code: def _display_progress(data, stream):
      
      if type(data) is not dict:
          raise TypeError("data should be of type dict. the following was passed: {0}".format(data))
  
      stream.write("\r%s %s" % (data['status'], data['progress']))
  
      if 'Pushing' in data['status']:
          if data['progress_detail']['current'] == data['progress_detail'].get('total'):
              stream.write("\n")
  
      stream.flush()
docs: expecting the following data scheme:
          {
              u'status': u'Pushing',
              u'progressDetail': {
                                      u'current': 655337,
                                      u'start': 1413994898,
                                      u'total': 20412416
                                  },
              u'id': u'51783549ce98',
              u'progress': u'[=>                                                 ] 655.3 kB/20.41 MB 30s'
          }
  
          {
              u'status': u'Buffering to disk',
              u'progressDetail': {
                                      u'current': 13369344,
                                      u'start': 1413994898
                                 },
              u'id': u'51783549ce98',
              u'progress': u'13.37 MB'
          }