Wcwidth measures the number of terminal column cells of wide-character codes. It is useful for those implementing a terminal emulator, or programs that carefully produce output to be interpreted by one. It is a Python implementation of the wcwidth and wcswidth C functions specified in POSIX.1-2001 and POSIX.1-2008.

The pip-run command provides on-demand temporary package installation for a single interpreter run. It replaces this series of commands:

$ virtualenv --python pythonX.X --system-site-packages /tmp/env
$ /tmp/env/bin/pip install pkg1 pkg2 -r reqs.txt
$ /tmp/env/bin/python ...
$ rm -rf /tmp/env

bson is a Python library implementing a BSON (Binary JSON) codec.

SocksiPyChain is a modified version of the SocksiPy SOCKS module, which adds support for arbitrary chaining of proxy servers and various modes of TLS/SSL encryption. It was developed for use in PageKite, and also includes a simple netcat replacement with chaining support.

icmplib is a supporting library for both IPv4 and IPv6 networks. ICMP is typically used for diagnostic or control purposes - well known from utilities such as ping(1).

The Python pyperf module is a toolkit for writing, running and analyzing benchmarks. It features a simple API that can:

• automatically calibrate a benchmark for a time budget;

• spawn multiple worker processes;

• compute the mean and standard deviation;

• detect if a benchmark result seems unstable;

• store benchmark results in JSON format;

• support multiple units: seconds, bytes and integer.

Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language. It makes writing C extensions for Python as easy as Python itself.

Dulwich is an implementation of the Git file formats and protocols written in pure Python.

LDAP3 is a strictly RFC 4510 conforming LDAP V3 pure Python client library.

Packaging is a Python module for dealing with Python packages. It offers an interface for working with package versions, names, and dependency information.

QDarkStyle is the most complete dark stylesheet for Python and Qt applications.

This package provides a text progress bar library for Python. This version only differs from the original progressbar package in that it uses relative package imports instead of absolute imports, which is necessary for the module to work under Python 3.3.

This package provides a Python library to send files to the user's ~/Trash directory.

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.

Importmagic is a Python library for automatically managing imports by finding unresolved symbols in Python code and their corresponding imports.

Vendetect helps identify copied or vendored code between repositories, making it easier to detect when code has been copied with or without attribution. It uses similarity detection algorithms to compare code files and highlight matching sections.

The aim of the decorator module is to simplify the usage of decorators for the average programmer, and to popularize decorators usage giving examples of useful decorators, such as memoize, tracing, redirecting_stdout, locked, etc. The core of this module is a decorator factory.

JMESPath (pronounced “james path”) is a Python library that allows one to declaratively specify how to extract elements from a JSON document.

qstylizer is a Python package designed to help with the construction of PyQt/PySide stylesheets.

ncclient is a Python library that facilitates client-side scripting and application development around the NETCONF protocol.

Click is a "Python package for creating beautiful command line interfaces". Rich is a "Python library for rich text and beautiful formatting in the terminal". The intention of rich-click is to provide attractive help output from click, formatted with rich, with minimal customization required.

icalendar is a Python library for parsing and generating iCalendar files.

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 package is a fork from the retry package, but with some of added community-sourced features. It provides an easy to use, but functional decorator for retrying on exceptions.