def _get_prepared_distribution(
req: InstallRequirement,
req_tracker: RequirementTracker,
finder: PackageFinder,
build_isolation: bool,
) -> BaseDistribution:
"""Prepare a distribution for installation."""
abstract_dist = make_distribution_for_install_requirement(req)
with req_tracker.track(req):
abstract_dist.prepare_distribution_metadata(finder, build_isolation)
return abstract_dist.get_metadata_distribution()
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
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(
require_hashes=options.require_hashes,
)
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,
download_dir=options.download_dir,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
session=session,
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 resolve_reqs(self, download_dir, ireq, wheel_cache):
results = None
ireq.isolated = False
ireq._wheel_cache = wheel_cache
try:
from pipenv.patched.notpip._internal.operations.prepare import RequirementPreparer
except ImportError:
# Pip 9 and below
reqset = RequirementSet(
self.build_dir,
self.source_dir,
download_dir=download_dir,
wheel_download_dir=self._wheel_download_dir,
session=self.session,
ignore_installed=True,
ignore_compatibility=False,
wheel_cache=wheel_cache
)
results = reqset._prepare_file(self.finder, ireq, ignore_requires_python=True)
else:
# pip >= 10
preparer_kwargs = {
'build_dir': self.build_dir,
'src_dir': self.source_dir,
'download_dir': download_dir,
'wheel_download_dir': self._wheel_download_dir,
'progress_bar': 'off',
'build_isolation': False,
}
resolver_kwargs = {
'finder': self.finder,
'session': self.session,
'upgrade_strategy': "to-satisfy-only",
'force_reinstall': False,
'ignore_dependencies': False,
'ignore_requires_python': True,
'ignore_installed': True,
'ignore_compatibility': False,
'isolated': False,
'wheel_cache': wheel_cache,
'use_user_site': False
}
resolver = None
preparer = None
with RequirementTracker() as req_tracker:
# Pip 18 uses a requirement tracker to prevent fork bombs
if req_tracker:
preparer_kwargs['req_tracker'] = req_tracker
preparer = RequirementPreparer(**preparer_kwargs)
resolver_kwargs['preparer'] = preparer
reqset = RequirementSet()
ireq.is_direct = True
# reqset.add_requirement(ireq)
resolver = pip_shims.shims.Resolver(**resolver_kwargs)
resolver.require_hashes = False
results = resolver._resolve_one(reqset, ireq)
cleanup_fn = getattr(reqset, "cleanup_files", None)
if cleanup_fn is not None:
try:
cleanup_fn()
except OSError:
pass
results = set(results) if results else set()
return results, ireq
def resolve_reqs(self,
download_dir,
ireq,
wheel_cache,
setup_requires={},
dist=None):
results = None
setup_requires = {}
dist = None
ireq.isolated = False
ireq._wheel_cache = wheel_cache
try:
from pipenv.patched.notpip._internal.operations.prepare import RequirementPreparer
except ImportError:
# Pip 9 and below
reqset = RequirementSet(
self.build_dir,
self.source_dir,
download_dir=download_dir,
wheel_download_dir=self._wheel_download_dir,
session=self.session,
ignore_installed=True,
ignore_compatibility=False,
wheel_cache=wheel_cache)
results = reqset._prepare_file(self.finder,
ireq,
ignore_requires_python=True)
else:
# pip >= 10
preparer_kwargs = {
'build_dir': self.build_dir,
'src_dir': self.source_dir,
'download_dir': download_dir,
'wheel_download_dir': self._wheel_download_dir,
'progress_bar': 'off',
'build_isolation': False
}
resolver_kwargs = {
'finder': self.finder,
'session': self.session,
'upgrade_strategy': "to-satisfy-only",
'force_reinstall': True,
'ignore_dependencies': False,
'ignore_requires_python': True,
'ignore_installed': True,
'isolated': False,
'wheel_cache': wheel_cache,
'use_user_site': False,
'ignore_compatibility': False
}
resolver = None
preparer = None
with RequirementTracker() as req_tracker:
# Pip 18 uses a requirement tracker to prevent fork bombs
if req_tracker:
preparer_kwargs['req_tracker'] = req_tracker
preparer = RequirementPreparer(**preparer_kwargs)
resolver_kwargs['preparer'] = preparer
reqset = RequirementSet()
ireq.is_direct = True
# reqset.add_requirement(ireq)
resolver = PipResolver(**resolver_kwargs)
resolver.require_hashes = False
results = resolver._resolve_one(reqset, ireq)
cleanup_fn = getattr(reqset, "cleanup_files", None)
if cleanup_fn is not None:
try:
cleanup_fn()
except OSError:
pass
if ireq.editable and (not ireq.source_dir
or not os.path.exists(ireq.source_dir)):
if ireq.editable:
self._source_dir = TemporaryDirectory(fs_str("source"))
ireq.ensure_has_source_dir(self.source_dir)
if ireq.editable and (ireq.source_dir
and os.path.exists(ireq.source_dir)):
# Collect setup_requires info from local eggs.
# Do this after we call the preparer on these reqs to make sure their
# egg info has been created
from pipenv.utils import chdir
with chdir(ireq.setup_py_dir):
try:
from setuptools.dist import distutils
dist = distutils.core.run_setup(ireq.setup_py)
except InstallationError:
ireq.run_egg_info()
except (TypeError, ValueError, AttributeError):
pass
if not dist:
try:
dist = ireq.get_dist()
except (ImportError, ValueError, TypeError,
AttributeError):
pass
if ireq.editable and dist:
setup_requires = getattr(dist, "extras_require", None)
if not setup_requires:
setup_requires = {
"setup_requires": getattr(dist, "setup_requires", None)
}
if not getattr(ireq, 'req', None):
try:
ireq.req = dist.as_requirement() if dist else None
except (ValueError, TypeError) as e:
pass
# Convert setup_requires dict into a somewhat usable form.
if setup_requires:
for section in setup_requires:
python_version = section
not_python = not (section.startswith('[')
and ':' in section)
# This is for cleaning up :extras: formatted markers
# by adding them to the results of the resolver
# since any such extra would have been returned as a result anyway
for value in setup_requires[section]:
# This is a marker.
if value.startswith('[') and ':' in value:
python_version = value[1:-1]
not_python = False
# Strip out other extras.
if value.startswith('[') and ':' not in value:
not_python = True
if ':' not in value:
try:
if not not_python:
results.add(
InstallRequirement.from_line(
"{0}{1}".format(
value, python_version).replace(
':', ';')))
# Anything could go wrong here -- can't be too careful.
except Exception:
pass
# this section properly creates 'python_version' markers for cross-python
# virtualenv creation and for multi-python compatibility.
requires_python = reqset.requires_python if hasattr(
reqset, 'requires_python') else resolver.requires_python
if requires_python:
marker_str = ''
# This corrects a logic error from the previous code which said that if
# we Encountered any 'requires_python' attributes, basically only create a
# single result no matter how many we resolved. This should fix
# a majority of the remaining non-deterministic resolution issues.
if any(
requires_python.startswith(op)
for op in Specifier._operators.keys()):
# We are checking first if we have leading specifier operator
# if not, we can assume we should be doing a == comparison
specifierset = SpecifierSet(requires_python)
# for multiple specifiers, the correct way to represent that in
# a specifierset is `Requirement('fakepkg; python_version<"3.0,>=2.6"')`
from passa.internals.specifiers import cleanup_pyspecs
marker_str = str(
Marker(" and ".join(
dedup([
"python_version {0[0]} '{0[1]}'".format(spec)
for spec in cleanup_pyspecs(specifierset)
]))))
# The best way to add markers to a requirement is to make a separate requirement
# with only markers on it, and then to transfer the object istelf
marker_to_add = Requirement(
'fakepkg; {0}'.format(marker_str)).marker
if ireq in results:
results.remove(ireq)
print(marker_to_add)
ireq.req.marker = marker_to_add
results = set(results) if results else set()
return results, ireq
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):
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,
)
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,
)
wheels_built_successfully = wb.build(
requirement_set.requirements.values(), session=session,
)
if not wheels_built_successfully:
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):
# 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 = getattr(pip_req, "satisfied_by",
None) 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