The jupyter_client package contains the reference implementation of the Jupyter protocol. It also provides client and kernel management APIs for working with kernels, and the jupyter kernelspec entrypoint for installing kernelspecs for use with Jupyter frontends.

Mizani is a Python package for creating data visualizations. It provides functions and tools to help with the creation of visually appealing and informative visualizations, including scales, transformations and color palettes.

This package provides a python module for generating random strings of various types. It could be useful for fuzz testing, generating dummy data, or other applications. It has no dependencies outside the standard library.

This package provides an unmaintained port of sgmllib to Python 3. It is used to parse text files formatted in SGML.

This package provides an FFMPEG wrapper for working with video files. It implements generator functions for reading and writing data to and from FFMPEG, reliably terminating the process when done.

This library implements validation of JSON documents by JSON schema for drafts 04, 06 and 07.

FontTools/TTX is a library to manipulate font files from Python. It supports reading and writing of TrueType/OpenType fonts, reading and writing of AFM files, reading (and partially writing) of PS Type 1 fonts. The package also contains a tool called “TTX” which converts TrueType/OpenType fonts to and from an XML-based format.

This library helps you read text from an unknown charset encoding. Motivated by chardet, it tries to resolve the issue by taking a new approach. All IANA character set names for which the Python core library provides codecs are supported.

pikepdf is a Python library for reading and writing PDF files.

Python client for Consul, a tool for service discovery, monitoring and configuration.

Retrying is a general-purpose retrying library to simplify the task of adding retry behavior to just about anything.

Features:

• Generic Decorator API.

• Specify stop condition (i.e. limit by number of attempts).

• Specify wait condition (i.e. exponential backoff sleeping between attempts).

• Customize retrying on Exceptions.

• Customize retrying on expected returned result.

With apipkg you can control the exported namespace of a Python package and greatly reduce the number of imports for your users. It is a small pure Python module that works on virtually all Python versions.

Pyphen is a pure Python module to hyphenate text using existing Hunspell hyphenation dictionaries.

Awkward Array is a library for nested, variable-sized data, including arbitrary-length lists, records, mixed types, and missing data, using NumPy-like idioms.

Annoy is a C++ library with Python bindings to search for points in space that are close to a given query point. It also creates large read-only file-based data structures that are mmapped into memory so that many processes may share the same data.

Python MPV JSONIPC implements an interface similar to python-mpv, but it uses the JSON IPC protocol instead of the C API.

Daft is a Python package that uses matplotlib to render pixel-perfect probabilistic graphical models for publication in a journal or on the internet. With a short Python script and an intuitive model-building syntax you can design directed (Bayesian Networks, directed acyclic graphs) and undirected (Markov random fields) models and save them in any formats that matplotlib supports (including PDF, PNG, EPS and SVG).

Clyent is a Python command line utility library. It is used by binstar, binstar-build, and chalmers.

Approximate string matching using Levenshtein Distance to calculate the differences between sequences.

Colorcet is a collection of perceptually accurate 256-color colormaps for use with Python plotting programs like Bokeh, Matplotlib, HoloViews, and Datashader.

Pelican is a tool to generate a static blog from reStructuredText, Markdown input files, and more. Pelican uses Jinja2 for templating and is very extensible.

pydub makes it easy to manipulate audio in Python. It relies on ffmpeg to open various audio formats.

Yaspin provides a terminal spinner to indicate the progress during long operations.

Tiktoken is a fast byte pair encoding (BPE) tokeniser for use with OpenAI's models.