Python map多线程

  • Z时代
  • 2024-01-10
  • 分类：综合

python

import os

import PIL

from multiprocessing import Pool

from PIL import Image

SIZE = (75,75)

SAVE_DIRECTORY = 'thumbs'

def get_image_paths(folder):

return (os.path.join(folder, f)

for f in os.listdir(folder)

if 'jpeg' in f)

def create_thumbnail(filename):

im = Image.open(filename)

im.thumbnail(SIZE, Image.ANTIALIAS)

base, fname = os.path.split(filename)

save_path = os.path.join(base, SAVE_DIRECTORY, fname)

im.save(save_path)

if name == 'main':

folder = os.path.abspath(

'11_18_2013_R000_IQM_Big_Sur_Mon__e10d1958e7b766c3e840')

os.mkdir(os.path.join(folder, SAVE_DIRECTORY))

images = get_image_paths(folder)
pool = Pool()
pool.map(creat_thumbnail, images)
pool.close()
pool.join()

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