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# Copyright 2013-2024 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 io
import sys
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"
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"
)
def providers(parser, args):
valid_virtuals = sorted(spack.repo.PATH.provider_index.providers.keys())
buffer = io.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("")
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