def get_data(context, resource, **kwargs):
    """Retrieve data field from a resource"""

    url_suffix = ''
    if 'keys' in kwargs and kwargs['keys']:
        url_suffix = '/?keys=%s' % ','.join(kwargs.pop('keys'))

    uri = '%s/%s/%s/data%s' % (context.dci_cs_api, resource,
                               kwargs.pop('id'), url_suffix)

    r = context.session.get(uri, timeout=HTTP_TIMEOUT, params=kwargs)
    return r
Retrieve data field from a resource