Newer
Older
else:
runtime_files = set()
if self.unpack_runtime:
if self.versioned_directories:
subdir = '{}_platform_{}'.format(runtime.name, version)
else:
subdir = runtime.name
dest = os.path.join(self.depot, subdir)
runtime_files.add(subdir + '/')
with suppress(FileNotFoundError):
shutil.rmtree(dest)
os.makedirs(dest, exist_ok=True)
argv = [
'tar',
'-C', dest,
os.path.join(self.cache, runtime.tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
self.prune_runtime(Path(dest))
self.write_lookaside(dest)
if self.minimize:
self.minimize_runtime(dest)
self.ensure_ref(dest)
if self.include_sdk_runtime:
if self.versioned_directories:
sdk_subdir = '{}_sdk_{}'.format(runtime.name, version)
else:
sdk_subdir = '{}_sdk'.format(runtime.name)
dest = os.path.join(self.depot, sdk_subdir)
runtime_files.add(sdk_subdir + '/')
with suppress(FileNotFoundError):
shutil.rmtree(os.path.join(dest, 'files'))
with suppress(FileNotFoundError):
os.remove(os.path.join(dest, 'metadata'))
os.makedirs(
os.path.join(dest, 'files', 'lib', 'debug'),
exist_ok=True,
)
argv = [
'tar',
'-C', dest,
'-xf', os.path.join(self.cache, runtime.sdk_tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
self.prune_runtime(Path(dest))
self.write_lookaside(dest)
if self.minimize:
self.minimize_runtime(dest)
self.ensure_ref(dest)
if self.include_sdk_debug:
argv = [
'tar',
'-C', os.path.join(dest, 'files', 'lib', 'debug'),
'--transform', r's,^\(\./\)\?files\(/\|$\),,',
'-xf',
os.path.join(self.cache, runtime.debug_tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
if self.include_sdk_sysroot:
if self.versioned_directories:
sysroot_subdir = '{}_sysroot_{}'.format(
runtime.name, version,
)
else:
sysroot_subdir = '{}_sysroot'.format(runtime.name)
sysroot = os.path.join(self.depot, sysroot_subdir)
runtime_files.add(sysroot_subdir + '/')
with suppress(FileNotFoundError):
shutil.rmtree(sysroot)
os.makedirs(os.path.join(sysroot, 'files'), exist_ok=True)
argv = [
'tar',
'-C', os.path.join(sysroot, 'files'),
'--exclude', 'dev/*',
os.path.join(self.cache, runtime.sysroot_tarball),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
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os.makedirs(
os.path.join(
sysroot, 'files', 'usr', 'lib', 'debug',
),
exist_ok=True,
)
if self.include_sdk_debug:
if self.include_sdk_sysroot:
argv = [
'cp',
'-al',
os.path.join(dest, 'files', 'lib', 'debug'),
os.path.join(sysroot, 'files', 'usr', 'lib'),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
else:
argv = [
'tar',
'-C', os.path.join(
sysroot, 'files', 'usr', 'lib', 'debug'
),
'--transform', r's,^\(\./\)\?files\(/\|$\),,',
'-xf',
os.path.join(
self.cache, runtime.debug_tarball,
),
]
logger.info('%r', argv)
subprocess.run(argv, check=True)
with open(
os.path.join(self.depot, 'run-in-' + runtime.name), 'w'
) as writer:
if self.unpack_runtime:
writer.write(
RUN_IN_DIR_SOURCE.format(
escaped_dir=shlex.quote(subdir),
source_for_generated_file=(
'Generated file, do not edit'
),
)
)
else:
writer.write(
RUN_IN_ARCHIVE_SOURCE.format(
escaped_arch=shlex.quote(runtime.architecture),
escaped_name=shlex.quote(runtime.name),
escaped_runtime=shlex.quote(runtime.platform),
escaped_suite=shlex.quote(runtime.suite),
source_for_generated_file=(
'Generated file, do not edit'
),
)
)
os.chmod(os.path.join(self.depot, 'run-in-' + runtime.name), 0o755)
comment = ', '.join(sorted(runtime_files))
if runtime.path:
comment += ' (from local build)'
component_version.version = version
component_version.runtime = runtime.suite
component_version.runtime_version = version
component_version.comment = comment
self.versions.append(component_version)
for runtime in (self.runtime,): # too much to reindent right now
if not self.toolmanifest:
continue
with open(
os.path.join(self.depot, 'toolmanifest.vdf'), 'w'
) as writer:
import vdf # noqa
writer.write('// Generated file, do not edit\n')
words = [
'/_v2-entry-point',
'--verb=%verb%',
'--',
]
content = dict(
manifest=dict(
commandline=' '.join(words),
version='2',
use_tool_subprocess_reaper='1',
)
if runtime.suite != 'scout':
vdf.dump(content, writer, pretty=True, escaped=True)
shutil.copy2(
os.path.join(self.depot, 'run-in-' + runtime.name),
os.path.join(self.depot, 'run'),
)
os.chmod(os.path.join(self.depot, 'run'), 0o755)
self.write_component_versions()
def write_component_versions(self) -> None:
try:
with subprocess.Popen(
[
'git', 'describe',
'--always',
'--dirty',
'--long',
],
cwd=os.path.dirname(__file__),
stdout=subprocess.PIPE,
universal_newlines=True,
) as describe:
stdout = describe.stdout
assert stdout is not None
version = stdout.read().strip()
# Deliberately ignoring exit status:
# if git is missing or old we'll use 'unknown'
except (OSError, subprocess.SubprocessError):
version = 'unknown'
if self.depot_version:
component_version = ComponentVersion('depot', sort_weight=-1)
component_version.version = self.depot_version
component_version.comment = 'Overall version number'
self.versions.append(component_version)
component_version = ComponentVersion('scripts')
component_version.version = version
component_version.comment = 'Entry point scripts, etc.'
self.versions.append(component_version)
with open(os.path.join(self.depot, 'VERSIONS.txt'), 'w') as writer:
writer.write(
'#Name\tVersion\t\tRuntime\tRuntime_Version\tComment\n'
)
for entry in sorted(self.versions, key=lambda v: v.to_sort_key()):
logger.info('Component version: %s', entry)
writer.write(entry.to_tsv())
def use_local_pressure_vessel(self, path: str = '.') -> None:
pv_dir = os.path.join(self.depot, 'pressure-vessel')
os.makedirs(pv_dir, exist_ok=True)
argv = ['tar', '-C', pv_dir, '--strip-components=1', '-xf']
if os.path.isfile(path):
argv.append(path)
else:
argv.append(os.path.join(path, 'pressure-vessel-bin.tar.gz'))
logger.info('%r', argv)
subprocess.run(argv, check=True)
def download_pressure_vessel_standalone(
self,
version: str,
) -> str:
pv = PressureVesselRelease(
cache=self.cache,
ssh_host=self.pressure_vessel_ssh_host,
ssh_path=self.pressure_vessel_ssh_path,
uri=self.pressure_vessel_uri,
version=version,
)
pinned = pv.pin_version(self.opener)
self.use_local_pressure_vessel(
pv.fetch('pressure-vessel-bin.tar.gz', self.opener, pinned)
)
return pinned
def download_pressure_vessel_from_runtime(self, runtime: Runtime) -> str:
filename = 'pressure-vessel-bin.tar.gz'
runtime.pin_version(self.opener)
downloaded = runtime.fetch(
filename,
self.opener,
)
os.makedirs(self.depot, exist_ok=True)
subprocess.run(
[
'tar', '-C', self.depot, '-xf', downloaded,
],
check=True,
)
def use_local_runtime(self, runtime: Runtime) -> None:
assert runtime.path
for basename in runtime.get_archives(
include_sdk_debug=self.include_sdk_debug,
include_sdk_runtime=self.include_sdk_runtime,
include_sdk_sysroot=self.include_sdk_sysroot,
):
src = os.path.join(runtime.path, basename)
dest = os.path.join(self.cache, basename)
logger.info('Hard-linking local runtime %r to %r', src, dest)
with suppress(FileNotFoundError):
os.unlink(dest)
if self.include_archives:
dest = os.path.join(self.depot, basename)
logger.info('Hard-linking local runtime %r to %r', src, dest)
with suppress(FileNotFoundError):
os.unlink(dest)
os.link(src, dest)
if self.include_archives:
os.path.join(self.depot, runtime.build_id_file), 'w',
) as writer:
writer.write(f'{runtime.version}\n')
if self.include_sdk_runtime or self.include_sdk_sysroot:
with open(
os.path.join(self.depot, runtime.sdk_build_id_file), 'w',
) as writer:
writer.write(f'{runtime.version}\n')
if self.unpack_sources:
with open(
os.path.join(runtime.path, runtime.sources), 'rb',
) as reader:
for stanza in Sources.iter_paragraphs(
sequence=reader,
use_apt_pkg=True,
):
if stanza['package'] in self.unpack_sources:
for f in stanza['files']:
name = f['name']
if name.endswith('.dsc'):
dest = os.path.join(
self.unpack_sources_into,
runtime.name,
stanza['package'],
)
with suppress(FileNotFoundError):
logger.info('Removing %r', dest)
shutil.rmtree(dest)
subprocess.run(
[
'dpkg-source',
'-x',
dest,
os.path.join(
runtime.path,
'sources',
f['name'],
),
],
check=True,
)
def download_runtime(self, runtime: Runtime) -> None:
"""
Download a pre-prepared Platform from a previous container
runtime build.
"""
pinned = runtime.pin_version(self.opener)
for basename in runtime.get_archives(
include_sdk_debug=self.include_sdk_debug,
include_sdk_runtime=self.include_sdk_runtime,
include_sdk_sysroot=self.include_sdk_sysroot,
):
downloaded = runtime.fetch(basename, self.opener)
if self.include_archives:
dest = os.path.join(self.depot, basename)
with suppress(FileNotFoundError):
os.unlink(dest)
os.link(downloaded, dest)
if self.include_archives:
os.path.join(self.depot, runtime.build_id_file), 'w',
) as writer:
writer.write(f'{pinned}\n')
if self.include_sdk_runtime or self.include_sdk_sysroot:
with open(
os.path.join(self.depot, runtime.sdk_build_id_file), 'w',
) as writer:
writer.write(f'{pinned}\n')
if self.unpack_sources:
with tempfile.TemporaryDirectory(prefix='populate-depot.') as tmp:
want = set(self.unpack_sources)
downloaded = runtime.fetch(
runtime.sources,
self.opener,
)
with open(downloaded, 'rb') as reader:
for stanza in Sources.iter_paragraphs(
sequence=reader,
use_apt_pkg=True,
):
if stanza['package'] in self.unpack_sources:
logger.info(
'Found %s in %s',
stanza['package'], runtime.name,
)
want.discard(stanza['package'])
os.makedirs(
os.path.join(self.cache or tmp, 'sources'),
exist_ok=True,
)
file_path = {} # type: Dict[str, str]
for f in stanza['files']:
name = f['name']
file_path[name] = runtime.fetch(
os.path.join('sources', name),
self.opener,
)
for f in stanza['files']:
name = f['name']
if name.endswith('.dsc'):
dest = os.path.join(
self.unpack_sources_into,
runtime.name,
stanza['package'],
)
with suppress(FileNotFoundError):
logger.info('Removing %r', dest)
shutil.rmtree(dest)
subprocess.run(
[
'dpkg-source',
'-x',
file_path[name],
dest,
],
check=True,
)
if want:
logger.warning(
'Did not find source package(s) %s in %s',
', '.join(want), runtime.name,
)
def download_scout_tarball(self, runtime: Runtime) -> None:
"""
Download a pre-prepared LD_LIBRARY_PATH Steam Runtime from a
previous scout build.
"""
filename = 'steam-runtime.tar.xz'
pinned = runtime.pin_version(self.opener)
logger.info('Downloading steam-runtime build %s', pinned)
os.makedirs(self.unpack_ld_library_path, exist_ok=True)
downloaded = runtime.fetch(
filename,
self.opener,
)
subprocess.run(
[
'tar', '-C', self.unpack_ld_library_path, '-xf',
downloaded,
],
check=True,
)
def octal_escape_char(self, match: 're.Match') -> str:
ret = [] # type: List[str]
for byte in match.group(0).encode('utf-8', 'surrogateescape'):
ret.append('\\%03o' % byte)
return ''.join(ret)
_NEEDS_OCTAL_ESCAPE = re.compile(r'[^-A-Za-z0-9+,./:@_]')
def octal_escape(self, s: str) -> str:
return self._NEEDS_OCTAL_ESCAPE.sub(self.octal_escape_char, s)
def filename_is_windows_friendly(self, s: str) -> bool:
for c in s:
# This is the set of characters that are reserved in Windows
# filenames, excluding '/' which obviously we're fine with
# using as a directory separator.
if c in r'<>:"\|?*':
return False
if c >= '\uDC80' and c <= '\uDCFF':
# surrogate escape, not Unicode
return False
return True
def write_lookaside(self, runtime: str) -> None:
with tempfile.TemporaryDirectory(prefix='slr-mtree-') as temp:
lc_names = {} # type: Dict[str, str]
differ_only_by_case = set() # type: Set[str]
not_windows_friendly = set() # type: Set[str]
sha256 = {} # type: Dict[Tuple[int, int], str]
paths = {} # type: Dict[Tuple[int, int], str]
writer = gzip.open(os.path.join(temp, 'usr-mtree.txt.gz'), 'wt')
writer.write('#mtree\n')
writer.write('. type=dir\n')
for member in Path(runtime).rglob("*"):
relative_path = member.relative_to(runtime)
try:
name = str(relative_path.relative_to('files'))
except ValueError:
continue
if not self.filename_is_windows_friendly(name):
not_windows_friendly.add(name)
if name.lower() in lc_names:
differ_only_by_case.add(lc_names[name.lower()])
differ_only_by_case.add(name)
else:
lc_names[name.lower()] = name
fields = ['./' + self.octal_escape(name)]
stat_info = os.lstat(member)
if stat.S_ISREG(stat_info.st_mode):
fields.append('type=file')
fields.append('mode=%o' % stat_info.st_mode)
# With sub-second precision, note that some versions
# of mtree use the part after the dot as integer
# nanoseconds, so "1.234" is actually 1 sec + 234 ns,
# or what normal people would write as 1.000000234.
# To be compatible with both, we always show the time
# with 9 digits after the decimal point.
fields.append(f'time={stat_info.st_mtime:.9f}')
fields.append(f'size={stat_info.st_size}')
file_id = (stat_info.st_dev, stat_info.st_ino)
if stat_info.st_size > 0:
if file_id not in sha256:
hasher = hashlib.sha256()
with open(member, 'rb') as f:
while True:
blob = f.read(4096)
if not blob:
break
hasher.update(blob)
sha256[file_id] = hasher.hexdigest()
fields.append(f'sha256={sha256[file_id]}')
if stat_info.st_nlink > 1:
if file_id in paths:
writer.write(
'# hard link to {}\n'.format(
self.octal_escape(paths[file_id]),
),
)
else:
paths[file_id] = str(relative_path)
elif stat.S_ISLNK(stat_info.st_mode):
fields.append('type=link')
fields.append(
f'link={self.octal_escape(os.readlink(member))}')
elif stat.S_ISDIR(stat_info.st_mode):
fields.append('type=dir')
else:
writer.write(
'# unknown file type: {}\n'.format(
self.octal_escape(name),
),
)
continue
writer.write(' '.join(fields) + '\n')
if '.ref' not in lc_names:
writer.write('./.ref type=file size=0 mode=644\n')
if differ_only_by_case:
writer.write('\n')
writer.write('# Files whose names differ only by case:\n')
for name in sorted(differ_only_by_case):
writer.write('# {}\n'.format(self.octal_escape(name)))
if not_windows_friendly:
writer.write('\n')
writer.write('# Files whose names are not Windows-friendly:\n')
for name in sorted(not_windows_friendly):
writer.write('# {}\n'.format(self.octal_escape(name)))
# We need to close the gzip before copying it, otherwise we
# will end up with a corrupted file
writer.close()
shutil.copy2(writer.name, runtime)
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def minimize_runtime(self, root: str) -> None:
'''
Remove files that pressure-vessel can reconstitute from the manifest.
This is the equivalent of:
find $root/files -type l -delete
find $root/files -empty -delete
Note that this needs to be done before ensure_ref(), otherwise
it will delete files/.ref too.
'''
for (dirpath, dirnames, filenames) in os.walk(
os.path.join(root, 'files'),
topdown=False,
):
for f in filenames + dirnames:
path = os.path.join(dirpath, f)
try:
statinfo = os.lstat(path)
except FileNotFoundError:
continue
if stat.S_ISLNK(statinfo.st_mode) or statinfo.st_size == 0:
os.remove(path)
try:
os.rmdir(dirpath)
except OSError as e:
if e.errno != errno.ENOTEMPTY:
raise
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def main() -> None:
logging.basicConfig()
logging.getLogger().setLevel(logging.DEBUG)
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
parser.add_argument(
'--architecture', default='amd64,i386',
help=(
'Default dpkg architecture or comma-separated list of '
'architectures'
)
)
parser.add_argument(
'--suite', default='',
help=(
'Default suite to use if none is specified'
)
)
parser.add_argument(
help=(
'Default version to use if none is specified'
)
)
parser.add_argument(
'--cache', default='.cache',
help=(
'Cache downloaded files that are not in --depot here'
),
)
parser.add_argument(
'--credential-env',
action='append',
default=[],
dest='credential_envs',
help=(
'Environment variable to be evaluated for login:password, '
'or a pair of environment variables VAR1:VAR2 to be evaluated '
'for login and password respectively'
),
)
parser.add_argument(
'--credential-host',
action='append',
default=[],
dest='credential_hosts',
metavar='HOST',
help=(
'Use --credential-env when downloading from the given HOST'
'(default: hostname of --images-uri)'
),
)
parser.add_argument(
'--images-uri',
default=DEFAULT_IMAGES_URI,
metavar='URI',
help=(
'Download files from the given URI. '
'"SUITE" will be replaced with the suite name.'
),
)
parser.add_argument(
'--ssh-host', default='', metavar='HOST',
help='Use ssh and rsync to download files from HOST',
)
parser.add_argument(
'--ssh-path', default='', metavar='PATH',
help=(
'Use ssh and rsync to download files from PATH on HOST. '
'"SUITE" will be replaced with the suite name.'
),
parser.add_argument(
'--depot', default='depot',
help=(
'Download runtime into this existing directory'
parser.add_argument(
'--depot-version', default='',
help=(
'Set an overall version number for the depot contents'
)
)
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parser.add_argument(
'--pressure-vessel-uri',
default=DEFAULT_PRESSURE_VESSEL_URI,
metavar='URI',
help=(
'Download pressure-vessel from a versioned subdirectory of URI'
),
)
parser.add_argument(
'--pressure-vessel-ssh-host', default='', metavar='HOST',
help=(
'Use ssh and rsync to download pressure-vessel from HOST '
'[default: same as --ssh-host]'
),
)
parser.add_argument(
'--pressure-vessel-ssh-path', default='', metavar='PATH',
help=(
'Use ssh and rsync to download pressure-vessel from a versioned '
'subdirectory of PATH on HOST'
),
)
parser.add_argument(
'--pressure-vessel-version', default='', metavar='0.x.y|latest',
help=(
'Use this version of pressure-vessel from --pressure-vessel-uri '
'or --pressure-vessel-ssh-path'
)
)
parser.add_argument(
'--pressure-vessel-archive', default='', metavar='PATH',
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'Unpack pressure-vessel from the named archive'
),
)
parser.add_argument(
'--pressure-vessel-from-runtime', default='', metavar='NAME',
help=(
'Get pressure-vessel from the named runtime (default "scout")'
),
)
parser.add_argument(
'--pressure-vessel-from-runtime-json', default='', metavar='NAME',
help=(
'Get pressure-vessel from a separate runtime version given as a '
'JSON object'
),
)
parser.add_argument(
'--pressure-vessel', default='', metavar='NAME|PATH|DETAILS',
dest='pressure_vessel_guess',
help=(
'--pressure-vessel-archive=ARCHIVE, '
'--pressure-vessel-archive=DIRECTORY/pressure-vessel-bin.tar.gz, '
'--pressure-vessel-from-runtime=NAME or '
'--pressure-vessel-from-runtime-json=DETAILS, '
'based on form of argument given '
'(disambiguate with ./ if necessary)'
),
parser.add_argument(
'--include-archives', action='store_true', default=False,
help=(
'Provide the runtime as an archive to be unpacked'
)
)
parser.add_argument(
'--no-include-archives', action='store_false', dest='include_archives',
help=(
'Do not provide the runtime as an archive to be unpacked '
'[default]'
)
)
parser.add_argument(
'--include-sdk', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--include-sdk-debug', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--include-sdk-runtime', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--include-sdk-sysroot', default=False, action='store_true',
help='Include a corresponding SDK',
)
parser.add_argument(
'--layered', default=False, action='store_true',
help='Produce a layered runtime that runs scout on soldier',
)
parser.add_argument(
'--minimize', action='store_true', default=False,
help=(
'Omit empty files, empty directories and symlinks from '
'runtime content, requiring pressure-vessel to fill them in '
'from the mtree manifest'
)
)
parser.add_argument(
'--no-minimize', action='store_false', dest='minimize',
help=(
'Include empty files, empty directories and symlinks in '
'runtime content [default]'
)
)
parser.add_argument(
'--source-dir', default=HERE,
help=(
'Source directory for files to include in the depot'
)
)
parser.add_argument(
'--toolmanifest', default=False, action='store_true',
help='Generate toolmanifest.vdf',
)
parser.add_argument(
'--unpack-ld-library-path', metavar='PATH', default='',
help=(
'Get the steam-runtime.tar.xz from the same place as '
'pressure-vessel and unpack it into the given PATH, '
'for use in regression testing.'
)
)
'--unpack-runtime', '--unpack-runtimes',
action='store_true', default=True,
"Unpack the runtime into the --depot, for use with "
"pressure-vessel's tests/containers.py. [default]"
parser.add_argument(
'--no-unpack-runtime', '--no-unpack-runtimes',
action='store_false', dest='unpack_runtime',
help=(
"Don't unpack the runtime into the --depot"
)
)
parser.add_argument(
'--unpack-source', metavar='PACKAGE', action='append', default=[],
dest='unpack_sources',
help=(
'Download and unpack the given source package from each runtime '
'if it exists, for use in regression testing. May be repeated.'
)
)
parser.add_argument(
'--unpack-sources-into', metavar='PATH', default='.',
help=(
'Unpack any source packages specified by --unpack-source '
'into PATH/RUNTIME/SOURCE (default: ./RUNTIME/SOURCE).'
)
)
parser.add_argument(
'--versioned-directories', action='store_true', default=True,
help=(
'Include version number in unpacked runtime directories '
'[default]'
)
)
parser.add_argument(
'--no-versioned-directories', action='store_false',
dest='versioned_directories',
help=(
'Do not include version number in unpacked runtime directories'
)
)
parser.add_argument(
'runtime',
default='',
metavar='NAME[="DETAILS"]',
help=(
'Runtime to download, in the form NAME or NAME="DETAILS". '
'DETAILS is a JSON object containing something like '
'{"path": "../prebuilt", "suite: "scout", "version": "latest", '
'"architecture": "amd64,i386"}, or the '
'path to a file with the same JSON object in. All JSON fields '
'are optional.'
),
)
try:
args = parser.parse_args()
args.include_sdk_debug = args.include_sdk_debug or args.include_sdk
args.include_sdk_runtime = args.include_sdk_runtime or args.include_sdk
args.include_sdk_sysroot = args.include_sdk_sysroot or args.include_sdk
Main(**vars(args)).run()
except InvocationError as e:
parser.error(str(e))
if __name__ == '__main__':
main()