code: def extract_file(
      tgz, tarinfo, dst_path, buffer_size=10 << 20, log_function=None
  ):
      """Extracts 'tarinfo' from 'tgz' and writes to 'dst_path'."""
      src = tgz.extractfile(tarinfo)
      if src is None:
          return
      dst = tf.compat.v1.gfile.GFile(dst_path, "wb")
      while 1:
          buf = src.read(buffer_size)
          if not buf:
              break
          dst.write(buf)
          if log_function is not None:
              log_function(len(buf))
      dst.close()
      src.close()
  
imports: import os
  import tarfile
  import tensorflow
label_desc: Use image node_id 1 for calling a global function with example usage: extract_file(tgz, tarinfo, dst_path, buffer_size, log_function) without return types