new_contents: import os, sys
  inc_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  sys.path.insert(0, inc_path)
  
  import archive
  
  def test_item():
      item = archive.Item('stairs')
      assert item.metadata['metadata']['identifier'] == 'stairs'
  
  
  def test_file():
      item = archive.Item('stairs')
      filename = 'glogo.png'
      file = item.file(filename)
  
      assert not os.path.exists(filename)
      file.download()
  
      assert os.stat(filename).st_size == file.size
      os.unlink(filename)
  
subject: Add archive.File class, which allows downloading from archive.org