Top Python Libraries

Top Python Libraries

Boltons: Supercharge Your Python Development

Boltons: 230+ Python utilities to boost productivity. Extend the standard library, reduce coding, and simplify development tasks.

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Meng Li
Oct 15, 2025
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Boltons (I): A Minimalist Python Utility Library | by Dr. Shouke Wei | Aug,  2025 | Medium

Over 230 Pure Python Utilities Covering All Core Scenarios in Daily Development.

In Python development, we often encounter situations where we need to write utility functions to process data, manipulate files, or debug code. While these functions seem simple, implementing them can consume considerable time. This is where the Boltons’ library shines.

Boltons is an open-source Python utility library that provides over 230 BSD-licensed pure Python utilities. These tools complement the Python standard library in both design philosophy and functionality, filling gaps where the standard library falls short.

The core philosophy of Boltons is: these tools should have been built into Python. It contains a large collection of carefully designed and tested utilities that can significantly improve development efficiency and reduce repetitive coding work.

The Bolton’s library is organized into multiple modules by functionality, with each module focused on specific types of tasks. Here are some of the most practical modules:

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