def update_settings(settings, file_path):
"""merge settings in 'file_path' with 'settings'
:param settings: settings to be merge with (configure.Configuration)
:param file_path: path to file with settings to be merged
:return: merged settings
"""
LOG.debug("Loading setting file: %s" % file_path)
if not os.path.exists(file_path):
raise exceptions.IRFileNotFoundException(file_path)
try:
loaded_file = configure.Configuration.from_file(file_path).configure()
placeholders_list = cli.yamls.Placeholder.placeholders_list
for placeholder in placeholders_list[::-1]:
if placeholder.file_path is None:
placeholder.file_path = file_path
else:
break
except yaml.constructor.ConstructorError as e:
raise exceptions.IRYAMLConstructorError(e, file_path)
settings = settings.merge(loaded_file)
return settings
def load_config_file():
"""Load config file order(ENV, CWD, USER HOME, SYSTEM).
:return ConfigParser: config object
"""
# create a parser with default path to InfraRed's main dir
cwd_path = os.path.join(os.getcwd(), utils.IR_CONF_FILE)
_config = ConfigParser.ConfigParser()
env_path = os.getenv(utils.ENV_VAR_NAME, None)
if env_path is not None:
env_path = os.path.expanduser(env_path)
if os.path.isdir(env_path):
env_path = os.path.join(env_path, utils.IR_CONF_FILE)
for path in (env_path, cwd_path, utils.USER_PATH, utils.SYSTEM_PATH):
if path is not None and os.path.exists(path):
_config.read(path)
break
else:
LOG.warning("Configuration file not found, using InfraRed project dir")
project_dir = os.path.dirname(os.path.dirname(__file__))
_config.add_section('defaults')
for option, value in DEFAULT_CONF_DIRS.iteritems():
_config.set('defaults', option, os.path.join(project_dir, value))
# Validates settings dir exists
settings_dir = _config.get('defaults', 'settings')
if not os.path.exists(settings_dir):
raise exceptions.IRFileNotFoundException(
settings_dir, "Settings directory doesn't exist: ")
return _config
def validate(self):
"""
Validates the configuration.
"""
# Validates at least one settings dir exists
dirs = self.get_settings_dirs()
if not any([os.path.exists(path) for path in dirs]):
raise exceptions.IRFileNotFoundException(
dirs, "Settings directories do not exist: ")
def load_yaml(filename, search_first):
"""Find YAML file. search default path first.
:param filename: path to file
:param search_first: default path to search first
:returns: dict. loaded YAML file.
"""
filename = os.path.join(search_first, filename) if os.path.exists(
os.path.join(search_first, filename)) else filename
if os.path.exists(os.path.abspath(filename)):
LOG.debug("Loading YAML file: %s" %
os.path.abspath(filename))
path = os.path.abspath(filename)
else:
raise exceptions.IRFileNotFoundException(
file_path=os.path.abspath(filename))
with open(path) as yaml_file:
return yaml.load(yaml_file)
def normalize_file(file_path):
"""Return a normalized absolutized version of a file
:param file_path: path to file to be normalized
:return: normalized path of a file
:raise: IRFileNotFoundException if the file doesn't exist
"""
if not os.path.isabs(file_path):
abspath = os.path.abspath(file_path)
LOG.debug(
'Setting the absolute path of "%s" to: "%s"'
% (file_path, abspath)
)
file_path = abspath
if not os.path.exists(file_path):
raise exceptions.IRFileNotFoundException(file_path)
return file_path