fix: 修复中国青年报采集链接变更问题

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皓月归尘 2025-02-07 23:09:30 +08:00
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# _*_ coding : UTF-8 _*_
# @Time : 2025/02/07 22:33
# @UpdateTime : 2025/02/07 22:33
# @Author : sonder
# @File : CrawlZhongguoqingnianbao.py
# @Software : PyCharm
# @Comment : 本程序
import asyncio
import random
from datetime import datetime
from bs4 import BeautifulSoup, Comment
from httpx import AsyncClient
from motor.motor_asyncio import AsyncIOMotorClient
start_date = datetime.strptime('2011-01', '%Y-%m')
"""中国青年报2011-01开始有效数据"""
end_date = datetime.today()
"""截止到今天"""
headers = {
'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'}
pattern = r'<a href=([^>]+)><div[^>]*>([^<]+)</div></a>'
# 链接数据库
client = AsyncIOMotorClient('mongodb://localhost:27017')
db = client['zydm']
collection = db['zgqnb']
async def main():
collection_names = await db.list_collection_names()
# 判断数据表是否存在
if "zgqnb" not in collection_names:
print("中国青年报数据表不存在,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("#ozoom p"):
para = p.text.strip()
if para:
content += para
content += '\n'
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):
"""
:param start_date: 开始日期
:param end_date: 结束日期
:return: None
"""
crawl_num = 0
# 创建一个列表保存月份
months = []
# 从开始日期到结束日期,每个月份都添加到列表中
current_date = start_date
current_date = current_date.replace(day=1)
while current_date <= end_date:
months.append(current_date)
# 增加一个月
if current_date.month == 12:
current_date = current_date.replace(year=current_date.year + 1, month=1)
else:
current_date = current_date.replace(month=current_date.month + 1)
# 遍历月份列表
for month in months:
if month < datetime(2024, 12, 1):
# 构造URL
url = f'https://zqb.cyol.com/html/{month.strftime("%Y-%m")}/period.xml'
"""https://zqb.cyol.com/html/2024-01/period.xml"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url)
async with AsyncClient(headers=headers, timeout=60) as client:
response = await client.get(url)
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, 'xml')
for period in soup.select("period"):
period_name = datetime.strptime(period.find("period_name").text.strip(), "%Y-%m-%d")
front_page = period.find("front_page").text.strip()
try:
url1 = f"https://zqb.cyol.com/html/{period_name.strftime('%Y-%m/%d')}/{front_page}"
"""https://zqb.cyol.com/html/2024-01/01/nbs.D110000zgqnb_01.htm"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url1)
response2 = await client.get(url1)
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 item in soup2.select("#pageLink"):
banmianming = item.text.split("")[-1]
banmianhao = item.text.split("")[0]
url2 = f"https://zqb.cyol.com/html/{period_name.strftime('%Y-%m/%d')}/" + item.get(
"href").replace("./", "").strip()
"""https://zqb.cyol.com/html/2024-01/01/nbs.D110000zgqnb_01.htm"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url2)
response3 = await client.get(url2)
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')
for item2 in soup3.select("#titleList li a"):
url3 = f"https://zqb.cyol.com/html/{period_name.strftime('%Y-%m/%d')}/" + item2.get(
"href").replace(
"./", "").strip()
"""https://zqb.cyol.com/html/2024-01/01/nw.D110000zgqnb_20240101_1-01.htm"""
if await collection.find_one({"detail_url": url3}, {"_id": False}):
continue
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url3)
response4 = await client.get(url3)
response4.encoding = response4.charset_encoding
print(f"四级连接状态:{response4.status_code}")
if response4.status_code == 200:
soup4 = BeautifulSoup(response4.text, 'html.parser')
try:
comments = soup4.find_all(
string=lambda text: isinstance(text, Comment))
for comment in comments:
if 'mpproperty' in comment:
enpproperty_content = comment.strip()
inner_soup = BeautifulSoup(enpproperty_content,
'html.parser')
# 提取特定标签值
title = inner_soup.find('title').text.strip()
perTitle = inner_soup.find(
'founder-introtitle').text.strip()
subTitle = inner_soup.find("founder-subtitle").text.strip()
author = inner_soup.find('author').text.strip()
except:
title = title
perTitle = ""
subTitle = ""
author = ""
content = await getContent(soup4)
await collection.insert_one({
"title": title,
"subtitle": subTitle,
"preTitle": perTitle,
"author": author,
"banmianming": banmianming,
"banmianhao": banmianhao,
'detail_url': url3,
'release_time': period_name,
'insert_timestamp': datetime.today(),
'content': content
})
crawl_num += 1
print(
f"中国青年报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}---{title}---采集完成!")
await asyncio.sleep(random.randint(5, 15))
print(
f"中国青年报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}-----采集完成!")
await asyncio.sleep(random.randint(5, 15))
print(
f"中国青年报---{period_name.strftime('%Y-%m-%d')}------采集完成!")
await asyncio.sleep(random.randint(5, 15))
except Exception as e:
print(e)
await collection.insert_one(
{'banmianhao': 'empty',
'banmianming': 'empty',
'preTitle': 'empty',
'title': 'empty',
'subtitle': 'empty',
'author': 'empty',
'detail_url': url,
'release_time': period_name,
'insert_timestamp': datetime.today(),
'content': 'empty'}
)
else:
# 构造URL
url = f'https://zqb.cyol.com/pc/layout/{month.strftime("%Y%m")}/period.xml'
"""https://zqb.cyol.com/pc/layout/202501/period.xml"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url)
async with AsyncClient(headers=headers, timeout=60) as client:
response = await client.get(url)
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, 'xml')
for period in soup.select("period"):
period_name = datetime.strptime(period.find("period_name").text.strip(), "%Y-%m-%d")
front_page = period.find("front_page").text.strip()
try:
url1 = f"https://zqb.cyol.com/pc/layout/{period_name.strftime('%Y%m/%d')}/{front_page}"
"""https://zqb.cyol.com/pc/layout/202502/07/node_01.html"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url1)
response2 = await client.get(url1)
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 item in soup2.select("#pageLink"):
banmianming = item.text.split("")[-1]
banmianhao = item.text.split("")[0]
url2 = f"https://zqb.cyol.com/pc/layout/{period_name.strftime('%Y%m/%d')}/" + item.get(
"href").replace("./", "").strip()
"""https://zqb.cyol.com/pc/layout/202502/07/node_01.html"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url2)
response3 = await client.get(url2)
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')
for item2 in soup3.select(".news-list a"):
url3 = f"https://zqb.cyol.com/pc/" + item2.get(
"href").replace(
"../", "").strip()
"""https://zqb.cyol.com/pc/content/202502/07/content_406551.html"""
if await collection.find_one({"detail_url": url3}, {"_id": False}):
continue
title = item2.text.strip()
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url3)
response4 = await client.get(url3)
response4.encoding = response4.charset_encoding
print(f"四级连接状态:{response4.status_code}")
if response4.status_code == 200:
soup4 = BeautifulSoup(response4.text, 'html.parser')
try:
comments = soup4.find_all(
string=lambda text: isinstance(text, Comment))
for comment in comments:
if 'enpproperty' in comment:
# 提取注释内容
enpproperty_content = comment.strip()
inner_soup = BeautifulSoup(enpproperty_content,
'html.parser')
# 提取特定标签值
title = inner_soup.find('title').text.strip()
perTitle = inner_soup.find('introtitle').text.strip()
subTitle = inner_soup.find("subtitle").text.strip()
author = inner_soup.find('author').text.strip()
except:
title = title
perTitle = ""
subTitle = ""
author = ""
content = await getContent(soup4)
await collection.insert_one({
"title": title,
"subtitle": subTitle,
"preTitle": perTitle,
"author": author,
"banmianming": banmianming,
"banmianhao": banmianhao,
'detail_url': url3,
'release_time': period_name,
'insert_timestamp': datetime.today(),
'content': content
})
crawl_num += 1
print(
f"中国青年报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}---{title}---采集完成!")
await asyncio.sleep(random.randint(5, 15))
print(
f"中国青年报---{period_name.strftime('%Y-%m-%d')}----{banmianming}---{banmianhao}-----采集完成!")
await asyncio.sleep(random.randint(5, 15))
print(
f"中国青年报---{period_name.strftime('%Y-%m-%d')}------采集完成!")
await asyncio.sleep(random.randint(5, 15))
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': period_name,
'insert_timestamp': datetime.today(),
'content': 'empty'}
)
print(f"中国青年报采集完毕,共采集{crawl_num}条数据!")
asyncio.run(main())