def from_absolute_encodings(mapping, is_encoded):
assert mapping.is_encoded is None or mapping.is_encoded == True
assert is_encoded == True
new = Mapping(include_characters=mapping._include_characters, is_encoded=True, train=None)
for key in mapping.strings_map:
if not key in ["<pad>", "<unk>", "<none>", "<root>", "<anchor>"]:
if Lemmatizer.is_absolute_lemma_rule(key):
new.strings_map[key] = len(new.strings)
new.strings.append(key)
return new
