def load(self, path="", data=None, mtime=None, relative=True):
"""
Loads the configuration from disk.
It may raise NonExistingSchema exception.
:param path: if relative=True, this is a relative path
to configuration. The absolute path
will be calculated depending on the platform
:type path: str
:param relative: if True, path is relative. If False, it's absolute.
:type relative: bool
:return: True if loaded from disk correctly, False otherwise
:rtype: bool
"""
if relative is True:
config_path = os.path.join(self.get_path_prefix(), path)
else:
config_path = path
schema = self._get_spec()
leap_check(schema is not None, "There is no schema to use.",
NonExistingSchema)
self._config_checker = PluggableConfig(format="json")
self._config_checker.options = copy.deepcopy(schema)
try:
if data is None:
self._config_checker.load(fromfile=config_path, mtime=mtime)
else:
self._config_checker.load(data, mtime=mtime)
except Exception as e:
logger.error("Something went wrong while loading " +
"the config from %s\n%s" % (config_path, e))
self._config_checker = None
return False
return True
