python爬取微博热搜评论

要爬取微博热搜评论，你可以按照以下步骤进行操作：

1. 首先，你需要先获取热搜榜的页面源代码。可以使用Python的requests库发送HTTP请求来获取网页内容，具体代码如下：

import requests

url = 'https://s.weibo.com/top/summary?Refer=top_hot&topnav=1&wvr=6'
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.104 Safari/537.36'
}
response = requests.get(url, headers=headers)
html = response.text

2. 接下来，你需要使用XPath或其他解析库（比如BeautifulSoup）来解析网页内容，提取出你需要的评论信息。以使用XPath为例，具体代码如下：

from lxml import etree

# 解析网页内容
html_tree = etree.HTML(html)

# 提取热搜评论信息
comments = html_tree.xpath('//table[@id="pl_top_realtimehot"]/tbody/tr/td<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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