def preparer(finder: PackageFinder) -> Iterator[RequirementPreparer]:
session = PipSession()
rc = InstallCommand("x", "y")
o = rc.parse_args([])
with global_tempdir_manager():
with TempDirectory() as tmp:
with get_build_tracker() as tracker:
preparer = RequirementCommand.make_requirement_preparer(
tmp,
options=o[0],
build_tracker=tracker,
session=session,
finder=finder,
use_user_site=False,
verbosity=0,
)
yield preparer
def _basic_resolver(
self,
finder: PackageFinder,
require_hashes: bool = False,
wheel_cache: Optional[WheelCache] = None,
) -> Iterator[Resolver]:
make_install_req = partial(
install_req_from_req_string,
isolated=False,
use_pep517=None,
)
session = PipSession()
with get_build_tracker() as tracker:
preparer = RequirementPreparer(
build_dir=os.path.join(self.tempdir, "build"),
src_dir=os.path.join(self.tempdir, "src"),
download_dir=None,
build_isolation=True,
check_build_deps=False,
build_tracker=tracker,
session=session,
progress_bar="on",
finder=finder,
require_hashes=require_hashes,
use_user_site=False,
lazy_wheel=False,
verbosity=0,
)
yield Resolver(
preparer=preparer,
make_install_req=make_install_req,
finder=finder,
wheel_cache=wheel_cache,
use_user_site=False,
upgrade_strategy="to-satisfy-only",
ignore_dependencies=False,
ignore_installed=False,
ignore_requires_python=False,
force_reinstall=False,
)
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)
build_tracker = self.enter_context(get_build_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,
build_tracker=build_tracker,
session=session,
finder=finder,
download_dir=options.wheel_dir,
use_user_site=False,
verbosity=self.verbosity,
)
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
def run(self, options: Values, args: List[str]) -> int:
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.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,
ignore_requires_python=options.ignore_requires_python,
)
build_tracker = self.enter_context(get_build_tracker())
directory = TempDirectory(
delete=not options.no_clean,
kind="download",
globally_managed=True,
)
reqs = self.get_requirements(args, options, finder, session)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
build_tracker=build_tracker,
session=session,
finder=finder,
download_dir=options.download_dir,
use_user_site=False,
verbosity=self.verbosity,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
options=options,
ignore_requires_python=options.ignore_requires_python,
py_version_info=options.python_version,
)
self.trace_basic_info(finder)
requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
downloaded: List[str] = []
for req in requirement_set.requirements.values():
if req.satisfied_by is None:
assert req.name is not None
preparer.save_linked_requirement(req)
downloaded.append(req.name)
if downloaded:
write_output("Successfully downloaded %s", " ".join(downloaded))
return SUCCESS
def run(self, options: Values, args: List[str]) -> int:
if options.use_user_site and options.target_dir is not None:
raise CommandError("Can not combine '--user' and '--target'")
cmdoptions.check_install_build_global(options)
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
cmdoptions.check_dist_restriction(options, check_target=True)
install_options = options.install_options or []
logger.verbose("Using %s", get_pip_version())
options.use_user_site = decide_user_install(
options.use_user_site,
prefix_path=options.prefix_path,
target_dir=options.target_dir,
root_path=options.root_path,
isolated_mode=options.isolated_mode,
)
target_temp_dir: Optional[TempDirectory] = None
target_temp_dir_path: Optional[str] = None
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (
# fmt: off
os.path.exists(options.target_dir)
and not os.path.isdir(options.target_dir)
# fmt: on
):
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
self.enter_context(target_temp_dir)
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,
)
wheel_cache = WheelCache(options.cache_dir, options.format_control)
build_tracker = self.enter_context(get_build_tracker())
directory = TempDirectory(
delete=not options.no_clean,
kind="install",
globally_managed=True,
)
try:
reqs = self.get_requirements(args, options, finder, session)
# Only when installing is it permitted to use PEP 660.
# In other circumstances (pip wheel, pip download) we generate
# regular (i.e. non editable) metadata and wheels.
for req in reqs:
req.permit_editable_wheels = True
reject_location_related_install_options(reqs,
options.install_options)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
build_tracker=build_tracker,
session=session,
finder=finder,
use_user_site=options.use_user_site,
verbosity=self.verbosity,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
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,
)
self.trace_basic_info(finder)
requirement_set = resolver.resolve(
reqs, check_supported_wheels=not options.target_dir)
try:
pip_req = requirement_set.get_requirement("pip")
except KeyError:
modifying_pip = False
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)
reqs_to_build = [
r for r in requirement_set.requirements.values()
if should_build_for_install_command(r, check_binary_allowed)
]
_, build_failures = build(
reqs_to_build,
wheel_cache=wheel_cache,
verify=True,
build_options=[],
global_options=[],
)
# If we're using PEP 517, we cannot do a legacy setup.py install
# so we fail here.
pep517_build_failure_names: List[str] = [
r.name for r in build_failures if r.use_pep517 # type: ignore
]
if pep517_build_failure_names:
raise InstallationError(
"Could not build wheels for {}, which is required to "
"install pyproject.toml-based projects".format(
", ".join(pep517_build_failure_names)))
# For now, we just warn about failures building legacy
# requirements, as we'll fall through to a setup.py install for
# those.
for r in build_failures:
if not r.use_pep517:
r.legacy_install_reason = 8368
to_install = resolver.get_installation_order(requirement_set)
# Check for conflicts in the package set we're installing.
conflicts: Optional[ConflictDetails] = None
should_warn_about_conflicts = (not options.ignore_dependencies
and options.warn_about_conflicts)
if should_warn_about_conflicts:
conflicts = self._determine_conflicts(to_install)
# Don't warn about script install locations if
# --target or --prefix has been specified
warn_script_location = options.warn_script_location
if options.target_dir or options.prefix_path:
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,
warn_script_location=warn_script_location,
use_user_site=options.use_user_site,
pycompile=options.compile,
)
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,
)
env = get_environment(lib_locations)
installed.sort(key=operator.attrgetter("name"))
items = []
for result in installed:
item = result.name
try:
installed_dist = env.get_distribution(item)
if installed_dist is not None:
item = f"{item}-{installed_dist.version}"
except Exception:
pass
items.append(item)
if conflicts is not None:
self._warn_about_conflicts(
conflicts,
resolver_variant=self.determine_resolver_variant(options),
)
installed_desc = " ".join(items)
if installed_desc:
write_output(
"Successfully installed %s",
installed_desc,
)
except OSError as error:
show_traceback = self.verbosity >= 1
message = create_os_error_message(
error,
show_traceback,
options.use_user_site,
)
logger.error(message, exc_info=show_traceback) # noqa
return ERROR
if options.target_dir:
assert target_temp_dir
self._handle_target_dir(options.target_dir, target_temp_dir,
options.upgrade)
if options.root_user_action == "warn":
warn_if_run_as_root()
return SUCCESS