search.py 文件源码

def __init__(self, vector, query, **extra):
        if not hasattr(vector, 'resolve_expression'):
            vector = SearchVector(vector)
        if not hasattr(query, 'resolve_expression'):
            query = SearchQuery(query)
        weights = extra.get('weights')
        if weights is not None and not hasattr(weights, 'resolve_expression'):
            weights = Value(weights)
        self.weights = weights
        super(SearchRank, self).__init__(vector, query, **extra)