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- # Copyright 2016-2017 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 sysconfig
- from .. import mesonlib, dependencies
- from . import ExtensionModule
- from mesonbuild.modules import ModuleReturnValue
- from ..interpreterbase import noKwargs, permittedKwargs, FeatureDeprecated
- from ..build import known_shmod_kwargs
- class Python3Module(ExtensionModule):
- @FeatureDeprecated('python3 module', '0.48.0')
- def __init__(self, *args, **kwargs):
- super().__init__(*args, **kwargs)
- self.snippets.add('extension_module')
- @permittedKwargs(known_shmod_kwargs)
- def extension_module(self, interpreter, state, args, kwargs):
- if 'name_prefix' in kwargs:
- raise mesonlib.MesonException('Name_prefix is set automatically, specifying it is forbidden.')
- if 'name_suffix' in kwargs:
- raise mesonlib.MesonException('Name_suffix is set automatically, specifying it is forbidden.')
- host_system = state.host_machine.system
- if host_system == 'darwin':
- # Default suffix is 'dylib' but Python does not use it for extensions.
- suffix = 'so'
- elif host_system == 'windows':
- # On Windows the extension is pyd for some unexplainable reason.
- suffix = 'pyd'
- else:
- suffix = []
- kwargs['name_prefix'] = ''
- kwargs['name_suffix'] = suffix
- return interpreter.func_shared_module(None, args, kwargs)
- @noKwargs
- def find_python(self, state, args, kwargs):
- command = state.environment.lookup_binary_entry(mesonlib.MachineChoice.HOST, 'python3')
- if command is not None:
- py3 = dependencies.ExternalProgram.from_entry('python3', command)
- else:
- py3 = dependencies.ExternalProgram('python3', mesonlib.python_command, silent=True)
- return ModuleReturnValue(py3, [py3])
- @noKwargs
- def language_version(self, state, args, kwargs):
- return ModuleReturnValue(sysconfig.get_python_version(), [])
- @noKwargs
- def sysconfig_path(self, state, args, kwargs):
- if len(args) != 1:
- raise mesonlib.MesonException('sysconfig_path() requires passing the name of path to get.')
- path_name = args[0]
- valid_names = sysconfig.get_path_names()
- if path_name not in valid_names:
- raise mesonlib.MesonException('{} is not a valid path name {}.'.format(path_name, valid_names))
- # Get a relative path without a prefix, e.g. lib/python3.6/site-packages
- path = sysconfig.get_path(path_name, vars={'base': '', 'platbase': '', 'installed_base': ''})[1:]
- return ModuleReturnValue(path, [])
- def initialize(*args, **kwargs):
- return Python3Module(*args, **kwargs)
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