attrs is a Python package with class decorators that ease the chores of implementing the most common attribute-related object protocols.

Arrow is a Python library to creating, manipulating, formatting and converting dates, times, and timestamps. It implements and updates the datetime type.

dnaio is a Python library for fast parsing of FASTQ and also FASTA files. The code was previously part of the cutadapt tool.

This package provides a Python client library for CrateDB. It implements the Python DB API 2.0 specification and includes support for SQLAlchemy.

Privy is a small and fast utility for password-protecting secret data such as API keys, cryptocurrency wallets, or seeds for digital signatures.

pytmx is a map loader for python/pygame designed for games. It provides smart tile loading with a fast and efficient storage base.

Bagit is a Python library and command line utility for working with BagIt style packages. BagIt is a minimalist packaging format for digital preservation.

TFTPy is a trivial file transfer protocol (TFTP) Python library. It can be used to act both as a TFTP client or TFTP server.

retry is an easy to use retry decorator for Python. It can be used to retry a function a given number of times.

Hissp is a modular Lisp implementation that compiles to a functional subset of Python—Syntactic macro metaprogramming with full access to the Python ecosystem.

ArviZ is a Python package for exploratory analysis of Bayesian models. It includes functions for posterior analysis, data storage, model checking, comparison and diagnostics.

MoFax is a Python package for transcription factor motif analysis. It provides convenience functions to load and visualize factor models trained with MOFA+ in Python.

This package contains a pure-Python implementation of the AES block cipher algorithm and the common modes of operation (CBC, CFB, CTR, ECB and OFB).

This Python module implements the FLIRT. This technology is useful for identifying common library subroutines in disassembled binaries.

Curio is a coroutine-based library for concurrent Python systems programming. It provides standard programming abstractions such as as tasks, sockets, files, locks, and queues.

aiopg is a library for accessing a PostgreSQL database from the asyncio (PEP-3156/tulip) framework. It wraps asynchronous features of the Psycopg database driver.

Polib can manipulate any gettext format (po, pot and mo) files. It can be used to create po files from scratch or to modify existing ones.

This Python module provides a solver-agnostic abstraction for working with SMT formulas. For example, it allows manipulation and solving such formulas.

Cloup enriches Click with several features that make it more expressive and configurable such as option groups, constraints, subcommand aliases, subcommands sections and a themeable HelpFormatter.

A Python package for Distributed Resource Management (DRM) job submission and control. This package is an implementation of the DRMAA 1.0 Python language binding specification.

Pooch manages your Python library's sample data files: it automatically downloads and stores them in a local directory, with support for versioning and corruption checks.

CZML3 is a Python library to write CZML, a JSON format for describing a time-dynamic graphical scene, primarily for display in a web browser running Cesium.

Kazoo is a Python client library for the Apache Zookeeper distributed application service. It is designed to be easy to use and to avoid common programming errors.

This regular expression implementation is backwards- compatible with the standard re module, but offers additional functionality like full case-folding for case-insensitive matches in Unicode.