Say you are generating a colored diff output with the standard difflib Python package:

diff = difflib.ndiff(file1_lines, file2_lines)
print('\n'.join(diff))

Now, I'll show you how to write a simple color_diff function that you can use to color your diff like this:

diff = difflib.ndiff(file1_lines, file2_lines)
diff …

Disclaimer: this post was heaviliy inspired by the 2 following gists:

• color_log.py using termcolor recipes
• colorlog.py using colorama

I loved the simplicity of the first, not having to manipulate any of the logging internal API, but I prefer colorama over termcolor.

Without further ado, there is my solution …