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) |
希望本文所述对大家的Python程序设计有所帮助。