def run(self, options, args):
# type: (Values, List[Any]) -> int
cmdoptions.check_install_build_global(options)
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
cmdoptions.check_dist_restriction(options, check_target=True)
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
if options.prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations")
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv.")
install_options.append('--user')
install_options.append('--prefix=')
target_temp_dir = None # type: Optional[TempDirectory]
target_temp_dir_path = None # type: Optional[str]
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (os.path.exists(options.target_dir)
and not os.path.isdir(options.target_dir)):
raise CommandError(
"Target path exists but is not a directory, will not "
"continue.")
# Create a target directory for using with the target option
target_temp_dir = TempDirectory(kind="target")
target_temp_dir_path = target_temp_dir.path
install_options.append('--home=' + target_temp_dir_path)
global_options = options.global_options or []
session = self.get_default_session(options)
target_python = make_target_python(options)
finder = self._build_package_finder(
options=options,
session=session,
target_python=target_python,
ignore_requires_python=options.ignore_requires_python,
)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete,
kind="install") as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
check_supported_wheels=not options.target_dir,
)
try:
self.populate_requirement_set(requirement_set, args, options,
finder, session, wheel_cache)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
req_tracker=req_tracker,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
session=session,
options=options,
wheel_cache=wheel_cache,
use_user_site=options.use_user_site,
ignore_installed=options.ignore_installed,
ignore_requires_python=options.ignore_requires_python,
force_reinstall=options.force_reinstall,
upgrade_strategy=upgrade_strategy,
use_pep517=options.use_pep517,
)
resolver.resolve(requirement_set)
try:
pip_req = requirement_set.get_requirement("pip")
except KeyError:
modifying_pip = None
else:
# If we're not replacing an already installed pip,
# we're not modifying it.
modifying_pip = pip_req.satisfied_by is None
protect_pip_from_modification_on_windows(
modifying_pip=modifying_pip)
check_binary_allowed = get_check_binary_allowed(
finder.format_control)
# Consider legacy and PEP517-using requirements separately
legacy_requirements = []
pep517_requirements = []
for req in requirement_set.requirements.values():
if req.use_pep517:
pep517_requirements.append(req)
else:
legacy_requirements.append(req)
wheel_builder = WheelBuilder(
preparer,
wheel_cache,
build_options=[],
global_options=[],
check_binary_allowed=check_binary_allowed,
)
build_failures = build_wheels(
builder=wheel_builder,
pep517_requirements=pep517_requirements,
legacy_requirements=legacy_requirements,
)
# If we're using PEP 517, we cannot do a direct install
# so we fail here.
if build_failures:
raise InstallationError(
"Could not build wheels for {} which use"
" PEP 517 and cannot be installed directly".format(
", ".join(r.name for r in build_failures)))
to_install = resolver.get_installation_order(requirement_set)
# Consistency Checking of the package set we're installing.
should_warn_about_conflicts = (not options.ignore_dependencies
and
options.warn_about_conflicts)
if should_warn_about_conflicts:
self._warn_about_conflicts(to_install)
# Don't warn about script install locations if
# --target has been specified
warn_script_location = options.warn_script_location
if options.target_dir:
warn_script_location = False
installed = install_given_reqs(
to_install,
install_options,
global_options,
root=options.root_path,
home=target_temp_dir_path,
prefix=options.prefix_path,
pycompile=options.compile,
warn_script_location=warn_script_location,
use_user_site=options.use_user_site,
)
lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir_path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
working_set = pkg_resources.WorkingSet(lib_locations)
reqs = sorted(installed, key=operator.attrgetter('name'))
items = []
for req in reqs:
item = req.name
try:
installed_version = get_installed_version(
req.name, working_set=working_set)
if installed_version:
item += '-' + installed_version
except Exception:
pass
items.append(item)
installed_desc = ' '.join(items)
if installed_desc:
write_output(
'Successfully installed %s',
installed_desc,
)
except EnvironmentError as error:
show_traceback = (self.verbosity >= 1)
message = create_env_error_message(
error,
show_traceback,
options.use_user_site,
)
logger.error(message, exc_info=show_traceback)
return ERROR
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()
if options.target_dir:
self._handle_target_dir(options.target_dir, target_temp_dir,
options.upgrade)
return SUCCESS
def run(self, options, args):
cmdoptions.check_install_build_global(options)
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
cmdoptions.check_dist_restriction(options, check_target=True)
if options.python_version:
python_versions = [options.python_version]
else:
python_versions = None
# compute install location defaults
if (not options.use_user_site and not options.prefix_path and not
options.target_dir and not options.use_system_location):
if not running_under_virtualenv() and os.geteuid() != 0:
options.use_user_site = True
if options.use_system_location:
options.use_user_site = False
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
if options.prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations"
)
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv."
)
install_options.append('--user')
install_options.append('--prefix=')
target_temp_dir = TempDirectory(kind="target")
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (os.path.exists(options.target_dir) and not
os.path.isdir(options.target_dir)):
raise CommandError(
"Target path exists but is not a directory, will not "
"continue."
)
# Create a target directory for using with the target option
target_temp_dir.create()
install_options.append('--home=' + target_temp_dir.path)
global_options = options.global_options or []
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
platform=options.platform,
python_versions=python_versions,
abi=options.abi,
implementation=options.implementation,
)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete, kind="install"
) as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
check_supported_wheels=not options.target_dir,
)
try:
self.populate_requirement_set(
requirement_set, args, options, finder, session,
self.name, wheel_cache
)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=None,
wheel_download_dir=None,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=wheel_cache,
use_user_site=options.use_user_site,
upgrade_strategy=upgrade_strategy,
force_reinstall=options.force_reinstall,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
ignore_installed=options.ignore_installed,
isolated=options.isolated_mode,
)
resolver.resolve(requirement_set)
protect_pip_from_modification_on_windows(
modifying_pip=requirement_set.has_requirement("pip")
)
# If caching is disabled or wheel is not installed don't
# try to build wheels.
if wheel and options.cache_dir:
# build wheels before install.
wb = WheelBuilder(
finder, preparer, wheel_cache,
build_options=[], global_options=[],
)
# Ignore the result: a failed wheel will be
# installed from the sdist/vcs whatever.
wb.build(
requirement_set.requirements.values(),
session=session, autobuilding=True
)
to_install = resolver.get_installation_order(
requirement_set
)
# Consistency Checking of the package set we're installing.
should_warn_about_conflicts = (
not options.ignore_dependencies and
options.warn_about_conflicts
)
if should_warn_about_conflicts:
self._warn_about_conflicts(to_install)
# Don't warn about script install locations if
# --target has been specified
warn_script_location = options.warn_script_location
if options.target_dir:
warn_script_location = False
installed = install_given_reqs(
to_install,
install_options,
global_options,
root=options.root_path,
home=target_temp_dir.path,
prefix=options.prefix_path,
pycompile=options.compile,
warn_script_location=warn_script_location,
use_user_site=options.use_user_site,
)
lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir.path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
working_set = pkg_resources.WorkingSet(lib_locations)
reqs = sorted(installed, key=operator.attrgetter('name'))
items = []
for req in reqs:
item = req.release
try:
installed_version = get_installed_version(
req.release, working_set=working_set
)
if installed_version:
item += '-' + installed_version
except Exception:
pass
items.append(item)
installed = ' '.join(items)
if installed:
logger.info('Successfully installed %s', installed)
except EnvironmentError as error:
show_traceback = (self.verbosity >= 1)
message = create_env_error_message(
error, show_traceback, options.use_user_site,
)
logger.error(message, exc_info=show_traceback)
return ERROR
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()
if options.target_dir:
self._handle_target_dir(
options.target_dir, target_temp_dir, options.upgrade
)
return requirement_set
def run(self, options, args):
cmdoptions.check_install_build_global(options)
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.debug('Ignoring indexes: %s', ','.join(index_urls))
index_urls = []
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
with self._build_session(options) as session:
finder = self._build_package_finder(options, session)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete,
kind="wheel") as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes, )
try:
self.populate_requirement_set(requirement_set, args,
options, finder, session,
self.name, wheel_cache)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=None,
wheel_download_dir=options.wheel_dir,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=wheel_cache,
use_user_site=False,
upgrade_strategy="to-satisfy-only",
force_reinstall=False,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
ignore_installed=True,
isolated=options.isolated_mode,
use_pep517=options.use_pep517)
resolver.resolve(requirement_set)
# build wheels
wb = WheelBuilder(
finder,
preparer,
wheel_cache,
build_options=options.build_options or [],
global_options=options.global_options or [],
no_clean=options.no_clean,
)
build_failures = wb.build(
requirement_set.requirements.values(),
session=session,
)
if len(build_failures) != 0:
raise CommandError(
"Failed to build one or more wheels")
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()
def run(self, options, args):
options.ignore_installed = True
# editable doesn't really make sense for `pip download`, but the bowels
# of the RequirementSet code require that property.
options.editables = []
cmdoptions.check_dist_restriction(options)
options.src_dir = os.path.abspath(options.src_dir)
options.download_dir = normalize_path(options.download_dir)
ensure_dir(options.download_dir)
session = self.get_default_session(options)
target_python = make_target_python(options)
finder = self._build_package_finder(
options=options,
session=session,
target_python=target_python,
)
build_delete = (not (options.no_clean or options.build_dir))
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete,
kind="download") as directory:
requirement_set = RequirementSet()
self.populate_requirement_set(requirement_set, args, options,
finder, session, None)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
req_tracker=req_tracker,
session=session,
download_dir=options.download_dir,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
options=options,
py_version_info=options.python_version,
)
resolver.resolve(requirement_set)
downloaded = ' '.join(
[req.name for req in requirement_set.successfully_downloaded])
if downloaded:
write_output('Successfully downloaded %s', downloaded)
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
return requirement_set
def run(self, options, args):
options.ignore_installed = True
# editable doesn't really make sense for `pip download`, but the bowels
# of the RequirementSet code require that property.
options.editables = []
if options.python_version:
python_versions = [options.python_version]
else:
python_versions = None
cmdoptions.check_dist_restriction(options)
options.src_dir = os.path.abspath(options.src_dir)
options.download_dir = normalize_path(options.download_dir)
ensure_dir(options.download_dir)
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
platform=options.platform,
python_versions=python_versions,
abi=options.abi,
implementation=options.implementation,
)
build_delete = not (options.no_clean or options.build_dir)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete, kind="download"
) as directory:
requirement_set = RequirementSet(require_hashes=options.require_hashes)
self.populate_requirement_set(
requirement_set, args, options, finder, session, self.name, None
)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=options.download_dir,
wheel_download_dir=None,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=None,
use_user_site=False,
upgrade_strategy="to-satisfy-only",
force_reinstall=False,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=False,
ignore_installed=True,
isolated=options.isolated_mode,
)
resolver.resolve(requirement_set)
downloaded = " ".join(
[req.name for req in requirement_set.successfully_downloaded]
)
if downloaded:
logger.info("Successfully downloaded %s", downloaded)
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
return requirement_set
def run(self, options, args):
# type: (Values, List[Any]) -> None
cmdoptions.check_install_build_global(options)
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
session = self.get_default_session(options)
finder = self._build_package_finder(options, session)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete,
kind="wheel") as directory:
requirement_set = RequirementSet()
try:
self.populate_requirement_set(requirement_set, args, options,
finder, session, wheel_cache)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
req_tracker=req_tracker,
session=session,
wheel_download_dir=options.wheel_dir,
)
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,
)
resolver.resolve(requirement_set)
# build wheels
wb = WheelBuilder(
preparer,
wheel_cache,
build_options=options.build_options or [],
global_options=options.global_options or [],
no_clean=options.no_clean,
path_to_wheelnames=options.path_to_wheelnames)
build_failures = wb.build(
requirement_set.requirements.values(), )
self.save_wheelnames(
[
req.link.filename
for req in requirement_set.successfully_downloaded
if req.link is not None
],
wb.path_to_wheelnames,
wb.wheel_filenames,
)
if len(build_failures) != 0:
raise CommandError("Failed to build one or more wheels")
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()
def run(self, options, args):
cmdoptions.check_install_build_global(options)
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
cmdoptions.check_dist_restriction(options, check_target=True)
if options.python_version:
python_versions = [options.python_version]
else:
python_versions = None
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
if options.prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations")
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv.")
install_options.append("--user")
install_options.append("--prefix=")
target_temp_dir = TempDirectory(kind="target")
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if os.path.exists(options.target_dir) and not os.path.isdir(
options.target_dir):
raise CommandError(
"Target path exists but is not a directory, will not "
"continue.")
# Create a target directory for using with the target option
target_temp_dir.create()
install_options.append("--home=" + target_temp_dir.path)
global_options = options.global_options or []
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
platform=options.platform,
python_versions=python_versions,
abi=options.abi,
implementation=options.implementation,
)
build_delete = not (options.no_clean or options.build_dir)
wheel_cache = WheelCache(options.cache_dir, options.format_control)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete,
kind="install") as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
check_supported_wheels=not options.target_dir,
)
try:
self.populate_requirement_set(requirement_set, args,
options, finder, session,
self.name, wheel_cache)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=None,
wheel_download_dir=None,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=wheel_cache,
use_user_site=options.use_user_site,
upgrade_strategy=upgrade_strategy,
force_reinstall=options.force_reinstall,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
ignore_installed=options.ignore_installed,
isolated=options.isolated_mode,
use_pep517=options.use_pep517,
)
resolver.resolve(requirement_set)
protect_pip_from_modification_on_windows(
modifying_pip=requirement_set.has_requirement("pip"))
# Consider legacy and PEP517-using requirements separately
legacy_requirements = []
pep517_requirements = []
for req in requirement_set.requirements.values():
if req.use_pep517:
pep517_requirements.append(req)
else:
legacy_requirements.append(req)
# We don't build wheels for legacy requirements if we
# don't have wheel installed or we don't have a cache dir
try:
import wheel # noqa: F401
build_legacy = bool(options.cache_dir)
except ImportError:
build_legacy = False
wb = WheelBuilder(finder,
preparer,
wheel_cache,
build_options=[],
global_options=[])
# Always build PEP 517 requirements
build_failures = wb.build(pep517_requirements,
session=session,
autobuilding=True)
if build_legacy:
# We don't care about failures building legacy
# requirements, as we'll fall through to a direct
# install for those.
wb.build(legacy_requirements,
session=session,
autobuilding=True)
# If we're using PEP 517, we cannot do a direct install
# so we fail here.
if build_failures:
raise InstallationError(
"Could not build wheels for {} which use"
" PEP 517 and cannot be installed directly".format(
", ".join(r.name for r in build_failures)))
to_install = resolver.get_installation_order(
requirement_set)
# Consistency Checking of the package set we're installing.
should_warn_about_conflicts = (
not options.ignore_dependencies
and options.warn_about_conflicts)
if should_warn_about_conflicts:
self._warn_about_conflicts(to_install)
# Don't warn about script install locations if
# --target has been specified
warn_script_location = options.warn_script_location
if options.target_dir:
warn_script_location = False
installed = install_given_reqs(
to_install,
install_options,
global_options,
root=options.root_path,
home=target_temp_dir.path,
prefix=options.prefix_path,
pycompile=options.compile,
warn_script_location=warn_script_location,
use_user_site=options.use_user_site,
)
lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir.path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
working_set = pkg_resources.WorkingSet(lib_locations)
reqs = sorted(installed, key=operator.attrgetter("name"))
items = []
for req in reqs:
item = req.name
try:
installed_version = get_installed_version(
req.name, working_set=working_set)
if installed_version:
item += "-" + installed_version
except Exception:
pass
items.append(item)
installed = " ".join(items)
if installed:
logger.info("Successfully installed %s", installed)
except EnvironmentError as error:
show_traceback = self.verbosity >= 1
message = create_env_error_message(error, show_traceback,
options.use_user_site)
logger.error(message, exc_info=show_traceback)
return ERROR
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()
if options.target_dir:
self._handle_target_dir(options.target_dir, target_temp_dir,
options.upgrade)
return requirement_set
