class Monitor {
  constructor(args) {
    const cmd  = spawn(process.env.PYTHON_BINARY, args);

    let stdout = '', stderr = ''
    
    cmd.stdout.on('data', (data) => {
      this.stdout += data
    })

    cmd.stderr.on('data', (data) => {
      this.stderr += data
    })

    cmd.on('exit', function (code) {
      exit && exit( data.toString() )
    })
  }
}