# 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)
import sys
import six
import llnl.util.tty.colify as colify
import spack.cmd
import spack.repo
description = "list packages that provide a particular virtual package"
section = "basic"
level = "long"
[docs]def setup_parser(subparser):
subparser.epilog = 'If called without argument returns ' \
'the list of all valid virtual packages'
subparser.add_argument(
'virtual_package',
nargs='*',
help='find packages that provide this virtual package'
)
[docs]def providers(parser, args):
valid_virtuals = sorted(spack.repo.path.provider_index.providers.keys())
buffer = six.StringIO()
isatty = sys.stdout.isatty()
if isatty:
buffer.write('Virtual packages:\n')
colify.colify(valid_virtuals, output=buffer, tty=isatty, indent=4)
valid_virtuals_str = buffer.getvalue()
# If called without arguments, list all the virtual packages
if not args.virtual_package:
print(valid_virtuals_str)
return
# Otherwise, parse the specs from command line
specs = spack.cmd.parse_specs(args.virtual_package)
# Check prerequisites
non_virtual = [
str(s) for s in specs if not s.virtual or s.name not in valid_virtuals
]
if non_virtual:
msg = 'non-virtual specs cannot be part of the query '
msg += '[{0}]\n'.format(', '.join(non_virtual))
msg += valid_virtuals_str
raise ValueError(msg)
# Display providers
for spec in specs:
if sys.stdout.isatty():
print("{0}:".format(spec))
spack.cmd.display_specs(sorted(spack.repo.path.providers_for(spec)))
print('')