datarules.json

{
    "rules": {
        "forum": {
            "raw_expr": true,
            "to_str": false,
            "eval": "urllib.splithost(urllib.splittype(response.url)[1])[0]"
        },
        "author": {
            "raw_expr": false,
            "to_str": false,
            "eval": "find(name='div', attrs={'class': 'user-details'}).a.string.strip()"
        },
        "url": {
            "raw_expr": true,
            "to_str": false,
            "eval": "response.url"
        },
        "title": {
            "raw_expr": false,
            "to_str": false,
            "eval": "find(name='a', attrs={'class': 'question-hyperlink'}).string.strip()"
        },
        "datetime": {
            "raw_expr": true,
            "to_str": false,
            "eval": "datetime.strptime(soup.find(name='div',attrs={'class': ['module', 'question-stats']}).find_all(name='p',attrs={'class': 'label-key'})[1]['title'].strip()[:-1], '%Y-%m-%d %H:%M:%S')"
        },
        "content": {
            "raw_expr": false,
            "to_str": true,
            "eval": "find(name='div', attrs={'class': 'post-text', 'itemprop': 'text'})"
        },
        "question_id": {
            "raw_expr": true,
            "to_str": false,
            "eval": "int(re.search('(?<=(questions))/(\\d+)/',response.url).group(2))"
        }
    },
    "mode": "BeautifulSoup"
}