python爬虫 批量下载zabbix文档代码实例


						这篇文章主要介绍了python爬虫 批量下载zabbix文档代码实例,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下





# -*- coding: UTF-8 -*-

import requests,re,time

url = 'http://www.zabbix.com/documentation/3.4/zh/manual'

base_url = 'http://www.zabbix.com/documentation/3.4/'

seconds = 1

err_url = []

def get_urls():

  res = requests.get(url)

  content = res.text

  pattern = re.compile(r"indexmenu_4848130395ca30b274d8bd.add[(]'(zh/manual.*?)[']", re.S)

  routes = pattern.findall(content)

  urls = [base_url+item for item in routes]

  return urls 

def download(url):

  download_url = url + "?do=export_pdf"

  print("当前下载url:")

  print(download_url)

  res = requests.get(url)

  if res.status_code == 200 :

    pattern = re.compile(r"<title>(.*?)</title>", re.S)

    title = pattern.findall(res.text)[0].encode("utf-8")

    try:

      filename = title.replace('\\','-').replace('/','-').replace('"','-').replace('*','-').replace('?','-').replace(':','-').replace('<','-').replace('>','-').replace('|','-')

    except Exception:

       title = pattern.findall(res.text)[0]

    filename = title.replace('\\','-').replace('/','-').replace('"','-').replace('*','-').replace('?','-').replace(':','-').replace('<','-').replace('>','-').replace('|','-')

    file = filename + '.pdf'

    res = requests.get(download_url)

    if res.status_code == 200 :

      with open(file,"wb") as f:

        f.write(res.content)

      print('下载成功')

    else:

      print('下载失败')

      err_url.append(download_url)

  else:

    print('获取文件名失败，停止当前下载')

    err_url.append(download_url) 

def downloads(urls):

  for url in urls:

    download(url)

    time.sleep( seconds )

  if len(err_url) :

    print("下载失败的URL:")

    print(err_url) 

def main():

  print("下载开始")

  urls = get_urls()

  downloads(urls)

  print("下载完成") 

if __name__ == '__main__':

  main()



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