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Python BeautifulSoup: Change the tag’s contents and replace with the given string

BeautifulSoup: Exercise-26 with Solution

Write a Python program to change the tag’s contents and replace with the given string.

Sample Solution:

Python Code:

from bs4 import BeautifulSoup
html_doc = '<a href="https://example.com/">HTML<i>example.com</i></a>'
soup = BeautifulSoup(html_doc, "lxml")
tag = soup.a
print("\nOriginal Markup:")
print(tag)
print("\nOriginal Markup with new text:")
tag.string = "CSS"
print(tag)

Sample Output:

Original Markup:
<a href="https://example.com/">HTML<i>example.com</i></a>

Original Markup with new text:
<a href="https://example.com/">CSS</a>

Python Code Editor:

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Previous: Write a Python program to find tags by CSS class in a given html document.
Next: Write a Python program to add to a tag’s contents in a given html document.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m