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Python BeautifulSoup: Parse tree into a nicely formatted Unicode string, with a separate line for each HTML/XML tag and string

BeautifulSoup: Exercise-20 with Solution

Write a Python program to create a Beautiful Soup parse tree into a nicely formatted Unicode string, with a separate line for each HTML/XML tag and string.

Sample Solution:

Python Code:

from bs4 import BeautifulSoup
str1 = "<p>Some<b>bad<i>HTML Code</i></b></p>"
print("Original string:")
print(str1)
soup = BeautifulSoup("<p>Some<b>bad<i>HTML Code</i></b></p>", "xml")
print("\nFormatted Unicode string:")
print(soup.prettify())

Sample Output:

Original string:
<p>Some<b>bad<i>HTML Code</i></b></p>

Formatted Unicode string:
<?xml version="1.0" encoding="utf-8"?>
<p>
 Some
 <b>
  bad
  <i>
   HTML Code
  </i>
 </b>
</p>

Python Code Editor:

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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