doc: http://open.youku.com/docs/doc?id=82

def search_shows_by_keyword(self, keyword, unite=0, source_site=None,
                                category=None, release_year=None,
                                area=None, orderby='view-count',
                                paid=None, hasvideotype=None,
                                page=1, count=20):
        """doc: http://open.youku.com/docs/doc?id=82
        """
        url = 'https://openapi.youku.com/v2/searches/show/by_keyword.json'
        params = {
            'client_id': self.client_id,
            'keyword': keyword,
            'unite': unite,
            'source_site': source_site,
            'category': category,
            'release_year': release_year,
            'area': area,
            'orderby': orderby,
            'paid': paid,
            'hasvideotype': hasvideotype,
            'page': page,
            'count': count
        }
        params = remove_none_value(params)
        r = requests.get(url, params=params)
        check_error(r)
        return r.json()