old_contents: # -*- coding: utf-8 -*-
  
new_contents: # -*- coding: utf-8 -*-
  import os 
  import argparse
  from datafs.core.data_api import DataAPI
  
  
  def _download(args):
  	DataAPI.download(args)
  
  def _upload(args):
  	DataAPI.upload(args)
  
  def _create(args):
  	DataAPI.create_archive(args)
  
  def _list_archvies(args):
  	DataAPI.archives(args)
  
  def _metadata(args):
  	DataAPI.managers.get_metadata(args)
  
  
  def main(sysArgs=None):
  	parser = argparse.ArgumentParser('Command Line tools for DataFS')
  
  
  	actions = parser.add_subparsers(help='actions to perform on datafiles')
  
  	#specify the list of arguments we need
  	download = actions.add_parser('download', help='Download an archive')
  	download.add_argument('--archive_name', required=True, nargs=1,default=None, help='Name of Archive/data_file')
  	#some arguments to add
  	#
  	download.set_defaults(func=_download)
  
  	#another action
  	upload= actions.add_parser('upload', help='Upload an archive')
  	upload.add_argument('--archive_name', required=True, nargs=1,default=None, help='Name of Archive/data_file')
  	#some more arguments
  	#
  	upload.set_defaults(func=_upload)
  
  	#another acttion
  	create = actions.add_parser('create', help='Create an archive')
  	create.add_argument('--archive_name', required=True, nargs=1,default=None, help='Name of Archive/data_file')
  	#some more required arguments
  	#
  	create.set_defaults(func=_create)
  
  	#another action
  	metadata = actions.add_parser('metadata', help='view metadata for an archive')
  	metadata.add_argument('--archive_name', required=True, nargs=1,default=None, help='Name of Archive/data_file')
  
  
  	metadata.set_defaults(fun=_metadata)
  	#another action
  	_list = actions.add_parser('list', help='List all archives')
  	_list.add_argument('--table_name', required=True, nargs=1, default=None, help='Table that stores all values')
  
  
  	_list.set_defaults(func=_list_archvies)
  
  
  	if sysargs is None:
  	        args = parser.parse_args()
  	    else:
  	        args = parser.parse_args(sysargs)
  
  	    args.func(args)
  
  
  
  if __name__ == "__main__":
      main()
  
  
  
  
  
subject: add skeleton for datafs cil