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import os
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from calculate.utils.files import stderr_devnull
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from calculate.utils.files import read_link, FilesError
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from calculate.variables.datavars import Variable, Namespace, Dependence,\
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StringType, TableType
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def import_variables():
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'''
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gentoo:
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make_profile -> string
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profile:
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path -> string
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name -> string
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repositories[*]{name, path} -> table
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config -> undefined
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'''
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# Путь до файла, указывающего на активный профиль
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Variable('make_profile', type=StringType,
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source='/etc/portage/make.profile')
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# Параметры текущего профиля.
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with Namespace('profile'):
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def get_profile_link(make_profile):
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make_profile_dir = os.path.dirname(make_profile.value)
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try:
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profile_link = read_link(make_profile.value)
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except FilesError:
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return ""
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if profile_link:
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profile_link = os.path.normpath(os.path.join(make_profile_dir,
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profile_link))
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return profile_link
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else:
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return ""
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# Абсолютный путь до профиля
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Variable('path', type=StringType,
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source=Dependence('..make_profile', depend=get_profile_link))
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def get_profile_name(path, repositories):
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profile_path = path.value
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if not profile_path:
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return ""
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for repository in repositories.value:
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repository_path = repository['path']
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repository_name = repository['name']
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remove_part = os.path.normpath(os.path.join(repository_path,
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"profiles"))
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if profile_path.startswith(remove_part):
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return "{}:{}".format(repository_name,
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profile_path[len(remove_part) + 1:])
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return profile_path
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# Название профиля
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Variable('name', type=StringType,
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source=Dependence('.path', '..repositories',
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depend=get_profile_name))
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def get_repository_table(config):
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return [{'name': name,
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'path': path}
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for path, name
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in config.value.repositories.location_map.items()]
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# Информация о репозиториях
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# name: имя репозитория
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# path: полный путь до репозитория
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Variable('repositories', type=TableType,
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source=Dependence('.config', depend=get_repository_table))
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def get_config_object(chroot_path):
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from portage.package.ebuild.config import config
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if chroot_path.value == '/':
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with stderr_devnull():
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return config()
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# Объект текущей конфигурации Portage
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Variable('config', source=Dependence('main.cl_chroot_path',
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depend=get_config_object))
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