我想同时从多个进程创建一个zip存档。当我使用多处理池时。某些zip归档文件尚未创建。似乎close方法不会等待进程结束在进程启动器下方:
import os
import sys
import json
from multiprocessing import Pool
from shutil import copyfile, make_archive
from xml.etree.ElementTree import ElementTree
def launch_traitment(path, path_upload):
print(path)
with Pool(processes=NB_PROCESS) as pool:
for dir in os.listdir(path):
pool.apply_async(compute_dir,(dir,path,path_upload,))
pool.close()
pool.join()
...
def compute_dir(dir, path, path_upload):
working_path = path+'/'+dir
deleteAck(working_path+'/'+dir+'.ack')
execute(dir, path)
generateZIP(dir, working_path, path_upload)
...
def generateZIP(dir, working_path, path_upload):
lst_file_meta_data = dir.split('_')
if len(lst_file_meta_data) < 3:
print(f"File {dir} incorrect naming")
return 1
provider = lst_file_meta_data[0]
registration = lst_file_meta_data[1]
session_date = lst_file_meta_data[2]
zip_file = path_upload+'/'+provider+'/'+registration
if not os.path.exists(zip_file+'/'+ dir +'.zip'):
print('Génération du ZIP : ', zip_file+'/'+ dir +'.zip')
if not os.path.exists(zip_file):
os.makedirs(zip_file)
make_archive(zip_file+'/'+ dir, 'zip', working_path)
我尝试使用系统命令创建zip,但我遇到了同样的问题:
os.system(f'zip -r -j {zip_file}/{dir}.zip {working_path}')
我也尝试过尝试,但没有引发异常
我找到了答案。我的进程数量少于我的for循环启动的进程数量。因此,如果该过程尚未完成他的治疗,则将其替换为新过程。