How to use the habanero.request_class.Request function in habanero

raise RequestError(r.status_code, parse_json_err(r))
      else:
        r.raise_for_status()
    except requests.exceptions.RequestException as e:
      raise e
    check_json(r)
    coll = r.json()
  else:
    if(ids.__class__.__name__ == "str"):
      ids = ids.split()
    if(ids.__class__.__name__ == "int"):
      ids = [ids]
    coll = []
    for i in range(len(ids)):
      if works:
        res = Request(mailto, ua_string, url, str(ids[i]) + "/works",
          query, filter, offset, limit, sample, sort,
          order, facet, select, cursor, cursor_max, None, 
          progress_bar, **kwargs).do_request()
        coll.append(res)
      else:
        if agency:
          endpt = url + str(ids[i]) + "/agency"
        else:
          endpt = url + str(ids[i])

        endpt = endpt.strip("/")

        try:
          r = requests.get(endpt, params = payload, headers = make_ua(mailto, ua_string))
          r.raise_for_status()
        except requests.exceptions.HTTPError:

## the string is additional because it's added to the UA string we send in every request
            ## turn on verbose curl output to see the request headers sent
            x = Crossref(ua_string = "foo bar")
            x
            x.works(ids = '10.1371/journal.pone.0033693')
            ## unset the additional user-agent string
            x = Crossref()
            x.works(ids = '10.1371/journal.pone.0033693')
        '''
        if ids.__class__.__name__ != 'NoneType':
            return request(self.mailto, self.ua_string, self.base_url, "/works/", ids,
                query, filter, offset, limit, sample, sort,
                order, facet, select, None, None, None, None,
                progress_bar, **kwargs)
        else:
            return Request(self.mailto, self.ua_string, self.base_url, "/works/",
              query, filter, offset, limit, sample, sort,
              order, facet, select, cursor, cursor_max, None,
              progress_bar, **kwargs).do_request()