Function yield_unique_chars

src/table.py:879–888

(chars: list)

    pos_key = itemgetter("doctop", "x0")

    def yield_unique_chars(chars: list):
        sorted_chars = sorted(chars, key=key)
        for grp, grp_chars in itertools.groupby(sorted_chars, key=key):
            for y_cluster in cluster_objects(
                list(grp_chars), itemgetter("doctop"), tolerance
            ):
                for x_cluster in cluster_objects(
                    y_cluster, itemgetter("x0"), tolerance
                ):
                    yield sorted(x_cluster, key=pos_key)[0]

    deduped = yield_unique_chars(chars)
    return sorted(deduped, key=chars.index)