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

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 = 'https://www.zabbix.com/documentation/3.4/zh/manual'
base_url = 'https://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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