def create(cls,
options_bootstrapper,
build_configuration,
init_subsystems=True):
global_bootstrap_options = options_bootstrapper.get_bootstrap_options(
).for_global_scope()
if global_bootstrap_options.pants_version != pants_version():
raise BuildConfigurationError(
f"Version mismatch: Requested version was {global_bootstrap_options.pants_version}, "
f"our version is {pants_version()}.")
# Parse and register options.
options = cls._construct_options(options_bootstrapper,
build_configuration)
GlobalOptions.validate_instance(options.for_global_scope())
if init_subsystems:
Subsystem.set_options(options)
return options
def select(argv):
# Parse positional arguments to the script.
args = _create_bootstrap_binary_arg_parser().parse_args(argv[1:])
# Resolve bootstrap options with a fake empty command line.
options_bootstrapper = OptionsBootstrapper.create(env=os.environ,
args=[argv[0]],
allow_pantsrc=True)
subsystems = (GlobalOptions, BinaryUtil.Factory)
known_scope_infos = reduce(set.union,
(ss.known_scope_infos() for ss in subsystems),
set())
options = options_bootstrapper.get_full_options(known_scope_infos)
# Initialize Subsystems.
Subsystem.set_options(options)
# If the filename provided ends in a known archive extension (such as ".tar.gz"), then we get the
# appropriate Archiver to pass to BinaryUtil.
archiver_for_current_binary = None
filename = args.filename or args.util_name
try:
archiver_for_current_binary = archiver_for_path(filename)
# BinaryRequest requires the `name` field to be provided without an extension, as it appends the
# archiver's extension if one is provided, so we have to remove it here.
filename = filename[:-(len(archiver_for_current_binary.extension) + 1)]
except ValueError:
pass
binary_util = BinaryUtil.Factory.create()
binary_request = BinaryRequest(
supportdir="bin/{}".format(args.util_name),
version=args.version,
name=filename,
platform_dependent=True,
external_url_generator=None,
archiver=archiver_for_current_binary,
)
return binary_util.select(binary_request)
