如何合并两个漂亮的汤标签?

How can I merge two beautiful soup tags?

我正在提取出现在页面正文中的所有 <ul> 标签,并立即连接它们前面的 <p> 标签。

text = BeautifulSoup(requests.get('http://www.getspokal.com/how-to-create-content-based-on-your-customers-pain-points/', timeout=7.00).text)

我用一个漂亮汤的函数来拉取合适的标签:

def funct(tag):
        return tag.name == 'ul' and not tag.attrs and not tag.li.attrs and not tag.a
ul_tags = text.find_all(funct)

这会提取三个 <ul> 标签。现在找到紧接在每个 <ul> 标签之前的 <p> 标签并连接:

combined = [(ul.find_previous("p") + ul) for ul in ul_tags]

这会产生一个错误

TypeError: unsupported operand type(s) for +: 'Tag' and 'Tag'

其中一个结果应该是这样的:

<p>For example, if you’re in the pet food industry, you might ask your existing customers:</p<ul><li>What challenges do you face on a regular basis with regards your pets?</li><li>Are there any underlying health issues that your pets have that causes you concern?</li><li>What is your biggest struggle when choosing appropriate food for your pet? </li></ul>

列表理解哪里出错了?

您应该将列表理解更改为:

combined = [(str(ul.find_previous("p")) + str(ul)) for ul in ul_tags]

问题是ul不是一个字符串,它实际上是一个bs4.element.Tag,所以你必须先转换它。