python 实时获取子进程输出

最新推荐文章于 2025-06-19 23:50:15 发布

转载最新推荐文章于 2025-06-19 23:50:15 发布 · 1.4w 阅读

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在论坛上找到方法了，http://bbs.youkuaiyun.com/topics/340234292

import subprocess
 
def main():
    process1 = subprocess.Popen("python  -u sub.py", shell=False, stdout = subprocess.PIPE, stderr=subprocess.STDOUT)        
    #print process1.communicate()[0]
 
    while True:
        line = process1.stdout.readline()
        if not line:
            break
        print line
     
if __name__ == '__main__':
    main()

import subprocess
import time
 
p = subprocess.Popen('ping 127.0.0.1 -n 10', stdout=subprocess.PIPE)
while p.poll() == None:
    print p.stdout.readline()
    time.sleep(1)
print p.stdout.read()   
print 'returen code:', p.returncode