whatstyle.py 文件源码

def mget(self, keys):
        # type: (List[str]) -> List[Optional[bytes]]
        if not keys:
            return []
        cached = []
        uncached = []  # type: List[Tuple[int, Optional[bytes]]]
        contentkeys = super(DedupKeyValueStore, self).mget(keys)
        for idx, contentkey in enumerate(contentkeys):
            if contentkey is None:
                uncached.append((idx, None))
            else:
                sha = binary_type(contentkey)
                cached.append((idx, unistr(sha)))
        if not cached:
            return [None for _, contentkey in uncached]
        indices, existing_keys = zip(*cached)
        existing_values = self.kvstore.mget(existing_keys)
        idx_value_pairs = sorted(uncached + list(zip(indices, existing_values)))
        return list([value for _, value in idx_value_pairs])