code: def open_file(uuid, path):
       
       # create temporary file just so we can get an unused file path
       f = tempfile.NamedTemporaryFile()
       f.close()  # close and delete right away
       fname = f.name
  
       # download file to temporary path
       cmd ='cl down -o {} -w {} {}/{}'.format(fname, worksheet, uuid, path)
       try:
          shell(cmd)
       except RuntimeError:
           try:
              os.remove(fname)  # if file exists, remove it
           except OSError:
               pass
           raise IOError('Failed to open file {}/{}'.format(uuid, path))
  
       f = open(fname)
       yield f
       f.close()
       os.remove(fname)
docs: Get the raw file content within a particular bundle at a particular path.
  
       Path have no leading slash.