code: def upload_file(self, file):
          
  
          url = self._get_url('/api/1.0/upload/post')
  
          fcontent = FileContent(file)
          binary_data = fcontent.get_binary()
  
          headers = self._get_request_headers()
          req = urllib.request.Request(url, binary_data, headers)
          req.add_header('Content-type', fcontent.get_content_type())
          req.add_header('Content-length', len(binary_data))
          resp = urllib.request.urlopen(req)   
  
          return definition.UploadPostResponse(_response_to_json(resp))
docs: The method is posting file to the remote server