筛选文件大小是0Kb的

import os
import shutil
from multiprocessing.pool import ThreadPool
import json

# 移动文件夹
def move_data(src, dst):
    shutil.move(src, dst)


def get_size(file):
    # 获取文件大小:KB
    size = os.path.getsize(file)
    return size / 1024


# 读取文件
def read_dir_data(in_file, out_file):
    th = ThreadPool(8)
    for i in os.listdir(in_file):
        t = os.path.join(in_file, i)

        # 判断json内容是否为空
        with open(t,"r",encoding="utf-8")as f:
            data=json.loads(f.read())
        if len(data["shapes"])==0:
            dst = os.path.join(out_file, i)
            print("move:{}>>>{}".format(t, dst))
            th.apply_async(move_data, args=(t, dst))

    th.close()
    th.join()
if __name__ == '__main__':
    # 筛选文件夹
    in_file=r"C:\Users\DM\Desktop\新建文件夹 (2)\1"
    # 筛选结果文件夹
    out_file=r"C:\Users\DM\Desktop\新建文件夹 (2)\2"
    read_dir_data(in_file,out_file)