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import loggingimport os
 import shutil
 from optparse import Values
 from typing import List
 
 from pip._internal.cache import WheelCache
 from pip._internal.cli import cmdoptions
 from pip._internal.cli.req_command import RequirementCommand, with_cleanup
 from pip._internal.cli.status_codes import SUCCESS
 from pip._internal.exceptions import CommandError
 from pip._internal.req.req_install import InstallRequirement
 from pip._internal.req.req_tracker import get_requirement_tracker
 from pip._internal.utils.misc import ensure_dir, normalize_path
 from pip._internal.utils.temp_dir import TempDirectory
 from pip._internal.wheel_builder import build, should_build_for_wheel_command
 
 logger = logging.getLogger(__name__)
 
 
 class WheelCommand(RequirementCommand):
 """
 Build Wheel archives for your requirements and dependencies.
 
 Wheel is a built-package format, and offers the advantage of not
 recompiling your software during every install. For more details, see the
 wheel docs: https://wheel.readthedocs.io/en/latest/
 
 Requirements: setuptools>=0.8, and wheel.
 
 'pip wheel' uses the bdist_wheel setuptools extension from the wheel
 package to build individual wheels.
 
 """
 
 usage = """
 %prog [options] <requirement specifier> ...
 %prog [options] -r <requirements file> ...
 %prog [options] [-e] <vcs project url> ...
 %prog [options] [-e] <local project path> ...
 %prog [options] <archive url/path> ..."""
 
 def add_options(self) -> None:
 
 self.cmd_opts.add_option(
 "-w",
 "--wheel-dir",
 dest="wheel_dir",
 metavar="dir",
 default=os.curdir,
 help=(
 "Build wheels into <dir>, where the default is the "
 "current working directory."
 ),
 )
 self.cmd_opts.add_option(cmdoptions.no_binary())
 self.cmd_opts.add_option(cmdoptions.only_binary())
 self.cmd_opts.add_option(cmdoptions.prefer_binary())
 self.cmd_opts.add_option(cmdoptions.no_build_isolation())
 self.cmd_opts.add_option(cmdoptions.use_pep517())
 self.cmd_opts.add_option(cmdoptions.no_use_pep517())
 self.cmd_opts.add_option(cmdoptions.constraints())
 self.cmd_opts.add_option(cmdoptions.editable())
 self.cmd_opts.add_option(cmdoptions.requirements())
 self.cmd_opts.add_option(cmdoptions.src())
 self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
 self.cmd_opts.add_option(cmdoptions.no_deps())
 self.cmd_opts.add_option(cmdoptions.progress_bar())
 
 self.cmd_opts.add_option(
 "--no-verify",
 dest="no_verify",
 action="store_true",
 default=False,
 help="Don't verify if built wheel is valid.",
 )
 
 self.cmd_opts.add_option(cmdoptions.build_options())
 self.cmd_opts.add_option(cmdoptions.global_options())
 
 self.cmd_opts.add_option(
 "--pre",
 action="store_true",
 default=False,
 help=(
 "Include pre-release and development versions. By default, "
 "pip only finds stable versions."
 ),
 )
 
 self.cmd_opts.add_option(cmdoptions.require_hashes())
 
 index_opts = cmdoptions.make_option_group(
 cmdoptions.index_group,
 self.parser,
 )
 
 self.parser.insert_option_group(0, index_opts)
 self.parser.insert_option_group(0, self.cmd_opts)
 
 @with_cleanup
 def run(self, options: Values, args: List[str]) -> int:
 cmdoptions.check_install_build_global(options)
 
 session = self.get_default_session(options)
 
 finder = self._build_package_finder(options, session)
 wheel_cache = WheelCache(options.cache_dir, options.format_control)
 
 options.wheel_dir = normalize_path(options.wheel_dir)
 ensure_dir(options.wheel_dir)
 
 req_tracker = self.enter_context(get_requirement_tracker())
 
 directory = TempDirectory(
 delete=not options.no_clean,
 kind="wheel",
 globally_managed=True,
 )
 
 reqs = self.get_requirements(args, options, finder, session)
 
 preparer = self.make_requirement_preparer(
 temp_build_dir=directory,
 options=options,
 req_tracker=req_tracker,
 session=session,
 finder=finder,
 download_dir=options.wheel_dir,
 use_user_site=False,
 )
 
 resolver = self.make_resolver(
 preparer=preparer,
 finder=finder,
 options=options,
 wheel_cache=wheel_cache,
 ignore_requires_python=options.ignore_requires_python,
 use_pep517=options.use_pep517,
 )
 
 self.trace_basic_info(finder)
 
 requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
 
 reqs_to_build: List[InstallRequirement] = []
 for req in requirement_set.requirements.values():
 if req.is_wheel:
 preparer.save_linked_requirement(req)
 elif should_build_for_wheel_command(req):
 reqs_to_build.append(req)
 
 # build wheels
 build_successes, build_failures = build(
 reqs_to_build,
 wheel_cache=wheel_cache,
 verify=(not options.no_verify),
 build_options=options.build_options or [],
 global_options=options.global_options or [],
 )
 for req in build_successes:
 assert req.link and req.link.is_wheel
 assert req.local_file_path
 # copy from cache to target directory
 try:
 shutil.copy(req.local_file_path, options.wheel_dir)
 except OSError as e:
 logger.warning(
 "Building wheel for %s failed: %s",
 req.name,
 e,
 )
 build_failures.append(req)
 if len(build_failures) != 0:
 raise CommandError("Failed to build one or more wheels")
 
 return SUCCESS
 
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