Source code for spack.cmd.checksum

# Copyright 2013-2021 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', help="don't clean up staging area when command completes") sp = subparser.add_mutually_exclusive_group() sp.add_argument( '-b', '--batch', action='store_true', help="don't ask which versions to checksum") sp.add_argument( '-l', '--latest', action='store_true', help="checksum the latest available version only") sp.add_argument( '-p', '--preferred', action='store_true', 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 = {} if args.versions: # If the user asked for specific versions, use those for version in args.versions: version = ver(version) if not isinstance(version, Version): tty.die("Cannot generate checksums for version lists or " "version ranges. Use unambiguous versions.") url_dict[version] = pkg.url_for_version(version) elif args.preferred: version = preferred_version(pkg) url_dict = dict([(version, pkg.url_for_version(version))]) else: # Otherwise, see what versions we can find online url_dict = pkg.fetch_remote_versions() if not url_dict: tty.die("Could not find any versions for {0}".format(pkg.name)) # And ensure the specified version URLs take precedence, if available try: explicit_dict = {} for v in pkg.versions: if not v.isdevelop(): explicit_dict[v] = pkg.url_for_version(v) url_dict.update(explicit_dict) except spack.package.NoURLError: pass 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()