# _*_ coding : UTF-8 _*_ # @Time : 2024/11/08 20:29 # @UpdateTime : 2024/11/08 20:29 # @Author : haochen zhong # @File : CrawlAnhui.py # @Software : PyCharm # @Comment : 本程序采集安徽日报数字报数据 import asyncio import random from datetime import datetime, timedelta from bs4 import BeautifulSoup from httpx import AsyncClient from motor.motor_asyncio import AsyncIOMotorClient start_date = datetime.strptime('2017-09-29', '%Y-%m-%d') """安徽日报报2017年09月29日开始有数据""" end_date = datetime.today() """截止到今天""" headers = { 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7', 'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6,zh-TW;q=0.5,de-DE;q=0.4,de;q=0.3', 'Connection': 'keep-alive', 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36 Edg/130.0.0.0', 'sec-ch-ua': '"Chromium";v="130", "Microsoft Edge";v="130", "Not?A_Brand";v="99"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"Windows"', 'sec-gpc': '1', } # 链接数据库 client = AsyncIOMotorClient('mongodb://localhost:27017') db = client['dfdm_sjribao'] collection = db['anhuiribao'] async def main(): collection_names = await db.list_collection_names() # 判断数据表是否存在 if "anhuiribao" not in collection_names: # 如果不存在,则从2017年9月开始爬取 print("安徽日报报数据表不存在,开始采集!") await getData(start_date, end_date) else: # 如果存在,则从数据库中获取最后一条记录的日期 last_record = await collection.find_one({}, sort=[('release_time', -1)]) last_date_str = last_record['release_time'] print("数据库截止时间:", last_date_str) await getData(last_date_str, end_date) async def getContent(soup: BeautifulSoup) -> str: """ :param soup: BeautifulSoup对象 :return: 文章内容 """ content = "" for p in soup.select(".content p"): para = p.text.strip() if para: content += para content += '\n' return content async def getData(start_date: datetime, end_date: datetime): crawl_num = 0 for i in range((end_date - start_date).days): date_now = start_date + timedelta(days=i + 1) date_now_s = date_now.strftime('%Y%m/%d') base_url = "https://szb.ahnews.com.cn/ahrb/layout/" + date_now_s + '/' url = base_url + 'node_01.html' """https://szb.ahnews.com.cn/ahrb/layout/201811/01/node_01.html""" try: async with AsyncClient(headers=headers, timeout=60, http2=False) as client: print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url) try: response = await client.get(url) except Exception as e: await asyncio.sleep(random.randint(8, 20)) print(f"尝试第{t + 1}次重连!") response.encoding = response.charset_encoding print(f"一级连接状态:{response.status_code}") if response.status_code == 200: soup = BeautifulSoup(response.text, 'lxml') for item in soup.select(".Chunkiconlist p > a:nth-child(1)"): banmianming = item.text.split(":")[-1].strip() banmianhao = item.text.split(":")[0].replace(" ", "").replace(" ", "").strip() url1 = base_url + item.get("href") print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url1) for t in range(5): try: response2 = await client.get(url1) except Exception as e: await asyncio.sleep(random.randint(8, 20)) print(f"尝试第{t + 1}次重连!") response2.encoding = response2.charset_encoding print(f"二级连接状态:{response2.status_code}") if response2.status_code == 200: soup2 = BeautifulSoup(response2.text, 'lxml') for item2 in soup2.select(".newslist a"): url2 = "https://szb.ahnews.com.cn/ahrb/" + item2.get("href")[9:] """https://szb.ahnews.com.cn/ahrb/content/201709/29/c17310.html""" if await collection.find_one({"detail_url": url2}, {"_id": False}): continue title = item2.text.strip() print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url2) # 启用超时重连 for t in range(5): try: response3 = await client.get(url2) if response3.status_code == 200: break except: # 随机等待重连 await asyncio.sleep(random.randint(8, 20)) print(f"尝试第{t + 1}次重连!") response3.encoding = response3.charset_encoding print(f"三级连接状态:{response3.status_code}") if response3.status_code == 200: soup3 = BeautifulSoup(response3.text, 'lxml') content = await getContent(soup3) try: title = soup3.select(".newsdetatit h3")[0].text.strip() except: title = title try: subTitle = soup3.select(".newsdetatext p")[0].text.strip() except: subTitle = "" await collection.insert_one({ "title": title, "subtitle": subTitle, "preTitle": "", "author": "", "banmianming": banmianming, "banmianhao": banmianhao, 'keywordlist': 'empty', 'detail_url': url2, 'release_time': date_now, 'insert_timestamp': datetime.today(), 'content': content }) crawl_num += 1 print( f"安徽日报---{date_now_s}---{banmianming}---{banmianhao}---{title}---采集完成!") await asyncio.sleep(random.randint(8, 20)) print(f"安徽日报---{date_now_s}---{banmianming}---{banmianhao}-----采集完成!") await asyncio.sleep(random.randint(8, 20)) print(f"安徽日报---{date_now_s}-----采集完成!") await asyncio.sleep(random.randint(8, 20)) except Exception as e: print(e) await collection.insert_one( {'banmianhao': 'empty', 'banmianming': 'empty', 'preTitle': 'empty', 'title': 'empty', 'subtitle': 'empty', 'author': 'empty', 'keywordlist': 'empty', 'detail_url': url, 'release_time': date_now, 'insert_timestamp': datetime.today(), 'content': 'empty'} ) print(f"安徽日报采集完毕,共采集{crawl_num}条数据!") asyncio.run(main())