def all_words(): return [i for i in db_session.query(Word).all()]
def delete_word(word): db_session.query(Word).filter_by(_word=word).delete() db_session.commit()
def save_word_if_not_exists(word): result = db_session.query(Word) \ .filter(Word._word == word.word).limit(1) for model in result: return model return save_model(word)