guoneimeitishujucaiji/国内党媒/CrawlZhongguocaijingbao.py

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# _*_ coding : UTF-8 _*_
# @Time : 2024/11/18 23:31
# @UpdateTime : 2024/11/18 23:31
# @Author : haochen zhong
# @File : CrawlZhongguocaijingbao.py
# @Software : PyCharm
# @Comment : 本程序采集中国财经报数据
import asyncio
import random
from datetime import datetime
from bs4 import BeautifulSoup
from httpx import AsyncClient
from motor.motor_asyncio import AsyncIOMotorClient
start_date = datetime.strptime('2017-11', '%Y-%m')
"""中国财经报2017年11月份开始有数据"""
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'}
# 链接数据库
client = AsyncIOMotorClient('mongodb://localhost:27017')
db = client['buweijiguanbao']
collection = db['zhongguocaijingbao']
async def main():
collection_names = await db.list_collection_names()
# 判断数据表是否存在
if "zhongguocaijingbao" not in collection_names:
# 如果不存在则从2017年9月开始爬取
print("中国财经报数据表不存在,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 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
async with AsyncClient(headers=headers, timeout=60) as client:
for month in months:
# 构造URL
url = "http://114.118.9.73/reader/layout/getSZBDate.do"
try:
response = await client.post(url, params={"sj": month.strftime("%Y-%m")})
response.encoding = response.charset_encoding
print(f"一级连接状态:{response.status_code}")
if response.status_code == 200:
data = response.json()
for item in data:
url2 = "http://114.118.9.73/reader/layout/findBmMenu.do"
response2 = await client.post(url2, params={"docPubTime": item.replace("/", "")})
response2.encoding = response2.charset_encoding
print(f"二级连接状态:{response2.status_code}")
if response2.status_code == 200:
data2 = response2.json()
for item2 in data2:
banmianming = item2["BM"]
banmianhao = item2["BC"]
url3 = f"http://114.118.9.73/reader/layout/getBmDetail.do?bc={item2['IRCATELOG']}&docpubtime={item.replace('/', '')}"
"""http://114.118.9.73/reader/layout/getBmDetail.do?bc=01&docpubtime=20171111"""
print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"), url3)
response3 = await client.get(url3)
response3.encoding = response3.charset_encoding
print(f"三级连接状态:{response3.status_code}")
if response3.status_code == 200:
data3 = response3.json()
for item3 in data3:
url4 = "http://114.118.9.73/reader/layout/detailData.do"
response4 = await client.post(url4, params={"guid": item3['ZB_GUID']})
response4.encoding = response4.charset_encoding
print(f"四级连接状态:{response4.status_code}")
if response4.status_code == 200:
data4 = response4.json()
title = BeautifulSoup(data4['docTitle'], "lxml").text
subTitle = BeautifulSoup(data4['fb'], "lxml").text
preTitle = BeautifulSoup(data4['yt'], "lxml").text
author = data4['docAuthor']
content = BeautifulSoup(data4["content"], "lxml").text
await collection.insert_one({
"title": title,
"subtitle": subTitle,
"preTitle": preTitle,
"author": author,
"banmianming": banmianming,
"banmianhao": banmianhao,
'keywordlist': "empty",
'detail_url': f"http://114.118.9.73/epaper/index.html?guid={item3['ZB_GUID']}",
'release_time': datetime.strptime(data4["docPubTime"],
"%Y/%m/%d %H:%M:%S"),
'insert_timestamp': datetime.today(),
'content': content
})
crawl_num += 1
print(
f"中国财经报---{item}---{banmianming}---{banmianhao}---{title}---采集完成!")
await asyncio.sleep(random.randint(5, 15))
print(f"中国财经报---{item}---{banmianming}---{banmianhao}-----采集完成!")
await asyncio.sleep(random.randint(5, 15))
print(f"中国财经报---{item}----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': month,
'insert_timestamp': datetime.today(),
'content': 'empty'}
)
asyncio.run(main())