code: def execute(self, argv):
      args = self.parser.parse_args()
  
      if not args.module_name or not args.model_dir:
          ConvertCommand.show_help()
          return False
      self.module = args.module_name
      self.version = (
          args.module_version
          if args.module_version is not None
          else "1.0.0"
      )
      CacheUpdater(
          "hub_convert", module=self.module, version=self.version
      ).start()
      self.src = args.model_dir
      if not os.path.isdir(self.src):
          print(
              "`{}` is not exists or not a directory path".format(
                  self.src
              )
          )
          return False
      self.dest = (
          args.output_dir
          if args.output_dir is not None
          else os.path.join(
              "{}_{}".format(self.module, str(time.time()))
          )
      )
      os.makedirs(self.dest)
  
      self._tmp_dir = tmp_dir
      self.create_module_py()
      self.create_init_py()
      self.create_serving_demo_py()
      self.create_module_tar()
  
      print("The converted module is stored in `{}`.".format(self.dest))
  
      return True
  
file_path: PaddleHub/paddlehub/commands/convert.py
imports: import argparse
  import os
  import time
  import tarfile
  import shutil
  from string import Template
  from paddlehub.env import TMP_HOME
  from paddlehub.commands import register
  from paddlehub.utils.xarfile import XarFile
  from paddlehub.server.server import CacheUpdater
label_desc: Use image node_id 7 for calling the ConvertCommand obj's underlying member method code with example usage: obj.execute(argv) and returns: True, False, False