def _get(self, key_path, key_index=0, default=UndefinedKey):
key_elt = key_path[key_index]
elt = super(ConfigTree, self).get(key_elt, UndefinedKey)
if elt is UndefinedKey:
if default is UndefinedKey:
raise ConfigMissingException(
u"No configuration setting found for key {key}".format(
key='.'.join(key_path[:key_index + 1])))
else:
return default
if key_index == len(key_path) - 1:
if isinstance(elt, NoneValue):
return None
else:
return elt
elif isinstance(elt, ConfigTree):
return elt._get(key_path, key_index + 1, default)
else:
if default is UndefinedKey:
raise ConfigWrongTypeException(
u"{key} has type {type} rather than dict".format(
key='.'.join(key_path[:key_index + 1]),
type=type(elt).__name__))
else:
return default
def _get(self, key_path, key_index=0):
key_elt = key_path[key_index]
elt = self._dictionary.get(key_elt)
if elt is None:
raise ConfigMissingException(
"No configuration setting found for key {key}".format(
key='.'.join(key_path[:key_index + 1])))
if key_index == len(key_path) - 1:
return elt
elif isinstance(elt, ConfigTree):
return elt._get(key_path, key_index + 1)
else:
raise ConfigWrongTypeException(
"{key} has type {type} rather than dict".format(
key='.'.join(key_path[:key_index + 1]),
type=type(elt).__name__))