296 lines
19 KiB
Python
296 lines
19 KiB
Python
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# -*- coding = utf-8 -*-
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# @Time : 2021/12/2 20:34
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# @Author : sonder
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# @File : CrawlRenminribao.py
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# @Software : PyCharm
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# @Comment : 本程序用于采集人民日报版面数据
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import asyncio
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import random
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from datetime import datetime
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from bs4 import BeautifulSoup, Comment
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from httpx import AsyncClient
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from motor.motor_asyncio import AsyncIOMotorClient
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start_date = datetime.strptime('2024-12', '%Y-%m')
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"""人民日报只开放3年内有效数据"""
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end_date = datetime.today()
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"""截止到今天"""
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headers = {
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'User-Agent': 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 Edg/107.0.1418.42'}
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pattern = r'<a href=([^>]+)><div[^>]*>([^<]+)</div></a>'
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# 链接数据库
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client = AsyncIOMotorClient('mongodb://localhost:27017')
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db = client['zydb']
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collection = db['renminribao']
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async def main():
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collection_names = await db.list_collection_names()
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# 判断数据表是否存在
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if "renminribao" not in collection_names:
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print("人民日报数据表不存在，开始采集！")
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await getData(start_date, end_date)
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else:
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# 如果存在，则从数据库中获取最后一条记录的日期
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last_record = await collection.find_one({}, sort=[('release_time', -1)])
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last_date_str = last_record['release_time']
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print("数据库截止时间:", last_date_str)
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await getData(last_date_str, end_date)
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async def getContent(soup: BeautifulSoup) -> str:
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"""
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:param soup: BeautifulSoup对象
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:return: 文章内容
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"""
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content = ""
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for p in soup.select("#ozoom p"):
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para = p.text.strip()
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if para:
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content += para
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content += '\n'
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return content
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async def getData(start_date: datetime, end_date: datetime):
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"""
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:param start_date: 开始日期
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:param end_date: 结束日期
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:return: None
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"""
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crawl_num = 0
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# 创建一个列表保存月份
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months = []
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# 从开始日期到结束日期，每个月份都添加到列表中
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current_date = start_date
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current_date = current_date.replace(day=1)
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while current_date <= end_date:
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months.append(current_date)
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# 增加一个月
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if current_date.month == 12:
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current_date = current_date.replace(year=current_date.year + 1, month=1)
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else:
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current_date = current_date.replace(month=current_date.month + 1)
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# 遍历月份列表
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for month in months:
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if month < datetime(2024, 12, 1):
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# 构造URL
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url = f'http://paper.people.com.cn/rmrb/html/{month.strftime("%Y-%m")}/period.xml'
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"""http://paper.people.com.cn/rmrb/html/2022-01/period.xml"""
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url)
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async with AsyncClient(headers=headers, timeout=60) as client:
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response = await client.get(url)
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response.encoding = response.charset_encoding
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print(f"一级连接状态：{response.status_code}")
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if response.status_code == 200:
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soup = BeautifulSoup(response.text, 'xml')
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for period in soup.select("period"):
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period_name = datetime.strptime(period.find("period_name").text.strip(), "%Y-%m-%d")
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front_page = period.find("front_page").text.strip()
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try:
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url1 = f"http://paper.people.com.cn/rmrb/html/{period_name.strftime('%Y-%m/%d')}/{front_page}"
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"""http://paper.people.com.cn/rmrb/html/2024-01/01/nw.D110000renmrb_20240101_1-01.htm"""
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url1)
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response2 = await client.get(url1)
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response2.encoding = response2.charset_encoding
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print(f"二级连接状态：{response2.status_code}")
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if response2.status_code == 200:
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soup2 = BeautifulSoup(response2.text, 'lxml')
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for item in soup2.select("#pageLink"):
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banmianming = item.text.split("：")[-1]
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banmianhao = item.text.split("：")[0]
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url2 = f"http://paper.people.com.cn/rmrb/html/{period_name.strftime('%Y-%m/%d')}/" + item.get(
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"href").replace("./", "").strip()
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"""http://paper.people.com.cn/rmrb/html/2024-01/01/nw.D110000renmrb_20240101_1-01.htm"""
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url2)
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response3 = await client.get(url2)
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response3.encoding = response3.charset_encoding
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print(f"三级连接状态：{response3.status_code}")
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if response3.status_code == 200:
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soup3 = BeautifulSoup(response3.text, 'lxml')
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for item2 in soup3.select(".news-list a"):
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url3 = f"http://paper.people.com.cn/rmrb/html/{period_name.strftime('%Y-%m/%d')}/" + item2.get(
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"href").replace(
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"./", "").strip()
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"""http://paper.people.com.cn/rmrb/html/2024-01/01/nw.D110000renmrb_20240101_1-01.htm"""
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if await collection.find_one({"detail_url": url3}, {"_id": False}):
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continue
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url3)
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response4 = await client.get(url3)
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response4.encoding = response4.charset_encoding
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print(f"四级连接状态：{response4.status_code}")
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if response4.status_code == 200:
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soup4 = BeautifulSoup(response4.text, 'html.parser')
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try:
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comments = soup4.find_all(
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string=lambda text: isinstance(text, Comment))
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for comment in comments:
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if 'mpproperty' in comment:
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enpproperty_content = comment.strip()
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inner_soup = BeautifulSoup(enpproperty_content,
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'html.parser')
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# 提取特定标签值
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title = inner_soup.find('founder-title').text.strip()
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perTitle = inner_soup.find(
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'founder-introtitle').text.strip()
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subTitle = inner_soup.find("founder-subtitle").text.strip()
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author = inner_soup.find('founder-author').text.strip()
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keywordlist = inner_soup.find(
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"founder-keyword").text.strip()
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except:
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title = title
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perTitle = ""
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subTitle = ""
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author = ""
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content = await getContent(soup4)
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await collection.insert_one({
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"title": title,
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"subtitle": subTitle,
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"preTitle": perTitle,
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"author": author,
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"banmianming": banmianming,
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"banmianhao": banmianhao,
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'detail_url': url3,
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'release_time': period_name,
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'insert_timestamp': datetime.today(),
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'content': content
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})
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crawl_num += 1
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print(
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f"人民日报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}---{title}---采集完成！")
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await asyncio.sleep(random.randint(5, 15))
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print(
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f"人民日报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}-----采集完成！")
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await asyncio.sleep(random.randint(5, 15))
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print(
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f"人民日报---{period_name.strftime('%Y-%m-%d')}------采集完成！")
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await asyncio.sleep(random.randint(5, 15))
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except Exception as e:
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print(e)
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await collection.insert_one(
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{'banmianhao': 'empty',
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'banmianming': 'empty',
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'preTitle': 'empty',
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'title': 'empty',
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'subtitle': 'empty',
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'author': 'empty',
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'keywordlist': 'empty',
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'detail_url': url,
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'release_time': period_name,
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'insert_timestamp': datetime.today(),
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'content': 'empty'}
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)
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else:
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# 构造URL
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url = f'http://paper.people.com.cn/rmrb/pc/layout/{month.strftime("%Y%m")}/period.xml'
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"""http://paper.people.com.cn/rmrb/pc/layout/202412/period.xml"""
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url)
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async with AsyncClient(headers=headers, timeout=60) as client:
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response = await client.get(url)
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response.encoding = response.charset_encoding
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print(f"一级连接状态：{response.status_code}")
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if response.status_code == 200:
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soup = BeautifulSoup(response.text, 'xml')
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for period in soup.select("period"):
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period_name = datetime.strptime(period.find("period_name").text.strip(), "%Y-%m-%d")
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front_page = period.find("front_page").text.strip()
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try:
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url1 = f"http://paper.people.com.cn/rmrb/pc/layout/{period_name.strftime('%Y%m/%d')}/{front_page}"
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"""http://paper.people.com.cn/rmrb/pc/layout/202502/01/node_1.html"""
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url1)
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response2 = await client.get(url1)
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response2.encoding = response2.charset_encoding
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print(f"二级连接状态：{response2.status_code}")
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if response2.status_code == 200:
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soup2 = BeautifulSoup(response2.text, 'lxml')
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for item in soup2.select("#pageLink"):
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banmianming = item.text.split("：")[-1]
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banmianhao = item.text.split("：")[0]
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url2 = f"http://paper.people.com.cn/rmrb/pc/layout/{period_name.strftime('%Y%m/%d')}/" + item.get(
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"href").replace("./", "").strip()
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"""http://paper.people.com.cn/rmrb/pc/layout/202502/01/node_1.html"""
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url2)
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response3 = await client.get(url2)
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response3.encoding = response3.charset_encoding
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print(f"三级连接状态：{response3.status_code}")
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if response3.status_code == 200:
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soup3 = BeautifulSoup(response3.text, 'lxml')
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for item2 in soup3.select(".news-list a"):
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url3 = f"http://paper.people.com.cn/rmrb/pc/" + item2.get(
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"href").replace(
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"../", "").strip()
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"""http://paper.people.com.cn/rmrb/pc/content/202502/07/content_30055144.html"""
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if await collection.find_one({"detail_url": url3}, {"_id": False}):
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continue
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print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url3)
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response4 = await client.get(url3)
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response4.encoding = response4.charset_encoding
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print(f"四级连接状态：{response4.status_code}")
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if response4.status_code == 200:
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soup4 = BeautifulSoup(response4.text, 'html.parser')
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try:
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comments = soup4.find_all(
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string=lambda text: isinstance(text, Comment))
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for comment in comments:
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if 'enpproperty' in comment:
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# 提取注释内容
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enpproperty_content = comment.strip()
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inner_soup = BeautifulSoup(enpproperty_content,
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'html.parser')
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# 提取特定标签值
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title = inner_soup.find('title').text.strip()
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perTitle = inner_soup.find('introtitle').text.strip()
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subTitle = inner_soup.find("subtitle").text.strip()
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author = inner_soup.find('author').text.strip()
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except:
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title = title
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perTitle = ""
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subTitle = ""
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author = ""
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content = await getContent(soup4)
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await collection.insert_one({
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"title": title,
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"subtitle": subTitle,
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"preTitle": perTitle,
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"author": author,
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"banmianming": banmianming,
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"banmianhao": banmianhao,
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'detail_url': url3,
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'release_time': period_name,
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'insert_timestamp': datetime.today(),
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'content': content
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})
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crawl_num += 1
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print(
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f"人民日报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}---{title}---采集完成！")
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await asyncio.sleep(random.randint(5, 15))
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print(
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f"人民日报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}-----采集完成！")
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await asyncio.sleep(random.randint(5, 15))
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print(
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f"人民日报---{period_name.strftime('%Y-%m-%d')}------采集完成！")
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await asyncio.sleep(random.randint(5, 15))
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except Exception as e:
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print(e)
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await collection.insert_one(
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{'banmianhao': 'empty',
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'banmianming': 'empty',
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'preTitle': 'empty',
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'title': 'empty',
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'subtitle': 'empty',
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'author': 'empty',
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'keywordlist': 'empty',
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'detail_url': url,
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'release_time': period_name,
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'insert_timestamp': datetime.today(),
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'content': 'empty'}
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)
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print(f"人民日报采集完毕，共采集{crawl_num}条数据！")
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asyncio.run(main())
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