How to Handle UTF-8 Encoding in Python Source Code?

Addressing UTF-8 Encoding in Python Source Code

Issue

When attempting to encode UTF-8 characters in Python 2 source code, the following error may occur due to the lack of an explicitly declared encoding:

SyntaxError: Non-ASCII character '\xe2' in file bla.py on line 1, but no encoding declared

Resolution

Python 3:

UTF-8 is the default encoding in Python 3, allowing for the seamless use of Unicode characters anywhere in the source code.

Python 2:

In Python 2, the following header can be included at the beginning of the source file to declare UTF-8 encoding:

# -*- coding: utf-8 -*-

This adheres to the guidelines outlined in PEP 0263. Once declared, UTF-8 can be utilized in strings as follows:

<code class="python"># -*- coding: utf-8 -*-

u = 'idzie wąż wąską dróżką'
uu = u.decode('utf8')
s = uu.encode('cp1250')
print(s)</code>

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