""" Collecting utilities for dictionaries
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

from itertools import islice


def breakDictionaryIntoChunks(aDict, chunkSize):
    """This function is a generator of chunks of dictionaries of size chunkSize

    :param dict aDict: the dictionary you want to chunk
    :param int chunkSize: the size of the chunks
    :return: a generator object, that generates chunks of the original dictionary in aDict
    """
    iterDict = iter(aDict)
    for _ in range(0, len(aDict), chunkSize):
        yield {k: aDict[k] for k in islice(iterDict, chunkSize)}