text: #!/usr/bin/env python3
  # coding=utf-8
  
  import os
  import sys
  import json
  import requests
  
  from settings import (
      url,
      username,
      password,
  )
  
  if __name__ == '__main__':
      if len(sys.argv) != 2:
          raise Exception('请使用./gg_post.py filename的方式来调用脚本')
      filename = sys.argv[1]
      if not os.path.exists(filename):
          raise Exception('{}文件不存在'.format(filename))
  
      data = {
          'username': username,
          'password': password,
      }
      files = {
          'graph': open(filename, 'rb'),
      }
      response = requests.post(url, data=data, files=files)
      print(json.loads(response.content))