partition.py

import itertools
from os import scandir

MAX_SCORE = 160 * 1024**3  # 160GiB

with scandir('.') as sd:
    dirs = sorted((x for x in sd if x.is_dir()), key=lambda x: x.path)

def recursive(path):
    with scandir(path) as adr:
        for entry in adr:
            if entry.is_file():
                yield entry
            elif entry.is_dir():
                yield from recursive(entry)

score = MAX_SCORE
partitions = [[]]
part_sizes = [0]
for name in dirs:
    size = sum(x.stat().st_size for x in recursive(name))
    if size > score:
        partitions.append([])
        part_sizes.append(0)
        score = MAX_SCORE
    score -= size
    partitions[-1].append(name)
    part_sizes[-1] += size

for chunk_num, size, part in zip(itertools.count(1), part_sizes, partitions):
    print('##########################################')
    print(f'##### partition #{chunk_num}')
    print('##########################################')
    print('total size:', size)
    print('\n'.join(x.path for x in part))