[enh] paging support for deviantart

categories = ['images']

base_url = 'https://www.deviantart.com/'

search_url = base_url+'search?'

search_url = base_url+'search?offset={offset}&{query}'

paging = True

def request(query, params):

    global search_url

    params['url'] = search_url + urlencode({'q': query})

    offset = (params['pageno'] - 1) * 24

    params['url'] = search_url.format(offset=offset,

                                      query=urlencode({'q': query}))

    return params