Python.sc

Python {
  classvar py;
  classvar <py_bin;
  var py_pipe;

  *initClass{
    py_bin = "which python".unixCmdGetStdOut.replace(Char.nl, "").asString;
  }
  
  
  *new {
    if(py.isNil){
      py = super.new;
      py.init();
    }
    ^py;
  }


  init {  
    py_pipe = Pipe.new("%".format(py_bin), "w");
    "Python is running!".postln;
  }

   pr_send {
    |message|
    py_pipe.write("%\n".format(message));
    py_pipe.flush;
  }

  stop {
    py_pipe.close;
    Python.pr_close;
    "Python is stopped!".postln;
  }

  *pr_close{
    py = nil;
  }
}