corrector.py 文件源码

def suggest(word, cutoff=0.77):
    """
    Given a domain and a cutoff heuristic, suggest an alternative or return the
    original domain if no suggestion exists.
    """
    if word in LOOKUP_TABLE:
        return LOOKUP_TABLE[word]

    guess = difflib.get_close_matches(word, MOST_COMMON_DOMAINS, n=1, cutoff=cutoff)
    if guess and len(guess) > 0:
        return guess[0]
    return word