text: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import sys
  import os
  import argparse
  import numpy as np
  import mxnet as mx
  
  parser = argparse.ArgumentParser(description='face model slim')
  # general
  parser.add_argument('--model', default='../models/glink-best/model,1', help='path to load model.')
  args = parser.parse_args()
  
  _vec = args.model.split(',')
  assert len(_vec)==2
  prefix = _vec[0]
  epoch = int(_vec[1])
  print('loading',prefix, epoch)
  sym, arg_params, aux_params = mx.model.load_checkpoint(prefix, epoch)
  all_layers = sym.get_internals()
  sym = all_layers['fc1_output']
  dellist = []
  for k,v in arg_params.items():
    if k.startswith('fc7'):
      dellist.append(k)
  for d in dellist:
    del arg_params[d]
  mx.model.save_checkpoint(prefix+"s", 0, sym, arg_params, aux_params)
  
  