The Meson Build System
http://mesonbuild.com/
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75 lines
2.5 KiB
75 lines
2.5 KiB
# Copyright 2017, 2019 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from __future__ import annotations |
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import os |
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import typing as T |
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from . import ExtensionModule, ModuleInfo |
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from .. import mesonlib |
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from ..interpreterbase import noKwargs, typed_pos_args |
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if T.TYPE_CHECKING: |
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from ..interpreter import Interpreter |
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from . import ModuleState |
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class KeyvalModule(ExtensionModule): |
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INFO = ModuleInfo('keyval', '0.55.0', stabilized='0.56.0') |
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def __init__(self, interp: 'Interpreter'): |
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super().__init__(interp) |
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self.methods.update({ |
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'load': self.load, |
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}) |
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@staticmethod |
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def _load_file(path_to_config: str) -> T.Dict[str, str]: |
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result: T.Dict[str, str] = {} |
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try: |
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with open(path_to_config, encoding='utf-8') as f: |
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for line in f: |
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if '#' in line: |
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comment_idx = line.index('#') |
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line = line[:comment_idx] |
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line = line.strip() |
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try: |
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name, val = line.split('=', 1) |
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except ValueError: |
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continue |
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result[name.strip()] = val.strip() |
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except OSError as e: |
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raise mesonlib.MesonException(f'Failed to load {path_to_config}: {e}') |
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return result |
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@noKwargs |
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@typed_pos_args('keyval.load', (str, mesonlib.File)) |
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def load(self, state: 'ModuleState', args: T.Tuple['mesonlib.FileOrString'], kwargs: T.Dict[str, T.Any]) -> T.Dict[str, str]: |
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s = args[0] |
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is_built = False |
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if isinstance(s, mesonlib.File): |
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is_built = is_built or s.is_built |
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s = s.absolute_path(self.interpreter.environment.source_dir, self.interpreter.environment.build_dir) |
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else: |
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s = os.path.join(self.interpreter.environment.source_dir, s) |
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if not is_built: |
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self.interpreter.build_def_files.add(s) |
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return self._load_file(s) |
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def initialize(interp: 'Interpreter') -> KeyvalModule: |
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return KeyvalModule(interp)
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