Get ping realtime stdout and exit code in python using forkpty and execvp

ptytest.py

import os

def bash_real_time(command):
	pid,fd = os.forkpty()
	if pid == 0:
		os.execv('/bin/bash',['bash','-c',command])
		exit(0)
	while True:
		try:
			output = os.read(fd,1024).decode("utf-8").rstrip()
		except Exception:
			break
		for line in output.split("\n"):
			yield line
	pid,status,res_usage=os.wait4(pid,0)
	exit_code=os.WEXITSTATUS(status)
	if exit_code!=0:
		raise OSError(exit_code)


for line in bash_real_time("ping -c 5 127.0.0.1"):
	print(f"[PING] {line}")