Config.has_changed didn't work reliably so far, so the state cache was only allowing to associate a work directory with configuration file. However this was rather unintuitive, specifically when moving the work dir to a different home - nothing told the user about the persistent association. We therefore agreed to remove the state cache for now. It can be reintroduced at any time once a consistent usage model exists. To establish a relationship to a work directory inside a shell session, kas now evaluates the KAS_WORK_DIR environment variable. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
309 lines
9.0 KiB
Python
309 lines
9.0 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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import os
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import sys
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import logging
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import errno
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import json
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import platform
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import yaml
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from .repos import Repo
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from .libkas import run_cmd
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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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def __init__(self):
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self.__kas_work_dir = os.environ.get('KAS_WORK_DIR', os.getcwd())
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@property
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def build_dir(self):
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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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return self.__kas_work_dir
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def setup_environ(self):
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(distro, version, id) = platform.dist()
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if distro in ['fedora', 'SuSE']:
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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 in ['Ubuntu', 'debian']:
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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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return os.environ.get('KAS_REPO_REF_DIR', None)
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class ConfigPython(Config):
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def __init__(self, filename, target):
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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 file:
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env = {}
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data = file.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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s = 'target: {}\n'.format(self.target)
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s += 'repos:\n'
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for r in self.get_repos():
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s += ' {}\n'.format(r.__str__())
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s += 'environ:\n'
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for k, v in self.environ.items():
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s += ' {} = {}\n'.format(k, v)
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s += 'proxy:\n'
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for k, v in self.get_proxy_config().items():
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s += ' {} = {}\n'.format(k, v)
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return s
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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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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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return self.target
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def get_bitbake_target(self):
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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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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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try:
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return self._config['get_local_conf_header']()
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except:
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return ''
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def get_machine(self):
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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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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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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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def __init__(self, filename, target):
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super().__init__()
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self.filename = os.path.abspath(filename)
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self._config = []
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def pre_hook(self, target):
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pass
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def post_hook(self, target):
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pass
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def get_hook(self, fname):
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return None
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def get_proxy_config(self):
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try:
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return self._config['proxy_config']
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except KeyError:
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return {'http_proxy': os.environ.get('http_proxy', ''),
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'https_proxy': os.environ.get('https_proxy', ''),
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'no_proxy': os.environ.get('no_proxy', '')}
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def get_repos(self):
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repos = []
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for repo in self._config['repos']:
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try:
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sublayers = repo['sublayers']
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except KeyError:
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sublayers = None
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url = repo['url']
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if url == '':
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# in-tree configuration
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(rc, output) = run_cmd(['/usr/bin/git',
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'rev-parse',
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'--show-toplevel'],
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cwd=os.path.dirname(self.filename),
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env=self.environ)
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url = output.strip()
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r = Repo(url=url,
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path=url,
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sublayers=sublayers)
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r.disable_git_operations()
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else:
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name = os.path.basename(os.path.splitext(url)[0])
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r = Repo(url=url,
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path=os.path.join(self.kas_work_dir, name),
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refspec=repo['refspec'],
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sublayers=sublayers)
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repos.append(r)
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return repos
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def get_bitbake_target(self):
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try:
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return self._config['target']
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except KeyError:
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return 'core-image-minimal'
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def get_bblayers_conf_header(self):
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try:
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return self._config['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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try:
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return self._config['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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try:
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return self._config['machine']
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except KeyError:
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return 'qemu'
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def get_distro(self):
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try:
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return self._config['distro']
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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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try:
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return self._config['gitlabci_config']
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except KeyError:
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return ''
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class ConfigJson(ConfigStatic):
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def __init__(self, filename, target):
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super().__init__(filename, target)
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self.filename = os.path.abspath(filename)
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try:
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with open(self.filename, 'r') as f:
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self._config = json.load(f)
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except json.decoder.JSONDecodeError as msg:
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logging.error('Could not load JSON config: {}'.format(msg))
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sys.exit(1)
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self.setup_environ()
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def get_bblayers_conf_header(self):
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list = super().get_bblayers_conf_header()
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conf = ''
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for line in list:
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conf += str(line) + '\n'
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return conf
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def get_local_conf_header(self):
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list = super().get_local_conf_header()
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conf = ''
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for line in list:
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conf += str(line) + '\n'
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return conf
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class ConfigYaml(ConfigStatic):
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def __init__(self, filename, target):
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super().__init__(filename, target)
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self.filename = os.path.abspath(filename)
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try:
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with open(self.filename, 'r') as f:
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self._config = yaml.load(f)
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except yaml.loader.ParserError as msg:
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logging.error('Could not load YAML config: {}'.format(msg))
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sys.exit(1)
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self.setup_environ()
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def load_config(filename, target):
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f, ext = os.path.splitext(filename)
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if ext == '.py':
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cfg = ConfigPython(filename, target)
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elif ext == '.json':
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cfg = ConfigJson(filename, target)
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elif ext == '.yml':
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cfg = ConfigYaml(filename, target)
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else:
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logging.error('Config file extenstion not recognized')
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sys.exit(1)
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return cfg
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