替換Python中HTML字符串的文本部分中包含的某個字符

Question

我有一個有效的HTML字符串，例如

s = """<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>

<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>

<p class="story">...</p>"""

我想更換一個特定字符，比如a在此字符串x ，病情暫時只有a在HTML的內部文本發生的歷史將被更換，任何a是標記標簽或值的一部分，不應該被更換。

我嘗試使用BeautifulSoup及其get_text()方法，但這不能解決我的目的。 有什么辦法可以在Python中實現嗎？

Answer 1

您可以使用BeautifulSoup為您提供文檔中所有文本元素的列表。 然后，對於其中的每一個，您都可以使用replace_with()函數將NavigableString對象替換為更新版本，在您的情況下，將替換為必需的字符：

from bs4 import BeautifulSoup, NavigableString

s = """<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>

<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>

<p class="story">...</p>"""

soup = BeautifulSoup(s, "html.parser")

for text in list(soup.strings):
    text.replace_with(NavigableString(text.replace('a', 'x')))

print(soup)

因此，替換所有a與人物x會給你：

<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>
<p class="story">Once upon x time there were three little sisters; xnd their nxmes were
<a class="sister" href="http://example.com/elsie" id="link1">Elsie</a>,
<a class="sister" href="http://example.com/lacie" id="link2">Lxcie</a> xnd
<a class="sister" href="http://example.com/tillie" id="link3">Tillie</a>;
xnd they lived xt the bottom of x well.</p>
<p class="story">...</p></body></html>

替換Python中HTML字符串的文本部分中包含的某個字符

問題描述

1 個解決方案

解決方案1
0 已采納 2018-11-02 09:53:39

替換Python中HTML字符串的文本部分中包含的某個字符

問題描述

1 個解決方案

解決方案1 0 已采納 2018-11-02 09:53:39

解決方案1
0 已采納 2018-11-02 09:53:39