docs: def _query_http(self, dl_path, repo_info):
          '''
          Download files via http
          '''
          query = None
          response = None
  
          try:
              if 'username' in repo_info:
                  try:
                      if 'password' in repo_info:
                          query = http.query(
                              dl_path, text=True,
                              username=repo_info['username'],
                              password=repo_info['password']
                          )
                      else:
                          raise SPMException('Auth defined, but password is not set for username: \'{0}\''
                                             .format(repo_info['username']))
                  except SPMException as exc:
                      self.ui.error(six.text_type(exc))
              else:
                  query = http.query(dl_path, text=True)
          except SPMException as exc:
              self.ui.error(six.text_type(exc))
  
          try:
              if query:
                  if 'SPM-METADATA' in dl_path:
                      response = salt.utils.yaml.safe_load(query.get('text', '{}'))
                  else:
                      response = query.get('text')
              else:
                  raise SPMException('Response is empty, please check for Errors above.')
          except SPMException as exc:
              self.ui.error(six.text_type(exc))
  
          return response