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Convert Unicode String to a Byte String in Python
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Convert Unicode to ASCII in Python

Last Updated : 29 Aug, 2024
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Unicode is the universal character set and a standard to support all the world's languages. It contains 140,000+ characters used by 150+ scripts along with various symbols. ASCII on the other hand is a subset of Unicode and the most compatible character set, consisting of 128 letters made of English letters, digits, and punctuation, with the remaining being control characters. This article deals with the conversion of a wide range of Unicode characters to a simpler ASCII representation using the Python library anyascii.

The text is converted from character to character. The mappings for each script are based on conventional schemes. Symbolic characters are converted based on their meaning or appearance. If the input contains ASCII (American Standard Code for Information Interchange) characters, they are untouched, the rest are all tried to be converted to ASCII. Unknown characters are removed.

Installation:

To install this module type the below command in the terminal.

pip install anyascii

Example 1: Working with Several languages

In this, various different languages like Unicode are set as input, and output is given as converted ASCII characters. 

Python3 
from anyascii import anyascii  # checking for Hindi script hindi_uni = anyascii('नमस्ते विद्यार्थी')  print("The translation from hindi Script : "       + str(hindi_uni))  # checking for Punjabi script pun_uni = anyascii('ਸਤਿ ਸ੍ਰੀ ਅਕਾਲ')  print("The translation from Punjabi Script : "       + str(pun_uni))

Output : 

The translation from hindi Script : nmste vidyarthi
The translation from Punjabi Script : sti sri akal

Example 2: Working with Unicode Emojis and Symbols

This library also handles working with emojis and symbols, which are generally Unicode representations. 

from anyascii import anyascii# working with emoji example
emoji_uni = anyascii('???? ???? ????')print("The ASCII from emojis : "
      + str(emoji_uni))# checking for Symbols
sym_uni = anyascii('➕ ☆ ℳ')print("The ASCII from Symbols : "
      + str(sym_uni))

Output:

The ASCII from emojis : :sunglasses: :crown: :apple:
The ASCII from Symbols : :heavy_plus_sign: * M

Using the iconv Utility:

Approach:

The iconv utility is a system command-line tool that can convert text from one character encoding to another. You can use the subprocess module to call the iconv utility from Python.

Python3 
import subprocess  unicode_string = "Héllo, Wörld!" process = subprocess.Popen(['iconv', '-f', 'utf-8', '-t', 'ascii//TRANSLIT'], stdin=subprocess.PIPE, stdout=subprocess.PIPE) output, error = process.communicate(input=unicode_string.encode())  ascii_string = output.decode()  print(ascii_string)

Output
Hello, World!

Time Complexity: O(n)
Auxiliary Space: O(n)


Next Article
Convert Unicode String to a Byte String in Python
author
manjeet_04
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Article Tags :
  • Python
  • ASCII
  • python-modules
Practice Tags :
  • python

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