如何使用Beautiful Soup来<script>标签？

时间：2019-12-02 07:50:58

标签： python beautifulsoup

在给定的.html页面中，我有一个脚本标签，如下所示：

<script type="application/javascript">
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TL","value":999.9},"currency":"TRY"},"attributeBeautifiedValue":"37-5","isWinner":false,"listingId":"93cde909de0155ddb4ed75dec1cc0924","stock":null,"sellable":true,"availableForClaim":true,"barcode":"190510862196"},{"attributeId":338,"attributeName":"Beden","attributeType":"Size","attributeValue":"38","stamps":[{"type":3,"text":"%60"}],"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 TL","value":999.9},"currency":"TRY"},"attributeBeautifiedValue":"38","isWinner":false,"listingId":"f44f564c25a978510e349af3ad806670","stock":null,"sellable":true,"availableForClaim":true,"barcode":"190510862202"},{"attributeId":338,"attributeName":"Beden","attributeType":"Size","attributeValue":"38,5","stamps":[{"type":3,"text":"%60"}],"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 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      </script>

如何使用Beautiful Soup提取条形码编号？ （“条形码”：“ 190510862189”}）

2 个答案:

答案 0 :(得分：1)

使用正则表达式。

例如： 

import re
import json
from bs4 import BeautifulSoup
html = """<script type="application/javascript">
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TL","value":999.9},"currency":"TRY"},"attributeBeautifiedValue":"36","isWinner":false,"listingId":"f927d969d0f4351df402d271008b093a","stock":null,"sellable":true,"availableForClaim":true,"barcode":"190510862172"},{"attributeId":338,"attributeName":"Beden","attributeType":"Size","attributeValue":"36,5","stamps":[{"type":3,"text":"%60"}],"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 TL","value":999.9},"currency":"TRY"},"attributeBeautifiedValue":"36-5","isWinner":false,"listingId":"2290fdf18ec4363b088b859a9ca05cf8","stock":null,"sellable":true,"availableForClaim":true,"barcode":"190510862189"},{"attributeId":338,"attributeName":"Beden","attributeType":"Size","attributeValue":"37,5","stamps":[{"type":3,"text":"%60"}],"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 TL","value":999.9},"currency":"TRY"},"attributeBeautifiedValue":"37-5","isWinner":false,"listingId":"93cde909de0155ddb4ed75dec1cc0924","stock":null,"sellable":true,"availableForClaim":true,"barcode":"190510862196"},{"attributeId":338,"attributeName":"Beden","attributeType":"Size","attributeValue":"38","stamps":[{"type":3,"text":"%60"}],"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 TL","value":999.9},"currency":"TRY"},"attributeBeautifiedValue":"38","isWinner":false,"listingId":"f44f564c25a978510e349af3ad806670","stock":null,"sellable":true,"availableForClaim":true,"barcode":"190510862202"},{"attributeId":338,"attributeName":"Beden","attributeType":"Size","attributeValue":"38,5","stamps":[{"type":3,"text":"%60"}],"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 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fiyatıdır.\u003c/li>\u003c/ul>","productGroupId":5771518,"tax":8,"businessUnit":"Sportswear","gender":{"name":"Kadın","id":1},"url":"/under-armour/kadin-kosu-antrenman-ayakkabisi-ua-w-speedform-europa-1285482-002-p-6740744?boutiqueId=376097&merchantId=109430","images":["/Assets/ProductImages/oa/47/6740744/2/190510862257_1_org_zoom.jpg","/Assets/ProductImages/oa/47/6740744/2/190510862257_2_org_zoom.jpg","/Assets/ProductImages/oa/47/6740744/2/190510862257_3_org_zoom.jpg","/Assets/ProductImages/oa/47/6740744/2/190510862257_4_org_zoom.jpg"],"isSellable":true,"isBasketDiscount":false,"hasStock":true,"price":{"profitMargin":2,"discountedPrice":{"text":"399,90 TL","value":399.9},"sellingPrice":{"text":"399,90 TL","value":399.9},"originalPrice":{"text":"999,90 TL","value":999.9},"currency":"TRY"},"isFreeCargo":false,"promotions":[],"merchant":{"id":109430,"name":"Under Armour","officialName":"DOĞUŞ PERAKENDE SATIŞ GİY. VE AKS.TİC. A.Ş.(UNDER ARMOUR)","cityName":" İstanbul ","taxNumber":"3090344202","sellerScore":9.2},"deliveryInformation":{"isRushDelivery":false,"deliveryDate":"3 - 24 Aralık"},"isMarketplace":true,"productStamps":[],"hasHtmlContent":false,"favoriteCount":192,"uxLayout":"Fashion"},"reviews":{"contentSummary":{"ratingCounts":[],"userCommentExist":false,"averageRating":0,"totalCommentCount":0,"totalRatingCount":0},"productReviews":{"totalElements":0,"totalPages":0,"content":[],"userCommentExist":false},"productSummary":null},"htmlContent":null,"user":{"loggedIn":false,"id":0,"isBuyer":false},"configuration":{"htmlContentCssUrl":"https://static.dsmcdn.com/frontend/pim/rich-content/production/main.cf9ab001241f21c7ffef520f9487ab4d.css","htmlContentJsUrl":"https://static.dsmcdn.com/frontend/pim/rich-content/production/main.8050003e34b702b545d67ec9d05bf408.js","storefrontId":1,"culture":"tr-TR","cdnUrl":"https://img-trendyol.mncdn.com","claimInfoText":"15 gün içinde ücretsiz iade.","ratingReviewEnabled":true,"ratingReviewLikesEnabled":false,"languageCode":"tr","sizeCharts":[["Güneş Gözlüğü","https://img-trendyol.mncdn.com/assets/banner/2018/webBanners/bedenTablosu/gozluk_beden_tablosu.jpg","Gözlük Beden Kılavuzu"],["İmaj Gözlükleri","https://img-trendyol.mncdn.com/assets/banner/2018/webBanners/bedenTablosu/gozluk_beden_tablosu.jpg","Gözlük Beden Kılavuzu"],["Saat","https://img-trendyol.mncdn.com/assets/banner/2018/webBanners/bedenTablosu/saatler_beden_tablosu.jpg","Saat Beden Kılavuzu"]],"enhancedEcommerceEnabled":true,"sellerAreaAbTest":"1","addReviewEnabled":true,"reviewReportAbuseEnabled":true,"crossProductsTitle":"Bu Ürünü Alanlar Bunları da Aldı","crossProductsEnabled":true,"recommendationEnabled":true,"productGroupEnabled":true,"htmlContentEnabled":true,"sellerAreaEnabled":true,"sellerPointLowLimit":8,"sizeChartUrl":"https://img-trendyol.mncdn.com/Assets/frontend-web-sizechart/tr1.html","productDetailMetaDescription":"Trendyol.com sayesinde {0} ürününe çok özel indirimlerle sahip olabilecek ve alışveriş alışkanlıklarınızı değiştireceksiniz.","schemaJsonEnabled":false,"siteAddress":"https://www.trendyol.com","notifyMeEnabled":true,"notifyMeCount":10,"accountGwFavoritesEnabled":true,"browsingGwUrl":"https://api.trendyol.com/webbrowsinggw","recommendationAbTestValue":"A_0-0,B_0-0,C_1-100","abTestingCookieName":"WebAbTesting","clientSideReviewsEnabled":false,"clientSideHtmlContentEnabled":false,"apiExternalEnabled":true}};
      </script>"""

soup = BeautifulSoup(html, "html.parser")
jstring = re.search(r"(?<=\=)(.*?)(?=\};)", soup.find('script').string).group(1)
data = json.loads(jstring + "}")
for elem in data['product']['variants']:
    print(elem['barcode'])

输出： 

190510862165
190510862172
190510862189
190510862196
190510862202
190510862219
190510862226
190510862233
190510862240
190510862257
190510862264

答案 1 :(得分：0)

BeautifulSoup并非用于执行或解析JavaScript。

幸运的是，这些数据看起来像JSON。您可以在标签内容上使用RegEx来隔离数据，将其解析为JSON，然后访问所需的值。

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