无法使用Python多处理写入文件

时间:2015-02-04 16:26:22

标签: python python-2.7 multiprocessing python-multiprocessing

from itertools import product

f = open('filename.txt', 'a')

def worker(i, j):
    print i,j
    f.write("%s\t%s\n"%(i,j))
    return

def main():
    a_list = ['1', '2', '3', '4', '5'] #5 item
    b_list = ['6', '7', '8'] #3 item
    # Total 5*3=15 combinations

    from multiprocessing import Pool
    pool = Pool(processes=4)
    results = [pool.apply_async(worker, args=(i, j)) for i, j in product(a_list, b_list)]
    output = [p.get() for p in results]

main()
f.close()

这是我正在尝试运行的代码并将结果存储在txt文件中,但我无法找到为什么这不是写,尽管它在终端中打印。任何帮助将不胜感激。

1 个答案:

答案 0 :(得分:3)

f.flush()声明

之后添加f.write(...)