蟒蛇美丽汤 - 问题阅读<span>



我试图从以下HTML中提取"品牌标志"、"产品名称"、"价格"one_answers"最佳价格":

<div class="container">
<div class="catalog-wrapper">
<div class="slideout-filters"></div>
<section class="catalog-top-banner"></section>
<section class="search-results">
<section class="catalog">
<div class="row">
<div class="col-xs-12 col-md-4 col-lg-3">
<div class="col-xs-12 col-md-8 col-lg-9">
<div class="catalog-container">
<a class="catalog-product catalog-item ">
<div class="product-image "></div>
<div class="product-description">
<div>
<div class="brand-logo">
<span>PACO RABANNE</span>
</div>
<span class="product-name">
PACO RABANNE PERFUME MUJER 30 ML
</span>
<span class="price">Normal: S/ 219</span>
<span class="best-price  ">Internet: S/ 209</span>

"品牌标识"one_answers"产品名称",做了,但我看不懂"价格"one_answers"最优惠价格"我是这样尝试的:

box_3 = soup.find('div','col-xs-12 col-md-8 col-lg-9')   
for div in box_3.find_all('div','product-description'):
d={}
d["Marca"] = div.find_all("div",{"class","brand-logo"})[0].getText()    
d["Producto"] = div.find_all("span",{"class","product-name"})[0].getText()    
d["Precio"] = div.find_all('span',class_='price')    
d["Oferta"] = div.find_all('span',class_='best-price  ')    
l.append(d)
l

out:

{'Marca': 'PACO RABANNE',
'Oferta': [],
'Precio': [<span class="price">Normal: S/ 219</span>],
'Producto': 'PACO RABANNE PERFUME MUJER 30 ML'}

有人能帮我吗

您可以找到"product-description"div,然后迭代所需的div类:

from bs4 import BeautifulSoup as soup
import re
_to_find = ['brand-logo', 'product-name', 'price', 'best-price']
s = soup(content, 'html.parser').find('div', {'class':'product-description'})
final_results = [(lambda x: s.find('span', {'class':i}).text if not x else x.text)(s.find('div', {'class':i})) 
for i in _to_find] 
filtered = [re.sub('^[ns]+|[ns]+$', '', i) for i in final_results]

输出:

['PACO RABANNE', 'PACO RABANNE PERFUME MUJER 30 ML', 'Normal: S/ 219', 'Internet: S/ 209']

不幸的是,如果没有实际的网站,我无法检查解决方案:(.

也许你应该以与工作部分相同的方式从"不工作"部分提取数据(这是幸运的猜测——没有网站或只有bs4解析的网站,我真的无法测试它(。

d["Precio"] = div.find_all('span',{"class","price"})[0].getText()    
d["Oferta"] = div.find_all('span',{"class","best-price"})[0].getText() 

制作新的方法/函数来获取所选的属性并处理潜在的错误可能是个好主意。

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