# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from __future__ import print_function
import argparse
import llnl.util.tty as tty
import spack.cmd
import spack.cmd.common.arguments as arguments
import spack.repo
import spack.stage
import spack.util.crypto
from spack.package import preferred_version
from spack.util.naming import valid_fully_qualified_module_name
from spack.version import Version, ver
description = "checksum available versions of a package"
section = "packaging"
level = "long"
[docs]def setup_parser(subparser):
subparser.add_argument(
'--keep-stage', action='store_true', default=False,
help="don't clean up staging area when command completes")
sp = subparser.add_mutually_exclusive_group()
sp.add_argument(
'-b', '--batch', action='store_true', default=False,
help="don't ask which versions to checksum")
sp.add_argument(
'-l', '--latest', action='store_true', default=False,
help="checksum the latest available version only")
sp.add_argument(
'-p', '--preferred', action='store_true', default=False,
help="checksum the preferred version only")
arguments.add_common_arguments(subparser, ['package'])
subparser.add_argument(
'versions', nargs=argparse.REMAINDER,
help='versions to generate checksums for')
[docs]def checksum(parser, args):
# Did the user pass 'package@version' string?
if len(args.versions) == 0 and '@' in args.package:
args.versions = [args.package.split('@')[1]]
args.package = args.package.split('@')[0]
# Make sure the user provided a package and not a URL
if not valid_fully_qualified_module_name(args.package):
tty.die("`spack checksum` accepts package names, not URLs.")
# Get the package we're going to generate checksums for
pkg = spack.repo.get(args.package)
url_dict = {}
versions = args.versions
if (not versions) and args.preferred:
versions = [preferred_version(pkg)]
if versions:
remote_versions = None
for version in versions:
version = ver(version)
if not isinstance(version, Version):
tty.die("Cannot generate checksums for version lists or "
"version ranges. Use unambiguous versions.")
url = pkg.find_valid_url_for_version(version)
if url is not None:
url_dict[version] = url
continue
# if we get here, it's because no valid url was provided by the package
# do expensive fallback to try to recover
if remote_versions is None:
remote_versions = pkg.fetch_remote_versions()
if version in remote_versions:
url_dict[version] = remote_versions[version]
else:
url_dict = pkg.fetch_remote_versions()
if not url_dict:
tty.die("Could not find any versions for {0}".format(pkg.name))
version_lines = spack.stage.get_checksums_for_versions(
url_dict, pkg.name, keep_stage=args.keep_stage,
batch=(args.batch or len(args.versions) > 0 or len(url_dict) == 1),
latest=args.latest, fetch_options=pkg.fetch_options)
print()
print(version_lines)
print()