[python] chunk 処理

chunks.py

# coding: utf-8

from typing import Iterable, Iterator, Any


def chunks(sequence: Iterable, chunk_size: int = 1) -> Iterator[Any]:
    """
    指定されたシーケンスを指定されたチャンクに分割します.

    :param sequence: シーケンス
    :param chunk_size: チャンクサイズ
    :return: Iterator[Any]
    """
    for i in range(0, len(sequence), chunk_size):
        yield sequence[i:i + chunk_size]


if __name__ == '__main__':
    bits = list(range(100))
    results = list(chunks(list(chunks(bits, 2)), 16))
    pprint.pprint(results)

http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks

Results

[[[0, 1],
  [2, 3],
  [4, 5],
  [6, 7],
  [8, 9],
  [10, 11],
  [12, 13],
  [14, 15],
  [16, 17],
  [18, 19],
  [20, 21],
  [22, 23],
  [24, 25],
  [26, 27],
  [28, 29],
  [30, 31]],
 [[32, 33],
  [34, 35],
  [36, 37],
  [38, 39],
  [40, 41],
  [42, 43],
  [44, 45],
  [46, 47],
  [48, 49],
  [50, 51],
  [52, 53],
  [54, 55],
  [56, 57],
  [58, 59],
  [60, 61],
  [62, 63]],
 [[64, 65],
  [66, 67],
  [68, 69],
  [70, 71],
  [72, 73],
  [74, 75],
  [76, 77],
  [78, 79],
  [80, 81],
  [82, 83],
  [84, 85],
  [86, 87],
  [88, 89],
  [90, 91],
  [92, 93],
  [94, 95]],
 [[96, 97], [98, 99]]]