我想让语音合成程序Festival产生声音,直到它被杀死。在 Bash 中,我想做的事情如下:
>cat /var/log/dmesg | festival --tts &
[1] 27262
>kill -9 27262
当我尝试使用
subprocess
执行此操作时,我的代码在使用通信功能时挂起。我该如何解决这个问题?该进程应立即终止。
raw_input(
"Ready to set Festival running...\n" +\
"Press Enter to continue."
)
process_cat = subprocess.Popen([
"cat",
"/var/log/dmesg"
], stdout = subprocess.PIPE)
process_Festival = subprocess.Popen([
"festival",
"--tts"
], stdin = process_cat.stdout, stdout = subprocess.PIPE)
process_Festival.communicate()[0]
raw_input(
"Ready to stop Festival running...\n" +\
"Press Enter to continue."
)
os.kill(process_cat.pid, signal.SIGKILL)
os.kill(process_Festival.pid, signal.SIGKILL)
process_Festival.communicate()
是阻塞调用。您应该删除它,并在 process_Festival.kill()
之后使用 raw_input
来终止进程。