Python downloading JavaScript special effects in the library, pythonjavascript

Source: Internet
Author: User

Python downloading JavaScript special effects in the library, pythonjavascript

This is a simple Python script. It is mainly used to download JavaScript special effect templates from the lazy library. The gevent third-party library is used in the script and needs to be installed first.

#! /Usr/bin/python #-*-coding: UTF-8-*-import urllib, OS, sysimport gevent, refrom gevent import monkeyfrom bs4 import BeautifulSoupgevent. monkey. patch_socket () ''' Description: Python crawlers capture the JS Script Template Author: adminCreate-Date: 2015-05-25Version: 1.0 ''' HTTP_URL = 'HTTP: // www.lanw.uku.com % s 'Download _ URL = HTTP_URL [:-2] + '/js/d % szip 'reg = R' \ d {1 ,}\. + 'def encode (text): return text. encode ("utf8") def createDirectory (curPath): myPath = OS. path. join (getSubDirectory (), u 'js code template') if not OS. path. exists (myPath): OS. mkdir (myPath) return OS. path. join (myPath, curPath) def getSubDirectory (): return OS. getcwd () def schedule (a, B, c): per = 100.0 * a * B/c if per> 100: per = 100 sys. stdout. write ('%. 1f % \ R' % per) sys. stdout. flush () def geturllist (url): url_list ={} html = urllib. urlopen (url) content = html. read () html. close () # Use BeautifulSoup to parse decodeHtml = BeautifulSoup (content) try: aTags = decodeHtml. find_all ('div ', {'class': 'LIST-pngjs'}) [0]. find_all ('A') failed t IndexError, e: print e aTags = None # obtain the link address and title if aTags is not None: for a_tag in aTags: url_list [HTTP_URL % a_tag.get ('href ')] = a_tag.get_text () return url_list def download (down_url): try: m = re. search (reg, down_url [0]) name = DOWNLOAD_URL % m. group (0) urllib. urlretrieve (name, createDirectory (down_url [1] + name [-4:]), schedule) failed t Exception, e: print e. message def getpageurl (xUrl): # perform a list page loop return [xUrl % page for page in xrange ()] if _ name _ = '_ main _': jobs = [] pageurl = getpageurl ('HTTP: // www.lanw.uku.com/js/p;s.html ') # Crawling all links for I in pageurl: for k in geturllist (I ). items (): jobs. append (gevent. spawn (download, k) gevent. joinall (jobs)

The above is all the content of this article. I hope you will like it.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.