我正在使用scala Process来启动python程序并使用ProcessLogger从python程序中捕获stdout。我看到python程序中的print语句只在python程序完成后打印。有没有办法在执行时传输python print语句?
import scala.sys.process.{ProcessLogger, _}
object TestProcessStdOut {
def main(args: Array[String]) {
var cmd = "python python_test.py";
val process = Process(cmd).run(new ProcessLogger {
override def out(s: => String) = println(s)
override def buffer[T](f: => T) = ???
override def err(s: => String) = ???
})
}
}
python_test.py
import time
print("print data 1")
time.sleep(2)
print("print data 2")
time.sleep(2)
print("print data 3")
time.sleep(2)
答案 0 :(得分:2)
告诉python不要使用"
在scala中缓冲输出,这将对您有所帮助:
-u