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95 lines
3.8 KiB
95 lines
3.8 KiB
# Copyright 2016-2017 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 sysconfig |
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import typing as T |
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from .. import mesonlib |
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from . import ExtensionModule, ModuleInfo, ModuleState |
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from ..build import ( |
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BuildTarget, CustomTarget, CustomTargetIndex, ExtractedObjects, |
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GeneratedList, SharedModule, StructuredSources, known_shmod_kwargs |
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) |
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from ..interpreter.type_checking import SHARED_MOD_KWS |
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from ..interpreterbase import typed_kwargs, typed_pos_args, noPosargs, noKwargs, permittedKwargs |
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from ..programs import ExternalProgram |
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if T.TYPE_CHECKING: |
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from ..interpreter.interpreter import BuildTargetSource |
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from ..interpreter.kwargs import SharedModule as SharedModuleKW |
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_MOD_KWARGS = [k for k in SHARED_MOD_KWS if k.name not in {'name_prefix', 'name_suffix'}] |
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class Python3Module(ExtensionModule): |
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INFO = ModuleInfo('python3', '0.38.0', deprecated='0.48.0') |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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self.methods.update({ |
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'extension_module': self.extension_module, |
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'find_python': self.find_python, |
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'language_version': self.language_version, |
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'sysconfig_path': self.sysconfig_path, |
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}) |
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@permittedKwargs(known_shmod_kwargs - {'name_prefix', 'name_suffix'}) |
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@typed_pos_args('python3.extension_module', str, varargs=(str, mesonlib.File, CustomTarget, CustomTargetIndex, GeneratedList, StructuredSources, ExtractedObjects, BuildTarget)) |
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@typed_kwargs('python3.extension_module', *_MOD_KWARGS, allow_unknown=True) |
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def extension_module(self, state: ModuleState, args: T.Tuple[str, T.List[BuildTargetSource]], kwargs: SharedModuleKW): |
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host_system = state.host_machine.system |
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if host_system == 'darwin': |
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# Default suffix is 'dylib' but Python does not use it for extensions. |
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suffix = 'so' |
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elif host_system == 'windows': |
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# On Windows the extension is pyd for some unexplainable reason. |
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suffix = 'pyd' |
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else: |
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suffix = [] |
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kwargs['name_prefix'] = '' |
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kwargs['name_suffix'] = suffix |
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return self.interpreter.build_target(state.current_node, args, kwargs, SharedModule) |
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@noPosargs |
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@noKwargs |
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def find_python(self, state, args, kwargs): |
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command = state.environment.lookup_binary_entry(mesonlib.MachineChoice.HOST, 'python3') |
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if command is not None: |
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py3 = ExternalProgram.from_entry('python3', command) |
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else: |
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py3 = ExternalProgram('python3', mesonlib.python_command, silent=True) |
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return py3 |
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@noPosargs |
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@noKwargs |
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def language_version(self, state, args, kwargs): |
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return sysconfig.get_python_version() |
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@noKwargs |
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@typed_pos_args('python3.sysconfig_path', str) |
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def sysconfig_path(self, state, args, kwargs): |
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path_name = args[0] |
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valid_names = sysconfig.get_path_names() |
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if path_name not in valid_names: |
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raise mesonlib.MesonException(f'{path_name} is not a valid path name {valid_names}.') |
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# Get a relative path without a prefix, e.g. lib/python3.6/site-packages |
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return sysconfig.get_path(path_name, vars={'base': '', 'platbase': '', 'installed_base': ''})[1:] |
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def initialize(*args, **kwargs): |
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return Python3Module(*args, **kwargs)
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