python爬行以提取评论计数

import requests
from bs4 import BeautifulSoup
import re

def get_comment_count(url):
    try:
        # 发送HTTP请求获取网页内容
        response = requests.get(url)
        response.raise_for_status()  # 如果请求失败，抛出HTTPError异常
        
        # 使用BeautifulSoup解析网页内容
        soup = BeautifulSoup(response.text, 'html.parser')
        
        # 假设评论计数存储在一个class为'comment-count'的元素中
        comment_element = soup.find(class_='comment-count')
        
        if comment_element:
            # 使用正则表达式提取数字
            comment_count = re.search(r'\d+', comment_element.text)
            if comment_count:
                return int(comment_count.group())
            else:
                return 0
        else:
            return 0
    except requests.RequestException as e:
        print(f"请求错误: {e}")
        return None

# 使用示例
url = 'http://example.com/some-page'
print(f"评论计数: {get_comment_count(url)}")