pyspider douban group

douban_zufang.py

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
# Created on 2015-10-21 10:27:30
# Project: douban_zufang

import re
from pyspider.libs.base_handler import *


class Handler(BaseHandler):
    crawl_config = {
    }

    @every(minutes=30)
    def on_start(self):
        self.crawl('http://www.douban.com/group/shanghaizufang/discussion?start=0', callback=self.index_page)

    @config(age=365 * 24 * 60 * 60)
    def index_page(self, response):
        for each in response.doc('a[href^="http"]').items():
            if re.match("http://www.douban.com/group/topic/\d+/", each.attr.href):
                self.crawl(each.attr.href, callback=self.detail_page)
        self.crawl(response.doc(".next a").attr.href, callback=self.index_page)

    @config(priority=2)
    def detail_page(self, response):
        return {
            "url": response.url,
            "title": response.doc('title').text(),
            "datetime": response.doc('.color-green').text(),
            "content": response.doc('#link-report .topic-content').text(),
        }