Source code for spack.cmd.external

# 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 sys

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

import spack
import spack.cmd
import spack.cmd.common.arguments
import spack.detection
import spack.error
import spack.util.environment

description = "manage external packages in Spack configuration"
section = "config"
level = "short"


[docs]def setup_parser(subparser): sp = subparser.add_subparsers( metavar='SUBCOMMAND', dest='external_command') scopes = spack.config.scopes() scopes_metavar = spack.config.scopes_metavar find_parser = sp.add_parser( 'find', help='add external packages to packages.yaml' ) find_parser.add_argument( '--not-buildable', action='store_true', default=False, help="packages with detected externals won't be built with Spack") find_parser.add_argument( '--scope', choices=scopes, metavar=scopes_metavar, default=spack.config.default_modify_scope('packages'), help="configuration scope to modify") spack.cmd.common.arguments.add_common_arguments(find_parser, ['tags']) find_parser.add_argument('packages', nargs=argparse.REMAINDER) sp.add_parser( 'list', help='list detectable packages, by repository and name' )
[docs]def external_find(args): # Construct the list of possible packages to be detected packages_to_check = [] # Add the packages that have been required explicitly if args.packages: packages_to_check = list(spack.repo.get(pkg) for pkg in args.packages) if args.tags: allowed = set(spack.repo.path.packages_with_tags(*args.tags)) packages_to_check = [x for x in packages_to_check if x in allowed] if args.tags and not packages_to_check: # If we arrived here we didn't have any explicit package passed # as argument, which means to search all packages. # Since tags are cached it's much faster to construct what we need # to search directly, rather than filtering after the fact packages_to_check = [ spack.repo.get(pkg) for pkg in spack.repo.path.packages_with_tags(*args.tags) ] # If the list of packages is empty, search for every possible package if not args.tags and not packages_to_check: packages_to_check = spack.repo.path.all_packages() detected_packages = spack.detection.by_executable(packages_to_check) new_entries = spack.detection.update_configuration( detected_packages, scope=args.scope, buildable=not args.not_buildable ) if new_entries: path = spack.config.config.get_config_filename(args.scope, 'packages') msg = ('The following specs have been detected on this system ' 'and added to {0}') tty.msg(msg.format(path)) spack.cmd.display_specs(new_entries) else: tty.msg('No new external packages detected')
[docs]def external_list(args): # Trigger a read of all packages, might take a long time. list(spack.repo.path.all_packages()) # Print all the detectable packages tty.msg("Detectable packages per repository") for namespace, pkgs in sorted(spack.package.detectable_packages.items()): print("Repository:", namespace) colify.colify(pkgs, indent=4, output=sys.stdout)
[docs]def external(parser, args): action = {'find': external_find, 'list': external_list} action[args.external_command](args)