Библиотека работы с odata протоколом 1С.
https://gitter.im/surge-/1c_odata_python
url = 'http://localhost/odata/standard.odata/'
service = odata1c.service(url=url, login='admin', password='')
brands = service.Catalog['Brands']
for i in brands['entry']['content']: print i['Description']