def _check_implicit_items(self, node: ast.For) -> None:
iterable = source.node_to_string(node.iter)
target = source.node_to_string(node.target)
for sub in ast.walk(node):
has_violation = (isinstance(sub, ast.Subscript)
and not self._is_assigned_target(sub)
and slices.is_same_slice(iterable, target, sub))
if has_violation:
self.add_violation(ImplicitItemsIteratorViolation(node))
break
def _check_implicit_get(self, node: ast.If) -> None:
if not isinstance(node.test, ast.Compare):
return
if not isinstance(node.test.ops[0], ast.In):
return
checked_key = source.node_to_string(node.test.left)
checked_collection = source.node_to_string(node.test.comparators[0])
for sub in ast.walk(node):
if not isinstance(sub, ast.Subscript):
continue
if slices.is_same_slice(checked_collection, checked_key, sub):
self.add_violation(refactoring.ImplicitDictGetViolation(sub))
