Source code for spack.schema.environment

# 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)
"""Schema for environment modifications. Meant for inclusion in other

array_of_strings_or_num = {
    'type': 'array', 'default': [], 'items':
        {'anyOf': [{'type': 'string'}, {'type': 'number'}]}

dictionary_of_strings_or_num = {
    'type': 'object', 'patternProperties':
        {r'\w[\w-]*': {'anyOf': [{'type': 'string'}, {'type': 'number'}]}}

definition = {
    'type': 'object',
    'default': {},
    'additionalProperties': False,
    'properties': {
        'set': dictionary_of_strings_or_num,
        'unset': array_of_strings_or_num,
        'prepend_path': dictionary_of_strings_or_num,
        'append_path': dictionary_of_strings_or_num,
        'remove_path': dictionary_of_strings_or_num

[docs]def parse(config_obj): """Returns an EnvironmentModifications object containing the modifications parsed from input. Args: config_obj: a configuration dictionary conforming to the schema definition for environment modifications """ from llnl.util.compat import Sequence import spack.util.environment as ev env = ev.EnvironmentModifications() for command, variable in config_obj.items(): # Distinguish between commands that take only a name as argument # (e.g. unset) and commands that take a name and a value. if isinstance(variable, Sequence): for name in variable: getattr(env, command)(name) else: for name, value in variable.items(): getattr(env, command)(name, value) return env