base.py 文件源码

def __init__(self, match_fn=TermMatch, binary=True, dtype=np.bool_,
                 **cv_params):
        """initializes a Matching object

        :match_fn: A matching function of signature `docs, query`
                    -> indices of matching docs
        :binary: Store only binary term occurrences.
        :dtype: Data type of internal feature matrix
        :cv_params: Parameter for the count vectorizer such as lowercase=True

        """
        # RetrievalBase.__init__(self)

        self._match_fn = match_fn
        self._vect = CountVectorizer(binary=binary, dtype=dtype,
                                     **cv_params)