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# Copyright 2013-2019 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)
"""Yaml Version Check is a module for ensuring that config file
formats are compatible with the current version of Spack."""
import os.path
import os
import llnl.util.tty as tty
import spack.util.spack_yaml as syaml
import spack.config
def pre_run():
check_compiler_yaml_version()
def check_compiler_yaml_version():
config = spack.config.config
for scope in config.file_scopes:
file_name = os.path.join(scope.path, 'compilers.yaml')
data = None
if os.path.isfile(file_name):
with open(file_name) as f:
data = syaml.load(f)
if data:
compilers = data.get('compilers')
if compilers and len(compilers) > 0:
if (not isinstance(compilers, list) or
'operating_system' not in compilers[0]['compiler']):
new_file = os.path.join(scope.path, '_old_compilers.yaml')
tty.warn('%s in out of date compilers format. '
'Moved to %s. Spack automatically generate '
'a compilers config file '
% (file_name, new_file))
os.rename(file_name, new_file)
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