app.py

from bs4 import BeautifulSoup
from flask import Flask, request, jsonify
import requests

from flask_cors import CORS 
from apscheduler.schedulers.background import BackgroundScheduler
from datetime import datetime

app = Flask(__name__)
CORS(app)  

# 缓存数据及更新时间
cached_results_soaring = []
cached_results_hot = []
cached_results_newSongs = []
cached_results_popular = []
last_update_time = None

def song(url):
    """从 QQ 音乐榜单页面爬取歌曲信息"""
    
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
        "Referer": "https://y.qq.com/",
        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8",
    }

    results = []
    try:
        
        # 发送请求
        response = requests.get(url, headers=headers)
        response.encoding = 'utf-8'
        
        # 使用 BeautifulSoup 解析页面
        soup = BeautifulSoup(response.text, 'html.parser')
        
        # 查找所有歌曲列表项
        song_items = soup.select("ul.songlist__list li")

        for item in song_items[:10]:
            try:
                # 提取歌曲名称
                song_name_span = item.select_one("span.songlist__songname_txt")
                song_name = song_name_span.text.strip()

                # 提取歌手名称
                artist_div = item.select_one("div.songlist__artist")
                artist_name = artist_div.text.strip()

                # 提取 mid
                song_link = song_name_span.find('a', class_='')
                
                mid = "default_mid"
                if song_link and song_link.get('href'):
                    mid = song_link['href'].split('/')[-1]

                # 提取图片链接
                img_link = song_name_span.find('a', class_='songlist__cover')
                if img_link and img_link.get('href'):
                    imgsrc = img_link['href'].split('/')[-1]
                img_url = f"https://y.qq.com/music/photo_new/T002R300x300M000{imgsrc}_1.jpg?max_age=2592000"

                if song_name and artist_name:
                    results.append({
                        "muName": song_name,
                        "cover": img_url if img_url else "",
                        "mid": mid,
                        "id": mid,
                        "song": song_name,
                        "singer": artist_name,
                        "muLink": 'qqdg/?word',
                        "uname": 'QQ音乐',
                        "muId": 1
                    })
            except Exception as e:
                print(f"处理歌曲项时出错: {e}")
                continue

    except Exception as e:
        print(f"爬取过程中出错: {e}")
        return []

    # 更新缓存数据及更新时间
    if results:
        print(f"数据已更新：{last_update_time}")   
    return results


def schedule_music_fetch():
    """设置每天早上 8 点定时任务"""
    scheduler = BackgroundScheduler()
    

    def run_tasks():
        global cached_results_soaring, cached_results_hot, cached_results_newSongs,  cached_results_popular, last_update_time
        # 依次运行每个任务
        cached_results_soaring = song("https://y.qq.com/n/ryqq/toplist/62")
        cached_results_hot = song("https://y.qq.com/n/ryqq/toplist/26")
        cached_results_newSongs = song("https://y.qq.com/n/ryqq/toplist/27")
        cached_results_popular = song("https://y.qq.com/n/ryqq/toplist/4")
        last_update_time =  datetime.now()


    # 设置定时任务，每天 8 点执行 run_tasks
    scheduler.add_job(run_tasks, 'cron', hour=8, minute=0)

    scheduler.start()
    print("定时任务已启动，爬取时间为每天早上 8 点。")

@app.route('/star')
def star():
    global cached_results_soaring, cached_results_hot, cached_results_newSongs,  cached_results_popular, last_update_time
    cached_results_soaring = song("https://y.qq.com/n/ryqq/toplist/62")
    cached_results_hot = song("https://y.qq.com/n/ryqq/toplist/26")
    cached_results_newSongs = song("https://y.qq.com/n/ryqq/toplist/27")
    cached_results_popular = song("https://y.qq.com/n/ryqq/toplist/4")
    last_update_time =  datetime.now()
    return jsonify({
        "data": "数据已更新",
        "updata time": last_update_time
    })

@app.route('/fetch_music_soaring', methods=['GET'])
def fetch_music_route_soaring():
    """提供缓存的 QQ 音乐榜单数据"""
    if not cached_results_soaring:
        return jsonify({"message": "数据尚未准备好，请先访问/star 更新数据"}), 503
    
    return jsonify({
        "last_update_time": last_update_time.strftime("%Y-%m-%d %H:%M:%S"),
        "data": cached_results_soaring
    })

@app.route('/fetch_music_hot', methods=['GET'])
def fetch_music_route_hot():
    """提供缓存的 QQ 音乐榜单数据"""
    if not cached_results_hot:
        return jsonify({"message": "数据尚未准备好，请先访问/star 更新数据"}), 503
    
    return jsonify({
        "last_update_time": last_update_time.strftime("%Y-%m-%d %H:%M:%S"),
        "data": cached_results_hot
    })

@app.route('/fetch_music_newSongs', methods=['GET'])
def fetch_music_route_newSongs():
    """提供缓存的 QQ 音乐榜单数据"""
    if not cached_results_newSongs:
        return jsonify({"message": "数据尚未准备好，请先访问/star 更新数据"}), 503
    
    return jsonify({
        "last_update_time": last_update_time.strftime("%Y-%m-%d %H:%M:%S"),
        "data": cached_results_newSongs
    })

@app.route('/fetch_music_popular', methods=['GET'])
def fetch_music_route_popular():
    """提供缓存的 QQ 音乐榜单数据"""
    if not cached_results_popular:
        return jsonify({"message": "数据尚未准备好，请先访问/star 更新数据"}), 503
    
    return jsonify({
        "last_update_time": last_update_time.strftime("%Y-%m-%d %H:%M:%S"),
        "data": cached_results_popular
    })
if __name__ == '__main__':
    # 启动 Flask 应用时初始化定时任务
    schedule_music_fetch()
    app.run(debug=True,host='0.0.0.0',port=5734)