class_docstr: Helper class responsible for TF-Hub module download and extraction.
class_docstr_tok: ["Helper","class","responsible","for","TF-Hub","module","download","and","extraction","."]
docstr: Creates DownloadManager responsible for downloading a TF-Hub module.
  
  Args:
     url: URL pointing to the TF-Hub module to download and extract.
docstr_tok: ["Creates","DownloadManager","responsible","for","downloading","a","TF-Hub","module",".","Args",":","url",":","URL","pointing","to","the","TF-Hub","module","to","download","and","extract","."]
code: def __init__(self, url):
      """Creates DownloadManager responsible for downloading a TF-Hub module.
  
      Args:
         url: URL pointing to the TF-Hub module to download and extract.
      """
      self._url = url
      self._last_progress_msg_print_time = time.time()
      self._total_bytes_downloaded = 0
      self._max_prog_str = 0
  
imports: import abc
  import datetime
  import enum
  import os
  import socket
  import ssl
  import sys
  import tarfile
  import tempfile
  import time
  import urllib
  import uuid
  from absl import flags
  from absl import logging
  import tensorflow
  from tensorflow_hub import file_utils
  from tensorflow_hub import tf_utils
label_desc: Use image node_id 1 to create a new DownloadManager object from inherited base classes: object with example: obj = DownloadManager(url)