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# Copyright 2017, 2019 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from . import ExtensionModule
from .. import mesonlib
from ..mesonlib import typeslistify
from ..interpreterbase import FeatureNew, noKwargs, InvalidCode
import os
class KeyvalModule(ExtensionModule):
@FeatureNew('Keyval Module', '0.55.0')
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.methods.update({
'load': self.load,
})
def _load_file(self, path_to_config):
result = dict()
try:
with open(path_to_config) as f:
for line in f:
if '#' in line:
comment_idx = line.index('#')
line = line[:comment_idx]
line = line.strip()
try:
name, val = line.split('=', 1)
except ValueError:
continue
result[name.strip()] = val.strip()
except OSError as e:
raise mesonlib.MesonException(f'Failed to load {path_to_config}: {e}')
return result
@noKwargs
def load(self, state, args, kwargs):
sources = typeslistify(args, (str, mesonlib.File))
if len(sources) != 1:
raise InvalidCode('load takes only one file input.')
s = sources[0]
is_built = False
if isinstance(s, mesonlib.File):
is_built = is_built or s.is_built
s = s.absolute_path(self.interpreter.environment.source_dir, self.interpreter.environment.build_dir)
else:
s = os.path.join(self.interpreter.environment.source_dir, s)
if s not in self.interpreter.build_def_files and not is_built:
self.interpreter.build_def_files.append(s)
return self._load_file(s)
def initialize(*args, **kwargs):
return KeyvalModule(*args, **kwargs)
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