f10718043e
The `load_config` function in the includehandler already checks for the file extension, so checking it before that, is redundant. Signed-off-by: Claudius Heine <ch@denx.de>
427 lines
13 KiB
Python
427 lines
13 KiB
Python
# kas - setup tool for bitbake based projects
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#
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# Copyright (c) Siemens AG, 2017
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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 configuration.
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"""
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import os
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import logging
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import errno
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try:
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from distro import id as get_distro_id
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except ImportError:
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import platform
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def get_distro_id():
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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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from .repos import Repo
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from .libkas import run_cmd, repos_fetch, repo_checkout
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__license__ = 'MIT'
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__copyright__ = 'Copyright (c) Siemens AG, 2017'
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class Config:
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"""
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This is an abstract class, that defines the interface of the
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kas configuration.
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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.environ = {}
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self._config = {}
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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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def setup_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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distro_id = get_distro_id()
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if distro_id.lower() 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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elif distro_id.lower() in ['debian', 'ubuntu']:
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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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else:
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logging.warning('kas: Unsupported distro. No default locales set.')
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self.environ = {}
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def get_repo_ref_dir(self):
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"""
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The path to the directory that contains the repository references.
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"""
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# pylint: disable=no-self-use
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return os.environ.get('KAS_REPO_REF_DIR', None)
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def get_proxy_config(self):
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"""
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Returns the proxy settings
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"""
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proxy_config = self._config.get('proxy_config', {})
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return {var_name: os.environ.get(var_name,
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proxy_config.get(var_name, ''))
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for var_name in ['http_proxy',
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'https_proxy',
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'no_proxy']}
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def get_repos(self):
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"""
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Returns the list of repos.
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"""
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# pylint: disable=no-self-use
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return []
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def pre_hook(self, fname):
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"""
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Returns a function that is executed before every command or None.
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"""
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# pylint: disable=unused-argument
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pass
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def post_hook(self, fname):
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"""
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Returs a function that is executed after every command or None.
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"""
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# pylint: disable=unused-argument
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pass
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def get_hook(self, fname):
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"""
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Returns a function that is executed instead of the command or None.
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"""
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# pylint: disable=unused-argument
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pass
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def get_bitbake_target(self):
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"""
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Return the bitbake target
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"""
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return os.environ.get('KAS_TARGET',
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self._config.get('target',
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'core-image-minimal'))
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def _get_conf_header(self, header_name):
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"""
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Returns the local.conf header
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"""
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header = ''
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for key, value in self._config.get(header_name, {}).items():
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header += '# {}\n{}\n'.format(key, value)
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return header
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def get_bblayers_conf_header(self):
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"""
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Returns the bblayers.conf header
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"""
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return self._get_conf_header('bblayers_conf_header')
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def get_local_conf_header(self):
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"""
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Returns the local.conf header
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"""
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return self._get_conf_header('local_conf_header')
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def get_machine(self):
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"""
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Returns the machine
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"""
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return os.environ.get('KAS_MACHINE',
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self._config.get('machine', 'qemu'))
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def get_distro(self):
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"""
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Returns the distro
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"""
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return os.environ.get('KAS_DISTRO',
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self._config.get('distro', 'poky'))
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def get_gitlabci_config(self):
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"""
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Returns the GitlabCI configuration
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"""
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return self._config.get('gitlabci_config', '')
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class ConfigPython(Config):
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"""
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Implementation of a configuration that uses a Python script.
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"""
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def __init__(self, filename, target):
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# pylint: disable=exec-used
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super().__init__()
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self.filename = os.path.abspath(filename)
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try:
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with open(self.filename) as fds:
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env = {}
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data = fds.read()
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exec(data, env)
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self._config = env
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except IOError:
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raise IOError(errno.ENOENT, os.strerror(errno.ENOENT),
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self.filename)
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self.create_config(target)
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self.setup_environ()
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def __str__(self):
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output = 'target: {}\n'.format(self.target)
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output += 'repos:\n'
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for repo in self.get_repos():
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output += ' {}\n'.format(repo.__str__())
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output += 'environ:\n'
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for key, value in self.environ.items():
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output += ' {} = {}\n'.format(key, value)
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output += 'proxy:\n'
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for key, value in self.get_proxy_config().items():
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output += ' {} = {}\n'.format(key, value)
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return output
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def pre_hook(self, fname):
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try:
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self._config[fname + '_prepend'](self)
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except KeyError:
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pass
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def post_hook(self, fname):
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try:
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self._config[fname + '_append'](self)
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except KeyError:
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pass
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def get_hook(self, fname):
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try:
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return self._config[fname]
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except KeyError:
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return None
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def create_config(self, target):
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"""
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Sets the configuration for `target`
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"""
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self.target = target
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self.repos = self._config['get_repos'](self, target)
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def get_proxy_config(self):
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return self._config['get_proxy_config']()
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def get_repos(self):
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return iter(self.repos)
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def get_target(self):
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"""
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Returns the target
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"""
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return self.target
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def get_bitbake_target(self):
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"""
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Return the bitbake target
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"""
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try:
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return self._config['get_bitbake_target'](self)
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except KeyError:
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return self.target
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def get_bblayers_conf_header(self):
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"""
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Returns the bblayers.conf header
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"""
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try:
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return self._config['get_bblayers_conf_header']()
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except KeyError:
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return ''
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def get_local_conf_header(self):
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"""
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Returns the local.conf header
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"""
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try:
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return self._config['get_local_conf_header']()
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except KeyError:
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return ''
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def get_machine(self):
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"""
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Returns the machine
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"""
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try:
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return self._config['get_machine'](self)
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except KeyError:
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return 'qemu'
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def get_distro(self):
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"""
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Returns the distro
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"""
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try:
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return self._config['get_distro'](self)
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except KeyError:
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return 'poky'
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def get_gitlabci_config(self):
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"""
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Returns the GitlabCI configuration
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"""
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try:
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return self._config['get_gitlabci_config'](self)
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except KeyError:
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return ''
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class ConfigStatic(Config):
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"""
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Implements the static kas configuration based on config files.
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"""
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def __init__(self, filename, _):
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from .includehandler import GlobalIncludes, IncludeException
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super().__init__()
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self.setup_environ()
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self.filename = os.path.abspath(filename)
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self.handler = GlobalIncludes(self.filename)
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repo_paths = {}
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missing_repo_names_old = []
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(self._config, missing_repo_names) = \
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self.handler.get_config(repos=repo_paths)
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self.environ.update(self.get_proxy_config())
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while missing_repo_names:
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if missing_repo_names == missing_repo_names_old:
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raise IncludeException('Could not fetch all repos needed by '
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'includes.')
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repo_dict = self.get_repo_dict()
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missing_repos = [repo_dict[repo_name]
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for repo_name in missing_repo_names]
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repos_fetch(self, missing_repos)
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for repo in missing_repos:
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repo_checkout(self, repo)
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repo_paths = {r: repo_dict[r].path for r in repo_dict}
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missing_repo_names_old = missing_repo_names
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(self._config, missing_repo_names) = \
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self.handler.get_config(repos=repo_paths)
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def get_repos(self):
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"""
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Returns the list of repos.
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"""
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return list(self.get_repo_dict().values())
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def get_repo_dict(self):
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"""
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Returns a dictionary containing the repositories with
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their name (as it is defined in the config file) as key
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and the `Repo` instances as value.
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"""
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repo_config_dict = self._config.get('repos', {})
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repo_dict = {}
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for repo in repo_config_dict:
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repo_config_dict[repo] = repo_config_dict[repo] or {}
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layers_dict = repo_config_dict[repo].get('layers', {})
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layers = list(filter(lambda x, laydict=layers_dict:
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str(laydict[x]).lower() not in
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['disabled', 'excluded', 'n', 'no', '0',
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'false'],
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layers_dict))
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url = repo_config_dict[repo].get('url', None)
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name = repo_config_dict[repo].get('name', repo)
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refspec = repo_config_dict[repo].get('refspec', None)
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path = repo_config_dict[repo].get('path', None)
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if url is None:
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# No git operation on repository
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if path is None:
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# In-tree configuration
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path = os.path.dirname(self.filename)
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(_, output) = run_cmd(['/usr/bin/git',
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'rev-parse',
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'--show-toplevel'],
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cwd=path,
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env=self.environ)
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path = output.strip()
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url = path
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rep = Repo(url=url,
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path=path,
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layers=layers)
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rep.disable_git_operations()
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else:
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path = path or os.path.join(self.kas_work_dir, name)
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rep = Repo(url=url,
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path=path,
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refspec=refspec,
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layers=layers)
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repo_dict[repo] = rep
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return repo_dict
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def load_config(filename, target):
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"""
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Return configuration generated from `filename`.
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"""
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(_, ext) = os.path.splitext(filename)
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if ext == '.py':
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cfg = ConfigPython(filename, target)
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else:
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cfg = ConfigStatic(filename, target)
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return cfg
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