Python bindings for Oracle Berkeley DB

https://www.jcea.es/programacion/pybsddb.htm

Bezier curve manipulation library

https://github.com/simoncozens/beziers.py

Lightweight pure Python package to check if a file is binary or text

https://github.com/audreyr/binaryornot

Python Bitcoin Tools

https://github.com/vbuterin/pybitcointools

Easy safelist-based HTML-sanitizing tool

https://bleach.readthedocs.io/en/latest/ https://github.com/mozilla/bleach

Thin wrapper around terminal coloring, styling, and positioning

https://github.com/erikrose/blessings

Fast, simple object-to-object and broadcast signaling

https://pythonhosted.org/blinker/ https://github.com/pallets-eco/blinker

Boolean operations on paths

https://github.com/typemytype/booleanOperations

Fast and simple WSGI-framework for small web-applications

https://bottlepy.org/

Collection of fast NumPy array functions written in Cython

https://github.com/kwgoodman/bottleneck

Brace expansion

https://pypi.org/project/bracex/

Generic-purpose lossless compression algorithm

https://github.com/google/brotli

Python CFFI bindings to the Brotli library

https://github.com/python-hyper/brotlicffi

Python binding to the Brotli library

https://github.com/python-hyper/brotlicffi

Python extension module for BerkeleyDB 3 and 4

http://www.jcea.es/programacion/pybsddb.htm

Simple, correct Python build frontend

https://build.pypa.io/en/stable/ https://github.com/pypa/build

Buildbot Console View plugin

https://buildbot.net

Buildbot Grid View plugin

https://buildbot.net

Buildbot packaging tools

https://buildbot.net

Buildbot Waterfall View plugin

https://buildbot.net

Read and write bzip2-compressed files

https://github.com/nvawda/bz2file

Extensible memoizing collections and decorators

https://github.com/tkem/cachetools

Python 2 bindings for Cairo

http://cairographics.org/

Setuptools extension for CalVer package versions

https://github.com/di/calver

Python client library for Apache Cassandra

https://github.com/datastax/python-driver

Composable complex class support for attrs and dataclasses

https://catt.rs/en/stable/ https://github.com/python-attrs/cattrs

Draw pretty animated colored circles in the terminal

https://github.com/tartley/cbeams

Mozilla SSL certificates

https://pypi.python.org/pypi/certifi

Foreign Function Interface for Python calling C code

http://cffi.readthedocs.org/

Validate configuration and produce human readable error messages

https://github.com/asottile/cfgv

Python attributes without boilerplate

https://github.com/hynek/characteristic

Universal encoding detector for Python 2 and 3

https://github.com/chardet/chardet/

Real First Universal Charset Detector

https://github.com/Ousret/charset_normalizer

Check MANIFEST.in completeness for Python packages

https://github.com/mgedmin/check-manifest

HTML template engine for Python

https://cheetahtemplate.org/

Minimal bindings to GitHub fork of cmark

https://github.com/theacodes/cmarkgfm

Coroutine based cosimulation library for writing VHDL and Verilog

https://www.cocotb.org/

Cross-platform API to print colored terminal text from Python apps

https://pypi.python.org/pypi/colorama

Add colours to the output of Python logging module

https://github.com/borntyping/python-colorlog

Command line argument to object parsing library

https://github.com/chrissimpkins/commandlines

Python function for condensing JSON using replacement strings

https://github.com/simonw/condense-json

Drop-in replacement for argparse

https://github.com/bw2/ConfigArgParse

Simple but powerful config file reader and writer

https://github.com/DiffSK/configobj/

INI style configuration file parser

https://pypi.python.org/pypi/configparser

Backports and enhancements for the contextlib module

https://pypi.org/project/contextlib2/

Python API for ISO country, subdivision, language and currency

https://pypi.org/project/pycountry/

Coverage plugin to provide sensible default settings

https://github.com/asottile/covdefaults

Code coverage measurement for Python

https://coverage.readthedocs.io/

Collection of C++ headers to write Python C extension modules

https://pypi.python.org/pypi/cppy

Iteration support for datetime objects with cron like format

https://pypi.org/project/croniter/