self.path_file and self.install_path_file:
+            outputs.append(os.path.join(self.install_libbase, self.path_file + ".pth"))
+
+        return outputs
+
+    def get_inputs(self):
+        """Returns the inputs of all the sub-commands"""
+        # XXX gee, this looks familiar ;-(
+        inputs = []
+        for cmd_name in self.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            inputs.extend(cmd.get_inputs())
+
+        return inputs
+
+    # -- Predicates for sub-command list -------------------------------
+
+    def has_lib(self):
+        """Returns true if the current distribution has any Python
+        modules to install."""
+        return (
+            self.distribution.has_pure_modules() or self.distribution.has_ext_modules()
+        )
+
+    def has_headers(self):
+        """Returns true if the current distribution has any headers to
+        install."""
+        return self.distribution.has_headers()
+
+    def has_scripts(self):
+        """Returns true if the current distribution has any scripts to.
+        install."""
+        return self.distribution.has_scripts()
+
+    def has_data(self):
+        """Returns true if the current distribution has any data to.
+        install."""
+        return self.distribution.has_data_files()
+
+    # 'sub_commands': a list of commands this command might have to run to
+    # get its work done.  See cmd.py for more info.
+    sub_commands = [
+        ('install_lib', has_lib),
+        ('install_headers', has_headers),
+        ('install_scripts', has_scripts),
+        ('install_data', has_data),
+        ('install_egg_info', lambda self: True),
+    ]

python/Lib/site-packages/setuptools/_distutils/command/install_data.py

@@ -0,0 +1,94 @@
+"""distutils.command.install_data
+
+Implements the Distutils 'install_data' command, for installing
+platform-independent data files."""
+
+# contributed by Bastian Kleineidam
+
+from __future__ import annotations
+
+import functools
+import os
+from collections.abc import Iterable
+from typing import ClassVar
+
+from ..core import Command
+from ..util import change_root, convert_path
+
+
+class install_data(Command):
+    description = "install data files"
+
+    user_options = [
+        (
+            'install-dir=',
+            'd',
+            "base directory for installing data files [default: installation base dir]",
+        ),
+        ('root=', None, "install everything relative to this alternate root directory"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['force']
+
+    def initialize_options(self):
+        self.install_dir = None
+        self.outfiles = []
+        self.root = None
+        self.force = False
+        self.data_files = self.distribution.data_files
+        self.warn_dir = True
+
+    def finalize_options(self) -> None:
+        self.set_undefined_options(
+            'install',
+            ('install_data', 'install_dir'),
+            ('root', 'root'),
+            ('force', 'force'),
+        )
+
+    def run(self) -> None:
+        self.mkpath(self.install_dir)
+        for f in self.data_files:
+            self._copy(f)
+
+    @functools.singledispatchmethod
+    def _copy(self, f: tuple[str | os.PathLike, Iterable[str | os.PathLike]]):
+        # it's a tuple with path to install to and a list of files
+        dir = convert_path(f[0])
+        if not os.path.isabs(dir):
+            dir = os.path.join(self.install_dir, dir)
+        elif self.root:
+            dir = change_root(self.root, dir)
+        self.mkpath(dir)
+
+        if f[1] == []:
+            # If there are no files listed, the user must be
+            # trying to create an empty directory, so add the
+            # directory to the list of output files.
+            self.outfiles.append(dir)
+        else:
+            # Copy files, adding them to the list of output files.
+            for data in f[1]:
+                data = convert_path(data)
+                (out, _) = self.copy_file(data, dir)
+                self.outfiles.append(out)
+
+    @_copy.register(str)
+    @_copy.register(os.PathLike)
+    def _(self, f: str | os.PathLike):
+        # it's a simple file, so copy it
+        f = convert_path(f)
+        if self.warn_dir:
+            self.warn(
+                "setup script did not provide a directory for "
+                f"'{f}' -- installing right in '{self.install_dir}'"
+            )
+        (out, _) = self.copy_file(f, self.install_dir)
+        self.outfiles.append(out)
+
+    def get_inputs(self):
+        return self.data_files or []
+
+    def get_outputs(self):
+        return self.outfiles

python/Lib/site-packages/setuptools/_distutils/command/install_egg_info.py

@@ -0,0 +1,90 @@
+"""
+distutils.command.install_egg_info
+
+Implements the Distutils 'install_egg_info' command, for installing
+a package's PKG-INFO metadata.
+"""
+
+import os
+import re
+import sys
+from typing import ClassVar
+
+from .. import dir_util
+from .._log import log
+from ..cmd import Command
+
+
+class install_egg_info(Command):
+    """Install an .egg-info file for the package"""
+
+    description = "Install package's PKG-INFO metadata as an .egg-info file"
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
+        ('install-dir=', 'd', "directory to install to"),
+    ]
+
+    def initialize_options(self):
+        self.install_dir = None
+
+    @property
+    def basename(self):
+        """
+        Allow basename to be overridden by child class.
+        Ref pypa/distutils#2.
+        """
+        name = to_filename(safe_name(self.distribution.get_name()))
+        version = to_filename(safe_version(self.distribution.get_version()))
+        return f"{name}-{version}-py{sys.version_info.major}.{sys.version_info.minor}.egg-info"
+
+    def finalize_options(self):
+        self.set_undefined_options('install_lib', ('install_dir', 'install_dir'))
+        self.target = os.path.join(self.install_dir, self.basename)
+        self.outputs = [self.target]
+
+    def run(self):
+        target = self.target
+        if os.path.isdir(target) and not os.path.islink(target):
+            dir_util.remove_tree(target)
+        elif os.path.exists(target):
+            self.execute(os.unlink, (self.target,), "Removing " + target)
+        elif not os.path.isdir(self.install_dir):
+            self.execute(
+                os.makedirs, (self.install_dir,), "Creating " + self.install_dir
+            )
+        log.info("Writing %s", target)
+        with open(target, 'w', encoding='UTF-8') as f:
+            self.distribution.metadata.write_pkg_file(f)
+
+    def get_outputs(self):
+        return self.outputs
+
+
+# The following routines are taken from setuptools' pkg_resources module and
+# can be replaced by importing them from pkg_resources once it is included
+# in the stdlib.
+
+
+def safe_name(name):
+    """Convert an arbitrary string to a standard distribution name
+
+    Any runs of non-alphanumeric/. characters are replaced with a single '-'.
+    """
+    return re.sub('[^A-Za-z0-9.]+', '-', name)
+
+
+def safe_version(version):
+    """Convert an arbitrary string to a standard version string
+
+    Spaces become dots, and all other non-alphanumeric characters become
+    dashes, with runs of multiple dashes condensed to a single dash.
+    """
+    version = version.replace(' ', '.')
+    return re.sub('[^A-Za-z0-9.]+', '-', version)
+
+
+def to_filename(name):
+    """Convert a project or version name to its filename-escaped form
+
+    Any '-' characters are currently replaced with '_'.
+    """
+    return name.replace('-', '_')

python/Lib/site-packages/setuptools/_distutils/command/install_headers.py

@@ -0,0 +1,46 @@
+"""distutils.command.install_headers
+
+Implements the Distutils 'install_headers' command, to install C/C++ header
+files to the Python include directory."""
+
+from typing import ClassVar
+
+from ..core import Command
+
+
+# XXX force is never used
+class install_headers(Command):
+    description = "install C/C++ header files"
+
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
+        ('install-dir=', 'd', "directory to install header files to"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['force']
+
+    def initialize_options(self):
+        self.install_dir = None
+        self.force = False
+        self.outfiles = []
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'install', ('install_headers', 'install_dir'), ('force', 'force')
+        )
+
+    def run(self):
+        headers = self.distribution.headers
+        if not headers:
+            return
+
+        self.mkpath(self.install_dir)
+        for header in headers:
+            (out, _) = self.copy_file(header, self.install_dir)
+            self.outfiles.append(out)
+
+    def get_inputs(self):
+        return self.distribution.headers or []
+
+    def get_outputs(self):
+        return self.outfiles

python/Lib/site-packages/setuptools/_distutils/command/install_lib.py

@@ -0,0 +1,236 @@
+"""distutils.command.install_lib
+
+Implements the Distutils 'install_lib' command
+(install all Python modules)."""
+
+from __future__ import annotations
+
+import importlib.util
+import os
+import sys
+from typing import Any, ClassVar
+
+from ..core import Command
+from ..errors import DistutilsOptionError
+
+# Extension for Python source files.
+PYTHON_SOURCE_EXTENSION = ".py"
+
+
+class install_lib(Command):
+    description = "install all Python modules (extensions and pure Python)"
+
+    # The byte-compilation options are a tad confusing.  Here are the
+    # possible scenarios:
+    #   1) no compilation at all (--no-compile --no-optimize)
+    #   2) compile .pyc only (--compile --no-optimize; default)
+    #   3) compile .pyc and "opt-1" .pyc (--compile --optimize)
+    #   4) compile "opt-1" .pyc only (--no-compile --optimize)
+    #   5) compile .pyc and "opt-2" .pyc (--compile --optimize-more)
+    #   6) compile "opt-2" .pyc only (--no-compile --optimize-more)
+    #
+    # The UI for this is two options, 'compile' and 'optimize'.
+    # 'compile' is strictly boolean, and only decides whether to
+    # generate .pyc files.  'optimize' is three-way (0, 1, or 2), and
+    # decides both whether to generate .pyc files and what level of
+    # optimization to use.
+
+    user_options = [
+        ('install-dir=', 'd', "directory to install to"),
+        ('build-dir=', 'b', "build directory (where to install from)"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+        ('compile', 'c', "compile .py to .pyc [default]"),
+        ('no-compile', None, "don't compile .py files"),
+        (
+            'optimize=',
+            'O',
+            "also compile with optimization: -O1 for \"python -O\", "
+            "-O2 for \"python -OO\", and -O0 to disable [default: -O0]",
+        ),
+        ('skip-build', None, "skip the build steps"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['force', 'compile', 'skip-build']
+    negative_opt: ClassVar[dict[str, str]] = {'no-compile': 'compile'}
+
+    def initialize_options(self):
+        # let the 'install' command dictate our installation directory
+        self.install_dir = None
+        self.build_dir = None
+        self.force = False
+        self.compile = None
+        self.optimize = None
+        self.skip_build = None
+
+    def finalize_options(self) -> None:
+        # Get all the information we need to install pure Python modules
+        # from the umbrella 'install' command -- build (source) directory,
+        # install (target) directory, and whether to compile .py files.
+        self.set_undefined_options(
+            'install',
+            ('build_lib', 'build_dir'),
+            ('install_lib', 'install_dir'),
+            ('force', 'force'),
+            ('compile', 'compile'),
+            ('optimize', 'optimize'),
+            ('skip_build', 'skip_build'),
+        )
+
+        if self.compile is None:
+            self.compile = True
+        if self.optimize is None:
+            self.optimize = False
+
+        if not isinstance(self.optimize, int):
+            try:
+                self.optimize = int(self.optimize)
+            except ValueError:
+                pass
+            if self.optimize not in (0, 1, 2):
+                raise DistutilsOptionError("optimize must be 0, 1, or 2")
+
+    def run(self) -> None:
+        # Make sure we have built everything we need first
+        self.build()
+
+        # Install everything: simply dump the entire contents of the build
+        # directory to the installation directory (that's the beauty of
+        # having a build directory!)
+        outfiles = self.install()
+
+        # (Optionally) compile .py to .pyc
+        if outfiles is not None and self.distribution.has_pure_modules():
+            self.byte_compile(outfiles)
+
+    # -- Top-level worker functions ------------------------------------
+    # (called from 'run()')
+
+    def build(self) -> None:
+        if not self.skip_build:
+            if self.distribution.has_pure_modules():
+                self.run_command('build_py')
+            if self.distribution.has_ext_modules():
+                self.run_command('build_ext')
+
+    # Any: https://typing.readthedocs.io/en/latest/guides/writing_stubs.html#the-any-trick
+    def install(self) -> list[str] | Any:
+        if os.path.isdir(self.build_dir):
+            outfiles = self.copy_tree(self.build_dir, self.install_dir)
+        else:
+            self.warn(
+                f"'{self.build_dir}' does not exist -- no Python modules to install"
+            )
+            return
+        return outfiles
+
+    def byte_compile(self, files) -> None:
+        if sys.dont_write_bytecode:
+            self.warn('byte-compiling is disabled, skipping.')
+            return
+
+        from ..util import byte_compile
+
+        # Get the "--root" directory supplied to the "install" command,
+        # and use it as a prefix to strip off the purported filename
+        # encoded in bytecode files.  This is far from complete, but it
+        # should at least generate usable bytecode in RPM distributions.
+        install_root = self.get_finalized_command('install').root
+
+        if self.compile:
+            byte_compile(
+                files,
+                optimize=0,
+                force=self.force,
+                prefix=install_root,
+            )
+        if self.optimize > 0:
+            byte_compile(
+                files,
+                optimize=self.optimize,
+                force=self.force,
+                prefix=install_root,
+                verbose=self.verbose,
+            )
+
+    # -- Utility methods -----------------------------------------------
+
+    def _mutate_outputs(self, has_any, build_cmd, cmd_option, output_dir):
+        if not has_any:
+            return []
+
+        build_cmd = self.get_finalized_command(build_cmd)
+        build_files = build_cmd.get_outputs()
+        build_dir = getattr(build_cmd, cmd_option)
+
+        prefix_len = len(build_dir) + len(os.sep)
+        outputs = [os.path.join(output_dir, file[prefix_len:]) for file in build_files]
+
+        return outputs
+
+    def _bytecode_filenames(self, py_filenames):
+        bytecode_files = []
+        for py_file in py_filenames:
+            # Since build_py handles package data installation, the
+            # list of outputs can contain more than just .py files.
+            # Make sure we only report bytecode for the .py files.
+            ext = os.path.splitext(os.path.normcase(py_file))[1]
+            if ext != PYTHON_SOURCE_EXTENSION:
+                continue
+            if self.compile:
+                bytecode_files.append(
+                    importlib.util.cache_from_source(py_file, optimization='')
+                )
+            if self.optimize > 0:
+                bytecode_files.append(
+                    importlib.util.cache_from_source(
+                        py_file, optimization=self.optimize
+                    )
+                )
+
+        return bytecode_files
+
+    # -- External interface --------------------------------------------
+    # (called by outsiders)
+
+    def get_outputs(self):
+        """Return the list of files that would be installed if this command
+        were actually run.  Not affected by the "dry-run" flag or whether
+        modules have actually been built yet.
+        """
+        pure_outputs = self._mutate_outputs(
+            self.distribution.has_pure_modules(),
+            'build_py',
+            'build_lib',
+            self.install_dir,
+        )
+        if self.compile:
+            bytecode_outputs = self._bytecode_filenames(pure_outputs)
+        else:
+            bytecode_outputs = []
+
+        ext_outputs = self._mutate_outputs(
+            self.distribution.has_ext_modules(),
+            'build_ext',
+            'build_lib',
+            self.install_dir,
+        )
+
+        return pure_outputs + bytecode_outputs + ext_outputs
+
+    def get_inputs(self):
+        """Get the list of files that are input to this command, ie. the
+        files that get installed as they are named in the build tree.
+        The files in this list correspond one-to-one to the output
+        filenames returned by 'get_outputs()'.
+        """
+        inputs = []
+
+        if self.distribution.has_pure_modules():
+            build_py = self.get_finalized_command('build_py')
+            inputs.extend(build_py.get_outputs())
+
+        if self.distribution.has_ext_modules():
+            build_ext = self.get_finalized_command('build_ext')
+            inputs.extend(build_ext.get_outputs())
+
+        return inputs

python/Lib/site-packages/setuptools/_distutils/command/install_scripts.py

@@ -0,0 +1,59 @@
+"""distutils.command.install_scripts
+
+Implements the Distutils 'install_scripts' command, for installing
+Python scripts."""
+
+# contributed by Bastian Kleineidam
+
+import os
+from distutils._log import log
+from stat import ST_MODE
+from typing import ClassVar
+
+from ..core import Command
+
+
+class install_scripts(Command):
+    description = "install scripts (Python or otherwise)"
+
+    user_options = [
+        ('install-dir=', 'd', "directory to install scripts to"),
+        ('build-dir=', 'b', "build directory (where to install from)"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+        ('skip-build', None, "skip the build steps"),
+    ]
+
+    boolean_options: ClassVar[list[str]] = ['force', 'skip-build']
+
+    def initialize_options(self):
+        self.install_dir = None
+        self.force = False
+        self.build_dir = None
+        self.skip_build = None
+
+    def finalize_options(self) -> None:
+        self.set_undefined_options('build', ('build_scripts', 'build_dir'))
+        self.set_undefined_options(
+            'install',
+            ('install_scripts', 'install_dir'),
+            ('force', 'force'),
+            ('skip_build', 'skip_build'),
+        )
+
+    def run(self) -> None:
+        if not self.skip_build:
+            self.run_command('build_scripts')
+        self.outfiles = self.copy_tree(self.build_dir, self.install_dir)
+        if os.name == 'posix':
+            # Set the executable bits (owner, group, and world) on
+            # all the scripts we just installed.
+            for file in self.get_outputs():
+                mode = ((os.stat(file)[ST_MODE]) | 0o555) & 0o7777
+                log.info("changing mode of %s to %o", file, mode)
+                os.chmod(file, mode)
+
+    def get_inputs(self):
+        return self.distribution.scripts or []
+
+    def get_outputs(self):
+        return self.outfiles or []

python/Lib/site-packages/setuptools/_distutils/command/sdist.py

@@ -0,0 +1,521 @@
+"""distutils.command.sdist
+
+Implements the Distutils 'sdist' command (create a source distribution)."""
+
+from __future__ import annotations
+
+import os
+import sys
+from collections.abc import Callable
+from distutils import archive_util, dir_util, file_util
+from distutils._log import log
+from glob import glob
+from itertools import filterfalse
+from typing import ClassVar
+
+from ..core import Command
+from ..errors import DistutilsOptionError, DistutilsTemplateError
+from ..filelist import FileList
+from ..text_file import TextFile
+from ..util import convert_path
+
+
+def show_formats():
+    """Print all possible values for the 'formats' option (used by
+    the "--help-formats" command-line option).
+    """
+    from ..archive_util import ARCHIVE_FORMATS
+    from ..fancy_getopt import FancyGetopt
+
+    formats = sorted(
+        ("formats=" + format, None, ARCHIVE_FORMATS[format][2])
+        for format in ARCHIVE_FORMATS.keys()
+    )
+    FancyGetopt(formats).print_help("List of available source distribution formats:")
+
+
+class sdist(Command):
+    description = "create a source distribution (tarball, zip file, etc.)"
+
+    def checking_metadata(self) -> bool:
+        """Callable used for the check sub-command.
+
+        Placed here so user_options can view it"""
+        return self.metadata_check
+
+    user_options = [
+        ('template=', 't', "name of manifest template file [default: MANIFEST.in]"),
+        ('manifest=', 'm', "name of manifest file [default: MANIFEST]"),
+        (
+            'use-defaults',
+            None,
+            "include the default file set in the manifest "
+            "[default; disable with --no-defaults]",
+        ),
+        ('no-defaults', None, "don't include the default file set"),
+        (
+            'prune',
+            None,
+            "specifically exclude files/directories that should not be "
+            "distributed (build tree, RCS/CVS dirs, etc.) "
+            "[default; disable with --no-prune]",
+        ),
+        ('no-prune', None, "don't automatically exclude anything"),
+        (
+            'manifest-only',
+            'o',
+            "just regenerate the manifest and then stop (implies --force-manifest)",
+        ),
+        (
+            'force-manifest',
+            'f',
+            "forcibly regenerate the manifest and carry on as usual. "
+            "Deprecated: now the manifest is always regenerated.",
+        ),
+        ('formats=', None, "formats for source distribution (comma-separated list)"),
+        (
+            'keep-temp',
+            'k',
+            "keep the distribution tree around after creating " + "archive file(s)",
+        ),
+        (
+            'dist-dir=',
+            'd',
+            "directory to put the source distribution archive(s) in [default: dist]",
+        ),
+        (
+            'metadata-check',
+            None,
+            "Ensure that all required elements of meta-data "
+            "are supplied. Warn if any missing. [default]",
+        ),
+        (
+            'owner=',
+            'u',
+            "Owner name used when creating a tar file [default: current user]",
+        ),
+        (
+            'group=',
+            'g',
+            "Group name used when creating a tar file [default: current group]",
+        ),
+    ]
+
+    boolean_options: ClassVar[list[str]] = [
+        'use-defaults',
+        'prune',
+        'manifest-only',
+        'force-manifest',
+        'keep-temp',
+        'metadata-check',
+    ]
+
+    help_options: ClassVar[list[tuple[str, str | None, str, Callable[[], object]]]] = [
+        ('help-formats', None, "list available distribution formats", show_formats),
+    ]
+
+    negative_opt: ClassVar[dict[str, str]] = {
+        'no-defaults': 'use-defaults',
+        'no-prune': 'prune',
+    }
+
+    sub_commands = [('check', checking_metadata)]
+
+    READMES: ClassVar[tuple[str, ...]] = ('README', 'README.txt', 'README.rst')
+
+    def initialize_options(self):
+        # 'template' and 'manifest' are, respectively, the names of
+        # the manifest template and manifest file.
+        self.template = None
+        self.manifest = None
+
+        # 'use_defaults': if true, we will include the default file set
+        # in the manifest
+        self.use_defaults = True
+        self.prune = True
+
+        self.manifest_only = False
+        self.force_manifest = False
+
+        self.formats = ['gztar']
+        self.keep_temp = False
+        self.dist_dir = None
+
+        self.archive_files = None
+        self.metadata_check = True
+        self.owner = None
+        self.group = None
+
+    def finalize_options(self) -> None:
+        if self.manifest is None:
+            self.manifest = "MANIFEST"
+        if self.template is None:
+            self.template = "MANIFEST.in"
+
+        self.ensure_string_list('formats')
+
+        bad_format = archive_util.check_archive_formats(self.formats)
+        if bad_format:
+            raise DistutilsOptionError(f"unknown archive format '{bad_format}'")
+
+        if self.dist_dir is None:
+            self.dist_dir = "dist"
+
+    def run(self) -> None:
+        # 'filelist' contains the list of files that will make up the
+        # manifest
+        self.filelist = FileList()
+
+        # Run sub commands
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        # Do whatever it takes to get the list of files to process
+        # (process the manifest template, read an existing manifest,
+        # whatever).  File list is accumulated in 'self.filelist'.
+        self.get_file_list()
+
+        # If user just wanted us to regenerate the manifest, stop now.
+        if self.manifest_only:
+            return
+
+        # Otherwise, go ahead and create the source distribution tarball,
+        # or zipfile, or whatever.
+        self.make_distribution()
+
+    def get_file_list(self) -> None:
+        """Figure out the list of files to include in the source
+        distribution, and put it in 'self.filelist'.  This might involve
+        reading the manifest template (and writing the manifest), or just
+        reading the manifest, or just using the default file set -- it all
+        depends on the user's options.
+        """
+        # new behavior when using a template:
+        # the file list is recalculated every time because
+        # even if MANIFEST.in or setup.py are not changed
+        # the user might have added some files in the tree that
+        # need to be included.
+        #
+        #  This makes --force the default and only behavior with templates.
+        template_exists = os.path.isfile(self.template)
+        if not template_exists and self._manifest_is_not_generated():
+            self.read_manifest()
+            self.filelist.sort()
+            self.filelist.remove_duplicates()
+            return
+
+        if not template_exists:
+            self.warn(
+                ("manifest template '%s' does not exist " + "(using default file list)")
+                % self.template
+            )
+        self.filelist.findall()
+
+        if self.use_defaults:
+            self.add_defaults()
+
+        if template_exists:
+            self.read_template()
+
+        if self.prune:
+            self.prune_file_list()
+
+        self.filelist.sort()
+        self.filelist.remove_duplicates()
+        self.write_manifest()
+
+    def add_defaults(self) -> None:
+        """Add all the default files to self.filelist:
+          - README or README.txt
+          - setup.py
+          - tests/test*.py and test/test*.py
+          - all pure Python modules mentioned in setup script
+          - all files pointed by package_data (build_py)
+          - all files defined in data_files.
+          - all files defined as scripts.
+          - all C sources listed as part of extensions or C libraries
+            in the setup script (doesn't catch C headers!)
+        Warns if (README or README.txt) or setup.py are missing; everything
+        else is optional.
+        """
+        self._add_defaults_standards()
+        self._add_defaults_optional()
+        self._add_defaults_python()
+        self._add_defaults_data_files()
+        self._add_defaults_ext()
+        self._add_defaults_c_libs()
+        self._add_defaults_scripts()
+
+    @staticmethod
+    def _cs_path_exists(fspath):
+        """
+        Case-sensitive path existence check
+
+        >>> sdist._cs_path_exists(__file__)
+        True
+        >>> sdist._cs_path_exists(__file__.upper())
+        False
+        """
+        if not os.path.exists(fspath):
+            return False
+        # make absolute so we always have a directory
+        abspath = os.path.abspath(fspath)
+        directory, filename = os.path.split(abspath)
+        return filename in os.listdir(directory)
+
+    def _add_defaults_standards(self):
+        standards = [self.READMES, self.distribution.script_name]
+        for fn in standards:
+            if isinstance(fn, tuple):
+                alts = fn
+                got_it = False
+                for fn in alts:
+                    if self._cs_path_exists(fn):
+                        got_it = True
+                        self.filelist.append(fn)
+                        break
+
+                if not got_it:
+                    self.warn(
+                        "standard file not found: should have one of " + ', '.join(alts)
+                    )
+            else:
+                if self._cs_path_exists(fn):
+                    self.filelist.append(fn)
+                else:
+                    self.warn(f"standard file '{fn}' not found")
+
+    def _add_defaults_optional(self):
+        optional = ['tests/test*.py', 'test/test*.py', 'setup.cfg']
+        for pattern in optional:
+            files = filter(os.path.isfile, glob(pattern))
+            self.filelist.extend(files)
+
+    def _add_defaults_python(self):
+        # build_py is used to get:
+        #  - python modules
+        #  - files defined in package_data
+        build_py = self.get_finalized_command('build_py')
+
+        # getting python files
+        if self.distribution.has_pure_modules():
+            self.filelist.extend(build_py.get_source_files())
+
+        # getting package_data files
+        # (computed in build_py.data_files by build_py.finalize_options)
+        for _pkg, src_dir, _build_dir, filenames in build_py.data_files:
+            for filename in filenames:
+                self.filelist.append(os.path.join(src_dir, filename))
+
+    def _add_defaults_data_files(self):
+        # getting distribution.data_files
+        if self.distribution.has_data_files():
+            for item in self.distribution.data_files:
+                if isinstance(item, str):
+                    # plain file
+                    item = convert_path(item)
+                    if os.path.isfile(item):
+                        self.filelist.append(item)
+                else:
+                    # a (dirname, filenames) tuple
+                    dirname, filenames = item
+                    for f in filenames:
+                        f = convert_path(f)
+                        if os.path.isfile(f):
+                            self.filelist.append(f)
+
+    def _add_defaults_ext(self):
+        if self.distribution.has_ext_modules():
+            build_ext = self.get_finalized_command('build_ext')
+            self.filelist.extend(build_ext.get_source_files())
+
+    def _add_defaults_c_libs(self):
+        if self.distribution.has_c_libraries():
+            build_clib = self.get_finalized_command('build_clib')
+            self.filelist.extend(build_clib.get_source_files())
+
+    def _add_defaults_scripts(self):
+        if self.distribution.has_scripts():
+            build_scripts = self.get_finalized_command('build_scripts')
+            self.filelist.extend(build_scripts.get_source_files())
+
+    def read_template(self) -> None:
+        """Read and parse manifest template file named by self.template.
+
+        (usually "MANIFEST.in") The parsing and processing is done by
+        'self.filelist', which updates itself accordingly.
+        """
+        log.info("reading manifest template '%s'", self.template)
+        template = TextFile(
+            self.template,
+            strip_comments=True,
+            skip_blanks=True,
+            join_lines=True,
+            lstrip_ws=True,
+            rstrip_ws=True,
+            collapse_join=True,
+        )
+
+        try:
+            while True:
+                line = template.readline()
+                if line is None:  # end of file
+                    break
+
+                try:
+                    self.filelist.process_template_line(line)
+                # the call above can raise a DistutilsTemplateError for
+                # malformed lines, or a ValueError from the lower-level
+                # convert_path function
+                except (DistutilsTemplateError, ValueError) as msg:
+                    self.warn(
+                        f"{template.filename}, line {int(template.current_line)}: {msg}"
+                    )
+        finally:
+            template.close()
+
+    def prune_file_list(self) -> None:
+        """Prune off branches that might slip into the file list as created
+        by 'read_template()', but really don't belong there:
+          * the build tree (typically "build")
+          * the release tree itself (only an issue if we ran "sdist"
+            previously with --keep-temp, or it aborted)
+          * any RCS, CVS, .svn, .hg, .git, .bzr, _darcs directories
+        """
+        build = self.get_finalized_command('build')
+        base_dir = self.distribution.get_fullname()
+
+        self.filelist.exclude_pattern(None, prefix=os.fspath(build.build_base))
+        self.filelist.exclude_pattern(None, prefix=base_dir)
+
+        if sys.platform == 'win32':
+            seps = r'/|\\'
+        else:
+            seps = '/'
+
+        vcs_dirs = ['RCS', 'CVS', r'\.svn', r'\.hg', r'\.git', r'\.bzr', '_darcs']
+        vcs_ptrn = r'(^|{})({})({}).*'.format(seps, '|'.join(vcs_dirs), seps)
+        self.filelist.exclude_pattern(vcs_ptrn, is_regex=True)
+
+    def write_manifest(self) -> None:
+        """Write the file list in 'self.filelist' (presumably as filled in
+        by 'add_defaults()' and 'read_template()') to the manifest file
+        named by 'self.manifest'.
+        """
+        if self._manifest_is_not_generated():
+            log.info(
+                f"not writing to manually maintained manifest file '{self.manifest}'"
+            )
+            return
+
+        content = self.filelist.files[:]
+        content.insert(0, '# file GENERATED by distutils, do NOT edit')
+        self.execute(
+            file_util.write_file,
+            (self.manifest, content),
+            f"writing manifest file '{self.manifest}'",
+        )
+
+    def _manifest_is_not_generated(self):
+        # check for special comment used in 3.1.3 and higher
+        if not os.path.isfile(self.manifest):
+            return False
+
+        with open(self.manifest, encoding='utf-8') as fp:
+            first_line = next(fp)
+        return first_line != '# file GENERATED by distutils, do NOT edit\n'
+
+    def read_manifest(self) -> None:
+        """Read the manifest file (named by 'self.manifest') and use it to
+        fill in 'self.filelist', the list of files to include in the source
+        distribution.
+        """
+        log.info("reading manifest file '%s'", self.manifest)
+        with open(self.manifest, encoding='utf-8') as lines:
+            self.filelist.extend(
+                # ignore comments and blank lines
+                filter(None, filterfalse(is_comment, map(str.strip, lines)))
+            )
+
+    def make_release_tree(self, base_dir, files) -> None:
+        """Create the directory tree that will become the source
+        distribution archive.  All directories implied by the filenames in
+        'files' are created under 'base_dir', and then we hard link or copy
+        (if hard linking is unavailable) those files into place.
+        Essentially, this duplicates the developer's source tree, but in a
+        directory named after the distribution, containing only the files
+        to be distributed.
+        """
+        # Create all the directories under 'base_dir' necessary to
+        # put 'files' there; the 'mkpath()' is just so we don't die
+        # if the manifest happens to be empty.
+        self.mkpath(base_dir)
+        dir_util.create_tree(base_dir, files)
+
+        # And walk over the list of files, either making a hard link (if
+        # os.link exists) to each one that doesn't already exist in its
+        # corresponding location under 'base_dir', or copying each file
+        # that's out-of-date in 'base_dir'.  (Usually, all files will be
+        # out-of-date, because by default we blow away 'base_dir' when
+        # we're done making the distribution archives.)
+
+        if hasattr(os, 'link'):  # can make hard links on this system
+            link = 'hard'
+            msg = f"making hard links in {base_dir}..."
+        else:  # nope, have to copy
+            link = None
+            msg = f"copying files to {base_dir}..."
+
+        if not files:
+            log.warning("no files to distribute -- empty manifest?")
+        else:
+            log.info(msg)
+        for file in files:
+            if not os.path.isfile(file):
+                log.warning("'%s' not a regular file -- skipping", file)
+            else:
+                dest = os.path.join(base_dir, file)
+                self.copy_file(file, dest, link=link)
+
+        self.distribution.metadata.write_pkg_info(base_dir)
+
+    def make_distribution(self) -> None:
+        """Create the source distribution(s).  First, we create the release
+        tree with 'make_release_tree()'; then, we create all required
+        archive files (according to 'self.formats') from the release tree.
+        Finally, we clean up by blowing away the release tree (unless
+        'self.keep_temp' is true).  The list of archive files created is
+        stored so it can be retrieved later by 'get_archive_files()'.
+        """
+        # Don't warn about missing meta-data here -- should be (and is!)
+        # done elsewhere.
+        base_dir = self.distribution.get_fullname()
+        base_name = os.path.join(self.dist_dir, base_dir)
+
+        self.make_release_tree(base_dir, self.filelist.files)
+        archive_files = []  # remember names of files we create
+        # tar archive must be created last to avoid overwrite and remove
+        if 'tar' in self.formats:
+            self.formats.append(self.formats.pop(self.formats.index('tar')))
+
+        for fmt in self.formats:
+            file = self.make_archive(
+                base_name, fmt, base_dir=base_dir, owner=self.owner, group=self.group
+            )
+            archive_files.append(file)
+            self.distribution.dist_files.append(('sdist', '', file))
+
+        self.archive_files = archive_files
+
+        if not self.keep_temp:
+            dir_util.remove_tree(base_dir)
+
+    def get_archive_files(self):
+        """Return the list of archive files created when the command
+        was run, or None if the command hasn't run yet.
+        """
+        return self.archive_files
+
+
+def is_comment(line: str) -> bool:
+    return line.startswith('#')

python/Lib/site-packages/setuptools/_distutils/compat/__init__.py

@@ -0,0 +1,18 @@
+from __future__ import annotations
+
+from collections.abc import Iterable
+from typing import TypeVar
+
+_IterableT = TypeVar("_IterableT", bound="Iterable[str]")
+
+
+def consolidate_linker_args(args: _IterableT) -> _IterableT | str:
+    """
+    Ensure the return value is a string for backward compatibility.
+
+    Retain until at least 2025-04-31. See pypa/distutils#246
+    """
+
+    if not all(arg.startswith('-Wl,') for arg in args):
+        return args
+    return '-Wl,' + ','.join(arg.removeprefix('-Wl,') for arg in args)

python/Lib/site-packages/setuptools/_distutils/compat/numpy.py

@@ -0,0 +1,2 @@
+# required for older numpy versions on Pythons prior to 3.12; see pypa/setuptools#4876
+from ..compilers.C.base import _default_compilers, compiler_class  # noqa: F401

python/Lib/site-packages/setuptools/_distutils/compat/py39.py

@@ -0,0 +1,66 @@
+import functools
+import itertools
+import platform
+import sys
+
+
+def add_ext_suffix_39(vars):
+    """
+    Ensure vars contains 'EXT_SUFFIX'. pypa/distutils#130
+    """
+    import _imp
+
+    ext_suffix = _imp.extension_suffixes()[0]
+    vars.update(
+        EXT_SUFFIX=ext_suffix,
+        # sysconfig sets SO to match EXT_SUFFIX, so maintain
+        # that expectation.
+        # https://github.com/python/cpython/blob/785cc6770588de087d09e89a69110af2542be208/Lib/sysconfig.py#L671-L673
+        SO=ext_suffix,
+    )
+
+
+needs_ext_suffix = sys.version_info < (3, 10) and platform.system() == 'Windows'
+add_ext_suffix = add_ext_suffix_39 if needs_ext_suffix else lambda vars: None
+
+
+# from more_itertools
+class UnequalIterablesError(ValueError):
+    def __init__(self, details=None):
+        msg = 'Iterables have different lengths'
+        if details is not None:
+            msg += (': index 0 has length {}; index {} has length {}').format(*details)
+
+        super().__init__(msg)
+
+
+# from more_itertools
+def _zip_equal_generator(iterables):
+    _marker = object()
+    for combo in itertools.zip_longest(*iterables, fillvalue=_marker):
+        for val in combo:
+            if val is _marker:
+                raise UnequalIterablesError()
+        yield combo
+
+
+# from more_itertools
+def _zip_equal(*iterables):
+    # Check whether the iterables are all the same size.
+    try:
+        first_size = len(iterables[0])
+        for i, it in enumerate(iterables[1:], 1):
+            size = len(it)
+            if size != first_size:
+                raise UnequalIterablesError(details=(first_size, i, size))
+        # All sizes are equal, we can use the built-in zip.
+        return zip(*iterables)
+    # If any one of the iterables didn't have a length, start reading
+    # them until one runs out.
+    except TypeError:
+        return _zip_equal_generator(iterables)
+
+
+zip_strict = (
+    _zip_equal if sys.version_info < (3, 10) else functools.partial(zip, strict=True)
+)

python/Lib/site-packages/setuptools/_distutils/tests/support.py

@@ -0,0 +1,134 @@
+"""Support code for distutils test cases."""
+
+import itertools
+import os
+import pathlib
+import shutil
+import sys
+import sysconfig
+import tempfile
+from distutils.core import Distribution
+
+import pytest
+from more_itertools import always_iterable
+
+
+@pytest.mark.usefixtures('distutils_managed_tempdir')
+class TempdirManager:
+    """
+    Mix-in class that handles temporary directories for test cases.
+    """
+
+    def mkdtemp(self):
+        """Create a temporary directory that will be cleaned up.
+
+        Returns the path of the directory.
+        """
+        d = tempfile.mkdtemp()
+        self.tempdirs.append(d)
+        return d
+
+    def write_file(self, path, content='xxx'):
+        """Writes a file in the given path.
+
+        path can be a string or a sequence.
+        """
+        pathlib.Path(*always_iterable(path)).write_text(content, encoding='utf-8')
+
+    def create_dist(self, pkg_name='foo', **kw):
+        """Will generate a test environment.
+
+        This function creates:
+         - a Distribution instance using keywords
+         - a temporary directory with a package structure
+
+        It returns the package directory and the distribution
+        instance.
+        """
+        tmp_dir = self.mkdtemp()
+        pkg_dir = os.path.join(tmp_dir, pkg_name)
+        os.mkdir(pkg_dir)
+        dist = Distribution(attrs=kw)
+
+        return pkg_dir, dist
+
+
+class DummyCommand:
+    """Class to store options for retrieval via set_undefined_options()."""
+
+    def __init__(self, **kwargs):
+        vars(self).update(kwargs)
+
+    def ensure_finalized(self):
+        pass
+
+
+def copy_xxmodule_c(directory):
+    """Helper for tests that need the xxmodule.c source file.
+
+    Example use:
+
+        def test_compile(self):
+            copy_xxmodule_c(self.tmpdir)
+            self.assertIn('xxmodule.c', os.listdir(self.tmpdir))
+
+    If the source file can be found, it will be copied to *directory*.  If not,
+    the test will be skipped.  Errors during copy are not caught.
+    """
+    shutil.copy(_get_xxmodule_path(), os.path.join(directory, 'xxmodule.c'))
+
+
+def _get_xxmodule_path():
+    source_name = 'xxmodule.c' if sys.version_info > (3, 9) else 'xxmodule-3.8.c'
+    return os.path.join(os.path.dirname(__file__), source_name)
+
+
+def fixup_build_ext(cmd):
+    """Function needed to make build_ext tests pass.
+
+    When Python was built with --enable-shared on Unix, -L. is not enough to
+    find libpython<blah>.so, because regrtest runs in a tempdir, not in the
+    source directory where the .so lives.
+
+    When Python was built with in debug mode on Windows, build_ext commands
+    need their debug attribute set, and it is not done automatically for
+    some reason.
+
+    This function handles both of these things.  Example use:
+
+        cmd = build_ext(dist)
+        support.fixup_build_ext(cmd)
+        cmd.ensure_finalized()
+
+    Unlike most other Unix platforms, Mac OS X embeds absolute paths
+    to shared libraries into executables, so the fixup is not needed there.
+    """
+    if os.name == 'nt':
+        cmd.debug = sys.executable.endswith('_d.exe')
+    elif sysconfig.get_config_var('Py_ENABLE_SHARED'):
+        # To further add to the shared builds fun on Unix, we can't just add
+        # library_dirs to the Extension() instance because that doesn't get
+        # plumbed through to the final compiler command.
+        runshared = sysconfig.get_config_var('RUNSHARED')
+        if runshared is None:
+            cmd.library_dirs = ['.']
+        else:
+            if sys.platform == 'darwin':
+                cmd.library_dirs = []
+            else:
+                name, equals, value = runshared.partition('=')
+                cmd.library_dirs = [d for d in value.split(os.pathsep) if d]
+
+
+def combine_markers(cls):
+    """
+    pytest will honor markers as found on the class, but when
+    markers are on multiple subclasses, only one appears. Use
+    this decorator to combine those markers.
+    """
+    cls.pytestmark = [
+        mark
+        for base in itertools.chain([cls], cls.__bases__)
+        for mark in getattr(base, 'pytestmark', [])
+    ]
+    return cls

python/Lib/site-packages/setuptools/_distutils/tests/test_archive_util.py

@@ -0,0 +1,342 @@
+"""Tests for distutils.archive_util."""
+
+import functools
+import operator
+import os
+import pathlib
+import sys
+import tarfile
+from distutils import archive_util
+from distutils.archive_util import (
+    ARCHIVE_FORMATS,
+    check_archive_formats,
+    make_archive,
+    make_tarball,
+    make_zipfile,
+)
+from distutils.spawn import spawn
+from distutils.tests import support
+from os.path import splitdrive
+
+import path
+import pytest
+from test.support import patch
+
+from .unix_compat import UID_0_SUPPORT, grp, pwd, require_uid_0, require_unix_id
+
+
+def can_fs_encode(filename):
+    """
+    Return True if the filename can be saved in the file system.
+    """
+    if os.path.supports_unicode_filenames:
+        return True
+    try:
+        filename.encode(sys.getfilesystemencoding())
+    except UnicodeEncodeError:
+        return False
+    return True
+
+
+def all_equal(values):
+    return functools.reduce(operator.eq, values)
+
+
+def same_drive(*paths):
+    return all_equal(pathlib.Path(path).drive for path in paths)
+
+
+class ArchiveUtilTestCase(support.TempdirManager):
+    @pytest.mark.usefixtures('needs_zlib')
+    def test_make_tarball(self, name='archive'):
+        # creating something to tar
+        tmpdir = self._create_files()
+        self._make_tarball(tmpdir, name, '.tar.gz')
+        # trying an uncompressed one
+        self._make_tarball(tmpdir, name, '.tar', compress=None)
+
+    @pytest.mark.usefixtures('needs_zlib')
+    def test_make_tarball_gzip(self):
+        tmpdir = self._create_files()
+        self._make_tarball(tmpdir, 'archive', '.tar.gz', compress='gzip')
+
+    def test_make_tarball_bzip2(self):
+        pytest.importorskip('bz2')
+        tmpdir = self._create_files()
+        self._make_tarball(tmpdir, 'archive', '.tar.bz2', compress='bzip2')
+
+    def test_make_tarball_xz(self):
+        pytest.importorskip('lzma')
+        tmpdir = self._create_files()
+        self._make_tarball(tmpdir, 'archive', '.tar.xz', compress='xz')
+
+    @pytest.mark.skipif("not can_fs_encode('årchiv')")
+    def test_make_tarball_latin1(self):
+        """
+        Mirror test_make_tarball, except filename contains latin characters.
+        """
+        self.test_make_tarball('årchiv')  # note this isn't a real word
+
+    @pytest.mark.skipif("not can_fs_encode('のアーカイブ')")
+    def test_make_tarball_extended(self):
+        """
+        Mirror test_make_tarball, except filename contains extended
+        characters outside the latin charset.
+        """
+        self.test_make_tarball('のアーカイブ')  # japanese for archive
+
+    def _make_tarball(self, tmpdir, target_name, suffix, **kwargs):
+        tmpdir2 = self.mkdtemp()
+        if same_drive(tmpdir, tmpdir2):
+            pytest.skip("source and target should be on same drive")
+
+        base_name = os.path.join(tmpdir2, target_name)
+
+        # working with relative paths to avoid tar warnings
+        with path.Path(tmpdir):
+            make_tarball(splitdrive(base_name)[1], 'dist', **kwargs)
+
+        # check if the compressed tarball was created
+        tarball = base_name + suffix
+        assert os.path.exists(tarball)
+        assert self._tarinfo(tarball) == self._created_files
+
+    def _tarinfo(self, path):
+        tar = tarfile.open(path)
+        try:
+            names = tar.getnames()
+            names.sort()
+            return names
+        finally:
+            tar.close()
+
+    _zip_created_files = [
+        'dist/',
+        'dist/file1',
+        'dist/file2',
+        'dist/sub/',
+        'dist/sub/file3',
+        'dist/sub2/',
+    ]
+    _created_files = [p.rstrip('/') for p in _zip_created_files]
+
+    def _create_files(self):
+        # creating something to tar
+        tmpdir = self.mkdtemp()
+        dist = os.path.join(tmpdir, 'dist')
+        os.mkdir(dist)
+        self.write_file([dist, 'file1'], 'xxx')
+        self.write_file([dist, 'file2'], 'xxx')
+        os.mkdir(os.path.join(dist, 'sub'))
+        self.write_file([dist, 'sub', 'file3'], 'xxx')
+        os.mkdir(os.path.join(dist, 'sub2'))
+        return tmpdir
+
+    @pytest.mark.usefixtures('needs_zlib')
+    @pytest.mark.skipif("not (shutil.which('tar') and shutil.which('gzip'))")
+    def test_tarfile_vs_tar(self):
+        tmpdir = self._create_files()
+        tmpdir2 = self.mkdtemp()
+        base_name = os.path.join(tmpdir2, 'archive')
+        old_dir = os.getcwd()
+        os.chdir(tmpdir)
+        try:
+            make_tarball(base_name, 'dist')
+        finally:
+            os.chdir(old_dir)
+
+        # check if the compressed tarball was created
+        tarball = base_name + '.tar.gz'
+        assert os.path.exists(tarball)
+
+        # now create another tarball using `tar`
+        tarball2 = os.path.join(tmpdir, 'archive2.tar.gz')
+        tar_cmd = ['tar', '-cf', 'archive2.tar', 'dist']
+        gzip_cmd = ['gzip', '-f', '-9', 'archive2.tar']
+        old_dir = os.getcwd()
+        os.chdir(tmpdir)
+        try:
+            spawn(tar_cmd)
+            spawn(gzip_cmd)
+        finally:
+            os.chdir(old_dir)
+
+        assert os.path.exists(tarball2)
+        # let's compare both tarballs
+        assert self._tarinfo(tarball) == self._created_files
+        assert self._tarinfo(tarball2) == self._created_files
+
+        # trying an uncompressed one
+        base_name = os.path.join(tmpdir2, 'archive')
+        old_dir = os.getcwd()
+        os.chdir(tmpdir)
+        try:
+            make_tarball(base_name, 'dist', compress=None)
+        finally:
+            os.chdir(old_dir)
+        tarball = base_name + '.tar'
+        assert os.path.exists(tarball)
+
+    @pytest.mark.usefixtures('needs_zlib')
+    def test_make_zipfile(self):
+        zipfile = pytest.importorskip('zipfile')
+        # creating something to tar
+        tmpdir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        with path.Path(tmpdir):
+            make_zipfile(base_name, 'dist')
+
+        # check if the compressed tarball was created
+        tarball = base_name + '.zip'
+        assert os.path.exists(tarball)
+        with zipfile.ZipFile(tarball) as zf:
+            assert sorted(zf.namelist()) == self._zip_created_files
+
+    def test_make_zipfile_no_zlib(self):
+        zipfile = pytest.importorskip('zipfile')
+        patch(self, archive_util.zipfile, 'zlib', None)  # force zlib ImportError
+
+        called = []
+        zipfile_class = zipfile.ZipFile
+
+        def fake_zipfile(*a, **kw):
+            if kw.get('compression', None) == zipfile.ZIP_STORED:
+                called.append((a, kw))
+            return zipfile_class(*a, **kw)
+
+        patch(self, archive_util.zipfile, 'ZipFile', fake_zipfile)
+
+        # create something to tar and compress
+        tmpdir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        with path.Path(tmpdir):
+            make_zipfile(base_name, 'dist')
+
+        tarball = base_name + '.zip'
+        assert called == [((tarball, "w"), {'compression': zipfile.ZIP_STORED})]
+        assert os.path.exists(tarball)
+        with zipfile.ZipFile(tarball) as zf:
+            assert sorted(zf.namelist()) == self._zip_created_files
+
+    def test_check_archive_formats(self):
+        assert check_archive_formats(['gztar', 'xxx', 'zip']) == 'xxx'
+        assert (
+            check_archive_formats(['gztar', 'bztar', 'xztar', 'ztar', 'tar', 'zip'])
+            is None
+        )
+
+    def test_make_archive(self):
+        tmpdir = self.mkdtemp()
+        base_name = os.path.join(tmpdir, 'archive')
+        with pytest.raises(ValueError):
+            make_archive(base_name, 'xxx')
+
+    def test_make_archive_cwd(self):
+        current_dir = os.getcwd()
+
+        def _breaks(*args, **kw):
+            raise RuntimeError()
+
+        ARCHIVE_FORMATS['xxx'] = (_breaks, [], 'xxx file')
+        try:
+            try:
+                make_archive('xxx', 'xxx', root_dir=self.mkdtemp())
+            except Exception:
+                pass
+            assert os.getcwd() == current_dir
+        finally:
+            ARCHIVE_FORMATS.pop('xxx')
+
+    def test_make_archive_tar(self):
+        base_dir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        res = make_archive(base_name, 'tar', base_dir, 'dist')
+        assert os.path.exists(res)
+        assert os.path.basename(res) == 'archive.tar'
+        assert self._tarinfo(res) == self._created_files
+
+    @pytest.mark.usefixtures('needs_zlib')
+    def test_make_archive_gztar(self):
+        base_dir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        res = make_archive(base_name, 'gztar', base_dir, 'dist')
+        assert os.path.exists(res)
+        assert os.path.basename(res) == 'archive.tar.gz'
+        assert self._tarinfo(res) == self._created_files
+
+    def test_make_archive_bztar(self):
+        pytest.importorskip('bz2')
+        base_dir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        res = make_archive(base_name, 'bztar', base_dir, 'dist')
+        assert os.path.exists(res)
+        assert os.path.basename(res) == 'archive.tar.bz2'
+        assert self._tarinfo(res) == self._created_files
+
+    def test_make_archive_xztar(self):
+        pytest.importorskip('lzma')
+        base_dir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        res = make_archive(base_name, 'xztar', base_dir, 'dist')
+        assert os.path.exists(res)
+        assert os.path.basename(res) == 'archive.tar.xz'
+        assert self._tarinfo(res) == self._created_files
+
+    def test_make_archive_owner_group(self):
+        # testing make_archive with owner and group, with various combinations
+        # this works even if there's not gid/uid support
+        if UID_0_SUPPORT:
+            group = grp.getgrgid(0)[0]
+            owner = pwd.getpwuid(0)[0]
+        else:
+            group = owner = 'root'
+
+        base_dir = self._create_files()
+        root_dir = self.mkdtemp()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        res = make_archive(
+            base_name, 'zip', root_dir, base_dir, owner=owner, group=group
+        )
+        assert os.path.exists(res)
+
+        res = make_archive(base_name, 'zip', root_dir, base_dir)
+        assert os.path.exists(res)
+
+        res = make_archive(
+            base_name, 'tar', root_dir, base_dir, owner=owner, group=group
+        )
+        assert os.path.exists(res)
+
+        res = make_archive(
+            base_name, 'tar', root_dir, base_dir, owner='kjhkjhkjg', group='oihohoh'
+        )
+        assert os.path.exists(res)
+
+    @pytest.mark.usefixtures('needs_zlib')
+    @require_unix_id
+    @require_uid_0
+    def test_tarfile_root_owner(self):
+        tmpdir = self._create_files()
+        base_name = os.path.join(self.mkdtemp(), 'archive')
+        old_dir = os.getcwd()
+        os.chdir(tmpdir)
+        group = grp.getgrgid(0)[0]
+        owner = pwd.getpwuid(0)[0]
+        try:
+            archive_name = make_tarball(
+                base_name, 'dist', compress=None, owner=owner, group=group
+            )
+        finally:
+            os.chdir(old_dir)
+
+        # check if the compressed tarball was created
+        assert os.path.exists(archive_name)
+
+        # now checks the rights
+        archive = tarfile.open(archive_name)
+        try:
+            for member in archive.getmembers():
+                assert member.uid == 0
+                assert member.gid == 0
+        finally:
+            archive.close()

python/Lib/site-packages/setuptools/_distutils/tests/test_bdist.py

@@ -0,0 +1,47 @@
+"""Tests for distutils.command.bdist."""
+
+from distutils.command.bdist import bdist
+from distutils.tests import support
+
+
+class TestBuild(support.TempdirManager):
+    def test_formats(self):
+        # let's create a command and make sure
+        # we can set the format
+        dist = self.create_dist()[1]
+        cmd = bdist(dist)
+        cmd.formats = ['gztar']
+        cmd.ensure_finalized()
+        assert cmd.formats == ['gztar']
+
+        # what formats does bdist offer?
+        formats = [
+            'bztar',
+            'gztar',
+            'rpm',
+            'tar',
+            'xztar',
+            'zip',
+            'ztar',
+        ]
+        found = sorted(cmd.format_commands)
+        assert found == formats
+
+    def test_skip_build(self):
+        # bug #10946: bdist --skip-build should trickle down to subcommands
+        dist = self.create_dist()[1]
+        cmd = bdist(dist)
+        cmd.skip_build = True
+        cmd.ensure_finalized()
+        dist.command_obj['bdist'] = cmd
+
+        names = [
+            'bdist_dumb',
+        ]  # bdist_rpm does not support --skip-build
+
+        for name in names:
+            subcmd = cmd.get_finalized_command(name)
+            if getattr(subcmd, '_unsupported', False):
+                # command is not supported on this build
+                continue
+            assert subcmd.skip_build, f'{name} should take --skip-build from bdist'

python/Lib/site-packages/setuptools/_distutils/tests/test_bdist_dumb.py

@@ -0,0 +1,78 @@
+"""Tests for distutils.command.bdist_dumb."""
+
+import os
+import sys
+import zipfile
+from distutils.command.bdist_dumb import bdist_dumb
+from distutils.core import Distribution
+from distutils.tests import support
+
+import pytest
+
+SETUP_PY = """\
+from distutils.core import setup
+import foo
+
+setup(name='foo', version='0.1', py_modules=['foo'],
+      url='xxx', author='xxx', author_email='xxx')
+
+"""
+
+
+@support.combine_markers
+@pytest.mark.usefixtures('save_env')
+@pytest.mark.usefixtures('save_argv')
+@pytest.mark.usefixtures('save_cwd')
+class TestBuildDumb(
+    support.TempdirManager,
+):
+    @pytest.mark.usefixtures('needs_zlib')
+    def test_simple_built(self):
+        # let's create a simple package
+        tmp_dir = self.mkdtemp()
+        pkg_dir = os.path.join(tmp_dir, 'foo')
+        os.mkdir(pkg_dir)
+        self.write_file((pkg_dir, 'setup.py'), SETUP_PY)
+        self.write_file((pkg_dir, 'foo.py'), '#')
+        self.write_file((pkg_dir, 'MANIFEST.in'), 'include foo.py')
+        self.write_file((pkg_dir, 'README'), '')
+
+        dist = Distribution({
+            'name': 'foo',
+            'version': '0.1',
+            'py_modules': ['foo'],
+            'url': 'xxx',
+            'author': 'xxx',
+            'author_email': 'xxx',
+        })
+        dist.script_name = 'setup.py'
+        os.chdir(pkg_dir)
+
+        sys.argv = ['setup.py']
+        cmd = bdist_dumb(dist)
+
+        # so the output is the same no matter
+        # what is the platform
+        cmd.format = 'zip'
+
+        cmd.ensure_finalized()
+        cmd.run()
+
+        # see what we have
+        dist_created = os.listdir(os.path.join(pkg_dir, 'dist'))
+        base = f"{dist.get_fullname()}.{cmd.plat_name}.zip"
+
+        assert dist_created == [base]
+
+        # now let's check what we have in the zip file
+        fp = zipfile.ZipFile(os.path.join('dist', base))
+        try:
+            contents = fp.namelist()
+        finally:
+            fp.close()
+
+        contents = sorted(filter(None, map(os.path.basename, contents)))
+        wanted = ['foo-0.1-py{}.{}.egg-info'.format(*sys.version_info[:2]), 'foo.py']
+        if not sys.dont_write_bytecode:
+            wanted.append(f'foo.{sys.implementation.cache_tag}.pyc')
+        assert contents == sorted(wanted)

python/Lib/site-packages/setuptools/_distutils/tests/test_bdist_rpm.py

@@ -0,0 +1,127 @@
+"""Tests for distutils.command.bdist_rpm."""
+
+import os
+import shutil  # noqa: F401
+import sys
+from distutils.command.bdist_rpm import bdist_rpm
+from distutils.core import Distribution
+from distutils.tests import support
+
+import pytest
+from test.support import requires_zlib
+
+SETUP_PY = """\
+from distutils.core import setup
+import foo
+
+setup(name='foo', version='0.1', py_modules=['foo'],
+      url='xxx', author='xxx', author_email='xxx')
+
+"""
+
+
+@pytest.fixture(autouse=True)
+def sys_executable_encodable():
+    try:
+        sys.executable.encode('UTF-8')
+    except UnicodeEncodeError:
+        pytest.skip("sys.executable is not encodable to UTF-8")
+
+
+mac_woes = pytest.mark.skipif(
+    "not sys.platform.startswith('linux')",
+    reason='spurious sdtout/stderr output under macOS',
+)
+
+
+@pytest.mark.usefixtures('save_env')
+@pytest.mark.usefixtures('save_argv')
+@pytest.mark.usefixtures('save_cwd')
+class TestBuildRpm(
+    support.TempdirManager,
+):
+    @mac_woes
+    @requires_zlib()
+    @pytest.mark.skipif("not shutil.which('rpm')")
+    @pytest.mark.skipif("not shutil.which('rpmbuild')")
+    def test_quiet(self):
+        # let's create a package
+        tmp_dir = self.mkdtemp()
+        os.environ['HOME'] = tmp_dir  # to confine dir '.rpmdb' creation
+        pkg_dir = os.path.join(tmp_dir, 'foo')
+        os.mkdir(pkg_dir)
+        self.write_file((pkg_dir, 'setup.py'), SETUP_PY)
+        self.write_file((pkg_dir, 'foo.py'), '#')
+        self.write_file((pkg_dir, 'MANIFEST.in'), 'include foo.py')
+        self.write_file((pkg_dir, 'README'), '')
+
+        dist = Distribution({
+            'name': 'foo',
+            'version': '0.1',
+            'py_modules': ['foo'],
+            'url': 'xxx',
+            'author': 'xxx',
+            'author_email': 'xxx',
+        })
+        dist.script_name = 'setup.py'
+        os.chdir(pkg_dir)
+
+        sys.argv = ['setup.py']
+        cmd = bdist_rpm(dist)
+        cmd.fix_python = True
+
+        # running in quiet mode
+        cmd.quiet = True
+        cmd.ensure_finalized()
+        cmd.run()
+
+        dist_created = os.listdir(os.path.join(pkg_dir, 'dist'))
+        assert 'foo-0.1-1.noarch.rpm' in dist_created
+
+        # bug #2945: upload ignores bdist_rpm files
+        assert ('bdist_rpm', 'any', 'dist/foo-0.1-1.src.rpm') in dist.dist_files
+        assert ('bdist_rpm', 'any', 'dist/foo-0.1-1.noarch.rpm') in dist.dist_files
+
+    @mac_woes
+    @requires_zlib()
+    # https://bugs.python.org/issue1533164
+    @pytest.mark.skipif("not shutil.which('rpm')")
+    @pytest.mark.skipif("not shutil.which('rpmbuild')")
+    def test_no_optimize_flag(self):
+        # let's create a package that breaks bdist_rpm
+        tmp_dir = self.mkdtemp()
+        os.environ['HOME'] = tmp_dir  # to confine dir '.rpmdb' creation
+        pkg_dir = os.path.join(tmp_dir, 'foo')
+        os.mkdir(pkg_dir)
+        self.write_file((pkg_dir, 'setup.py'), SETUP_PY)
+        self.write_file((pkg_dir, 'foo.py'), '#')
+        self.write_file((pkg_dir, 'MANIFEST.in'), 'include foo.py')
+        self.write_file((pkg_dir, 'README'), '')
+
+        dist = Distribution({
+            'name': 'foo',
+            'version': '0.1',
+            'py_modules': ['foo'],
+            'url': 'xxx',
+            'author': 'xxx',
+            'author_email': 'xxx',
+        })
+        dist.script_name = 'setup.py'
+        os.chdir(pkg_dir)
+
+        sys.argv = ['setup.py']
+        cmd = bdist_rpm(dist)
+        cmd.fix_python = True
+
+        cmd.quiet = True
+        cmd.ensure_finalized()
+        cmd.run()
+
+        dist_created = os.listdir(os.path.join(pkg_dir, 'dist'))
+        assert 'foo-0.1-1.noarch.rpm' in dist_created
+
+        # bug #2945: upload ignores bdist_rpm files
+        assert ('bdist_rpm', 'any', 'dist/foo-0.1-1.src.rpm') in dist.dist_files
+        assert ('bdist_rpm', 'any', 'dist/foo-0.1-1.noarch.rpm') in dist.dist_files
+
+        os.remove(os.path.join(pkg_dir, 'dist', 'foo-0.1-1.noarch.rpm'))

python/Lib/site-packages/setuptools/_distutils/tests/test_build.py

@@ -0,0 +1,49 @@
+"""Tests for distutils.command.build."""
+
+import os
+import sys
+from distutils.command.build import build
+from distutils.tests import support
+from sysconfig import get_config_var, get_platform
+
+
+class TestBuild(support.TempdirManager):
+    def test_finalize_options(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build(dist)
+        cmd.finalize_options()
+
+        # if not specified, plat_name gets the current platform
+        assert cmd.plat_name == get_platform()
+
+        # build_purelib is build + lib
+        wanted = os.path.join(cmd.build_base, 'lib')
+        assert cmd.build_purelib == wanted
+
+        # build_platlib is 'build/lib.platform-cache_tag[-pydebug]'
+        # examples:
+        #   build/lib.macosx-10.3-i386-cpython39
+        plat_spec = f'.{cmd.plat_name}-{sys.implementation.cache_tag}'
+        if get_config_var('Py_GIL_DISABLED'):
+            plat_spec += 't'
+        if hasattr(sys, 'gettotalrefcount'):
+            assert cmd.build_platlib.endswith('-pydebug')
+            plat_spec += '-pydebug'
+        wanted = os.path.join(cmd.build_base, 'lib' + plat_spec)
+        assert cmd.build_platlib == wanted
+
+        # by default, build_lib = build_purelib
+        assert cmd.build_lib == cmd.build_purelib
+
+        # build_temp is build/temp.<plat>
+        wanted = os.path.join(cmd.build_base, 'temp' + plat_spec)
+        assert cmd.build_temp == wanted
+
+        # build_scripts is build/scripts-x.x
+        wanted = os.path.join(
+            cmd.build_base, f'scripts-{sys.version_info.major}.{sys.version_info.minor}'
+        )
+        assert cmd.build_scripts == wanted
+
+        # executable is os.path.normpath(sys.executable)
+        assert cmd.executable == os.path.normpath(sys.executable)

python/Lib/site-packages/setuptools/_distutils/tests/test_build_clib.py

@@ -0,0 +1,134 @@
+"""Tests for distutils.command.build_clib."""
+
+import os
+from distutils.command.build_clib import build_clib
+from distutils.errors import DistutilsSetupError
+from distutils.tests import missing_compiler_executable, support
+
+import pytest
+
+
+class TestBuildCLib(support.TempdirManager):
+    def test_check_library_dist(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        # 'libraries' option must be a list
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_library_list('foo')
+
+        # each element of 'libraries' must a 2-tuple
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_library_list(['foo1', 'foo2'])
+
+        # first element of each tuple in 'libraries'
+        # must be a string (the library name)
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_library_list([(1, 'foo1'), ('name', 'foo2')])
+
+        # library name may not contain directory separators
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_library_list(
+                [('name', 'foo1'), ('another/name', 'foo2')],
+            )
+
+        # second element of each tuple must be a dictionary (build info)
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_library_list(
+                [('name', {}), ('another', 'foo2')],
+            )
+
+        # those work
+        libs = [('name', {}), ('name', {'ok': 'good'})]
+        cmd.check_library_list(libs)
+
+    def test_get_source_files(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        # "in 'libraries' option 'sources' must be present and must be
+        # a list of source filenames
+        cmd.libraries = [('name', {})]
+        with pytest.raises(DistutilsSetupError):
+            cmd.get_source_files()
+
+        cmd.libraries = [('name', {'sources': 1})]
+        with pytest.raises(DistutilsSetupError):
+            cmd.get_source_files()
+
+        cmd.libraries = [('name', {'sources': ['a', 'b']})]
+        assert cmd.get_source_files() == ['a', 'b']
+
+        cmd.libraries = [('name', {'sources': ('a', 'b')})]
+        assert cmd.get_source_files() == ['a', 'b']
+
+        cmd.libraries = [
+            ('name', {'sources': ('a', 'b')}),
+            ('name2', {'sources': ['c', 'd']}),
+        ]
+        assert cmd.get_source_files() == ['a', 'b', 'c', 'd']
+
+    def test_build_libraries(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        class FakeCompiler:
+            def compile(*args, **kw):
+                pass
+
+            create_static_lib = compile
+
+        cmd.compiler = FakeCompiler()
+
+        # build_libraries is also doing a bit of typo checking
+        lib = [('name', {'sources': 'notvalid'})]
+        with pytest.raises(DistutilsSetupError):
+            cmd.build_libraries(lib)
+
+        lib = [('name', {'sources': list()})]
+        cmd.build_libraries(lib)
+
+        lib = [('name', {'sources': tuple()})]
+        cmd.build_libraries(lib)
+
+    def test_finalize_options(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        cmd.include_dirs = 'one-dir'
+        cmd.finalize_options()
+        assert cmd.include_dirs == ['one-dir']
+
+        cmd.include_dirs = None
+        cmd.finalize_options()
+        assert cmd.include_dirs == []
+
+        cmd.distribution.libraries = 'WONTWORK'
+        with pytest.raises(DistutilsSetupError):
+            cmd.finalize_options()
+
+    @pytest.mark.skipif('platform.system() == "Windows"')
+    def test_run(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        foo_c = os.path.join(pkg_dir, 'foo.c')
+        self.write_file(foo_c, 'int main(void) { return 1;}\n')
+        cmd.libraries = [('foo', {'sources': [foo_c]})]
+
+        build_temp = os.path.join(pkg_dir, 'build')
+        os.mkdir(build_temp)
+        cmd.build_temp = build_temp
+        cmd.build_clib = build_temp
+
+        # Before we run the command, we want to make sure
+        # all commands are present on the system.
+        ccmd = missing_compiler_executable()
+        if ccmd is not None:
+            self.skipTest(f'The {ccmd!r} command is not found')
+
+        # this should work
+        cmd.run()
+
+        # let's check the result
+        assert 'libfoo.a' in os.listdir(build_temp)

python/Lib/site-packages/setuptools/_distutils/tests/test_build_ext.py

@@ -0,0 +1,628 @@
+import contextlib
+import glob
+import importlib
+import os.path
+import platform
+import re
+import shutil
+import site
+import subprocess
+import sys
+import tempfile
+import textwrap
+import time
+from distutils import sysconfig
+from distutils.command.build_ext import build_ext
+from distutils.core import Distribution
+from distutils.errors import (
+    CompileError,
+    DistutilsPlatformError,
+    DistutilsSetupError,
+    UnknownFileError,
+)
+from distutils.extension import Extension
+from distutils.tests import missing_compiler_executable
+from distutils.tests.support import TempdirManager, copy_xxmodule_c, fixup_build_ext
+from io import StringIO
+
+import jaraco.path
+import path
+import pytest
+from test import support
+
+from .compat import py39 as import_helper
+
+
+@pytest.fixture()
+def user_site_dir(request):
+    self = request.instance
+    self.tmp_dir = self.mkdtemp()
+    self.tmp_path = path.Path(self.tmp_dir)
+    from distutils.command import build_ext
+
+    orig_user_base = site.USER_BASE
+
+    site.USER_BASE = self.mkdtemp()
+    build_ext.USER_BASE = site.USER_BASE
+
+    # bpo-30132: On Windows, a .pdb file may be created in the current
+    # working directory. Create a temporary working directory to cleanup
+    # everything at the end of the test.
+    with self.tmp_path:
+        yield
+
+    site.USER_BASE = orig_user_base
+    build_ext.USER_BASE = orig_user_base
+
+    if sys.platform == 'cygwin':
+        time.sleep(1)
+
+
+@contextlib.contextmanager
+def safe_extension_import(name, path):
+    with import_helper.CleanImport(name):
+        with extension_redirect(name, path) as new_path:
+            with import_helper.DirsOnSysPath(new_path):
+                yield
+
+
+@contextlib.contextmanager
+def extension_redirect(mod, path):
+    """
+    Tests will fail to tear down an extension module if it's been imported.
+
+    Before importing, copy the file to a temporary directory that won't
+    be cleaned up. Yield the new path.
+    """
+    if platform.system() != "Windows" and sys.platform != "cygwin":
+        yield path
+        return
+    with import_helper.DirsOnSysPath(path):
+        spec = importlib.util.find_spec(mod)
+    filename = os.path.basename(spec.origin)
+    trash_dir = tempfile.mkdtemp(prefix='deleteme')
+    dest = os.path.join(trash_dir, os.path.basename(filename))
+    shutil.copy(spec.origin, dest)
+    yield trash_dir
+    # TODO: can the file be scheduled for deletion?
+
+
+@pytest.mark.usefixtures('user_site_dir')
+class TestBuildExt(TempdirManager):
+    def build_ext(self, *args, **kwargs):
+        return build_ext(*args, **kwargs)
+
+    @pytest.mark.parametrize("copy_so", [False])
+    def test_build_ext(self, copy_so):
+        missing_compiler_executable()
+        copy_xxmodule_c(self.tmp_dir)
+        xx_c = os.path.join(self.tmp_dir, 'xxmodule.c')
+        xx_ext = Extension('xx', [xx_c])
+        if sys.platform != "win32":
+            if not copy_so:
+                xx_ext = Extension(
+                    'xx',
+                    [xx_c],
+                    library_dirs=['/usr/lib'],
+                    libraries=['z'],
+                    runtime_library_dirs=['/usr/lib'],
+                )
+            elif sys.platform == 'linux':
+                libz_so = {
+                    os.path.realpath(name) for name in glob.iglob('/usr/lib*/libz.so*')
+                }
+                libz_so = sorted(libz_so, key=lambda lib_path: len(lib_path))
+                shutil.copyfile(libz_so[-1], '/tmp/libxx_z.so')
+
+                xx_ext = Extension(
+                    'xx',
+                    [xx_c],
+                    library_dirs=['/tmp'],
+                    libraries=['xx_z'],
+                    runtime_library_dirs=['/tmp'],
+                )
+        dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
+        dist.package_dir = self.tmp_dir
+        cmd = self.build_ext(dist)
+        fixup_build_ext(cmd)
+        cmd.build_lib = self.tmp_dir
+        cmd.build_temp = self.tmp_dir
+
+        old_stdout = sys.stdout
+        if not support.verbose:
+            # silence compiler output
+            sys.stdout = StringIO()
+        try:
+            cmd.ensure_finalized()
+            cmd.run()
+        finally:
+            sys.stdout = old_stdout
+
+        with safe_extension_import('xx', self.tmp_dir):
+            self._test_xx(copy_so)
+
+        if sys.platform == 'linux' and copy_so:
+            os.unlink('/tmp/libxx_z.so')
+
+    @staticmethod
+    def _test_xx(copy_so):
+        import xx  # type: ignore[import-not-found] # Module generated for tests
+
+        for attr in ('error', 'foo', 'new', 'roj'):
+            assert hasattr(xx, attr)
+
+        assert xx.foo(2, 5) == 7
+        assert xx.foo(13, 15) == 28
+        assert xx.new().demo() is None
+        if support.HAVE_DOCSTRINGS:
+            doc = 'This is a template module just for instruction.'
+            assert xx.__doc__ == doc
+        assert isinstance(xx.Null(), xx.Null)
+        assert isinstance(xx.Str(), xx.Str)
+
+        if sys.platform == 'linux':
+            so_headers = subprocess.check_output(
+                ["readelf", "-d", xx.__file__], universal_newlines=True
+            )
+            import pprint
+
+            pprint.pprint(so_headers)
+            rpaths = [
+                rpath
+                for line in so_headers.split("\n")
+                if "RPATH" in line or "RUNPATH" in line
+                for rpath in line.split()[2][1:-1].split(":")
+            ]
+            if not copy_so:
+                pprint.pprint(rpaths)
+                # Linked against a library in /usr/lib{,64}
+                assert "/usr/lib" not in rpaths and "/usr/lib64" not in rpaths
+            else:
+                # Linked against a library in /tmp
+                assert "/tmp" in rpaths
+                # The import is the real test here
+
+    def test_solaris_enable_shared(self):
+        dist = Distribution({'name': 'xx'})
+        cmd = self.build_ext(dist)
+        old = sys.platform
+
+        sys.platform = 'sunos'  # fooling finalize_options
+        from distutils.sysconfig import _config_vars
+
+        old_var = _config_vars.get('Py_ENABLE_SHARED')
+        _config_vars['Py_ENABLE_SHARED'] = True
+        try:
+            cmd.ensure_finalized()
+        finally:
+            sys.platform = old
+            if old_var is None:
+                del _config_vars['Py_ENABLE_SHARED']
+            else:
+                _config_vars['Py_ENABLE_SHARED'] = old_var
+
+        # make sure we get some library dirs under solaris
+        assert len(cmd.library_dirs) > 0
+
+    def test_user_site(self):
+        import site
+
+        dist = Distribution({'name': 'xx'})
+        cmd = self.build_ext(dist)
+
+        # making sure the user option is there
+        options = [name for name, short, label in cmd.user_options]
+        assert 'user' in options
+
+        # setting a value
+        cmd.user = True
+
+        # setting user based lib and include
+        lib = os.path.join(site.USER_BASE, 'lib')
+        incl = os.path.join(site.USER_BASE, 'include')
+        os.mkdir(lib)
+        os.mkdir(incl)
+
+        # let's run finalize
+        cmd.ensure_finalized()
+
+        # see if include_dirs and library_dirs
+        # were set
+        assert lib in cmd.library_dirs
+        assert lib in cmd.rpath
+        assert incl in cmd.include_dirs
+
+    def test_optional_extension(self):
+        # this extension will fail, but let's ignore this failure
+        # with the optional argument.
+        modules = [Extension('foo', ['xxx'], optional=False)]
+        dist = Distribution({'name': 'xx', 'ext_modules': modules})
+        cmd = self.build_ext(dist)
+        cmd.ensure_finalized()
+        with pytest.raises((UnknownFileError, CompileError)):
+            cmd.run()  # should raise an error
+
+        modules = [Extension('foo', ['xxx'], optional=True)]
+        dist = Distribution({'name': 'xx', 'ext_modules': modules})
+        cmd = self.build_ext(dist)
+        cmd.ensure_finalized()
+        cmd.run()  # should pass
+
+    def test_finalize_options(self):
+        # Make sure Python's include directories (for Python.h, pyconfig.h,
+        # etc.) are in the include search path.
+        modules = [Extension('foo', ['xxx'], optional=False)]
+        dist = Distribution({'name': 'xx', 'ext_modules': modules})
+        cmd = self.build_ext(dist)
+        cmd.finalize_options()
+
+        py_include = sysconfig.get_python_inc()
+        for p in py_include.split(os.path.pathsep):
+            assert p in cmd.include_dirs
+
+        plat_py_include = sysconfig.get_python_inc(plat_specific=True)
+        for p in plat_py_include.split(os.path.pathsep):
+            assert p in cmd.include_dirs
+
+        # make sure cmd.libraries is turned into a list
+        # if it's a string
+        cmd = self.build_ext(dist)
+        cmd.libraries = 'my_lib, other_lib lastlib'
+        cmd.finalize_options()
+        assert cmd.libraries == ['my_lib', 'other_lib', 'lastlib']
+
+        # make sure cmd.library_dirs is turned into a list
+        # if it's a string
+        cmd = self.build_ext(dist)
+        cmd.library_dirs = f'my_lib_dir{os.pathsep}other_lib_dir'
+        cmd.finalize_options()
+        assert 'my_lib_dir' in cmd.library_dirs
+        assert 'other_lib_dir' in cmd.library_dirs
+
+        # make sure rpath is turned into a list
+        # if it's a string
+        cmd = self.build_ext(dist)
+        cmd.rpath = f'one{os.pathsep}two'
+        cmd.finalize_options()
+        assert cmd.rpath == ['one', 'two']
+
+        # make sure cmd.link_objects is turned into a list
+        # if it's a string
+        cmd = build_ext(dist)
+        cmd.link_objects = 'one two,three'
+        cmd.finalize_options()
+        assert cmd.link_objects == ['one', 'two', 'three']
+
+        # XXX more tests to perform for win32
+
+        # make sure define is turned into 2-tuples
+        # strings if they are ','-separated strings
+        cmd = self.build_ext(dist)
+        cmd.define = 'one,two'
+        cmd.finalize_options()
+        assert cmd.define == [('one', '1'), ('two', '1')]
+
+        # make sure undef is turned into a list of
+        # strings if they are ','-separated strings
+        cmd = self.build_ext(dist)
+        cmd.undef = 'one,two'
+        cmd.finalize_options()
+        assert cmd.undef == ['one', 'two']
+
+        # make sure swig_opts is turned into a list
+        cmd = self.build_ext(dist)
+        cmd.swig_opts = None
+        cmd.finalize_options()
+        assert cmd.swig_opts == []
+
+        cmd = self.build_ext(dist)
+        cmd.swig_opts = '1 2'
+        cmd.finalize_options()
+        assert cmd.swig_opts == ['1', '2']
+
+    def test_check_extensions_list(self):
+        dist = Distribution()
+        cmd = self.build_ext(dist)
+        cmd.finalize_options()
+
+        # 'extensions' option must be a list of Extension instances
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_extensions_list('foo')
+
+        # each element of 'ext_modules' option must be an
+        # Extension instance or 2-tuple
+        exts = [('bar', 'foo', 'bar'), 'foo']
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_extensions_list(exts)
+
+        # first element of each tuple in 'ext_modules'
+        # must be the extension name (a string) and match
+        # a python dotted-separated name
+        exts = [('foo-bar', '')]
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_extensions_list(exts)
+
+        # second element of each tuple in 'ext_modules'
+        # must be a dictionary (build info)
+        exts = [('foo.bar', '')]
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_extensions_list(exts)
+
+        # ok this one should pass
+        exts = [('foo.bar', {'sources': [''], 'libraries': 'foo', 'some': 'bar'})]
+        cmd.check_extensions_list(exts)
+        ext = exts[0]
+        assert isinstance(ext, Extension)
+
+        # check_extensions_list adds in ext the values passed
+        # when they are in ('include_dirs', 'library_dirs', 'libraries'
+        # 'extra_objects', 'extra_compile_args', 'extra_link_args')
+        assert ext.libraries == 'foo'
+        assert not hasattr(ext, 'some')
+
+        # 'macros' element of build info dict must be 1- or 2-tuple
+        exts = [
+            (
+                'foo.bar',
+                {
+                    'sources': [''],
+                    'libraries': 'foo',
+                    'some': 'bar',
+                    'macros': [('1', '2', '3'), 'foo'],
+                },
+            )
+        ]
+        with pytest.raises(DistutilsSetupError):
+            cmd.check_extensions_list(exts)
+
+        exts[0][1]['macros'] = [('1', '2'), ('3',)]
+        cmd.check_extensions_list(exts)
+        assert exts[0].undef_macros == ['3']
+        assert exts[0].define_macros == [('1', '2')]
+
+    def test_get_source_files(self):
+        modules = [Extension('foo', ['xxx'], optional=False)]
+        dist = Distribution({'name': 'xx', 'ext_modules': modules})
+        cmd = self.build_ext(dist)
+        cmd.ensure_finalized()
+        assert cmd.get_source_files() == ['xxx']
+
+    def test_unicode_module_names(self):
+        modules = [
+            Extension('foo', ['aaa'], optional=False),
+            Extension('föö', ['uuu'], optional=False),
+        ]
+        dist = Distribution({'name': 'xx', 'ext_modules': modules})
+        cmd = self.build_ext(dist)
+        cmd.ensure_finalized()
+        assert re.search(r'foo(_d)?\..*', cmd.get_ext_filename(modules[0].name))
+        assert re.search(r'föö(_d)?\..*', cmd.get_ext_filename(modules[1].name))
+        assert cmd.get_export_symbols(modules[0]) == ['PyInit_foo']
+        assert cmd.get_export_symbols(modules[1]) == ['PyInitU_f_1gaa']
+
+    def test_export_symbols__init__(self):
+        # https://github.com/python/cpython/issues/80074
+        # https://github.com/pypa/setuptools/issues/4826
+        modules = [
+            Extension('foo.__init__', ['aaa']),
+            Extension('föö.__init__', ['uuu']),
+        ]
+        dist = Distribution({'name': 'xx', 'ext_modules': modules})
+        cmd = self.build_ext(dist)
+        cmd.ensure_finalized()
+        assert cmd.get_export_symbols(modules[0]) == ['PyInit_foo']
+        assert cmd.get_export_symbols(modules[1]) == ['PyInitU_f_1gaa']
+
+    def test_compiler_option(self):
+        # cmd.compiler is an option and
+        # should not be overridden by a compiler instance
+        # when the command is run
+        dist = Distribution()
+        cmd = self.build_ext(dist)
+        cmd.compiler = 'unix'
+        cmd.ensure_finalized()
+        cmd.run()
+        assert cmd.compiler == 'unix'
+
+    def test_get_outputs(self):
+        missing_compiler_executable()
+        tmp_dir = self.mkdtemp()
+        c_file = os.path.join(tmp_dir, 'foo.c')
+        self.write_file(c_file, 'void PyInit_foo(void) {}\n')
+        ext = Extension('foo', [c_file], optional=False)
+        dist = Distribution({'name': 'xx', 'ext_modules': [ext]})
+        cmd = self.build_ext(dist)
+        fixup_build_ext(cmd)
+        cmd.ensure_finalized()
+        assert len(cmd.get_outputs()) == 1
+
+        cmd.build_lib = os.path.join(self.tmp_dir, 'build')
+        cmd.build_temp = os.path.join(self.tmp_dir, 'tempt')
+
+        # issue #5977 : distutils build_ext.get_outputs
+        # returns wrong result with --inplace
+        other_tmp_dir = os.path.realpath(self.mkdtemp())
+        old_wd = os.getcwd()
+        os.chdir(other_tmp_dir)
+        try:
+            cmd.inplace = True
+            cmd.run()
+            so_file = cmd.get_outputs()[0]
+        finally:
+            os.chdir(old_wd)
+        assert os.path.exists(so_file)
+        ext_suffix = sysconfig.get_config_var('EXT_SUFFIX')
+        assert so_file.endswith(ext_suffix)
+        so_dir = os.path.dirname(so_file)
+        assert so_dir == other_tmp_dir
+
+        cmd.inplace = False
+        cmd.compiler = None
+        cmd.run()
+        so_file = cmd.get_outputs()[0]
+        assert os.path.exists(so_file)
+        assert so_file.endswith(ext_suffix)
+        so_dir = os.path.dirname(so_file)
+        assert so_dir == cmd.build_lib
+
+        # inplace = False, cmd.package = 'bar'
+        build_py = cmd.get_finalized_command('build_py')
+        build_py.package_dir = {'': 'bar'}
+        path = cmd.get_ext_fullpath('foo')
+        # checking that the last directory is the build_dir
+        path = os.path.split(path)[0]
+        assert path == cmd.build_lib
+
+        # inplace = True, cmd.package = 'bar'
+        cmd.inplace = True
+        other_tmp_dir = os.path.realpath(self.mkdtemp())
+        old_wd = os.getcwd()
+        os.chdir(other_tmp_dir)
+        try:
+            path = cmd.get_ext_fullpath('foo')
+        finally:
+            os.chdir(old_wd)
+        # checking that the last directory is bar
+        path = os.path.split(path)[0]
+        lastdir = os.path.split(path)[-1]
+        assert lastdir == 'bar'
+
+    def test_ext_fullpath(self):
+        ext = sysconfig.get_config_var('EXT_SUFFIX')
+        # building lxml.etree inplace
+        # etree_c = os.path.join(self.tmp_dir, 'lxml.etree.c')
+        # etree_ext = Extension('lxml.etree', [etree_c])
+        # dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]})
+        dist = Distribution()
+        cmd = self.build_ext(dist)
+        cmd.inplace = True
+        cmd.distribution.package_dir = {'': 'src'}
+        cmd.distribution.packages = ['lxml', 'lxml.html']
+        curdir = os.getcwd()
+        wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext)
+        path = cmd.get_ext_fullpath('lxml.etree')
+        assert wanted == path
+
+        # building lxml.etree not inplace
+        cmd.inplace = False
+        cmd.build_lib = os.path.join(curdir, 'tmpdir')
+        wanted = os.path.join(curdir, 'tmpdir', 'lxml', 'etree' + ext)
+        path = cmd.get_ext_fullpath('lxml.etree')
+        assert wanted == path
+
+        # building twisted.runner.portmap not inplace
+        build_py = cmd.get_finalized_command('build_py')
+        build_py.package_dir = {}
+        cmd.distribution.packages = ['twisted', 'twisted.runner.portmap']
+        path = cmd.get_ext_fullpath('twisted.runner.portmap')
+        wanted = os.path.join(curdir, 'tmpdir', 'twisted', 'runner', 'portmap' + ext)
+        assert wanted == path
+
+        # building twisted.runner.portmap inplace
+        cmd.inplace = True
+        path = cmd.get_ext_fullpath('twisted.runner.portmap')
+        wanted = os.path.join(curdir, 'twisted', 'runner', 'portmap' + ext)
+        assert wanted == path
+
+    @pytest.mark.skipif('platform.system() != "Darwin"')
+    @pytest.mark.usefixtures('save_env')
+    def test_deployment_target_default(self):
+        # Issue 9516: Test that, in the absence of the environment variable,
+        # an extension module is compiled with the same deployment target as
+        #  the interpreter.
+        self._try_compile_deployment_target('==', None)
+
+    @pytest.mark.skipif('platform.system() != "Darwin"')
+    @pytest.mark.usefixtures('save_env')
+    def test_deployment_target_too_low(self):
+        # Issue 9516: Test that an extension module is not allowed to be
+        # compiled with a deployment target less than that of the interpreter.
+        with pytest.raises(DistutilsPlatformError):
+            self._try_compile_deployment_target('>', '10.1')
+
+    @pytest.mark.skipif('platform.system() != "Darwin"')
+    @pytest.mark.usefixtures('save_env')
+    def test_deployment_target_higher_ok(self):  # pragma: no cover
+        # Issue 9516: Test that an extension module can be compiled with a
+        # deployment target higher than that of the interpreter: the ext
+        # module may depend on some newer OS feature.
+        deptarget = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
+        if deptarget:
+            # increment the minor version number (i.e. 10.6 -> 10.7)
+            deptarget = [int(x) for x in deptarget.split('.')]
+            deptarget[-1] += 1
+            deptarget = '.'.join(str(i) for i in deptarget)
+            self._try_compile_deployment_target('<', deptarget)
+
+    def _try_compile_deployment_target(self, operator, target):  # pragma: no cover
+        if target is None:
+            if os.environ.get('MACOSX_DEPLOYMENT_TARGET'):
+                del os.environ['MACOSX_DEPLOYMENT_TARGET']
+        else:
+            os.environ['MACOSX_DEPLOYMENT_TARGET'] = target
+
+        jaraco.path.build(
+            {
+                'deptargetmodule.c': textwrap.dedent(f"""\
+                    #include <AvailabilityMacros.h>
+
+                    int dummy;
+
+                    #if TARGET {operator} MAC_OS_X_VERSION_MIN_REQUIRED
+                    #else
+                    #error "Unexpected target"
+                    #endif
+
+                    """),
+            },
+            self.tmp_path,
+        )
+
+        # get the deployment target that the interpreter was built with
+        target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
+        target = tuple(map(int, target.split('.')[0:2]))
+        # format the target value as defined in the Apple
+        # Availability Macros.  We can't use the macro names since
+        # at least one value we test with will not exist yet.
+        if target[:2] < (10, 10):
+            # for 10.1 through 10.9.x -> "10n0"
+            tmpl = '{:02}{:01}0'
+        else:
+            # for 10.10 and beyond -> "10nn00"
+            if len(target) >= 2:
+                tmpl = '{:02}{:02}00'
+            else:
+                # 11 and later can have no minor version (11 instead of 11.0)
+                tmpl = '{:02}0000'
+        target = tmpl.format(*target)
+        deptarget_ext = Extension(
+            'deptarget',
+            [self.tmp_path / 'deptargetmodule.c'],
+            extra_compile_args=[f'-DTARGET={target}'],
+        )
+        dist = Distribution({'name': 'deptarget', 'ext_modules': [deptarget_ext]})
+        dist.package_dir = self.tmp_dir
+        cmd = self.build_ext(dist)
+        cmd.build_lib = self.tmp_dir
+        cmd.build_temp = self.tmp_dir
+
+        try:
+            old_stdout = sys.stdout
+            if not support.verbose:
+                # silence compiler output
+                sys.stdout = StringIO()
+            try:
+                cmd.ensure_finalized()
+                cmd.run()
+            finally:
+                sys.stdout = old_stdout
+
+        except CompileError:
+            self.fail("Wrong deployment target during compilation")
+
+
+class TestParallelBuildExt(TestBuildExt):
+    def build_ext(self, *args, **kwargs):
+        build_ext = super().build_ext(*args, **kwargs)
+        build_ext.parallel = True
+        return build_ext

python/Lib/site-packages/setuptools/_distutils/tests/test_build_py.py

@@ -0,0 +1,196 @@
+"""Tests for distutils.command.build_py."""
+
+import os
+import sys
+from distutils.command.build_py import build_py
+from distutils.core import Distribution
+from distutils.errors import DistutilsFileError
+from distutils.tests import support
+
+import jaraco.path
+import pytest
+
+
+@support.combine_markers
+class TestBuildPy(support.TempdirManager):
+    def test_package_data(self):
+        sources = self.mkdtemp()
+        jaraco.path.build(
+            {
+                '__init__.py': "# Pretend this is a package.",
+                'README.txt': 'Info about this package',
+            },
+            sources,
+        )
+
+        destination = self.mkdtemp()
+
+        dist = Distribution({"packages": ["pkg"], "package_dir": {"pkg": sources}})
+        # script_name need not exist, it just need to be initialized
+        dist.script_name = os.path.join(sources, "setup.py")
+        dist.command_obj["build"] = support.DummyCommand(
+            force=False, build_lib=destination
+        )
+        dist.packages = ["pkg"]
+        dist.package_data = {"pkg": ["README.txt"]}
+        dist.package_dir = {"pkg": sources}
+
+        cmd = build_py(dist)
+        cmd.compile = True
+        cmd.ensure_finalized()
+        assert cmd.package_data == dist.package_data
+
+        cmd.run()
+
+        # This makes sure the list of outputs includes byte-compiled
+        # files for Python modules but not for package data files
+        # (there shouldn't *be* byte-code files for those!).
+        assert len(cmd.get_outputs()) == 3
+        pkgdest = os.path.join(destination, "pkg")
+        files = os.listdir(pkgdest)
+        pycache_dir = os.path.join(pkgdest, "__pycache__")
+        assert "__init__.py" in files
+        assert "README.txt" in files
+        if sys.dont_write_bytecode:
+            assert not os.path.exists(pycache_dir)
+        else:
+            pyc_files = os.listdir(pycache_dir)
+            assert f"__init__.{sys.implementation.cache_tag}.pyc" in pyc_files
+
+    def test_empty_package_dir(self):
+        # See bugs #1668596/#1720897
+        sources = self.mkdtemp()
+        jaraco.path.build({'__init__.py': '', 'doc': {'testfile': ''}}, sources)
+
+        os.chdir(sources)
+        dist = Distribution({
+            "packages": ["pkg"],
+            "package_dir": {"pkg": ""},
+            "package_data": {"pkg": ["doc/*"]},
+        })
+        # script_name need not exist, it just need to be initialized
+        dist.script_name = os.path.join(sources, "setup.py")
+        dist.script_args = ["build"]
+        dist.parse_command_line()
+
+        try:
+            dist.run_commands()
+        except DistutilsFileError:
+            self.fail("failed package_data test when package_dir is ''")
+
+    @pytest.mark.skipif('sys.dont_write_bytecode')
+    def test_byte_compile(self):
+        project_dir, dist = self.create_dist(py_modules=['boiledeggs'])
+        os.chdir(project_dir)
+        self.write_file('boiledeggs.py', 'import antigravity')
+        cmd = build_py(dist)
+        cmd.compile = True
+        cmd.build_lib = 'here'
+        cmd.finalize_options()
+        cmd.run()
+
+        found = os.listdir(cmd.build_lib)
+        assert sorted(found) == ['__pycache__', 'boiledeggs.py']
+        found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
+        assert found == [f'boiledeggs.{sys.implementation.cache_tag}.pyc']
+
+    @pytest.mark.skipif('sys.dont_write_bytecode')
+    def test_byte_compile_optimized(self):
+        project_dir, dist = self.create_dist(py_modules=['boiledeggs'])
+        os.chdir(project_dir)
+        self.write_file('boiledeggs.py', 'import antigravity')
+        cmd = build_py(dist)
+        cmd.compile = False
+        cmd.optimize = 1
+        cmd.build_lib = 'here'
+        cmd.finalize_options()
+        cmd.run()
+
+        found = os.listdir(cmd.build_lib)
+        assert sorted(found) == ['__pycache__', 'boiledeggs.py']
+        found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
+        expect = f'boiledeggs.{sys.implementation.cache_tag}.opt-1.pyc'
+        assert sorted(found) == [expect]
+
+    def test_dir_in_package_data(self):
+        """
+        A directory in package_data should not be added to the filelist.
+        """
+        # See bug 19286
+        sources = self.mkdtemp()
+        jaraco.path.build(
+            {
+                'pkg': {
+                    '__init__.py': '',
+                    'doc': {
+                        'testfile': '',
+                        # create a directory that could be incorrectly detected as a file
+                        'otherdir': {},
+                    },
+                }
+            },
+            sources,
+        )
+
+        os.chdir(sources)
+        dist = Distribution({"packages": ["pkg"], "package_data": {"pkg": ["doc/*"]}})
+        # script_name need not exist, it just need to be initialized
+        dist.script_name = os.path.join(sources, "setup.py")
+        dist.script_args = ["build"]
+        dist.parse_command_line()
+
+        try:
+            dist.run_commands()
+        except DistutilsFileError:
+            self.fail("failed package_data when data dir includes a dir")
+
+    def test_dont_write_bytecode(self, caplog):
+        # makes sure byte_compile is not used
+        dist = self.create_dist()[1]
+        cmd = build_py(dist)
+        cmd.compile = True
+        cmd.optimize = 1
+
+        old_dont_write_bytecode = sys.dont_write_bytecode
+        sys.dont_write_bytecode = True
+        try:
+            cmd.byte_compile([])
+        finally:
+            sys.dont_write_bytecode = old_dont_write_bytecode
+
+        assert 'byte-compiling is disabled' in caplog.records[0].message
+
+    def test_namespace_package_does_not_warn(self, caplog):
+        """
+        Originally distutils implementation did not account for PEP 420
+        and included warns for package directories that did not contain
+        ``__init__.py`` files.
+        After the acceptance of PEP 420, these warnings don't make more sense
+        so we want to ensure there are not displayed to not confuse the users.
+        """
+        # Create a fake project structure with a package namespace:
+        tmp = self.mkdtemp()
+        jaraco.path.build({'ns': {'pkg': {'module.py': ''}}}, tmp)
+        os.chdir(tmp)
+
+        # Configure the package:
+        attrs = {
+            "name": "ns.pkg",
+            "packages": ["ns", "ns.pkg"],
+            "script_name": "setup.py",
+        }
+        dist = Distribution(attrs)
+
+        # Run code paths that would trigger the trap:
+        cmd = dist.get_command_obj("build_py")
+        cmd.finalize_options()
+        modules = cmd.find_all_modules()
+        assert len(modules) == 1
+        module_path = modules[0][-1]
+        assert module_path.replace(os.sep, "/") == "ns/pkg/module.py"
+
+        cmd.run()
+
+        assert not any(
+            "package init file" in msg and "not found" in msg for msg in caplog.messages
+        )

python/Lib/site-packages/setuptools/_distutils/tests/test_build_scripts.py

@@ -0,0 +1,96 @@
+"""Tests for distutils.command.build_scripts."""
+
+import os
+import textwrap
+from distutils import sysconfig
+from distutils.command.build_scripts import build_scripts
+from distutils.core import Distribution
+from distutils.tests import support
+
+import jaraco.path
+
+
+class TestBuildScripts(support.TempdirManager):
+    def test_default_settings(self):
+        cmd = self.get_build_scripts_cmd("/foo/bar", [])
+        assert not cmd.force
+        assert cmd.build_dir is None
+
+        cmd.finalize_options()
+
+        assert cmd.force
+        assert cmd.build_dir == "/foo/bar"
+
+    def test_build(self):
+        source = self.mkdtemp()
+        target = self.mkdtemp()
+        expected = self.write_sample_scripts(source)
+
+        cmd = self.get_build_scripts_cmd(
+            target, [os.path.join(source, fn) for fn in expected]
+        )
+        cmd.finalize_options()
+        cmd.run()
+
+        built = os.listdir(target)
+        for name in expected:
+            assert name in built
+
+    def get_build_scripts_cmd(self, target, scripts):
+        import sys
+
+        dist = Distribution()
+        dist.scripts = scripts
+        dist.command_obj["build"] = support.DummyCommand(
+            build_scripts=target, force=True, executable=sys.executable
+        )
+        return build_scripts(dist)
+
+    @staticmethod
+    def write_sample_scripts(dir):
+        spec = {
+            'script1.py': textwrap.dedent("""
+                #! /usr/bin/env python2.3
+                # bogus script w/ Python sh-bang
+                pass
+                """).lstrip(),
+            'script2.py': textwrap.dedent("""
+                #!/usr/bin/python
+                # bogus script w/ Python sh-bang
+                pass
+                """).lstrip(),
+            'shell.sh': textwrap.dedent("""
+                #!/bin/sh
+                # bogus shell script w/ sh-bang
+                exit 0
+                """).lstrip(),
+        }
+        jaraco.path.build(spec, dir)
+        return list(spec)
+
+    def test_version_int(self):
+        source = self.mkdtemp()
+        target = self.mkdtemp()
+        expected = self.write_sample_scripts(source)
+
+        cmd = self.get_build_scripts_cmd(
+            target, [os.path.join(source, fn) for fn in expected]
+        )
+        cmd.finalize_options()
+
+        # https://bugs.python.org/issue4524
+        #
+        # On linux-g++-32 with command line `./configure --enable-ipv6
+        # --with-suffix=3`, python is compiled okay but the build scripts
+        # failed when writing the name of the executable
+        old = sysconfig.get_config_vars().get('VERSION')
+        sysconfig._config_vars['VERSION'] = 4
+        try:
+            cmd.run()
+        finally:
+            if old is not None:
+                sysconfig._config_vars['VERSION'] = old
+
+        built = os.listdir(target)
+        for name in expected:
+            assert name in built

python/Lib/site-packages/setuptools/_distutils/tests/test_check.py

@@ -0,0 +1,194 @@
+"""Tests for distutils.command.check."""
+
+import os
+import textwrap
+from distutils.command.check import check
+from distutils.errors import DistutilsSetupError
+from distutils.tests import support
+
+import pytest
+
+try:
+    import pygments
+except ImportError:
+    pygments = None
+
+
+HERE = os.path.dirname(__file__)
+
+
+@support.combine_markers
+class TestCheck(support.TempdirManager):
+    def _run(self, metadata=None, cwd=None, **options):
+        if metadata is None:
+            metadata = {}
+        if cwd is not None:
+            old_dir = os.getcwd()
+            os.chdir(cwd)
+        pkg_info, dist = self.create_dist(**metadata)
+        cmd = check(dist)
+        cmd.initialize_options()
+        for name, value in options.items():
+            setattr(cmd, name, value)
+        cmd.ensure_finalized()
+        cmd.run()
+        if cwd is not None:
+            os.chdir(old_dir)
+        return cmd
+
+    def test_check_metadata(self):
+        # let's run the command with no metadata at all
+        # by default, check is checking the metadata
+        # should have some warnings
+        cmd = self._run()
+        assert cmd._warnings == 1
+
+        # now let's add the required fields
+        # and run it again, to make sure we don't get
+        # any warning anymore
+        metadata = {
+            'url': 'xxx',
+            'author': 'xxx',
+            'author_email': 'xxx',
+            'name': 'xxx',
+            'version': 'xxx',
+        }
+        cmd = self._run(metadata)
+        assert cmd._warnings == 0
+
+        # now with the strict mode, we should
+        # get an error if there are missing metadata
+        with pytest.raises(DistutilsSetupError):
+            self._run({}, **{'strict': 1})
+
+        # and of course, no error when all metadata are present
+        cmd = self._run(metadata, strict=True)
+        assert cmd._warnings == 0
+
+        # now a test with non-ASCII characters
+        metadata = {
+            'url': 'xxx',
+            'author': '\u00c9ric',
+            'author_email': 'xxx',
+            'name': 'xxx',
+            'version': 'xxx',
+            'description': 'Something about esszet \u00df',
+            'long_description': 'More things about esszet \u00df',
+        }
+        cmd = self._run(metadata)
+        assert cmd._warnings == 0
+
+    def test_check_author_maintainer(self):
+        for kind in ("author", "maintainer"):
+            # ensure no warning when author_email or maintainer_email is given
+            # (the spec allows these fields to take the form "Name <email>")
+            metadata = {
+                'url': 'xxx',
+                kind + '_email': 'Name <name@email.com>',
+                'name': 'xxx',
+                'version': 'xxx',
+            }
+            cmd = self._run(metadata)
+            assert cmd._warnings == 0
+
+            # the check should not warn if only email is given
+            metadata[kind + '_email'] = 'name@email.com'
+            cmd = self._run(metadata)
+            assert cmd._warnings == 0
+
+            # the check should not warn if only the name is given
+            metadata[kind] = "Name"
+            del metadata[kind + '_email']
+            cmd = self._run(metadata)
+            assert cmd._warnings == 0
+
+    def test_check_document(self):
+        pytest.importorskip('docutils')
+        pkg_info, dist = self.create_dist()
+        cmd = check(dist)
+
+        # let's see if it detects broken rest
+        broken_rest = 'title\n===\n\ntest'
+        msgs = cmd._check_rst_data(broken_rest)
+        assert len(msgs) == 1
+
+        # and non-broken rest
+        rest = 'title\n=====\n\ntest'
+        msgs = cmd._check_rst_data(rest)
+        assert len(msgs) == 0
+
+    def test_check_restructuredtext(self):
+        pytest.importorskip('docutils')
+        # let's see if it detects broken rest in long_description
+        broken_rest = 'title\n===\n\ntest'
+        pkg_info, dist = self.create_dist(long_description=broken_rest)
+        cmd = check(dist)
+        cmd.check_restructuredtext()
+        assert cmd._warnings == 1
+
+        # let's see if we have an error with strict=True
+        metadata = {
+            'url': 'xxx',
+            'author': 'xxx',
+            'author_email': 'xxx',
+            'name': 'xxx',
+            'version': 'xxx',
+            'long_description': broken_rest,
+        }
+        with pytest.raises(DistutilsSetupError):
+            self._run(metadata, **{'strict': 1, 'restructuredtext': 1})
+
+        # and non-broken rest, including a non-ASCII character to test #12114
+        metadata['long_description'] = 'title\n=====\n\ntest \u00df'
+        cmd = self._run(metadata, strict=True, restructuredtext=True)
+        assert cmd._warnings == 0
+
+        # check that includes work to test #31292
+        metadata['long_description'] = 'title\n=====\n\n.. include:: includetest.rst'
+        cmd = self._run(metadata, cwd=HERE, strict=True, restructuredtext=True)
+        assert cmd._warnings == 0
+
+    def test_check_restructuredtext_with_syntax_highlight(self):
+        pytest.importorskip('docutils')
+        # Don't fail if there is a `code` or `code-block` directive
+
+        example_rst_docs = [
+            textwrap.dedent(
+                """\
+            Here's some code:
+
+            .. code:: python
+
+                def foo():
+                    pass
+            """
+            ),
+            textwrap.dedent(
+                """\
+            Here's some code:
+
+            .. code-block:: python
+
+                def foo():
+                    pass
+            """
+            ),
+        ]
+
+        for rest_with_code in example_rst_docs:
+            pkg_info, dist = self.create_dist(long_description=rest_with_code)
+            cmd = check(dist)
+            cmd.check_restructuredtext()
+            msgs = cmd._check_rst_data(rest_with_code)
+            if pygments is not None:
+                assert len(msgs) == 0
+            else:
+                assert len(msgs) == 1
+                assert (
+                    str(msgs[0][1])
+                    == 'Cannot analyze code. Pygments package not found.'
+                )
+
+    def test_check_all(self):
+        with pytest.raises(DistutilsSetupError):
+            self._run({}, **{'strict': 1, 'restructuredtext': 1})

python/Lib/site-packages/setuptools/_distutils/tests/test_clean.py

@@ -0,0 +1,45 @@
+"""Tests for distutils.command.clean."""
+
+import os
+from distutils.command.clean import clean
+from distutils.tests import support
+
+
+class TestClean(support.TempdirManager):
+    def test_simple_run(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = clean(dist)
+
+        # let's add some elements clean should remove
+        dirs = [
+            (d, os.path.join(pkg_dir, d))
+            for d in (
+                'build_temp',
+                'build_lib',
+                'bdist_base',
+                'build_scripts',
+                'build_base',
+            )
+        ]
+
+        for name, path in dirs:
+            os.mkdir(path)
+            setattr(cmd, name, path)
+            if name == 'build_base':
+                continue
+            for f in ('one', 'two', 'three'):
+                self.write_file(os.path.join(path, f))
+
+        # let's run the command
+        cmd.all = 1
+        cmd.ensure_finalized()
+        cmd.run()
+
+        # make sure the files where removed
+        for _name, path in dirs:
+            assert not os.path.exists(path), f'{path} was not removed'
+
+        # let's run the command again (should spit warnings but succeed)
+        cmd.all = 1
+        cmd.ensure_finalized()
+        cmd.run()

python/Lib/site-packages/setuptools/_distutils/tests/test_cmd.py

@@ -0,0 +1,107 @@
+"""Tests for distutils.cmd."""
+
+import os
+from distutils import debug
+from distutils.cmd import Command
+from distutils.dist import Distribution
+from distutils.errors import DistutilsOptionError
+
+import pytest
+
+
+class MyCmd(Command):
+    def initialize_options(self):
+        pass
+
+
+@pytest.fixture
+def cmd(request):
+    return MyCmd(Distribution())
+
+
+class TestCommand:
+    def test_ensure_string_list(self, cmd):
+        cmd.not_string_list = ['one', 2, 'three']
+        cmd.yes_string_list = ['one', 'two', 'three']
+        cmd.not_string_list2 = object()
+        cmd.yes_string_list2 = 'ok'
+        cmd.ensure_string_list('yes_string_list')
+        cmd.ensure_string_list('yes_string_list2')
+
+        with pytest.raises(DistutilsOptionError):
+            cmd.ensure_string_list('not_string_list')
+
+        with pytest.raises(DistutilsOptionError):
+            cmd.ensure_string_list('not_string_list2')
+
+        cmd.option1 = 'ok,dok'
+        cmd.ensure_string_list('option1')
+        assert cmd.option1 == ['ok', 'dok']
+
+        cmd.option2 = ['xxx', 'www']
+        cmd.ensure_string_list('option2')
+
+        cmd.option3 = ['ok', 2]
+        with pytest.raises(DistutilsOptionError):
+            cmd.ensure_string_list('option3')
+
+    def test_make_file(self, cmd):
+        # making sure it raises when infiles is not a string or a list/tuple
+        with pytest.raises(TypeError):
+            cmd.make_file(infiles=True, outfile='', func='func', args=())
+
+        # making sure execute gets called properly
+        def _execute(func, args, exec_msg, level):
+            assert exec_msg == 'generating out from in'
+
+        cmd.force = True
+        cmd.execute = _execute
+        cmd.make_file(infiles='in', outfile='out', func='func', args=())
+
+    def test_dump_options(self, cmd):
+        msgs = []
+
+        def _announce(msg, level):
+            msgs.append(msg)
+
+        cmd.announce = _announce
+        cmd.option1 = 1
+        cmd.option2 = 1
+        cmd.user_options = [('option1', '', ''), ('option2', '', '')]
+        cmd.dump_options()
+
+        wanted = ["command options for 'MyCmd':", '  option1 = 1', '  option2 = 1']
+        assert msgs == wanted
+
+    def test_ensure_string(self, cmd):
+        cmd.option1 = 'ok'
+        cmd.ensure_string('option1')
+
+        cmd.option2 = None
+        cmd.ensure_string('option2', 'xxx')
+        assert hasattr(cmd, 'option2')
+
+        cmd.option3 = 1
+        with pytest.raises(DistutilsOptionError):
+            cmd.ensure_string('option3')
+
+    def test_ensure_filename(self, cmd):
+        cmd.option1 = __file__
+        cmd.ensure_filename('option1')
+        cmd.option2 = 'xxx'
+        with pytest.raises(DistutilsOptionError):
+            cmd.ensure_filename('option2')
+
+    def test_ensure_dirname(self, cmd):
+        cmd.option1 = os.path.dirname(__file__) or os.curdir
+        cmd.ensure_dirname('option1')
+        cmd.option2 = 'xxx'
+        with pytest.raises(DistutilsOptionError):
+            cmd.ensure_dirname('option2')
+
+    def test_debug_print(self, cmd, capsys, monkeypatch):
+        cmd.debug_print('xxx')
+        assert capsys.readouterr().out == ''
+        monkeypatch.setattr(debug, 'DEBUG', True)
+        cmd.debug_print('xxx')
+        assert capsys.readouterr().out == 'xxx\n'

python/Lib/site-packages/setuptools/_distutils/tests/test_config_cmd.py

@@ -0,0 +1,87 @@
+"""Tests for distutils.command.config."""
+
+import os
+import sys
+from distutils._log import log
+from distutils.command.config import config, dump_file
+from distutils.tests import missing_compiler_executable, support
+
+import more_itertools
+import path
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def info_log(request, monkeypatch):
+    self = request.instance
+    self._logs = []
+    monkeypatch.setattr(log, 'info', self._info)
+
+
+@support.combine_markers
+class TestConfig(support.TempdirManager):
+    def _info(self, msg, *args):
+        for line in msg.splitlines():
+            self._logs.append(line)
+
+    def test_dump_file(self):
+        this_file = path.Path(__file__).with_suffix('.py')
+        with this_file.open(encoding='utf-8') as f:
+            numlines = more_itertools.ilen(f)
+
+        dump_file(this_file, 'I am the header')
+        assert len(self._logs) == numlines + 1
+
+    @pytest.mark.skipif('platform.system() == "Windows"')
+    def test_search_cpp(self):
+        cmd = missing_compiler_executable(['preprocessor'])
+        if cmd is not None:
+            self.skipTest(f'The {cmd!r} command is not found')
+        pkg_dir, dist = self.create_dist()
+        cmd = config(dist)
+        cmd._check_compiler()
+        compiler = cmd.compiler
+        if sys.platform[:3] == "aix" and "xlc" in compiler.preprocessor[0].lower():
+            self.skipTest(
+                'xlc: The -E option overrides the -P, -o, and -qsyntaxonly options'
+            )
+
+        # simple pattern searches
+        match = cmd.search_cpp(pattern='xxx', body='/* xxx */')
+        assert match == 0
+
+        match = cmd.search_cpp(pattern='_configtest', body='/* xxx */')
+        assert match == 1
+
+    def test_finalize_options(self):
+        # finalize_options does a bit of transformation
+        # on options
+        pkg_dir, dist = self.create_dist()
+        cmd = config(dist)
+        cmd.include_dirs = f'one{os.pathsep}two'
+        cmd.libraries = 'one'
+        cmd.library_dirs = f'three{os.pathsep}four'
+        cmd.ensure_finalized()
+
+        assert cmd.include_dirs == ['one', 'two']
+        assert cmd.libraries == ['one']
+        assert cmd.library_dirs == ['three', 'four']
+
+    def test_clean(self):
+        # _clean removes files
+        tmp_dir = self.mkdtemp()
+        f1 = os.path.join(tmp_dir, 'one')
+        f2 = os.path.join(tmp_dir, 'two')
+
+        self.write_file(f1, 'xxx')
+        self.write_file(f2, 'xxx')
+
+        for f in (f1, f2):
+            assert os.path.exists(f)
+
+        pkg_dir, dist = self.create_dist()
+        cmd = config(dist)
+        cmd._clean(f1, f2)
+
+        for f in (f1, f2):
+            assert not os.path.exists(f)

python/Lib/site-packages/setuptools/_distutils/tests/test_core.py

@@ -0,0 +1,130 @@
+"""Tests for distutils.core."""
+
+import distutils.core
+import io
+import os
+import sys
+from distutils.dist import Distribution
+
+import pytest
+
+# setup script that uses __file__
+setup_using___file__ = """\
+
+__file__
+
+from distutils.core import setup
+setup()
+"""
+
+setup_prints_cwd = """\
+
+import os
+print(os.getcwd())
+
+from distutils.core import setup
+setup()
+"""
+
+setup_does_nothing = """\
+from distutils.core import setup
+setup()
+"""
+
+
+setup_defines_subclass = """\
+from distutils.core import setup
+from distutils.command.install import install as _install
+
+class install(_install):
+    sub_commands = _install.sub_commands + ['cmd']
+
+setup(cmdclass={'install': install})
+"""
+
+setup_within_if_main = """\
+from distutils.core import setup
+
+def main():
+    return setup(name="setup_within_if_main")
+
+if __name__ == "__main__":
+    main()
+"""
+
+
+@pytest.fixture(autouse=True)
+def save_stdout(monkeypatch):
+    monkeypatch.setattr(sys, 'stdout', sys.stdout)
+
+
+@pytest.fixture
+def temp_file(tmp_path):
+    return tmp_path / 'file'
+
+
+@pytest.mark.usefixtures('save_env')
+@pytest.mark.usefixtures('save_argv')
+class TestCore:
+    def test_run_setup_provides_file(self, temp_file):
+        # Make sure the script can use __file__; if that's missing, the test
+        # setup.py script will raise NameError.
+        temp_file.write_text(setup_using___file__, encoding='utf-8')
+        distutils.core.run_setup(temp_file)
+
+    def test_run_setup_preserves_sys_argv(self, temp_file):
+        # Make sure run_setup does not clobber sys.argv
+        argv_copy = sys.argv.copy()
+        temp_file.write_text(setup_does_nothing, encoding='utf-8')
+        distutils.core.run_setup(temp_file)
+        assert sys.argv == argv_copy
+
+    def test_run_setup_defines_subclass(self, temp_file):
+        # Make sure the script can use __file__; if that's missing, the test
+        # setup.py script will raise NameError.
+        temp_file.write_text(setup_defines_subclass, encoding='utf-8')
+        dist = distutils.core.run_setup(temp_file)
+        install = dist.get_command_obj('install')
+        assert 'cmd' in install.sub_commands
+
+    def test_run_setup_uses_current_dir(self, tmp_path):
+        """
+        Test that the setup script is run with the current directory
+        as its own current directory.
+        """
+        sys.stdout = io.StringIO()
+        cwd = os.getcwd()
+
+        # Create a directory and write the setup.py file there:
+        setup_py = tmp_path / 'setup.py'
+        setup_py.write_text(setup_prints_cwd, encoding='utf-8')
+        distutils.core.run_setup(setup_py)
+
+        output = sys.stdout.getvalue()
+        if output.endswith("\n"):
+            output = output[:-1]
+        assert cwd == output
+
+    def test_run_setup_within_if_main(self, temp_file):
+        temp_file.write_text(setup_within_if_main, encoding='utf-8')
+        dist = distutils.core.run_setup(temp_file, stop_after="config")
+        assert isinstance(dist, Distribution)
+        assert dist.get_name() == "setup_within_if_main"
+
+    def test_run_commands(self, temp_file):
+        sys.argv = ['setup.py', 'build']
+        temp_file.write_text(setup_within_if_main, encoding='utf-8')
+        dist = distutils.core.run_setup(temp_file, stop_after="commandline")
+        assert 'build' not in dist.have_run
+        distutils.core.run_commands(dist)
+        assert 'build' in dist.have_run
+
+    def test_debug_mode(self, capsys, monkeypatch):
+        # this covers the code called when DEBUG is set
+        sys.argv = ['setup.py', '--name']
+        distutils.core.setup(name='bar')
+        assert capsys.readouterr().out == 'bar\n'
+        monkeypatch.setattr(distutils.core, 'DEBUG', True)
+        distutils.core.setup(name='bar')
+        wanted = "options (after parsing config files):\n"
+        assert capsys.readouterr().out.startswith(wanted)

python/Lib/site-packages/setuptools/_distutils/tests/test_dir_util.py

@@ -0,0 +1,139 @@
+"""Tests for distutils.dir_util."""
+
+import os
+import pathlib
+import stat
+import sys
+import unittest.mock as mock
+from distutils import dir_util, errors
+from distutils.dir_util import (
+    copy_tree,
+    create_tree,
+    ensure_relative,
+    mkpath,
+    remove_tree,
+)
+from distutils.tests import support
+
+import jaraco.path
+import path
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def stuff(request, monkeypatch, distutils_managed_tempdir):
+    self = request.instance
+    tmp_dir = self.mkdtemp()
+    self.root_target = os.path.join(tmp_dir, 'deep')
+    self.target = os.path.join(self.root_target, 'here')
+    self.target2 = os.path.join(tmp_dir, 'deep2')
+
+
+class TestDirUtil(support.TempdirManager):
+    def test_mkpath_remove_tree_verbosity(self, caplog):
+        mkpath(self.target, verbose=False)
+        assert not caplog.records
+        remove_tree(self.root_target, verbose=False)
+
+        mkpath(self.target, verbose=True)
+        wanted = [f'creating {self.target}']
+        assert caplog.messages == wanted
+        caplog.clear()
+
+        remove_tree(self.root_target, verbose=True)
+        wanted = [f"removing '{self.root_target}' (and everything under it)"]
+        assert caplog.messages == wanted
+
+    @pytest.mark.skipif("platform.system() == 'Windows'")
+    def test_mkpath_with_custom_mode(self):
+        # Get and set the current umask value for testing mode bits.
+        umask = os.umask(0o002)
+        os.umask(umask)
+        mkpath(self.target, 0o700)
+        assert stat.S_IMODE(os.stat(self.target).st_mode) == 0o700 & ~umask
+        mkpath(self.target2, 0o555)
+        assert stat.S_IMODE(os.stat(self.target2).st_mode) == 0o555 & ~umask
+
+    def test_create_tree_verbosity(self, caplog):
+        create_tree(self.root_target, ['one', 'two', 'three'], verbose=False)
+        assert caplog.messages == []
+        remove_tree(self.root_target, verbose=False)
+
+        wanted = [f'creating {self.root_target}']
+        create_tree(self.root_target, ['one', 'two', 'three'], verbose=True)
+        assert caplog.messages == wanted
+
+        remove_tree(self.root_target, verbose=False)
+
+    def test_copy_tree_verbosity(self, caplog):
+        mkpath(self.target, verbose=False)
+
+        copy_tree(self.target, self.target2, verbose=False)
+        assert caplog.messages == []
+
+        remove_tree(self.root_target, verbose=False)
+
+        mkpath(self.target, verbose=False)
+        a_file = path.Path(self.target) / 'ok.txt'
+        jaraco.path.build({'ok.txt': 'some content'}, self.target)
+
+        wanted = [f'copying {a_file} -> {self.target2}']
+        copy_tree(self.target, self.target2, verbose=True)
+        assert caplog.messages == wanted
+
+        remove_tree(self.root_target, verbose=False)
+        remove_tree(self.target2, verbose=False)
+
+    def test_copy_tree_skips_nfs_temp_files(self):
+        mkpath(self.target, verbose=False)
+
+        jaraco.path.build({'ok.txt': 'some content', '.nfs123abc': ''}, self.target)
+
+        copy_tree(self.target, self.target2)
+        assert os.listdir(self.target2) == ['ok.txt']
+
+        remove_tree(self.root_target, verbose=False)
+        remove_tree(self.target2, verbose=False)
+
+    def test_ensure_relative(self):
+        if os.sep == '/':
+            assert ensure_relative('/home/foo') == 'home/foo'
+            assert ensure_relative('some/path') == 'some/path'
+        else:  # \\
+            assert ensure_relative('c:\\home\\foo') == 'c:home\\foo'
+            assert ensure_relative('home\\foo') == 'home\\foo'
+
+    def test_copy_tree_exception_in_listdir(self):
+        """
+        An exception in listdir should raise a DistutilsFileError
+        """
+        with (
+            mock.patch("os.listdir", side_effect=OSError()),
+            pytest.raises(errors.DistutilsFileError),
+        ):
+            src = self.tempdirs[-1]
+            dir_util.copy_tree(src, None)
+
+    def test_mkpath_exception_uncached(self, monkeypatch, tmp_path):
+        """
+        Caching should not remember failed attempts.
+
+        pypa/distutils#304
+        """
+
+        class FailPath(pathlib.Path):
+            def mkdir(self, *args, **kwargs):
+                raise OSError("Failed to create directory")
+
+            if sys.version_info < (3, 12):
+                _flavour = pathlib.Path()._flavour
+
+        target = tmp_path / 'foodir'
+
+        with pytest.raises(errors.DistutilsFileError):
+            mkpath(FailPath(target))
+
+        assert not target.exists()
+
+        mkpath(target)
+        assert target.exists()

python/Lib/site-packages/setuptools/_distutils/tests/test_dist.py

@@ -0,0 +1,552 @@
+"""Tests for distutils.dist."""
+
+import email
+import email.generator
+import email.policy
+import functools
+import io
+import os
+import sys
+import textwrap
+import unittest.mock as mock
+import warnings
+from distutils.cmd import Command
+from distutils.dist import Distribution, fix_help_options
+from distutils.tests import support
+from typing import ClassVar
+
+import jaraco.path
+import pytest
+
+pydistutils_cfg = '.' * (os.name == 'posix') + 'pydistutils.cfg'
+
+
+class test_dist(Command):
+    """Sample distutils extension command."""
+
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
+        ("sample-option=", "S", "help text"),
+    ]
+
+    def initialize_options(self):
+        self.sample_option = None
+
+
+class TestDistribution(Distribution):
+    """Distribution subclasses that avoids the default search for
+    configuration files.
+
+    The ._config_files attribute must be set before
+    .parse_config_files() is called.
+    """
+
+    def find_config_files(self):
+        return self._config_files
+
+
+@pytest.fixture
+def clear_argv():
+    del sys.argv[1:]
+
+
+@support.combine_markers
+@pytest.mark.usefixtures('save_env')
+@pytest.mark.usefixtures('save_argv')
+class TestDistributionBehavior(support.TempdirManager):
+    def create_distribution(self, configfiles=()):
+        d = TestDistribution()
+        d._config_files = configfiles
+        d.parse_config_files()
+        d.parse_command_line()
+        return d
+
+    def test_command_packages_unspecified(self, clear_argv):
+        sys.argv.append("build")
+        d = self.create_distribution()
+        assert d.get_command_packages() == ["distutils.command"]
+
+    def test_command_packages_cmdline(self, clear_argv):
+        from distutils.tests.test_dist import test_dist
+
+        sys.argv.extend([
+            "--command-packages",
+            "foo.bar,distutils.tests",
+            "test_dist",
+            "-Ssometext",
+        ])
+        d = self.create_distribution()
+        # let's actually try to load our test command:
+        assert d.get_command_packages() == [
+            "distutils.command",
+            "foo.bar",
+            "distutils.tests",
+        ]
+        cmd = d.get_command_obj("test_dist")
+        assert isinstance(cmd, test_dist)
+        assert cmd.sample_option == "sometext"
+
+    @pytest.mark.skipif(
+        'distutils' not in Distribution.parse_config_files.__module__,
+        reason='Cannot test when virtualenv has monkey-patched Distribution',
+    )
+    def test_venv_install_options(self, tmp_path, clear_argv):
+        sys.argv.append("install")
+        file = str(tmp_path / 'file')
+
+        fakepath = '/somedir'
+
+        jaraco.path.build({
+            file: f"""
+                    [install]
+                    install-base = {fakepath}
+                    install-platbase = {fakepath}
+                    install-lib = {fakepath}
+                    install-platlib = {fakepath}
+                    install-purelib = {fakepath}
+                    install-headers = {fakepath}
+                    install-scripts = {fakepath}
+                    install-data = {fakepath}
+                    prefix = {fakepath}
+                    exec-prefix = {fakepath}
+                    home = {fakepath}
+                    user = {fakepath}
+                    root = {fakepath}
+                    """,
+        })
+
+        # Base case: Not in a Virtual Environment
+        with mock.patch.multiple(sys, prefix='/a', base_prefix='/a'):
+            d = self.create_distribution([file])
+
+        option_tuple = (file, fakepath)
+
+        result_dict = {
+            'install_base': option_tuple,
+            'install_platbase': option_tuple,
+            'install_lib': option_tuple,
+            'install_platlib': option_tuple,
+            'install_purelib': option_tuple,
+            'install_headers': option_tuple,
+            'install_scripts': option_tuple,
+            'install_data': option_tuple,
+            'prefix': option_tuple,
+            'exec_prefix': option_tuple,
+            'home': option_tuple,
+            'user': option_tuple,
+            'root': option_tuple,
+        }
+
+        assert sorted(d.command_options.get('install').keys()) == sorted(
+            result_dict.keys()
+        )
+
+        for key, value in d.command_options.get('install').items():
+            assert value == result_dict[key]
+
+        # Test case: In a Virtual Environment
+        with mock.patch.multiple(sys, prefix='/a', base_prefix='/b'):
+            d = self.create_distribution([file])
+
+        for key in result_dict.keys():
+            assert key not in d.command_options.get('install', {})
+
+    def test_command_packages_configfile(self, tmp_path, clear_argv):
+        sys.argv.append("build")
+        file = str(tmp_path / "file")
+        jaraco.path.build({
+            file: """
+                    [global]
+                    command_packages = foo.bar, splat
+                    """,
+        })
+
+        d = self.create_distribution([file])
+        assert d.get_command_packages() == ["distutils.command", "foo.bar", "splat"]
+
+        # ensure command line overrides config:
+        sys.argv[1:] = ["--command-packages", "spork", "build"]
+        d = self.create_distribution([file])
+        assert d.get_command_packages() == ["distutils.command", "spork"]
+
+        # Setting --command-packages to '' should cause the default to
+        # be used even if a config file specified something else:
+        sys.argv[1:] = ["--command-packages", "", "build"]
+        d = self.create_distribution([file])
+        assert d.get_command_packages() == ["distutils.command"]
+
+    def test_empty_options(self, request):
+        # an empty options dictionary should not stay in the
+        # list of attributes
+
+        # catching warnings
+        warns = []
+
+        def _warn(msg):
+            warns.append(msg)
+
+        request.addfinalizer(
+            functools.partial(setattr, warnings, 'warn', warnings.warn)
+        )
+        warnings.warn = _warn
+        dist = Distribution(
+            attrs={
+                'author': 'xxx',
+                'name': 'xxx',
+                'version': 'xxx',
+                'url': 'xxxx',
+                'options': {},
+            }
+        )
+
+        assert len(warns) == 0
+        assert 'options' not in dir(dist)
+
+    def test_finalize_options(self):
+        attrs = {'keywords': 'one,two', 'platforms': 'one,two'}
+
+        dist = Distribution(attrs=attrs)
+        dist.finalize_options()
+
+        # finalize_option splits platforms and keywords
+        assert dist.metadata.platforms == ['one', 'two']
+        assert dist.metadata.keywords == ['one', 'two']
+
+        attrs = {'keywords': 'foo bar', 'platforms': 'foo bar'}
+        dist = Distribution(attrs=attrs)
+        dist.finalize_options()
+        assert dist.metadata.platforms == ['foo bar']
+        assert dist.metadata.keywords == ['foo bar']
+
+    def test_get_command_packages(self):
+        dist = Distribution()
+        assert dist.command_packages is None
+        cmds = dist.get_command_packages()
+        assert cmds == ['distutils.command']
+        assert dist.command_packages == ['distutils.command']
+
+        dist.command_packages = 'one,two'
+        cmds = dist.get_command_packages()
+        assert cmds == ['distutils.command', 'one', 'two']
+
+    def test_announce(self):
+        # make sure the level is known
+        dist = Distribution()
+        with pytest.raises(TypeError):
+            dist.announce('ok', level='ok2')
+
+    def test_find_config_files_disable(self, temp_home):
+        # Ticket #1180: Allow user to disable their home config file.
+        jaraco.path.build({pydistutils_cfg: '[distutils]\n'}, temp_home)
+
+        d = Distribution()
+        all_files = d.find_config_files()
+
+        d = Distribution(attrs={'script_args': ['--no-user-cfg']})
+        files = d.find_config_files()
+
+        # make sure --no-user-cfg disables the user cfg file
+        assert len(all_files) - 1 == len(files)
+
+    def test_script_args_list_coercion(self):
+        d = Distribution(attrs={'script_args': ('build', '--no-user-cfg')})
+
+        # make sure script_args is a list even if it started as a different iterable
+        assert d.script_args == ['build', '--no-user-cfg']
+
+    @pytest.mark.skipif(
+        'platform.system() == "Windows"',
+        reason='Windows does not honor chmod 000',
+    )
+    def test_find_config_files_permission_error(self, fake_home):
+        """
+        Finding config files should not fail when directory is inaccessible.
+        """
+        fake_home.joinpath(pydistutils_cfg).write_text('', encoding='utf-8')
+        fake_home.chmod(0o000)
+        Distribution().find_config_files()
+
+
+@pytest.mark.usefixtures('save_env')
+@pytest.mark.usefixtures('save_argv')
+class TestMetadata(support.TempdirManager):
+    def format_metadata(self, dist):
+        sio = io.StringIO()
+        dist.metadata.write_pkg_file(sio)
+        return sio.getvalue()
+
+    def test_simple_metadata(self):
+        attrs = {"name": "package", "version": "1.0"}
+        dist = Distribution(attrs)
+        meta = self.format_metadata(dist)
+        assert "Metadata-Version: 1.0" in meta
+        assert "provides:" not in meta.lower()
+        assert "requires:" not in meta.lower()
+        assert "obsoletes:" not in meta.lower()
+
+    def test_provides(self):
+        attrs = {
+            "name": "package",
+            "version": "1.0",
+            "provides": ["package", "package.sub"],
+        }
+        dist = Distribution(attrs)
+        assert dist.metadata.get_provides() == ["package", "package.sub"]
+        assert dist.get_provides() == ["package", "package.sub"]
+        meta = self.format_metadata(dist)
+        assert "Metadata-Version: 1.1" in meta
+        assert "requires:" not in meta.lower()
+        assert "obsoletes:" not in meta.lower()
+
+    def test_provides_illegal(self):
+        with pytest.raises(ValueError):
+            Distribution(
+                {"name": "package", "version": "1.0", "provides": ["my.pkg (splat)"]},
+            )
+
+    def test_requires(self):
+        attrs = {
+            "name": "package",
+            "version": "1.0",
+            "requires": ["other", "another (==1.0)"],
+        }
+        dist = Distribution(attrs)
+        assert dist.metadata.get_requires() == ["other", "another (==1.0)"]
+        assert dist.get_requires() == ["other", "another (==1.0)"]
+        meta = self.format_metadata(dist)
+        assert "Metadata-Version: 1.1" in meta
+        assert "provides:" not in meta.lower()
+        assert "Requires: other" in meta
+        assert "Requires: another (==1.0)" in meta
+        assert "obsoletes:" not in meta.lower()
+
+    def test_requires_illegal(self):
+        with pytest.raises(ValueError):
+            Distribution(
+                {"name": "package", "version": "1.0", "requires": ["my.pkg (splat)"]},
+            )
+
+    def test_requires_to_list(self):
+        attrs = {"name": "package", "requires": iter(["other"])}
+        dist = Distribution(attrs)
+        assert isinstance(dist.metadata.requires, list)
+
+    def test_obsoletes(self):
+        attrs = {
+            "name": "package",
+            "version": "1.0",
+            "obsoletes": ["other", "another (<1.0)"],
+        }
+        dist = Distribution(attrs)
+        assert dist.metadata.get_obsoletes() == ["other", "another (<1.0)"]
+        assert dist.get_obsoletes() == ["other", "another (<1.0)"]
+        meta = self.format_metadata(dist)
+        assert "Metadata-Version: 1.1" in meta
+        assert "provides:" not in meta.lower()
+        assert "requires:" not in meta.lower()
+        assert "Obsoletes: other" in meta
+        assert "Obsoletes: another (<1.0)" in meta
+
+    def test_obsoletes_illegal(self):
+        with pytest.raises(ValueError):
+            Distribution(
+                {"name": "package", "version": "1.0", "obsoletes": ["my.pkg (splat)"]},
+            )
+
+    def test_obsoletes_to_list(self):
+        attrs = {"name": "package", "obsoletes": iter(["other"])}
+        dist = Distribution(attrs)
+        assert isinstance(dist.metadata.obsoletes, list)
+
+    def test_classifier(self):
+        attrs = {
+            'name': 'Boa',
+            'version': '3.0',
+            'classifiers': ['Programming Language :: Python :: 3'],
+        }
+        dist = Distribution(attrs)
+        assert dist.get_classifiers() == ['Programming Language :: Python :: 3']
+        meta = self.format_metadata(dist)
+        assert 'Metadata-Version: 1.1' in meta
+
+    def test_classifier_invalid_type(self, caplog):
+        attrs = {
+            'name': 'Boa',
+            'version': '3.0',
+            'classifiers': ('Programming Language :: Python :: 3',),
+        }
+        d = Distribution(attrs)
+        # should have warning about passing a non-list
+        assert 'should be a list' in caplog.messages[0]
+        # should be converted to a list
+        assert isinstance(d.metadata.classifiers, list)
+        assert d.metadata.classifiers == list(attrs['classifiers'])
+
+    def test_keywords(self):
+        attrs = {
+            'name': 'Monty',
+            'version': '1.0',
+            'keywords': ['spam', 'eggs', 'life of brian'],
+        }
+        dist = Distribution(attrs)
+        assert dist.get_keywords() == ['spam', 'eggs', 'life of brian']
+
+    def test_keywords_invalid_type(self, caplog):
+        attrs = {
+            'name': 'Monty',
+            'version': '1.0',
+            'keywords': ('spam', 'eggs', 'life of brian'),
+        }
+        d = Distribution(attrs)
+        # should have warning about passing a non-list
+        assert 'should be a list' in caplog.messages[0]
+        # should be converted to a list
+        assert isinstance(d.metadata.keywords, list)
+        assert d.metadata.keywords == list(attrs['keywords'])
+
+    def test_platforms(self):
+        attrs = {
+            'name': 'Monty',
+            'version': '1.0',
+            'platforms': ['GNU/Linux', 'Some Evil Platform'],
+        }
+        dist = Distribution(attrs)
+        assert dist.get_platforms() == ['GNU/Linux', 'Some Evil Platform']
+
+    def test_platforms_invalid_types(self, caplog):
+        attrs = {
+            'name': 'Monty',
+            'version': '1.0',
+            'platforms': ('GNU/Linux', 'Some Evil Platform'),
+        }
+        d = Distribution(attrs)
+        # should have warning about passing a non-list
+        assert 'should be a list' in caplog.messages[0]
+        # should be converted to a list
+        assert isinstance(d.metadata.platforms, list)
+        assert d.metadata.platforms == list(attrs['platforms'])
+
+    def test_download_url(self):
+        attrs = {
+            'name': 'Boa',
+            'version': '3.0',
+            'download_url': 'http://example.org/boa',
+        }
+        dist = Distribution(attrs)
+        meta = self.format_metadata(dist)
+        assert 'Metadata-Version: 1.1' in meta
+
+    def test_long_description(self):
+        long_desc = textwrap.dedent(
+            """\
+        example::
+              We start here
+            and continue here
+          and end here."""
+        )
+        attrs = {"name": "package", "version": "1.0", "long_description": long_desc}
+
+        dist = Distribution(attrs)
+        meta = self.format_metadata(dist)
+        meta = meta.replace('\n' + 8 * ' ', '\n')
+        assert long_desc in meta
+
+    def test_custom_pydistutils(self, temp_home):
+        """
+        pydistutils.cfg is found
+        """
+        jaraco.path.build({pydistutils_cfg: ''}, temp_home)
+        config_path = temp_home / pydistutils_cfg
+
+        assert str(config_path) in Distribution().find_config_files()
+
+    def test_extra_pydistutils(self, monkeypatch, tmp_path):
+        jaraco.path.build({'overrides.cfg': ''}, tmp_path)
+        filename = tmp_path / 'overrides.cfg'
+        monkeypatch.setenv('DIST_EXTRA_CONFIG', str(filename))
+        assert str(filename) in Distribution().find_config_files()
+
+    def test_fix_help_options(self):
+        help_tuples = [('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
+        fancy_options = fix_help_options(help_tuples)
+        assert fancy_options[0] == ('a', 'b', 'c')
+        assert fancy_options[1] == (1, 2, 3)
+
+    def test_show_help(self, request, capsys):
+        # smoke test, just makes sure some help is displayed
+        dist = Distribution()
+        sys.argv = []
+        dist.help = True
+        dist.script_name = 'setup.py'
+        dist.parse_command_line()
+
+        output = [
+            line for line in capsys.readouterr().out.split('\n') if line.strip() != ''
+        ]
+        assert output
+
+    def test_read_metadata(self):
+        attrs = {
+            "name": "package",
+            "version": "1.0",
+            "long_description": "desc",
+            "description": "xxx",
+            "download_url": "http://example.com",
+            "keywords": ['one', 'two'],
+            "requires": ['foo'],
+        }
+
+        dist = Distribution(attrs)
+        metadata = dist.metadata
+
+        # write it then reloads it
+        PKG_INFO = io.StringIO()
+        metadata.write_pkg_file(PKG_INFO)
+        PKG_INFO.seek(0)
+        metadata.read_pkg_file(PKG_INFO)
+
+        assert metadata.name == "package"
+        assert metadata.version == "1.0"
+        assert metadata.description == "xxx"
+        assert metadata.download_url == 'http://example.com'
+        assert metadata.keywords == ['one', 'two']
+        assert metadata.platforms is None
+        assert metadata.obsoletes is None
+        assert metadata.requires == ['foo']
+
+    def test_round_trip_through_email_generator(self):
+        """
+        In pypa/setuptools#4033, it was shown that once PKG-INFO is
+        re-generated using ``email.generator.Generator``, some control
+        characters might cause problems.
+        """
+        # Given a PKG-INFO file ...
+        attrs = {
+            "name": "package",
+            "version": "1.0",
+            "long_description": "hello\x0b\nworld\n",
+        }
+        dist = Distribution(attrs)
+        metadata = dist.metadata
+
+        with io.StringIO() as buffer:
+            metadata.write_pkg_file(buffer)
+            msg = buffer.getvalue()
+
+        # ... when it is read and re-written using stdlib's email library,
+        orig = email.message_from_string(msg)
+        policy = email.policy.EmailPolicy(
+            utf8=True,
+            mangle_from_=False,
+            max_line_length=0,
+        )
+        with io.StringIO() as buffer:
+            email.generator.Generator(buffer, policy=policy).flatten(orig)
+
+            buffer.seek(0)
+            regen = email.message_from_file(buffer)
+
+        # ... then it should be the same as the original
+        # (except for the specific line break characters)
+        orig_desc = set(orig["Description"].splitlines())
+        regen_desc = set(regen["Description"].splitlines())
+        assert regen_desc == orig_desc

python/Lib/site-packages/setuptools/_distutils/tests/test_extension.py

@@ -0,0 +1,117 @@
+"""Tests for distutils.extension."""
+
+import os
+import pathlib
+import warnings
+from distutils.extension import Extension, read_setup_file
+
+import pytest
+from test.support.warnings_helper import check_warnings
+
+
+class TestExtension:
+    def test_read_setup_file(self):
+        # trying to read a Setup file
+        # (sample extracted from the PyGame project)
+        setup = os.path.join(os.path.dirname(__file__), 'Setup.sample')
+
+        exts = read_setup_file(setup)
+        names = [ext.name for ext in exts]
+        names.sort()
+
+        # here are the extensions read_setup_file should have created
+        # out of the file
+        wanted = [
+            '_arraysurfarray',
+            '_camera',
+            '_numericsndarray',
+            '_numericsurfarray',
+            'base',
+            'bufferproxy',
+            'cdrom',
+            'color',
+            'constants',
+            'display',
+            'draw',
+            'event',
+            'fastevent',
+            'font',
+            'gfxdraw',
+            'image',
+            'imageext',
+            'joystick',
+            'key',
+            'mask',
+            'mixer',
+            'mixer_music',
+            'mouse',
+            'movie',
+            'overlay',
+            'pixelarray',
+            'pypm',
+            'rect',
+            'rwobject',
+            'scrap',
+            'surface',
+            'surflock',
+            'time',
+            'transform',
+        ]
+
+        assert names == wanted
+
+    def test_extension_init(self):
+        # the first argument, which is the name, must be a string
+        with pytest.raises(TypeError):
+            Extension(1, [])
+        ext = Extension('name', [])
+        assert ext.name == 'name'
+
+        # the second argument, which is the list of files, must
+        # be an iterable of strings or PathLike objects, and not a string
+        with pytest.raises(TypeError):
+            Extension('name', 'file')
+        with pytest.raises(TypeError):
+            Extension('name', ['file', 1])
+        ext = Extension('name', ['file1', 'file2'])
+        assert ext.sources == ['file1', 'file2']
+        ext = Extension('name', [pathlib.Path('file1'), pathlib.Path('file2')])
+        assert ext.sources == ['file1', 'file2']
+
+        # any non-string iterable of strings or PathLike objects should work
+        ext = Extension('name', ('file1', 'file2'))  # tuple
+        assert ext.sources == ['file1', 'file2']
+        ext = Extension('name', {'file1', 'file2'})  # set
+        assert sorted(ext.sources) == ['file1', 'file2']
+        ext = Extension('name', iter(['file1', 'file2']))  # iterator
+        assert ext.sources == ['file1', 'file2']
+        ext = Extension('name', [pathlib.Path('file1'), 'file2'])  # mixed types
+        assert ext.sources == ['file1', 'file2']
+
+        # others arguments have defaults
+        for attr in (
+            'include_dirs',
+            'define_macros',
+            'undef_macros',
+            'library_dirs',
+            'libraries',
+            'runtime_library_dirs',
+            'extra_objects',
+            'extra_compile_args',
+            'extra_link_args',
+            'export_symbols',
+            'swig_opts',
+            'depends',
+        ):
+            assert getattr(ext, attr) == []
+
+        assert ext.language is None
+        assert ext.optional is None
+
+        # if there are unknown keyword options, warn about them
+        with check_warnings() as w:
+            warnings.simplefilter('always')
+            ext = Extension('name', ['file1', 'file2'], chic=True)
+
+        assert len(w.warnings) == 1
+        assert str(w.warnings[0].message) == "Unknown Extension options: 'chic'"

python/Lib/site-packages/setuptools/_distutils/tests/test_file_util.py

@@ -0,0 +1,95 @@
+"""Tests for distutils.file_util."""
+
+import errno
+import os
+import unittest.mock as mock
+from distutils.errors import DistutilsFileError
+from distutils.file_util import copy_file, move_file
+
+import jaraco.path
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def stuff(request, tmp_path):
+    self = request.instance
+    self.source = tmp_path / 'f1'
+    self.target = tmp_path / 'f2'
+    self.target_dir = tmp_path / 'd1'
+
+
+class TestFileUtil:
+    def test_move_file_verbosity(self, caplog):
+        jaraco.path.build({self.source: 'some content'})
+
+        move_file(self.source, self.target, verbose=False)
+        assert not caplog.messages
+
+        # back to original state
+        move_file(self.target, self.source, verbose=False)
+
+        move_file(self.source, self.target, verbose=True)
+        wanted = [f'moving {self.source} -> {self.target}']
+        assert caplog.messages == wanted
+
+        # back to original state
+        move_file(self.target, self.source, verbose=False)
+
+        caplog.clear()
+        # now the target is a dir
+        os.mkdir(self.target_dir)
+        move_file(self.source, self.target_dir, verbose=True)
+        wanted = [f'moving {self.source} -> {self.target_dir}']
+        assert caplog.messages == wanted
+
+    def test_move_file_exception_unpacking_rename(self):
+        # see issue 22182
+        with (
+            mock.patch("os.rename", side_effect=OSError("wrong", 1)),
+            pytest.raises(DistutilsFileError),
+        ):
+            jaraco.path.build({self.source: 'spam eggs'})
+            move_file(self.source, self.target, verbose=False)
+
+    def test_move_file_exception_unpacking_unlink(self):
+        # see issue 22182
+        with (
+            mock.patch("os.rename", side_effect=OSError(errno.EXDEV, "wrong")),
+            mock.patch("os.unlink", side_effect=OSError("wrong", 1)),
+            pytest.raises(DistutilsFileError),
+        ):
+            jaraco.path.build({self.source: 'spam eggs'})
+            move_file(self.source, self.target, verbose=False)
+
+    def test_copy_file_hard_link(self):
+        jaraco.path.build({self.source: 'some content'})
+        # Check first that copy_file() will not fall back on copying the file
+        # instead of creating the hard link.
+        try:
+            os.link(self.source, self.target)
+        except OSError as e:
+            self.skipTest(f'os.link: {e}')
+        else:
+            self.target.unlink()
+        st = os.stat(self.source)
+        copy_file(self.source, self.target, link='hard')
+        st2 = os.stat(self.source)
+        st3 = os.stat(self.target)
+        assert os.path.samestat(st, st2), (st, st2)
+        assert os.path.samestat(st2, st3), (st2, st3)
+        assert self.source.read_text(encoding='utf-8') == 'some content'
+
+    def test_copy_file_hard_link_failure(self):
+        # If hard linking fails, copy_file() falls back on copying file
+        # (some special filesystems don't support hard linking even under
+        #  Unix, see issue #8876).
+        jaraco.path.build({self.source: 'some content'})
+        st = os.stat(self.source)
+        with mock.patch("os.link", side_effect=OSError(0, "linking unsupported")):
+            copy_file(self.source, self.target, link='hard')
+        st2 = os.stat(self.source)
+        st3 = os.stat(self.target)
+        assert os.path.samestat(st, st2), (st, st2)
+        assert not os.path.samestat(st2, st3), (st2, st3)
+        for fn in (self.source, self.target):
+            assert fn.read_text(encoding='utf-8') == 'some content'

python/Lib/site-packages/setuptools/_distutils/tests/test_filelist.py

@@ -0,0 +1,336 @@
+"""Tests for distutils.filelist."""
+
+import logging
+import os
+import re
+from distutils import debug, filelist
+from distutils.errors import DistutilsTemplateError
+from distutils.filelist import FileList, glob_to_re, translate_pattern
+
+import jaraco.path
+import pytest
+
+from .compat import py39 as os_helper
+
+MANIFEST_IN = """\
+include ok
+include xo
+exclude xo
+include foo.tmp
+include buildout.cfg
+global-include *.x
+global-include *.txt
+global-exclude *.tmp
+recursive-include f *.oo
+recursive-exclude global *.x
+graft dir
+prune dir3
+"""
+
+
+def make_local_path(s):
+    """Converts '/' in a string to os.sep"""
+    return s.replace('/', os.sep)
+
+
+class TestFileList:
+    def assertNoWarnings(self, caplog):
+        warnings = [rec for rec in caplog.records if rec.levelno == logging.WARNING]
+        assert not warnings
+        caplog.clear()
+
+    def assertWarnings(self, caplog):
+        warnings = [rec for rec in caplog.records if rec.levelno == logging.WARNING]
+        assert warnings
+        caplog.clear()
+
+    def test_glob_to_re(self):
+        sep = os.sep
+        if os.sep == '\\':
+            sep = re.escape(os.sep)
+
+        for glob, regex in (
+            # simple cases
+            ('foo*', r'(?s:foo[^%(sep)s]*)\Z'),
+            ('foo?', r'(?s:foo[^%(sep)s])\Z'),
+            ('foo??', r'(?s:foo[^%(sep)s][^%(sep)s])\Z'),
+            # special cases
+            (r'foo\\*', r'(?s:foo\\\\[^%(sep)s]*)\Z'),
+            (r'foo\\\*', r'(?s:foo\\\\\\[^%(sep)s]*)\Z'),
+            ('foo????', r'(?s:foo[^%(sep)s][^%(sep)s][^%(sep)s][^%(sep)s])\Z'),
+            (r'foo\\??', r'(?s:foo\\\\[^%(sep)s][^%(sep)s])\Z'),
+        ):
+            regex = regex % {'sep': sep}
+            assert glob_to_re(glob) == regex
+
+    def test_process_template_line(self):
+        # testing  all MANIFEST.in template patterns
+        file_list = FileList()
+        mlp = make_local_path
+
+        # simulated file list
+        file_list.allfiles = [
+            'foo.tmp',
+            'ok',
+            'xo',
+            'four.txt',
+            'buildout.cfg',
+            # filelist does not filter out VCS directories,
+            # it's sdist that does
+            mlp('.hg/last-message.txt'),
+            mlp('global/one.txt'),
+            mlp('global/two.txt'),
+            mlp('global/files.x'),
+            mlp('global/here.tmp'),
+            mlp('f/o/f.oo'),
+            mlp('dir/graft-one'),
+            mlp('dir/dir2/graft2'),
+            mlp('dir3/ok'),
+            mlp('dir3/sub/ok.txt'),
+        ]
+
+        for line in MANIFEST_IN.split('\n'):
+            if line.strip() == '':
+                continue
+            file_list.process_template_line(line)
+
+        wanted = [
+            'ok',
+            'buildout.cfg',
+            'four.txt',
+            mlp('.hg/last-message.txt'),
+            mlp('global/one.txt'),
+            mlp('global/two.txt'),
+            mlp('f/o/f.oo'),
+            mlp('dir/graft-one'),
+            mlp('dir/dir2/graft2'),
+        ]
+
+        assert file_list.files == wanted
+
+    def test_debug_print(self, capsys, monkeypatch):
+        file_list = FileList()
+        file_list.debug_print('xxx')
+        assert capsys.readouterr().out == ''
+
+        monkeypatch.setattr(debug, 'DEBUG', True)
+        file_list.debug_print('xxx')
+        assert capsys.readouterr().out == 'xxx\n'
+
+    def test_set_allfiles(self):
+        file_list = FileList()
+        files = ['a', 'b', 'c']
+        file_list.set_allfiles(files)
+        assert file_list.allfiles == files
+
+    def test_remove_duplicates(self):
+        file_list = FileList()
+        file_list.files = ['a', 'b', 'a', 'g', 'c', 'g']
+        # files must be sorted beforehand (sdist does it)
+        file_list.sort()
+        file_list.remove_duplicates()
+        assert file_list.files == ['a', 'b', 'c', 'g']
+
+    def test_translate_pattern(self):
+        # not regex
+        assert hasattr(translate_pattern('a', anchor=True, is_regex=False), 'search')
+
+        # is a regex
+        regex = re.compile('a')
+        assert translate_pattern(regex, anchor=True, is_regex=True) == regex
+
+        # plain string flagged as regex
+        assert hasattr(translate_pattern('a', anchor=True, is_regex=True), 'search')
+
+        # glob support
+        assert translate_pattern('*.py', anchor=True, is_regex=False).search(
+            'filelist.py'
+        )
+
+    def test_exclude_pattern(self):
+        # return False if no match
+        file_list = FileList()
+        assert not file_list.exclude_pattern('*.py')
+
+        # return True if files match
+        file_list = FileList()
+        file_list.files = ['a.py', 'b.py']
+        assert file_list.exclude_pattern('*.py')
+
+        # test excludes
+        file_list = FileList()
+        file_list.files = ['a.py', 'a.txt']
+        file_list.exclude_pattern('*.py')
+        assert file_list.files == ['a.txt']
+
+    def test_include_pattern(self):
+        # return False if no match
+        file_list = FileList()
+        file_list.set_allfiles([])
+        assert not file_list.include_pattern('*.py')
+
+        # return True if files match
+        file_list = FileList()
+        file_list.set_allfiles(['a.py', 'b.txt'])
+        assert file_list.include_pattern('*.py')
+
+        # test * matches all files
+        file_list = FileList()
+        assert file_list.allfiles is None
+        file_list.set_allfiles(['a.py', 'b.txt'])
+        file_list.include_pattern('*')
+        assert file_list.allfiles == ['a.py', 'b.txt']
+
+    def test_process_template(self, caplog):
+        mlp = make_local_path
+        # invalid lines
+        file_list = FileList()
+        for action in (
+            'include',
+            'exclude',
+            'global-include',
+            'global-exclude',
+            'recursive-include',
+            'recursive-exclude',
+            'graft',
+            'prune',
+            'blarg',
+        ):
+            with pytest.raises(DistutilsTemplateError):
+                file_list.process_template_line(action)
+
+        # include
+        file_list = FileList()
+        file_list.set_allfiles(['a.py', 'b.txt', mlp('d/c.py')])
+
+        file_list.process_template_line('include *.py')
+        assert file_list.files == ['a.py']
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('include *.rb')
+        assert file_list.files == ['a.py']
+        self.assertWarnings(caplog)
+
+        # exclude
+        file_list = FileList()
+        file_list.files = ['a.py', 'b.txt', mlp('d/c.py')]
+
+        file_list.process_template_line('exclude *.py')
+        assert file_list.files == ['b.txt', mlp('d/c.py')]
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('exclude *.rb')
+        assert file_list.files == ['b.txt', mlp('d/c.py')]
+        self.assertWarnings(caplog)
+
+        # global-include
+        file_list = FileList()
+        file_list.set_allfiles(['a.py', 'b.txt', mlp('d/c.py')])
+
+        file_list.process_template_line('global-include *.py')
+        assert file_list.files == ['a.py', mlp('d/c.py')]
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('global-include *.rb')
+        assert file_list.files == ['a.py', mlp('d/c.py')]
+        self.assertWarnings(caplog)
+
+        # global-exclude
+        file_list = FileList()
+        file_list.files = ['a.py', 'b.txt', mlp('d/c.py')]
+
+        file_list.process_template_line('global-exclude *.py')
+        assert file_list.files == ['b.txt']
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('global-exclude *.rb')
+        assert file_list.files == ['b.txt']
+        self.assertWarnings(caplog)
+
+        # recursive-include
+        file_list = FileList()
+        file_list.set_allfiles(['a.py', mlp('d/b.py'), mlp('d/c.txt'), mlp('d/d/e.py')])
+
+        file_list.process_template_line('recursive-include d *.py')
+        assert file_list.files == [mlp('d/b.py'), mlp('d/d/e.py')]
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('recursive-include e *.py')
+        assert file_list.files == [mlp('d/b.py'), mlp('d/d/e.py')]
+        self.assertWarnings(caplog)
+
+        # recursive-exclude
+        file_list = FileList()
+        file_list.files = ['a.py', mlp('d/b.py'), mlp('d/c.txt'), mlp('d/d/e.py')]
+
+        file_list.process_template_line('recursive-exclude d *.py')
+        assert file_list.files == ['a.py', mlp('d/c.txt')]
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('recursive-exclude e *.py')
+        assert file_list.files == ['a.py', mlp('d/c.txt')]
+        self.assertWarnings(caplog)
+
+        # graft
+        file_list = FileList()
+        file_list.set_allfiles(['a.py', mlp('d/b.py'), mlp('d/d/e.py'), mlp('f/f.py')])
+
+        file_list.process_template_line('graft d')
+        assert file_list.files == [mlp('d/b.py'), mlp('d/d/e.py')]
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('graft e')
+        assert file_list.files == [mlp('d/b.py'), mlp('d/d/e.py')]
+        self.assertWarnings(caplog)
+
+        # prune
+        file_list = FileList()
+        file_list.files = ['a.py', mlp('d/b.py'), mlp('d/d/e.py'), mlp('f/f.py')]
+
+        file_list.process_template_line('prune d')
+        assert file_list.files == ['a.py', mlp('f/f.py')]
+        self.assertNoWarnings(caplog)
+
+        file_list.process_template_line('prune e')
+        assert file_list.files == ['a.py', mlp('f/f.py')]
+        self.assertWarnings(caplog)
+
+
+class TestFindAll:
+    @os_helper.skip_unless_symlink
+    def test_missing_symlink(self, temp_cwd):
+        os.symlink('foo', 'bar')
+        assert filelist.findall() == []
+
+    def test_basic_discovery(self, temp_cwd):
+        """
+        When findall is called with no parameters or with
+        '.' as the parameter, the dot should be omitted from
+        the results.
+        """
+        jaraco.path.build({'foo': {'file1.txt': ''}, 'bar': {'file2.txt': ''}})
+        file1 = os.path.join('foo', 'file1.txt')
+        file2 = os.path.join('bar', 'file2.txt')
+        expected = [file2, file1]
+        assert sorted(filelist.findall()) == expected
+
+    def test_non_local_discovery(self, tmp_path):
+        """
+        When findall is called with another path, the full
+        path name should be returned.
+        """
+        jaraco.path.build({'file1.txt': ''}, tmp_path)
+        expected = [str(tmp_path / 'file1.txt')]
+        assert filelist.findall(tmp_path) == expected
+
+    @os_helper.skip_unless_symlink
+    def test_symlink_loop(self, tmp_path):
+        jaraco.path.build(
+            {
+                'link-to-parent': jaraco.path.Symlink('.'),
+                'somefile': '',
+            },
+            tmp_path,
+        )
+        files = filelist.findall(tmp_path)
+        assert len(files) == 1

python/Lib/site-packages/setuptools/_distutils/tests/test_install.py

@@ -0,0 +1,245 @@
+"""Tests for distutils.command.install."""
+
+import logging
+import os
+import pathlib
+import site
+import sys
+from distutils import sysconfig
+from distutils.command import install as install_module
+from distutils.command.build_ext import build_ext
+from distutils.command.install import INSTALL_SCHEMES, install
+from distutils.core import Distribution
+from distutils.errors import DistutilsOptionError
+from distutils.extension import Extension
+from distutils.tests import missing_compiler_executable, support
+from distutils.util import is_mingw
+
+import pytest
+
+
+def _make_ext_name(modname):
+    return modname + sysconfig.get_config_var('EXT_SUFFIX')
+
+
+@support.combine_markers
+@pytest.mark.usefixtures('save_env')
+class TestInstall(
+    support.TempdirManager,
+):
+    @pytest.mark.xfail(
+        'platform.system() == "Windows" and sys.version_info > (3, 11)',
+        reason="pypa/distutils#148",
+    )
+    def test_home_installation_scheme(self):
+        # This ensure two things:
+        # - that --home generates the desired set of directory names
+        # - test --home is supported on all platforms
+        builddir = self.mkdtemp()
+        destination = os.path.join(builddir, "installation")
+
+        dist = Distribution({"name": "foopkg"})
+        # script_name need not exist, it just need to be initialized
+        dist.script_name = os.path.join(builddir, "setup.py")
+        dist.command_obj["build"] = support.DummyCommand(
+            build_base=builddir,
+            build_lib=os.path.join(builddir, "lib"),
+        )
+
+        cmd = install(dist)
+        cmd.home = destination
+        cmd.ensure_finalized()
+
+        assert cmd.install_base == destination
+        assert cmd.install_platbase == destination
+
+        def check_path(got, expected):
+            got = os.path.normpath(got)
+            expected = os.path.normpath(expected)
+            assert got == expected
+
+        impl_name = sys.implementation.name.replace("cpython", "python")
+        libdir = os.path.join(destination, "lib", impl_name)
+        check_path(cmd.install_lib, libdir)
+        _platlibdir = getattr(sys, "platlibdir", "lib")
+        platlibdir = os.path.join(destination, _platlibdir, impl_name)
+        check_path(cmd.install_platlib, platlibdir)
+        check_path(cmd.install_purelib, libdir)
+        check_path(
+            cmd.install_headers,
+            os.path.join(destination, "include", impl_name, "foopkg"),
+        )
+        check_path(cmd.install_scripts, os.path.join(destination, "bin"))
+        check_path(cmd.install_data, destination)
+
+    def test_user_site(self, monkeypatch):
+        # test install with --user
+        # preparing the environment for the test
+        self.tmpdir = self.mkdtemp()
+        orig_site = site.USER_SITE
+        orig_base = site.USER_BASE
+        monkeypatch.setattr(site, 'USER_BASE', os.path.join(self.tmpdir, 'B'))
+        monkeypatch.setattr(site, 'USER_SITE', os.path.join(self.tmpdir, 'S'))
+        monkeypatch.setattr(install_module, 'USER_BASE', site.USER_BASE)
+        monkeypatch.setattr(install_module, 'USER_SITE', site.USER_SITE)
+
+        def _expanduser(path):
+            if path.startswith('~'):
+                return os.path.normpath(self.tmpdir + path[1:])
+            return path
+
+        monkeypatch.setattr(os.path, 'expanduser', _expanduser)
+
+        for key in ('nt_user', 'posix_user'):
+            assert key in INSTALL_SCHEMES
+
+        dist = Distribution({'name': 'xx'})
+        cmd = install(dist)
+
+        # making sure the user option is there
+        options = [name for name, short, label in cmd.user_options]
+        assert 'user' in options
+
+        # setting a value
+        cmd.user = True
+
+        # user base and site shouldn't be created yet
+        assert not os.path.exists(site.USER_BASE)
+        assert not os.path.exists(site.USER_SITE)
+
+        # let's run finalize
+        cmd.ensure_finalized()
+
+        # now they should
+        assert os.path.exists(site.USER_BASE)
+        assert os.path.exists(site.USER_SITE)
+
+        assert 'userbase' in cmd.config_vars
+        assert 'usersite' in cmd.config_vars
+
+        actual_headers = os.path.relpath(cmd.install_headers, site.USER_BASE)
+        if os.name == 'nt' and not is_mingw():
+            site_path = os.path.relpath(os.path.dirname(orig_site), orig_base)
+            include = os.path.join(site_path, 'Include')
+        else:
+            include = sysconfig.get_python_inc(0, '')
+        expect_headers = os.path.join(include, 'xx')
+
+        assert os.path.normcase(actual_headers) == os.path.normcase(expect_headers)
+
+    def test_handle_extra_path(self):
+        dist = Distribution({'name': 'xx', 'extra_path': 'path,dirs'})
+        cmd = install(dist)
+
+        # two elements
+        cmd.handle_extra_path()
+        assert cmd.extra_path == ['path', 'dirs']
+        assert cmd.extra_dirs == 'dirs'
+        assert cmd.path_file == 'path'
+
+        # one element
+        cmd.extra_path = ['path']
+        cmd.handle_extra_path()
+        assert cmd.extra_path == ['path']
+        assert cmd.extra_dirs == 'path'
+        assert cmd.path_file == 'path'
+
+        # none
+        dist.extra_path = cmd.extra_path = None
+        cmd.handle_extra_path()
+        assert cmd.extra_path is None
+        assert cmd.extra_dirs == ''
+        assert cmd.path_file is None
+
+        # three elements (no way !)
+        cmd.extra_path = 'path,dirs,again'
+        with pytest.raises(DistutilsOptionError):
+            cmd.handle_extra_path()
+
+    def test_finalize_options(self):
+        dist = Distribution({'name': 'xx'})
+        cmd = install(dist)
+
+        # must supply either prefix/exec-prefix/home or
+        # install-base/install-platbase -- not both
+        cmd.prefix = 'prefix'
+        cmd.install_base = 'base'
+        with pytest.raises(DistutilsOptionError):
+            cmd.finalize_options()
+
+        # must supply either home or prefix/exec-prefix -- not both
+        cmd.install_base = None
+        cmd.home = 'home'
+        with pytest.raises(DistutilsOptionError):
+            cmd.finalize_options()
+
+        # can't combine user with prefix/exec_prefix/home or
+        # install_(plat)base
+        cmd.prefix = None
+        cmd.user = 'user'
+        with pytest.raises(DistutilsOptionError):
+            cmd.finalize_options()
+
+    def test_record(self):
+        install_dir = self.mkdtemp()
+        project_dir, dist = self.create_dist(py_modules=['hello'], scripts=['sayhi'])
+        os.chdir(project_dir)
+        self.write_file('hello.py', "def main(): print('o hai')")
+        self.write_file('sayhi', 'from hello import main; main()')
+
+        cmd = install(dist)
+        dist.command_obj['install'] = cmd
+        cmd.root = install_dir
+        cmd.record = os.path.join(project_dir, 'filelist')
+        cmd.ensure_finalized()
+        cmd.run()
+
+        content = pathlib.Path(cmd.record).read_text(encoding='utf-8')
+
+        found = [pathlib.Path(line).name for line in content.splitlines()]
+        expected = [
+            'hello.py',
+            f'hello.{sys.implementation.cache_tag}.pyc',
+            'sayhi',
+            'UNKNOWN-0.0.0-py{}.{}.egg-info'.format(*sys.version_info[:2]),
+        ]
+        assert found == expected
+
+    def test_record_extensions(self):
+        cmd = missing_compiler_executable()
+        if cmd is not None:
+            pytest.skip(f'The {cmd!r} command is not found')
+        install_dir = self.mkdtemp()
+        project_dir, dist = self.create_dist(
+            ext_modules=[Extension('xx', ['xxmodule.c'])]
+        )
+        os.chdir(project_dir)
+        support.copy_xxmodule_c(project_dir)
+
+        buildextcmd = build_ext(dist)
+        support.fixup_build_ext(buildextcmd)
+        buildextcmd.ensure_finalized()
+
+        cmd = install(dist)
+        dist.command_obj['install'] = cmd
+        dist.command_obj['build_ext'] = buildextcmd
+        cmd.root = install_dir
+        cmd.record = os.path.join(project_dir, 'filelist')
+        cmd.ensure_finalized()
+        cmd.run()
+
+        content = pathlib.Path(cmd.record).read_text(encoding='utf-8')
+
+        found = [pathlib.Path(line).name for line in content.splitlines()]
+        expected = [
+            _make_ext_name('xx'),
+            'UNKNOWN-0.0.0-py{}.{}.egg-info'.format(*sys.version_info[:2]),
+        ]
+        assert found == expected
+
+    def test_debug_mode(self, caplog, monkeypatch):
+        # this covers the code called when DEBUG is set
+        monkeypatch.setattr(install_module, 'DEBUG', True)
+        caplog.set_level(logging.DEBUG)
+        self.test_record()
+        assert any(rec for rec in caplog.records if rec.levelno == logging.DEBUG)

python/Lib/site-packages/setuptools/_distutils/tests/test_install_data.py

@@ -0,0 +1,74 @@
+"""Tests for distutils.command.install_data."""
+
+import os
+import pathlib
+from distutils.command.install_data import install_data
+from distutils.tests import support
+
+import pytest
+
+
+@pytest.mark.usefixtures('save_env')
+class TestInstallData(
+    support.TempdirManager,
+):
+    def test_simple_run(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = install_data(dist)
+        cmd.install_dir = inst = os.path.join(pkg_dir, 'inst')
+
+        # data_files can contain
+        #  - simple files
+        #  - a Path object
+        #  - a tuple with a path, and a list of file
+        one = os.path.join(pkg_dir, 'one')
+        self.write_file(one, 'xxx')
+        inst2 = os.path.join(pkg_dir, 'inst2')
+        two = os.path.join(pkg_dir, 'two')
+        self.write_file(two, 'xxx')
+        three = pathlib.Path(pkg_dir) / 'three'
+        self.write_file(three, 'xxx')
+
+        cmd.data_files = [one, (inst2, [two]), three]
+        assert cmd.get_inputs() == [one, (inst2, [two]), three]
+
+        # let's run the command
+        cmd.ensure_finalized()
+        cmd.run()
+
+        # let's check the result
+        assert len(cmd.get_outputs()) == 3
+        rthree = os.path.split(one)[-1]
+        assert os.path.exists(os.path.join(inst, rthree))
+        rtwo = os.path.split(two)[-1]
+        assert os.path.exists(os.path.join(inst2, rtwo))
+        rone = os.path.split(one)[-1]
+        assert os.path.exists(os.path.join(inst, rone))
+        cmd.outfiles = []
+
+        # let's try with warn_dir one
+        cmd.warn_dir = True
+        cmd.ensure_finalized()
+        cmd.run()
+
+        # let's check the result
+        assert len(cmd.get_outputs()) == 3
+        assert os.path.exists(os.path.join(inst, rthree))
+        assert os.path.exists(os.path.join(inst2, rtwo))
+        assert os.path.exists(os.path.join(inst, rone))
+        cmd.outfiles = []
+
+        # now using root and empty dir
+        cmd.root = os.path.join(pkg_dir, 'root')
+        inst5 = os.path.join(pkg_dir, 'inst5')
+        four = os.path.join(cmd.install_dir, 'four')
+        self.write_file(four, 'xx')
+        cmd.data_files = [one, (inst2, [two]), three, ('inst5', [four]), (inst5, [])]
+        cmd.ensure_finalized()
+        cmd.run()
+
+        # let's check the result
+        assert len(cmd.get_outputs()) == 5
+        assert os.path.exists(os.path.join(inst, rthree))
+        assert os.path.exists(os.path.join(inst2, rtwo))
+        assert os.path.exists(os.path.join(inst, rone))

python/Lib/site-packages/setuptools/_distutils/tests/test_install_headers.py

@@ -0,0 +1,33 @@
+"""Tests for distutils.command.install_headers."""
+
+import os
+from distutils.command.install_headers import install_headers
+from distutils.tests import support
+
+import pytest
+
+
+@pytest.mark.usefixtures('save_env')
+class TestInstallHeaders(
+    support.TempdirManager,
+):
+    def test_simple_run(self):
+        # we have two headers
+        header_list = self.mkdtemp()
+        header1 = os.path.join(header_list, 'header1')
+        header2 = os.path.join(header_list, 'header2')
+        self.write_file(header1)
+        self.write_file(header2)
+        headers = [header1, header2]
+
+        pkg_dir, dist = self.create_dist(headers=headers)
+        cmd = install_headers(dist)
+        assert cmd.get_inputs() == headers
+
+        # let's run the command
+        cmd.install_dir = os.path.join(pkg_dir, 'inst')
+        cmd.ensure_finalized()
+        cmd.run()
+
+        # let's check the results
+        assert len(cmd.get_outputs()) == 2