Web파이썬으로 마지막으로 작업 한 지 오랜 시간이 지났지 만 문제는 문 for line in proc.stdout을 반복하기 전에 전체 입력을 읽는 문에 있다고 생각 합니다.해결책은 readline()대신 사용하는 것입니다.. #filters output import subprocess proc = subprocess. Popen (['python', 'fake_utility.py'], stdout = subprocess. WebMar 4, 2024 · popen.stdout.readline ()无法读取数据. 代码总是停在popen.stdout.readline ()这一行而不再输出,但是日志文件中明明已经存在ERROR数据。. 尝试后发现只有大量 …
Python subprocess子进程(程序调用)模块-阿里云开发者社区
WebNov 10, 2024 · 大部分的程序是这样的:. from subprocess import Popen, PIPE, STDOUT p = Popen(cmd, stdout=PIPE, stderr=STDOUT, shell=True) while True: … WebMay 9, 2010 · I think the problem is with the statement for line in proc.stdout, which reads the entire input before iterating over it.The solution is to use readline() instead:. #filters … crypto serpent
python - process.stdout.readline() 挂起。如何正确使用? - IT工具网
WebDec 15, 2024 · 在使用subprocess.popen()会获取返回值,但是读取行时一直gbk编码报错: p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) … WebMar 13, 2024 · `Popen` 函数会返回一个 `Popen` 对象,该对象有一个 `communicate` 方法,用于获取命令的输出和错误信息。调用 `communicate` 方法时,需要传入两个参数 `stdout` 和 `stderr`,表示将命令的输出和错误信息保存到哪里。在这里,我们将它们保存到了两个管 … WebWriting to a subprocess. process = subprocess.Popen ( [r'C:\path\to\app.exe'], stdout = subprocess.PIPE, stdin = subprocess.PIPE) process.stdin.write ('line of input\n') # Write input line = process.stdout.readline () # Read a line from stdout # Do logic on line read. However, if you only need one set of input and output, rather than dynamic ... crypto server hosting