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轻松获取全网热点，Python助你掌握实时舆情

在信息爆炸的时代，抖音、小红书、微博、今日头条和百度热点等平台每天都会产生海量热门内容。无论是品牌营销、竞品分析还是舆情监控，掌握这些热点新闻至关重要。利用Python的强大爬虫技术，可以自动化抓取各平台的热点数据，实时追踪话题趋势，挖掘用户关注焦点。

通过Python的高效爬取和数据分析能力，不仅能快速获取结构化热点信息，还能结合自然语言处理（NLP）进行情感分析，洞察公众情绪变化。无论是企业决策、内容创作还是市场研究，这一技术都能提供精准的数据支持，让你在信息战中抢占先机！

代码

# pip install beautifulsoup4
import requests
import random
from typing import Optional, List, Dict
from bs4 import BeautifulSoup# 平台名称映射
PLATFORMS = [{"name": "微博", "zhiwei_id": "weibo", "tophub_id": "s.weibo.com"},{"name": "抖音", "zhiwei_id": "douyin", "tophub_id": "douyin.com"},{"name": "哔哩哔哩", "zhiwei_id": "bilibili", "tophub_id": "bilibili.com"},{"name": "今日头条", "zhiwei_id": "toutiao", "tophub_id": "toutiao.com"},{"name": "百度热点", "zhiwei_id": "baidu", "tophub_id": "baidu.com"},{"name": "小红书", "zhiwei_id": "little-red-book", "tophub_id": None},{"name": "快手", "zhiwei_id": "kuaishou", "tophub_id": None},{"name": "虎扑", "zhiwei_id": None, "tophub_id": "hupu.com"},{"name": "豆瓣小组", "zhiwei_id": None, "tophub_id": "douban.com"},{"name": "澎湃新闻", "zhiwei_id": None, "tophub_id": "thepaper.cn"},{"name": "知乎热榜", "zhiwei_id": "zhihu", "tophub_id": "zhihu.com"},
]# 知微数据支持的平台
ZHIWEI_PLATFORMS = [p["zhiwei_id"] for p in PLATFORMS if p["zhiwei_id"]]# tophub 支持的平台
TOPHUB_PLATFORMS = [p["tophub_id"] for p in PLATFORMS if p["tophub_id"]]def get_zhiwei_hotnews(platform: str) -> Optional[List[Dict]]:"""获取知微数据的热点数据参数 platform: 平台标识 (weibo, douyin, bilibili, toutiao, baidu, little-red-book, kuaishou, zhihu)返回格式: 列表数据，每个元素为热点条目字典，仅包含 name, rank, lastCount, url"""api_url = f"https://trends.zhiweidata.com/hotSearchTrend/search/longTimeInListSearch?type={platform}&sortType=realTime"  # noqa 501try:headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",  # noqa 501"Referer": "https://trends.zhiweidata.com/",}response = requests.get(api_url, headers=headers, timeout=10)response.raise_for_status()data = response.json()if data.get("state") and isinstance(data.get("data"), list):return [{"name": item.get("name", ""),"rank": item.get("rank", 0),"lastCount": item.get("lastCount", 0),"url": item.get("url", ""),}for item in data["data"]]return Noneexcept Exception as e:  # noqa 841return Nonedef get_tophub_hotnews(platform: str, cnt: int = 10) -> Optional[List[Dict]]:"""获取 tophub.today 的热点数据参数 platform: 平台名称（中文，如“微博”）参数 tophub_id: tophub.today 的平台标识（如 s.weibo.com, zhihu.com）参数 cnt: 返回的新闻数量返回格式: 列表数据，每个元素为热点条目字典，包含 name, rank, lastCount"""api_url = "https://tophub.today/"try:headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",  # noqa 501}response = requests.get(api_url, headers=headers, timeout=10)response.raise_for_status()soup = BeautifulSoup(response.text, "html.parser")platform_divs = soup.find_all("div", class_="cc-cd")for div in platform_divs:platform_span = div.find("div", class_="cc-cd-lb").find("span")if platform_span and platform_span.text.strip() == platform:news_items = div.find_all("div", class_="cc-cd-cb-ll")[:cnt]hotnews = []for item in news_items:rank = item.find("span", class_="s").text.strip()title = item.find("span", class_="t").text.strip()engagement = item.find("span", class_="e")last_count = engagement.text.strip() if engagement else "0"hotnews.append({"name": title,"rank": int(rank),"lastCount": last_count,"url": item.find("a")["href"] if item.find("a") else "",})return hotnewsreturn Noneexcept Exception as e:  # noqa 841return Nonedef get_vvhan_hotnews() -> Optional[List[Dict]]:"""获取 vvhan 的热点数据（作为备用）返回格式: [{"name": platform_name, "data": [...]}, ...]"""api_url = "https://api.vvhan.com/api/hotlist/all"try:response = requests.get(api_url, timeout=10)response.raise_for_status()data = response.json()if data.get("success") and isinstance(data.get("data"), list):return data["data"]return Noneexcept Exception as e:  # noqa 841return Nonedef get_platform_news(platform: str, cnt: int = 10) -> List[str]:"""获取指定平台的新闻标题，优先从知微数据获取，失败则从 tophub.today 获取，最后从 vvhan 获取参数 platform: 平台名称（中文，如“微博”）参数 cnt: 返回的新闻数量返回: 新闻标题列表（仅使用 name 字段）"""# 查找平台对应的知微数据标识和 tophub 标识platform_info = next((p for p in PLATFORMS if p["name"] == platform), None)if not platform_info:return []# 1. 优先尝试知微数据if platform_info["zhiwei_id"] in ZHIWEI_PLATFORMS:hotnews = get_zhiwei_hotnews(platform_info["zhiwei_id"])if hotnews:return [item.get("name", "") for item in hotnews[:cnt] if item.get("name")]# 2. 回退到 tophub.todayif platform_info["tophub_id"] in TOPHUB_PLATFORMS:hotnews = get_tophub_hotnews(platform, cnt)if hotnews:return [item.get("name", "") for item in hotnews[:cnt] if item.get("name")]# 3. 回退到 vvhan APIhotnews = get_vvhan_hotnews()if not hotnews:return []platform_data = next((pf["data"] for pf in hotnews if pf["name"] == platform), [])return [item["title"] for item in platform_data[:cnt]]def select_platform_topic(platform: str, cnt: int = 10) -> str:"""获取指定平台的新闻话题，并按排名加权随机选择一个话题。若无话题，返回默认话题。参数 platform: 平台名称（中文，如“微博”）参数 cnt: 最大返回的新闻数量返回: 选中的话题字符串"""topics = get_platform_news(platform, cnt)if not topics:topics = ["历史上的今天"]print(f"平台 {platform} 无法获取到热榜，接口暂时不可用，将使用默认话题。")# 加权随机选择：排名靠前的话题权重更高weights = [1 / (i + 1) ** 2 for i in range(len(topics))]selected_topic = random.choices(topics, weights=weights, k=1)[0]# 替换标题中的 | 为 ——selected_topic = selected_topic.replace("|", "——")return selected_topic

topics = get_platform_news("小红书", 50)
topics