code: def upload_resumable(self, fd, filesize, filehash, unit_hash, unit_id,
                           unit_size, quick_key=None, action_on_duplicate=None,
                           mtime=None, version_control=None, folder_key=None,
                           filedrop_key=None, path=None, previous_hash=None):
          
          action = 'upload/resumable'
  
          headers = {
              'x-filesize': str(filesize),
              'x-filehash': filehash,
              'x-unit-hash': unit_hash,
              'x-unit-id': str(unit_id),
              'x-unit-size': str(unit_size)
          }
  
          params = QueryParams({
              'quick_key': quick_key,
              'action_on_duplicate': action_on_duplicate,
              'mtime': mtime,
              'version_control': version_control,
              'folder_key': folder_key,
              'filedrop_key': filedrop_key,
              'path': path,
              'previous_hash': previous_hash
          })
  
          upload_info = {
              "fd": fd,
              "filename": "chunk"
          }
  
          return self.request(action, params, action_token_type="upload",
                              upload_info=upload_info, headers=headers)
docs: upload/resumable
  
          http://www.mediafire.com/developers/core_api/1.3/upload/#resumable