Source code for spack.cmd.tags

# 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)

import sys

import six

import llnl.util.tty as tty
import llnl.util.tty.colify as colify

import spack.repo
import spack.tag

description = "Show package tags and associated packages"
section = "basic"
level = "long"

[docs]def report_tags(category, tags): buffer = six.StringIO() isatty = sys.stdout.isatty() if isatty: num = len(tags) fmt = '{0} package tag'.format(category) buffer.write("{0}:\n".format(spack.util.string.plural(num, fmt))) if tags: colify.colify(tags, output=buffer, tty=isatty, indent=4) else: buffer.write(" None\n") print(buffer.getvalue())
[docs]def setup_parser(subparser): subparser.epilog = ( "Tags from known packages will be used if no tags are provided on " "the command\nline. If tags are provided, packages with at least one " "will be reported.\n\nYou are not allowed to provide tags and use " "'--all' at the same time." ) subparser.add_argument( '-i', '--installed', action='store_true', default=False, help="show information for installed packages only" ) subparser.add_argument( '-a', '--all', action='store_true', default=False, help="show packages for all available tags" ) subparser.add_argument( 'tag', nargs='*', help="show packages with the specified tag" )
[docs]def tags(parser, args): # Disallow combining all option with (positional) tags to avoid confusion if args.all and args.tag: tty.die("Use the '--all' option OR provide tag(s) on the command line") # Provide a nice, simple message if database is empty if args.installed and not spack.environment.installed_specs(): tty.msg("No installed packages") return # unique list of available tags available_tags = sorted(spack.repo.path.tag_index.keys()) if not available_tags: tty.msg("No tagged packages") return show_packages = args.tag or args.all # Only report relevant, available tags if no packages are to be shown if not show_packages: if not args.installed: report_tags("available", available_tags) else: tag_pkgs = spack.tag.packages_with_tags(available_tags, True, True) tags = tag_pkgs.keys() if tag_pkgs else [] report_tags("installed", tags) return # Report packages associated with tags buffer = six.StringIO() isatty = sys.stdout.isatty() tags = args.tag if args.tag else available_tags tag_pkgs = spack.tag.packages_with_tags(tags, args.installed, False) missing = 'No installed packages' if args.installed else 'None' for tag in sorted(tag_pkgs): # TODO: Remove the sorting once we're sure noone has an old # TODO: tag cache since it can accumulate duplicates. packages = sorted(list(set(tag_pkgs[tag]))) if isatty: buffer.write("{0}:\n".format(tag)) if packages: colify.colify(packages, output=buffer, tty=isatty, indent=4) else: buffer.write(" {0}\n".format(missing)) buffer.write("\n") print(buffer.getvalue())