update 5.20 all data
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131
code/caict-bg.py
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131
code/caict-bg.py
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#!/usr/bin/env python
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# -*- coding:utf-8 -*-
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# Author: yiliyas
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# Date: 2022.5.19
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import re
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from urllib import request
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# 1.获取数据
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def get_html(url):
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# https 模拟浏览器头
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headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.75 Safari/537.36'}
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req = request.Request(url,headers=headers)
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# 处理异常,忽略错误,继续执行
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try:
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response=request.urlopen(req)
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content=response.read().decode('utf-8')
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return content
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except:
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content='test2022!'
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pass
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# 2.处理数据(设置匹配条件)
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def get_url(content):
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# 根据地址不同,判断设置不同的匹配条件(第一层,文件标题)
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pattern = re.compile('<td.*?><span.*?>.*?<a href="(.*?)".*?>(.*?)</a>.*?</td>.*?<td.*?><span.*?>(.*?)</span></td>',re.S)
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# 处理异常,忽略错误,继续执行
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try:
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items = re.findall(pattern,content)
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return items
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except:
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pass
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def get_url2(content):
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# 根据地址不同,判断设置不同的匹配条件(第2层,文件下载地址)
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pattern = re.compile('<b>【全文下载】</b>.*?<a href="(.*?)".*?class=kxyj_text>(.*?)</a>',re.S)
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# 处理异常,忽略错误,继续执行
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try:
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items = re.findall(pattern,content)
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return items
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except:
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pass
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# 3.显示数据
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def show_result(items):
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# 根据地址不同,判断设置不同的匹配条件
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# 计数器
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global tsum
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tsum = 0
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# 获取待下载文件的第一层地址:文件标题
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# 处理异常,忽略错误,继续执行
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try:
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for item in items:
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url = item[0]
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cname = item[1]
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cdate = item[2]
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url2 = 'http://www.caict.ac.cn/kxyj/qwfb/ztbg' + str(url).replace('./', '/')
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strs1 = '|[' + cname + '](' + url2 + ')' + '|' + cdate
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tsum = tsum + 1
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# print(strs1)
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# 获取待下载文件的第二层地址:文件下载地址
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html2 = get_html(url2)
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items2 = get_url2(html2)
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# 处理异常,忽略错误,继续执行
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try:
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for item2 in items2:
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url3 = item2[0]
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url3 = str(url3)
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ss = url3[4:10]
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url3 = 'http://www.caict.ac.cn/kxyj/qwfb/ztbg/' + ss + str(url3).replace('./', '/')
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uname = item[1]
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# markdown格式文本
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strs2 = strs1 + '|[' + uname + '](' + url3 + ')'
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print(strs2)
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except:
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pass
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except:
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pass
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# 4.下载数据(写入文件)
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def get_file(url):
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file_name = url.split('/')[-1]
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# 设置下载路径(根据实际情况修改)
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file_names='E:/download/'+file_name
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req = request.Request(url)
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u = request.urlopen(req)
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f = open(file_names, 'wb')
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block_sz = 8192
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while True:
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buffer = u.read(block_sz)
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if not buffer:
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break
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f.write(buffer)
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f.close()
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print ("Sucessful to download" + " " + file_names)
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# 下载最新数据
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url = 'http://www.caict.ac.cn/kxyj/qwfb/ztbg/index.htm'
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html = get_html(url)
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items = get_url(html)
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show_result(items)
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# 下载历史数据
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tsum = 0 #计数器
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tsums = 0 #累加计数器
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# 获得总页数(手动调整)
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for i in range(1,12):
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url = 'http://www.caict.ac.cn/kxyj/qwfb/ztbg/index_'+str(i)+'.htm'
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# 获取信息
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html = get_html(url)
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# 获取下载地址
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items = get_url(html)
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# 下载显示数据
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show_result(items)
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# 计数器累加
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tsums = tsum + tsums
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psums = str(tsum)+'/'+str(tsums)
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print(psums)
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# 统计总数
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tsums = '总计: '+str(tsums)+' 个文件'
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print(tsums)
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