# 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 functools
import spack.cmd.common.arguments
import spack.cmd.modules
import spack.config
import spack.modules.lmod
[docs]
def add_command(parser, command_dict):
lmod_parser = parser.add_parser("lmod", help="manipulate hierarchical module files")
sp = spack.cmd.modules.setup_parser(lmod_parser)
# Set default module file for a package
setdefault_parser = sp.add_parser(
"setdefault", help="set the default module file for a package"
)
spack.cmd.common.arguments.add_common_arguments(setdefault_parser, ["constraint"])
callbacks = dict(spack.cmd.modules.callbacks.items())
callbacks["setdefault"] = setdefault
command_dict["lmod"] = functools.partial(
spack.cmd.modules.modules_cmd, module_type="lmod", callbacks=callbacks
)
[docs]
def setdefault(module_type, specs, args):
"""set the default module file, when multiple are present"""
# For details on the underlying mechanism see:
#
# https://lmod.readthedocs.io/en/latest/060_locating.html#marking-a-version-as-default
#
spack.cmd.modules.one_spec_or_raise(specs)
spec = specs[0]
data = {"modules": {args.module_set_name: {"lmod": {"defaults": [str(spec)]}}}}
# Need to clear the cache if a SpackCommand is called during scripting
spack.modules.lmod.configuration_registry = {}
scope = spack.config.InternalConfigScope("lmod-setdefault", data)
with spack.config.override(scope):
writer = spack.modules.module_types["lmod"](spec, args.module_set_name)
writer.update_module_defaults()