text: #!/usr/bin/env python3
  
  # Downloads universal dependencies datasets
  # See http://universaldependencies.org for a list of all datasets
  
  
  from tqdm import tqdm
  import requests
  import math
  import tarfile
  
  
  def download_file(url, filename=None):
      # Streaming, so we can iterate over the response
      r = requests.get(url, stream=True)
  
      # Total size in bytes
      total_size = int(r.headers.get('content-length', 0))
      block_size = 1024
      wrote = 0
  
      with open(filename, 'wb') as f:
          for data in tqdm(r.iter_content(block_size),
                           total=math.ceil(total_size // block_size),
                           unit='KB',
                           unit_scale=True):
              wrote = wrote + len(data)
              f.write(data)
  
      if total_size != 0 and wrote != total_size:
          print("Error, something went wrong")
  
  
  def extract_file(read_filename, output_path):
      tar = tarfile.open(read_filename, 'r')
      tar.extractall(output_path)
  
  
  if __name__ == "__main__":
      import os
  
      data_folder = "data"
      dataset_url = "https://lindat.mff.cuni.cz/repository/xmlui/bitstream/handle/11234/1-2837/ud-treebanks-v2.2.tgz" \
                    "?sequence=1&isAllowed=y"
      dataset_path = os.path.join(data_folder, "ud-treebanks-v2.2.tgz")
  
      print("Downloading dataset")
      download_file(dataset_url, dataset_path)
  
      print("Extracting dataset")
      extract_file(dataset_path, data_folder)
  
      print("Completed successfully")
  