pip install cliff==3.9.0

Command Line Interface Formulation Framework

Source
Among top 1000 packages on PyPI.
Over 3.8M downloads in the last 90 days.

Commonly used with cliff

Based on how often these packages appear together in public requirements.txt files on GitHub.

python-ironicclient

OpenStack Bare Metal Provisioning API Client Library

os-client-config

OpenStack Client Configuation Library

cliff-tablib

tablib formatters for cliff

systemfixtures

Test fixtures for providing fake versions of various system resources (processes, users, groups, etc.)

python-openstackclient

OpenStack Command-line Client

warlock

Python object model built on JSON schema and JSON patch.

extras

Useful extra bits for Python - things that shold be in the standard library

qpid-python

Python client implementation and AMQP conformance tests for Apache Qpid

cmd2

cmd2 - quickly build feature-rich and user-friendly interactive command line applications in Python

yasfb

Yet Another Sphinx Feed Builder

testresources

Testresources, a pyunit extension for managing expensive test resources

fixtures

Fixtures, reusable state for writing clean tests and more.

testtools

Extensions to the Python standard library unit testing framework

testscenarios

Testscenarios, a pyunit extension for dependency injection

libvirt-python

The libvirt virtualization API python binding

tempest-lib

OpenStack Functional Testing Library

python-subunit

Python implementation of subunit test streaming protocol

testrepository

A repository of test results.

turtle

Turtle is an HTTP proxy whose purpose is to throttle connections to specific hostnames to avoid breaking terms of usage of those API providers (like del.icio.us, technorati and so on).

Version usage of cliff

Proportion of downloaded versions in the last 3 months (only versions over 1%).

3.9.0

65.23%

3.8.0

21.44%

3.7.0

3.03%

2.18.0

2.69%

2.14.1

1.53%

2.11.0

1.14%

3.4.0

1.04%