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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.
import os
import typing as T
from . import ExtensionModule, ModuleInfo
from .. import mesonlib
from ..interpreterbase import noKwargs, typed_pos_args
if T.TYPE_CHECKING:
from ..interpreter import Interpreter
from . import ModuleState
class KeyvalModule(ExtensionModule):
INFO = ModuleInfo('keyval', '0.55.0', stabilized='0.56.0')
def __init__(self, interp: 'Interpreter'):
super().__init__(interp)
self.methods.update({
'load': self.load,
})
@staticmethod
def _load_file(path_to_config: str) -> T.Dict[str, str]:
result: T.Dict[str, str] = {}
try:
with open(path_to_config, encoding='utf-8') 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
@typed_pos_args('keyval.laod', (str, mesonlib.File))
def load(self, state: 'ModuleState', args: T.Tuple['mesonlib.FileOrString'], kwargs: T.Dict[str, T.Any]) -> T.Dict[str, str]:
s = args[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 not is_built:
self.interpreter.build_def_files.add(s)
return self._load_file(s)
def initialize(interp: 'Interpreter') -> KeyvalModule:
return KeyvalModule(interp)
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