def _do_set_or_frozenset_item(self, items, func):
for path, value in items.items():
elements = _path_to_elements(path)
parent = _get_nested_obj(obj=self, elements=elements[:-1])
elem, action = elements[-1]
obj = self._get_elem_and_compare_to_old_value(
parent,
path_for_err_reporting=path,
expected_old_value=None,
elem=elem,
action=action)
new_value = getattr(obj, func)(value)
self._simple_set_elem_value(parent,
path_for_err_reporting=path,
elem=elem,
value=new_value,
action=action)
def _get_elements_and_details(self, path):
try:
elements = _path_to_elements(path)
if len(elements) > 1:
parent = _get_nested_obj(obj=self, elements=elements[:-2])
parent_to_obj_elem, parent_to_obj_action = elements[-2]
obj = self._get_elem_and_compare_to_old_value(
obj=parent,
path_for_err_reporting=path,
expected_old_value=None,
elem=parent_to_obj_elem,
action=parent_to_obj_action)
else:
parent = parent_to_obj_elem = parent_to_obj_action = None
obj = _get_nested_obj(obj=self, elements=elements[:-1])
elem, action = elements[-1]
except Exception as e:
self._raise_or_log(UNABLE_TO_GET_ITEM_MSG.format(path, e))
return None
else:
if obj is not_found:
return None
return elements, parent, parent_to_obj_elem, parent_to_obj_action, obj, elem, action
def test_path_to_elements(path, expected):
result = _path_to_elements(path, root_element=None)
assert tuple(expected) == result