Created
October 17, 2013 05:19
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比 regular expression 更有效濾掉 html tag 的方式
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| from lxml.html import parse | |
| from lxml import etree | |
| import cStringIO | |
| def remove_tags(html, strip_tags = ["script"]): | |
| b = cStringIO.StringIO(html) | |
| root = parse(b).getroot() | |
| for tag in strip_tags: | |
| for element in root.iter(tag): | |
| element.drop_tree() | |
| return etree.tostring(root) | |
| if __name__ == "__main__": | |
| test_body = """ | |
| <head> | |
| <title>javascript - how to remove text between <script> and </script> using python? - Stack Overflow</title> | |
| <link rel="shortcut icon" href="//cdn.sstatic.net/stackoverflow/img/favicon.ico"> | |
| <link rel="apple-touch-icon image_src" href="//cdn.sstatic.net/stackoverflow/img/apple-touch-icon.png"> | |
| <link rel="search" type="application/opensearchdescription+xml" title="Stack Overflow" href="/opensearch.xml"> | |
| <meta name="twitter:card" content="summary"> | |
| <meta name="twitter:domain" content="stackoverflow.com"/> | |
| <meta name="og:type" content="website" /> | |
| <meta name="og:image" content="http://cdn.sstatic.net/stackoverflow/img/apple-touch-icon@2.png?v=fde65a5a78c6"/> | |
| <meta name="og:title" content="how to remove text between <script> and </script> using python?" /> | |
| <meta name="og:description" content="If you're removing everything between &lt;script&gt; and &lt;/script&gt; why not just remove the entire node? | |
| Are you expecting a resig-style src and body? | |
| " /> | |
| <meta name="og:url" content="http://stackoverflow.com/questions/964459/how-to-remove-text-between-script-and-script-using-python/964487"/> | |
| <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> | |
| <script src="//cdn.sstatic.net/Js/stub.en.js?v=3a1a88fb5ba5" type="text/javascript"></script> | |
| <link rel="stylesheet" type="text/css" href="//cdn.sstatic.net/stackoverflow/all.css?v=eee059983a6e"> | |
| <link rel="alternate" type="application/atom+xml" title="Feed for question 'how to remove text between <script> and </script> using python?'" href="/feeds/question/964459"> | |
| <script type="text/javascript"> | |
| StackExchange.ready(function () { | |
| StackExchange.using("postValidation", function () { | |
| StackExchange.postValidation.initOnBlurAndSubmit($('#post-form'), 2, 'answer'); | |
| }); | |
| StackExchange.question.init({canOpenBounty:true,votesCast:[{"PostId":964459,"VoteTypeId":2},{"PostId":964459,"VoteTypeId":5},{"PostId":964485,"VoteTypeId":2},{"PostId":965236,"VoteTypeId":2}],canViewVoteCounts:true,totalCommentCount:0,shownCommentCount:0,highlightColor:'#F4A83D',backgroundColor:'#FFF',questionId:964459}); | |
| styleCode(); | |
| StackExchange.realtime.subscribeToQuestion('1', '964459'); | |
| }); | |
| </script> | |
| <script type="text/javascript"> | |
| StackExchange.ready(function () { | |
| StackExchange.realtime.init('ws://sockets.ny.stackexchange.com'); | |
| StackExchange.realtime.subscribeToInboxNotifications(); | |
| StackExchange.realtime.subscribeToReputationNotifications('1'); | |
| }); | |
| </script> | |
| <script type="text/javascript"> | |
| StackExchange.init({"locale":"en","stackAuthUrl":"https://stackauth.com","serverTime":1381937438,"styleCode":true,"enableUserHovercards":true,"site":{"name":"Stack Overflow","description":"Q&A for professional and enthusiast programmers","isNoticesTabEnabled":true,"recaptchaPublicKey":"6LdchgIAAAAAAJwGpIzRQSOFaO0pU6s44Xt8aTwc","enableSocialMediaInSharePopup":true},"user":{"fkey":"d1835a982835720138953e5727236438","isRegistered":true,"userType":3,"userId":482169,"accountId":223139,"gravatar":"<div class=\"\"><img src=\"https://www.gravatar.com/avatar/5bc4178afdb6745063547b26ceac5742?s=32&d=identicon&r=PG\" alt=\"\" width=\"32\" height=\"32\"></div>","profileUrl":"http://stackoverflow.com/users/482169/lucemia","notificationsUnviewedCount":0,"inboxUnviewedCount":0}}); | |
| StackExchange.using.setCacheBreakers({"js/prettify-full.en.js":"e0bbd4760e83","js/moderator.en.js":"1a411fd265fe","js/full-anon.en.js":"d2d6bfa6e0f2","js/full.en.js":"70679ae5f38a","js/wmd.en.js":"3b1fa237ee0a","js/third-party/jquery.autocomplete.min.js":"e5f01e97f7c3","js/third-party/jquery.autocomplete.min.en.js":"","js/mobile.en.js":"98eaf3ec452d","js/help.en.js":"8891d63dccb3","js/tageditor.en.js":"f18986485d8f","js/tageditornew.en.js":"172e95af9b71","js/inline-tag-editing.en.js":"499a39b24fd2","js/revisions.en.js":"1dead817b481","js/review.en.js":"53b28a79980b","js/tagsuggestions.en.js":"a7d0f3ff530a","js/post-validation.en.js":"46508df60bf9","js/explore-qlist.en.js":"73825bd006fc","js/events.en.js":"130d4e07b47b"}); | |
| </script> | |
| </head> | |
| """ | |
| print remove_tags(test_body) | |
| print remove_tags(test_body, ["meta", "script"]) |
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