python中django框架通过正则搜索页面上email地址的方法_Python

python中django框架通过正则搜索页面上email地址的方法

2020-05-23 11:17脚本之家 Python

这篇文章主要介绍了python中django框架通过正则搜索页面上email地址的方法,涉及django框架及正则表达式的使用技巧,需要的朋友可以参考下

本文实例讲述了python中django框架通过正则搜索页面上email地址的方法。分享给大家供大家参考。具体实现方法如下：

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									import re

									from django.shortcuts import render

									from pattern.web import URL, DOM, abs, find_urls

									def index(request):

									 """

									 find email addresses in requested url or contact page

									 """

									 error = ''

									 emails = set()

									 url_string = request.GET.get('url', '')

									 EMAIL_REGEX = re.compile(r'[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}', re.IGNORECASE)

									 # use absolute url or domain name

									 url = URL(url_string) if url_string.startswith('http') else URL(domain=url_string,protocol='http')

									 if url_string:

									 try:

									  dom = DOM(url.download(cached=True))

									 except Exception, e:

									  error = e

									 else:

									  contact_urls = { url.string }

									  # search links of contact page

									  for link in dom('a'):

									  if re.search(r'contact|about', link.source, re.IGNORECASE):

									   contact_urls.add(

									   abs(link.attributes.get('href',''), base=url.redirect or url.string))

									  for contact_url in contact_urls:

									  # download contact page

									  dom = DOM(URL(contact_url).download(cached=True))

									  # search emails in the body of the page

									  for line in dom('body')[0].content.split('\n'):

									   found = EMAIL_REGEX.search(line)

									   if found:

									   emails.add(found.group())

									 data = {

									 'url': url_string,

									 'emails': emails,

									 'error': error,

									 }

									 return render(request, 'index.html', data)