()
return filepath
Downloads the MNIST dataset if it is not there already.
Downloads the MNIST dataset if it is not there already.
Downloads the MNIST dataset if it is not there already .
def _maybe_download():
  """Downloads the MNIST dataset if it is not there already."""
  data_url = 'http://www.iro.umontreal.ca/~lisa/deep/data/mnist/mnist.pkl.gz'
  filename = data_url.split('/')[-1]
  filepath = os.path.join(_get_data_dir(), filename)
  if not os.path.exists(filepath):

    def _progress(count, block_size, total_size):
      print('\r>> Downloading %s %.1f%%' %
            (filename, float(count * block_size) / float(total_size) * 100.0))

    filepath, _ = urllib.urlretrieve(data_url, filepath, _progress)
    statinfo = os.stat(filepath)
    print('Successfully downloaded %s %d bytes.' % (filename, statinfo.st_size))
  else:
    print('Data already present on disk.')
  return filepath
def _maybe_download ( ) : data_url = 'http://www.iro.umontreal.ca/~lisa/deep/data/mnist/mnist.pkl.gz' filename = data_url . split ( '/' ) [ - 1 ] filepath = os . path . join ( _get_data_dir ( ) , filename ) if not os . path . exists ( filepath ) : def _progress ( count , block_size , total_size ) : print ( '\r>> Downloading %s %.1f%%' % ( filename , float ( count * block_size ) / float ( total_size ) * 100.0 ) ) filepath , _ = urllib . urlretrieve ( data_url , filepath , _progress ) statinfo = os . stat ( filepath ) print ( 'Successfully downloaded %s %d bytes.' % ( filename , statinfo . st_size ) ) else : print ( 'Data already present on disk.' ) return filepath