def run_cli():
try:
# load all components
ext_mgr = ExtensionManager()
ext_mgr.add_builtin_path()
ext_mgr.load()
# prepare local environment xii runs in
paths.prepare_local_paths()
# parse arguments
parser = cli_arg_parser(ext_mgr)
cli_args = parser.parse_args()
# load variable store
store = Store()
# initialize variables
init_runtime(store, cli_args)
# parse definifition file
defn = util.jinja_read(store.get("runtime/definition"), store)
# construct component configurations
definition.prepare_store(defn, store)
# get command
cmd = ext_mgr.get_command(cli_args.command)
if not cmd:
warn("Invalid command `{}`. Command not unknown.".format(
cli_args.command))
return 1
command_arg_parser = cmd["class"].argument_parser()
command_args = command_arg_parser.parse_args(cli_args.command_args)
store.set("command/args", vars(command_args))
instance = cmd["class"](command_args, cmd["templates"], store)
prepare_command(instance, ext_mgr)
return instance.run()
except Interrupted:
warn("interrupted... stopping immediately!")
return 1
except XiiError as e:
it = iter(e.error())
warn(e.error_title() + ": " + next(it))
for line in it:
warn(line)
return 1
def settings(self, key=None, default=None):
"""return validated settings
This function will return the searched key or all settings if
not `key` is specified.
Args:
key: Search key eg. "settingsdict/key1" or "foo" or None
default: If key is not found in settings default is returned
Returns:
Value specified in `default` or None
"""
if self.store().has_key(self.atype):
s = self.store().derive(self.atype)
elif self.has_defaults():
s = Store(parent=self.defaults)
else:
raise error.Bug("Try to get default settings for {} but "
"no defaults are defined".format(self.entity()))
if key is None:
return s.values()
return s.get(key, default)
