豆瓣小组爬虫

最近要租房,写了一个豆瓣租房小组的爬虫,直接上代码

python 复制代码
from lxml import etree
import requests
import time  
import pandas as pd
import tqdm

def get_code(start, group_url):
    url = group_url
    headers = {
   #填自己登录之后的cookie 参考教程https://blog.csdn.net/weixin_41666747/article/details/80315002
    }
    data = {
    'start': start,
    'type': 'new'
    }
    request = requests.get(url=url, params=data, headers=headers)
    response = request.text
    return response


def list_posts(response, page, titles, urls, dates, authors, replies):
    tree = etree.HTML(response)
    titles_arr = tree.xpath('//table[@class="olt"]/tr//td/a/@title')
    for t in range(len(titles_arr)):
        titles[page].append(titles_arr[t])
    urls_arr = tree.xpath('//table[@class="olt"]/tr//td[@class="title"]//a/@href')
    for u in range(len(urls_arr)):
        urls[page].append(urls_arr[u])
    dates_arr = tree.xpath('//table[@class="olt"]/tr//td[@class="time"]/text()')
    for d in range(len(dates_arr)):
        dates[page].append(dates_arr[d])
    authors_arr = tree.xpath('//table[@class="olt"]/tr//td[@nowrap="nowrap"]/a/text()')
    for a in range(len(authors_arr)):
        authors[page].append(authors_arr[a])
    replies_arr = tree.xpath('//table[@class="olt"]/tr//td[@class="r-count "]/text()')
    for r in range(len(replies_arr)):
        replies[page].append(replies_arr[r])
    return titles, urls, dates, authors, replies


def get_page(all_page, group_url):
    titles = [[] for i in range(all_page)]
    urls = [[] for i in range(all_page)]
    dates = [[] for i in range(all_page)]
    authors = [[] for i in range(all_page)]
    replies = [[] for i in range(all_page)]
    for i in tqdm.tqdm(range(all_page)):
        start = i * 25
        time.sleep(0.05)
        response = get_code(start, group_url)
        titles, urls, dates, authors, replies = list_posts(response, i, titles, urls, dates, authors, replies)
    return titles, urls, dates, authors, replies


#北京租房 100万+ 个成员 在此聚集
group_url = 'https://www.douban.com/group/beijingzufang/discussion'
# 北京租房 481519 个成员 在此聚集
group_url = 'https://www.douban.com/group/sweethome/discussion'

all_page = 100
print('正在爬取' + str(int(all_page) * 25) + '篇帖子,请稍后...')

titles, urls, dates, authors, replies = get_page(int(all_page), group_url)

data = []  

for i in range(int(all_page)):
    for j in range(len(titles[i])):
        data.append({"Title": titles[i][j], "Author": authors[i][j], "Date": dates[i][j], "Url": urls[i][j]})  
#             print("【查找成功!第%d页】" % (i + 1))
#             print("标题:" + titles[i][j])
#             print("作者:" + authors[i][j])
# #             print("回复数:" + replies[i][j])
#             print("最后回复时间:" + dates[i][j])
#             print("链接:" + urls[i][j])
#             print('-----------------------------------------------------')
df = pd.DataFrame(data)  
# 将表格写入Excel文件  
df.to_excel("output.xlsx", index=True)
print('爬取完成!')


相关推荐
都叫我大帅哥27 分钟前
Python的Optional:让你的代码优雅处理“空值”危机
python
曾几何时`2 小时前
基于python和neo4j构建知识图谱医药问答系统
python·知识图谱·neo4j
写写闲篇儿5 小时前
Python+MongoDB高效开发组合
linux·python·mongodb
杭州杭州杭州6 小时前
Python笔记
开发语言·笔记·python
路人蛃7 小时前
通过国内扣子(Coze)搭建智能体并接入discord机器人
人工智能·python·ubuntu·ai·aigc·个人开发
qiqiqi(^_×)8 小时前
卡在“pycharm正在创建帮助程序目录”
ide·python·pycharm
Ching·8 小时前
esp32使用ESP-IDF在Linux下的升级步骤,和遇到的坑Traceback (most recent call last):,及解决
linux·python·esp32·esp_idf升级
吗喽1543451889 小时前
用python实现自动化布尔盲注
数据库·python·自动化
过往入尘土9 小时前
网络爬虫的相关知识和操作
爬虫
hbrown9 小时前
Flask+LayUI开发手记(十一):选项集合的数据库扩展类
前端·数据库·python·layui