This helps to avoid circular dependencies. It also allows the Config constructor to make use of the global context. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
130 lines
4.0 KiB
Python
130 lines
4.0 KiB
Python
# kas - setup tool for bitbake based projects
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#
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# Copyright (c) Siemens AG, 2018
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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"""
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This module contains the implementation of the kas context.
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"""
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import os
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import logging
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try:
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import distro
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def get_distro_id_base():
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"""
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Returns a compatible distro id.
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"""
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return distro.like() or distro.id()
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except ImportError:
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import platform
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def get_distro_id_base():
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"""
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Wrapper around platform.dist to simulate distro.id
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platform.dist is deprecated and will be removed in python 3.7
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Use the 'distro' package instead.
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"""
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# pylint: disable=deprecated-method
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return platform.dist()[0]
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__context__ = None
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def create_global_context():
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"""
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Create global context as singleton.
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"""
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# pylint: disable=global-statement
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global __context__
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__context__ = Context()
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return __context__
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def get_context():
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"""
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Return singleton global context.
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"""
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return __context__
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# pylint: disable=too-many-instance-attributes
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class Context:
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"""
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Implements the kas build context.
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"""
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def __init__(self):
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self.__kas_work_dir = os.environ.get('KAS_WORK_DIR', os.getcwd())
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self.__kas_repo_ref_dir = os.environ.get('KAS_REPO_REF_DIR', None)
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self.setup_initial_environ()
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self.keep_config = False
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self.config = None
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def setup_initial_environ(self):
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"""
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Sets the environment variables for process that are
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started by kas.
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"""
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self.environ = {}
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distro_bases = get_distro_id_base().lower().split()
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for distro_base in distro_bases:
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if distro_base in ['fedora', 'suse', 'opensuse']:
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self.environ = {'LC_ALL': 'en_US.utf8',
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'LANG': 'en_US.utf8',
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'LANGUAGE': 'en_US'}
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break
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elif distro_base in ['debian', 'ubuntu', 'gentoo']:
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self.environ = {'LC_ALL': 'en_US.UTF-8',
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'LANG': 'en_US.UTF-8',
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'LANGUAGE': 'en_US:en'}
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break
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if self.environ == {}:
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logging.warning('kas: No supported distros found in %s. '
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'No default locales set.', distro_bases)
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for key in ['http_proxy', 'https_proxy', 'ftp_proxy', 'no_proxy']:
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val = os.environ.get(key, None)
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if val:
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self.environ[key] = val
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@property
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def build_dir(self):
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"""
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The path of the build directory
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"""
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return os.path.join(self.__kas_work_dir, 'build')
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@property
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def kas_work_dir(self):
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"""
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The path to the kas work directory
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"""
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return self.__kas_work_dir
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@property
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def kas_repo_ref_dir(self):
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"""
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The reference directory for the repo
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"""
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return self.__kas_repo_ref_dir
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