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Alexey Dudarev
Asked:2020-02-11 17:59:05 +0000 UTC2020-02-11 17:59:05 +0000 UTC

Python。如何从html中提取字典？

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下午好。如何从这个烂摊子中得到 data-params 字典？

<div class="subcategory-product-item product_data__gtm-js product_data__pageevents-js ddl_product" data-gtm-position="1" data-list-id="main" data-params='{"id":"393591","categoryId":214,"price":2290,"shortName":"Смартфон ARK Benefit S402 черный","categoryName":"Мобильные телефоны","brandName":"ARK"}'
python-3.x

1 个回答

  1. Best Answer

    首先，您可以使用正则表达式来突出显示所需的文本：

    import re

s = '<div class="subcategory-product-item product_data__gtm-js product_data__pageevents-js ddl_product" data-gtm-position="1" data-list-id="main" data-params=\'{"id":"393591","categoryId":214,"price":2290,"shortName":"Смартфон ARK Benefit S402 черный","categoryName":"Мобильные телефоны","brandName":"ARK"}\''
j = re.match('.*data-params=\'(.*)\'', s).group(1)

    然后使用库将字符串转换为字典ast

    import ast
d = ast.literal_eval(j)

    或json：

    import json
d = json.loads(j)
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