BeautifulSoup 从一个标签中获取文本，但忽略另一个标签中的文本答案

【问题标题】：BeautifulSoup Get text from one tag, but ignore text in anotherBeautifulSoup 从一个标签中获取文本，但忽略另一个标签中的文本
【发布时间】：2020-12-22 03:42:32
【问题描述】：

我有一些看起来像这样的文本：

 <item>
        <title>What Music Do You Build Robots to?</title>
        <dc:creator><![CDATA[@TaranMayer TaranMayer ]]></dc:creator>
        <description><![CDATA[ <aside class="quote no-group" data-username="DanMantz" data-post="34" data-topic="84065" data-full="true">
<div class="title">
<div class="quote-controls"></div>
<img alt="" width="20" height="20" src="https://www.vexforum.com/user_avatar/www.vexforum.com/danmantz/40/2285_2.png" class="avatar"> DanMantz:</div>
<blockquote>
<p>Classic Rock and Motown. I didn’t even consider that there are other options… <img src="https://www.vexforum.com/images/emoji/apple/slight_smile.png?v=9" title=":slight_smile:" class="emoji" alt=":slight_smile:"></p>
</blockquote>
</aside>
<p>This implies that you do indeed build robots. May we see some of your creations?</p> ]]></description>
        <link>https://www.vexforum.com/t/what-music-do-you-build-robots-to/84065/35</link>
        <pubDate>Wed, 02 Sep 2020 17:24:19 +0000</pubDate>
        <guid isPermaLink="false">www.vexforum.com-post-669073</guid>
</item>

使用 bs4，我想获取 <description> 标签中所有内容的文本，<blockquote> 标签中的内容除外。我想得到这个：

This implies that you do indeed build robots. May we see some of your creations?

我该怎么做？我试过寻求帮助，但找不到我需要的东西。

【问题讨论】：

标签： python beautifulsoup tags

【解决方案1】：

要得到想要的文本，可以使用.extract()方法：

from bs4 import BeautifulSoup, CData


txt = """<item>
        <title>What Music Do You Build Robots to?</title>
        <dc:creator><![CDATA[@TaranMayer TaranMayer ]]></dc:creator>
        <description><![CDATA[ <aside class="quote no-group" data-username="DanMantz" data-post="34" data-topic="84065" data-full="true">
<div class="title">
<div class="quote-controls"></div>
<img alt="" width="20" height="20" src="https://www.vexforum.com/user_avatar/www.vexforum.com/danmantz/40/2285_2.png" class="avatar"> DanMantz:</div>
<blockquote>
<p>Classic Rock and Motown. I didn’t even consider that there are other options… <img src="https://www.vexforum.com/images/emoji/apple/slight_smile.png?v=9" title=":slight_smile:" class="emoji" alt=":slight_smile:"></p>
</blockquote>
</aside>
<p>This implies that you do indeed build robots. May we see some of your creations?</p> ]]></description>
        <link>https://www.vexforum.com/t/what-music-do-you-build-robots-to/84065/35</link>
        <pubDate>Wed, 02 Sep 2020 17:24:19 +0000</pubDate>
        <guid isPermaLink="false">www.vexforum.com-post-669073</guid>
</item>"""

# load main soup:
soup = BeautifulSoup(txt, "html.parser")

# find CData in description
desc = soup.find("description").find_next(text=lambda t: isinstance(t, CData))
# create new soup
desc = BeautifulSoup(desc, "html.parser")

# extract tags we don't want
for a in desc.select("aside"):
    a.extract()

# print the text:
print(desc.text.strip())

打印：

This implies that you do indeed build robots. May we see some of your creations?

【讨论】：