yarl module provides handy URL class for URL parsing and changing.

Suds is a lightweight SOAP-based web service client for Python.

Zope.exceptions provides general-purpose exception types that have uses outside of the Zope framework.

Generator for OpenAPI Documentation version 2 and 3, in JSON and YAML formats. Generator for other kinds of documents from OpenAPI Documentation files.

HTTP Core provides a minimal and low-level HTTP client, which does one thing only: send HTTP requests.

Some things HTTP Core does do:

• Sending HTTP requests.

• Provides both sync and async interfaces.

• Supports HTTP/1.1 and HTTP/2.

• Async backend support for asyncio and trio.

• Automatic connection pooling.

• HTTP(S) proxy support.

The Microsoft Authentication Library for Python enables applications to integrate with the Microsoft identity platform. It allows you to sign in users or apps with Microsoft identities (Azure AD, Microsoft Accounts and Azure AD B2C accounts) and obtain tokens to call Microsoft APIs such as Microsoft Graph or your own APIs registered with the Microsoft identity platform. It is built using industry standard OAuth2 and OpenID Connect protocols.

python-httpauth is WSGI middleware that secures some/all routes using HTTP Digest Authentication.

Flask-RESTX is an extension for Flask that adds support for quickly building REST APIs. Flask-RESTX encourages best practices with minimal setup. If you are familiar with Flask, Flask-RESTX should be easy to pick up. It provides a coherent collection of decorators and tools to describe your API and expose its documentation properly using Swagger.

S3transfer is a Python library for managing Amazon S3 transfers.

Selenium simplifies web browser automation. It specifically provides infrastructure for the W3C WebDriver specification — a platform and language-neutral coding interface compatible with all major web browsers.

Selenium Manager is a CLI tool that automatically manages the browser/driver infrastructure required by Selenium.

Websocket handler for the gevent pywsgi server, a Python network library.

Features include:

• integration on both socket level or using an abstract interface

• RPC and PubSub framework using WebSocket Application Messaging Protocol

• easily extendible using a simple WebSocket protocol plugin API

A comprehensive HTTP client library supporting many features left out of other HTTP libraries.

Hypercorn is an ASGI web server based on the sans-io hyper, h11, h2, and wsproto libraries and inspired by Gunicorn. It supports HTTP/1, HTTP/2, WebSockets (over HTTP/1 and HTTP/2), ASGI/2, and ASGI/3 specifications. It can utilise asyncio, uvloop, or trio worker types.

flask_principal is a identity management library for Flask. It supports managing both authentication and authorization data in a thread-local variable.

Manuel lets you mix and match traditional doctests with custom test syntax.

A Python library for representing and manipulating IPv4, IPv6, CIDR, EUI and MAC network addresses.

This package provides an implementation of the Web Application Messaging Protocol (WAMP). WAMP connects components in distributed applications using Publish and Subscribe (PubSub) and routed Remote Procedure Calls (rRPC). It is ideal for distributed, multi-client and server applications such as IoT applications or multi-user database-driven business applications.

Path-and-address resolves ambiguities of command-line interfaces, inferring which argument is the path, and which is the address.

Openapi-core is a Python library that adds client-side and server-side support for the OpenAPI Specification v3. It has features such as:

• Validation of requests and responses

• Schema casting and unmarshalling

• Media type and parameters deserialization

• Security providers (API keys, Cookie, Basic and Bearer HTTP authentications)

• Custom deserializers and formats

• Integration with libraries and frameworks.

python-geventhttpclient is a high performance, concurrent HTTP client library for python using gevent.

Pycurl is a lightweight wrapper around libcurl. It provides high-speed transfers via libcurl and frequently outperforms alternatives.

python-webcolors is a module for working with HTML/CSS color definitions. Normalizing and converting between the following formats is supported.

• Specification-defined color names

• Six-digit hexadecimal

• Three-digit hexadecimal

• Integer rgb() triplet

• Percentage rgb() triplet

Only the RGB colorspace is supported. Conversion to/from the HSL colorspace can be handled by the colorsys module in the Python standard library.

OpenTelemetry Semantic Conventions.

Cssutils is a Python package for parsing and building CSS Cascading Style Sheets. Currently it provides a DOM only and no rendering options.