Awesome Python

A curated list of awesome Python frameworks, libraries and software. Inspired by awesome-php.

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Contributing

Environment Management

Libraries for Python version and environment management.

pyenv - Simple Python version management.
virtualenv - A tool to create isolated Python environments.
virtualenvwrapper - A set of extensions to virtualenv
pew - A set of tools to manage multiple virtual environments.
Vex - Run a command in the named virtualenv.
PyRun - A one-file, no-installation-needed version of Python.

Package Management

Libraries for package and dependency management.

pip - The Python package and dependency manager.
- Python Package Index
conda - Cross-platform, Python-agnostic binary package manager.
Curdling - Curdling is a command line tool for managing Python packages.
wheel - The new standard of Python distribution and are intended to replace eggs.

Package Repositories

Local PyPI repository server and proxies.

warehouse - Next generation Python Package Repository (PyPI).
- Warehouse
devpi - PyPI server and packaging/testing/release tool.
localshop - PyPI server which mirrors official packages on-demand, and also supports local (private) package uploads.

Distribution

Libraries to create packaged executables for release distribution.

cx-Freeze - Freezes Python scripts (cross-platform).
py2exe - Freezes Python scripts (Windows).
py2app - Freezes Python scripts (Mac OS X).
PyInstaller - Converts Python programs into stand-alone executables (cross-platform).
dh-virtualenv - Build and distribute a virtualenv as a Debian package.

Build Tools

Compile software from source code.

buildout - A build system for creating, assembling and deploying applications from multiple parts, some of which may be non-Python-based.
SCons - A software construction tool.
PlatformIO - A console tool to build code with different development platforms.
BitBake - A make-like build tool with the special focus of distributions and packages for embedded Linux.
fabricate - A build tool that finds dependencies automatically for any language.

Interactive Interpreter

Interactive Python interpreters.

IPython - A rich toolkit to help you make the most out of using Python interactively.
bpython – A fancy interface to the Python interpreter.

Files

Libraries for file manipulation and MIME type detection.

mimetypes - (Python standard library) Map filenames to MIME types.
imghdr - (Python standard library) Determine the type of an image.
python-magic - A Python interface to the libmagic file type identification library.
path.py - A module wrapper for os.path.
watchdog - API and shell utilities to monitor file system events.
Unipath - An object-oriented approach to file/directory operations.
pathlib - (Python standard library in Python 3.4+) An cross-platform, object-oriented path library.

Date and Time

Libraries for working with dates and times.

arrow - Better dates & times for Python.
dateutil - Extensions to the standard Python datetime module.
delorean - A library for clearing up the inconvenient truths that arise dealing with datetimes.
when.py - Providing user-friendly functions to help perform common date and time actions.
moment - A Python library for dealing with dates/times. Inspired by Moment.js.
pytz - World timezone definitions, modern and historical. Brings the tz database into Python.

Text Processing

Libraries for parsing and manipulating plain texts.

General
Slugify
Parser
- phonenumbers - Parsing, formatting, storing and validating international phone numbers.
- python-user-agents - Browser user agent parser.
- sqlparse - A non-validating SQL parser.
- Pygments - A generic syntax highlighter.
- python-nameparser - Parsing human names into their individual components.
- pyparsing - A general purpose framework for generating parsers.

Specific Formats Processing

Libraries for parsing and manipulating specific text formats.

Natural Language Processing

Libraries for working with human languages.

NLTK - A leading platform for building Python programs to work with human language data.
Pattern - A web mining module for the Python. It has tools for natural language processing, machine learning, among others.
TextBlob - Providing a consistent API for diving into common NLP tasks. Stands on the giant shoulders of NLTK and Pattern.
jieba - Chinese Words Segementation Utilities.
SnowNLP - A library for processing Chinese text.
loso - Another Chinese segmentation library.
genius - A Chinese segment base on Conditional Random Field.

Documentation

Libraries for generating project documentation.

Sphinx - Python Documentation generator.
reStructuredText - Markup Syntax and Parser Component of Docutils.
MkDocs - Markdown friendly documentation generator.
Pycco - The original quick-and-dirty, hundred-line-long, literate-programming-style documentation generator.
pdoc - Epydoc replacement to auto generate API documentation for Python libraries.

Configuration

Libraries for storing configuration options.

ConfigParser - (Python standard library) INI file parser.
ConfigObj - INI file parser with validation.
config - Hierarchical config from the author of logging.
profig - Config from multiple formats with value conversion.

Command-line Tools

Libraries for building command-line application.

Command-line Application Development
Productivity Tools
- cookiecutter - A command-line utility that creates projects from cookiecutters (project templates). E.g. Python package projects, jQuery plugin projects.
- httpie - A command line HTTP client, a user-friendly cURL replacement.
- percol - Adds flavor of interactive selection to the traditional pipe concept on UNIX.
- RainbowStream - Smart and nice Twitter client on terminal.

Downloader

Libraries for downloading.

s3cmd - A command line tool for managing Amazon S3 and CloudFront.
youtube-dl - A small command-line program to download videos from YouTube.
you-get - A YouTube/Youku/Niconico video downloader written in Python 3.
coursera - Script for downloading Coursera.org videos and naming them.
WikiTeam - Tools for downloading and preserving wikis.
subliminal - Library and command line tool to search and download subtitles.

Imagery

Libraries for manipulating images.

pillow - Pillow is the friendly PIL fork.
wand - Python bindings for MagickWand, C API for ImageMagick.
thumbor - A smart imaging service. It enables on-demand crop, resizing and flipping of images.
imgSeek - A project for searching a collection of images using visual similarity.
python-qrcode - A pure Python QR Code generator.
pyBarcode - Create barcodes in Python without needing PIL.
pygram - Instagram-like image filters.
Quads - Computer art based on quadtrees.
nude.py - Nudity detection.
scikit-image - A Python library for (scientific) image processing.
hmap - Image histogram remapping.

Audio

Libraries for manipulating audio.

audiolazy - Expressive Digital Signal Processing (DSP) package for Python.
audioread - Cross-library (GStreamer + Core Audio + MAD + FFmpeg) audio decoding.
beets - A music library manager and MusicBrainz tagger.
dejavu - Audio fingerprinting and recognition.
django-elastic-transcoder - Django + Amazon Elastic Transcoder.
eyeD3 - A tool for working with audio files, specifically MP3 files containing ID3 metadata.
id3reader - A Python module for reading MP3 meta data.
mutagen - A Python module to handle audio metadata.
pydub - Manipulate audio with a simple and easy high level interface.
pyechonest - Python client for the Echo Nest API.
talkbox - A Python library for speech/signal processing.
TimeSide - Open web audio processing framework.
tinytag - A library for reading music meta data of MP3, OGG, FLAC and Wave files.
m3u8 - A module for parsing m3u8 file.

Video

Libraries for manipulating video and GIFs.

moviepy - A module for script-based movie editing with many formats, including animated GIFs.
shorten.tv - Video summarization.
scikit-video - Video processing routines for SciPy.

Geolocation

Libraries for geocoding addresses and working with latitudes and longitudes.

GeoDjango - A world-class geographic web framework.
geopy - Python Geocoding Toolbox.
pygeoip - Pure Python GeoIP API.
GeoIP - Python API for MaxMind GeoIP Legacy Database.
geojson - Python bindings and utlities for GeoJSON.
django-countries - A Django app that provides country choices for use with forms, flag icons static files, and a country field for models.

HTTP

Libraries for working with HTTP.

requests - HTTP Requests for Humans™.
grequests - requests + gevent for asynchronous HTTP requests.
urllib3 - A HTTP library with thread-safe connection pooling, file post support, sanity friendly.
httplib2 - Comprehensive HTTP client library.
treq - Python requests like API built on top of Twisted's HTTP client.

Database

Databases implemented in Python.

ZODB - A native object database for Python. A key-value and object graph database.

Database Drivers

Libraries for connecting and operating databases.

Relational Databases
- mysql-python - The MySQL database connector for Python.
- mysqlclient - mysql-python fork supporting Python 3.
- PyMySQL - Pure Python MySQL driver compatible to mysql-python.
- mysql-connector-python - A pure Python MySQL driver from Oracle.
- oursql - A better MySQL connector with support for native prepared statements and BLOBs.
- psycopg2 - The most popular PostgreSQL adapter for Python.
- txpostgres - Twisted based asynchronous driver for PostgreSQL.
- queries - A wrapper of the psycopg2 library for interacting with PostgreSQL.
- dataset - Store Python dicts in a database - works with SQLite, MySQL, and PostgreSQL.
NoSQL Databases
- cassandra-python-driver - Python driver for Cassandra.
- pycassa - Python Thrift driver for Cassandra.
- HappyBase - A developer-friendly library for Apache HBase.
- PyMongo - The official Python client for MongoDB.
- Plyvel - A fast and feature-rich Python interface to LevelDB.
- redis-py - The Redis Python Client.
- py2neo - Python wrapper client for Neo4j's restful interface.
- telephus - Twisted based client for Cassandra.
- txRedis - Twisted based client for Redis.

ORM

Libraries that implement Object-Relational Mapping or datamapping techniques.

Relational Databases
- Django Models - A part of Django.
- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper.
- peewee - A small, expressive ORM.
- PonyORM - ORM that provides a generator-oriented interface to SQL.
NoSQL Databases
- MongoEngine - A Python Object-Document-Mapper for working with MongoDB.
- django-mongodb-engine - Django MongoDB Backend.
- redisco - A Python Library for Simple Models and Containers Persisted in Redis.
Others
- butterdb - A Python ORM for Google Drive Spreadsheets.

Web Frameworks

Full stack web frameworks.

Django - The most popular web framework in Python.
- awesome-django
Flask - A microframework for Python.
- awesome-flask
Bottle - A fast, simple and lightweight WSGI micro web-framework.
Pyramid - A small, fast, down-to-earth, open source Python web framework.
web2py - A full stack web framework and platform focused in the ease of use.
web.py - A web framework for Python that is as simple as it is powerful.
TurboGears - The Web Framework that starts as a microframework and scales up to a fullstack solution.
CherryPy - A Minimalist Python Web Framework, HTTP/1.1-compliant and WSGI thread-pooled.
Grok - A framework built on the existing Zope 3 libraries.
Bluebream - An open-source web application server, framework and library, formerly known as Zope 3.
guava - A lightweight and high performance web framework for Python written in C.

Permissions

Libraries that allow or deny users access to data or functionality.

django-guardian - Implementation of per object permissions for Django 1.2+
Carteblanche - Module to align code with thoughts of users and designers. Also magically handles navigation and permissions.

CMS

Content Management Systems.

django-cms - An Open source enterprise CMS based on the Django.
djedi-cms - A lightweight but yet powerful Django CMS with plugins, inline editing and performance in mind.
FeinCMS - One of the most advanced Content Management Systems built on Django.
Kotte - A high-level, Pythonic web application framework built on Pyramid.
Mezzanine - A powerful, consistent, and flexible content management platform.
Opps - A Django-based CMS for magazines, newspapers websites and portals with high-traffic.
Plone - A CMS built on top of the open source application server Zope.
Quokka - Flexible, extensible, small CMS powered by Flask and MongoDB.
Wagtail - A Django content management system.
Widgy - Last CMS framework, based on Django.

E-commerce

Frameworks and libraries for e-commerce and payments.

django-oscar - An open-source e-commerce framework for Django.
django-shop - A Django based shop system.
merchant - A Django app to accept payments from various payment processors.
money - Money class with optional CLDR-backed locale-aware formatting and an extensible currency exchange solution.

RESTful API

Libraries for developing RESTful APIs.

cornice - A REST framework for Pyramid.
django-rest-framework - A powerful and flexible toolkit that makes it easy to build Web APIs.
django-tastypie - Creating delicious APIs for Django apps.
django-formapi - Create JSON APIs with HMAC authentication and Django form-validation.
flask-api - An implementation of the same web browsable APIs that django-rest-framework provides.
flask-restful - An extension for Flask that adds support for quickly building REST APIs.
flask-api-utils - Flask extension that takes care of API representation and authentication.
falcon - A high-performance Python framework for building cloud APIs and web app backends.
eve - REST API framework powered by Flask, MongoDB and good intentions.
sandman - Automated REST APIs for existing database-driven systems.
restless - Framework agnostic REST framework based on lessons learned from TastyPie.
savory-pie - REST API building library (django, and others)

Authentication and OAuth

Libraries for implementing authentications schemes.

Authomatic - Simple but powerful framework agnostic authentication/authorization client package.
OAuthLib - A generic, spec-compliant, thorough implementation of the OAuth request-signing logic.
rauth - A Python library for OAuth 1.0/a, 2.0, and Ofly.
python-oauth2 - A fully tested, abstract interface to creating OAuth clients and servers.
python-social-auth - An easy-to-setup social authentication mechanism.
django-oauth-toolkit - OAuth2 goodies for the Djangonauts.
django-oauth2-provider - Providing OAuth2 access to Django app.
django-allauth - Authentication app for Django that "just works."
Flask-OAuthlib - OAuth 1.0/a, 2.0 implementation of client and provider for Flask.
sanction - A dead simple OAuth2 client implementation.
jose - JavaScript Object Signing and Encryption (JOSE) draft implementation, useful for stateful tokens.

Template Engine

Libraries and tools for templating and lexing.

Jinja2 - A modern and designer friendly templating language.
Genshi - Python templating toolkit for generation of web-aware output.
Mako - Hyperfast and lightweight templating for the Python platform.
Chameleon - An HTML/XML template engine for Python. Modeled after ZPT, optimized for speed.
Spitfire - A very fast Python template compiler.

Queue

Libraries for working with event and task queues.

celery - An asynchronous task queue/job queue based on distributed message passing.
huey - Little multi-threaded task queue.
mrq - Mr. Queue - A distributed worker task queue in Python using Redis & gevent.
rq - Simple job queues for Python.
simpleq - A simple, infinitely scalable, Amazon SQS based queue.

Search

Libraries and software for indexing and performing search queries on data.

django-haystack - Modular search for Django.
elasticsearch-py - The official low-level Python client for Elasticsearch.
solrpy - A Python client for solr.
Whoosh - A fast, pure Python search engine library.

News Feed

Libraries for building user's activities.

Feedly - A library which allows you to build newsfeed and notification systems using Cassandra and Redis.
django-activity-stream - Generate generic activity streams from the actions on your site.

Asset Management

Tools for managing, compressing and minifying website assets.

django-compressor - Compresses linked and inline javascript or CSS into a single cached file.
jinja-assets-compressor - A Jinja extension to compile and compress your assets.
webassets - Bundles, optimizes, and manages unique cache-busting URLs for static resources.
fanstatic - Packages, optimizes, and serves static file dependencies as Python packages.
fileconveyor - Monitors changes, processes, and transports assets to CDNs and file storage systems.
django-storages - A collection of custom storage backends for Django.
glue - Glue is a simple command line tool to generate CSS sprites.
libsass-python - A Python binding of libsass, the reference implementation of SASS/SCSS.
Flask-Assets - Helps you integrate webassets into your Flask app.

Caching

Libraries for caching data.

Beaker - A library for caching and sessions for use with web applications and stand-alone Python scripts and applications.
dogpile.cache - dogpile.cache is next generation replacement for Beaker made by same authors.
HermesCache - Python caching library with tag-based invalidation and dogpile effect prevention.
django-cache-machine - Automatic caching and invalidation for Django models through the ORM.
django-cacheops - A slick ORM cache with automatic granular event-driven invalidation.
johnny-cache - A caching framework for django applications.
django-viewlet - Render template parts with extended cache control.
pylibmc - A Python wrapper around the libmemcached interface.

Email

Libraries for sending and parsing email.

inbox.py - Python SMTP Server for Humans.
imbox - Python IMAP for Humans.
inbox - The open source email toolkit.
lamson - Pythonic SMTP Application Server.
flanker - A email address and Mime parsing library.
marrow.mailer - High-performance extensible mail delivery framework.
django-celery-ses - Django email backend with AWS SES and Celery.
modoboa - A mail hosting and management platform including a modern and simplified Web UI.
envelopes - Mailing for human beings.
mailjet - Mailjet API implementation for batch mailing, statistics and more.
Talon - Mailgun library to extract message quotations and signatures.
pyzmail - Compose, send and parse emails.

Internationalization

Libraries for woking with i18n.

Babel - An internationalization library for Python.

URL Manipulation

Libraries for parsing URLs.

furl - A small Python library that makes manipulating URLs simple.
purl - A simple, immutable URL class with a clean API for interrogation and manipulation.
pyshorteners - A pure Python URL shortening lib.

HTML Manipulation

Libraries for working with HTML and XML.

BeautifulSoup - Providing Pythonic idioms for iterating, searching, and modifying HTML or XML.
lxml - A very fast, easy-to-use and versatile library for handling HTML and XML.
html5lib - A standards-compliant library for parsing and serializing HTML documents and fragments.
pyquery - A jQuery-like library for parsing HTML.
cssutils - A CSS library for Python.
MarkupSafe - Implements a XML/HTML/XHTML Markup safe string for Python.
bleach - A whitelist-based HTML sanitization and text linkification library.
xmltodict - Working with XML feel like you are working with JSON.
xhtml2pdf - HTML/CSS to PDF converter.
untangle - Converts XML documents to Python objects for easy access.

Web Crawling

Libraries for scraping websites.

Scrapy - A fast high-level screen scraping and web crawling framework.
portia - Visual scraping for Scrapy.
feedparser - Universal feed parser.
RoboBrowser - A simple, Pythonic library for browsing the web without a standalone web browser.
MechanicalSoup - A Python library for automating interaction with websites.
mechanize - Stateful programmatic web browsing.

Web Content Extracting

Libraries for extracting web contents.

newspaper - News extraction, article extraction and content curation in Python.
html2text - Convert HTML to Markdown-formatted text.
python-goose - HTML Content/Article Extractor.
lassie - Web Content Retrieval for Humans.
micawber - A small library for extracting rich content from URLs.
sumy - A module for automatic summarization of text documents and HTML pages.
Haul - An Extensible Image Crawler.
python-readability - Fast Python port of arc90's readability tool.
opengraph - A Python module to parse the Open Graph Protocol
textract - Extract text from any document, Word, PowerPoint, PDFs, etc.

Forms

Libraries for working with forms.

WTForms - A flexible forms validation and rendering library.
WTForms-JSON - A WTForms extension for JSON data handling.
Deform - Python HTML form generation library influenced by the formish form generation library.
django-bootstrap3 - Bootstrap 3 integration with Django.
django-crispy-forms - A Django app which lets you create beautiful forms in a very elegant and DRY way.
django-remote-forms - A platform independent Django form serializer.

Data Validation

Libraries for validating data. Used for forms in many cases.

voluptuous - A Python data validation library. It is primarily intended for validating data coming into Python as JSON, YAML, etc.
colander - A system for validating and deserializing data obtained via XML, JSON, an HTML form post or any other equally simple data serialization.
schema - A library for validating Python data structures.
Schematics - Data Structure Validation.
kmatch - A language for matching/validating/filtering Python dictionaries.
valideer - Lightweight extensible data validation and adaptation library.

Anti-spam

Libraries for fighting spam.

Stopspam - Intelligent spam detection for Python.
django-simple-spam-blocker - Simple spam blocker for Django.
django-simple-captcha - A simple and highly customizable Django app to add captcha images to any Django form.

Tagging

Libraries for tagging items.

django-taggit - Simple tagging for Django.

Admin Panels

Libraries for administrative interfaces.

Ajenti - The admin panel your servers deserve.
Grappelli – A jazzy skin for the Django Admin-Interface.
django-suit - Alternative Django Admin-Interface (free only for Non-commercial use).
django-xadmin - Drop-in replacement of Django admin comes with lots of goodies.
flask-admin - Simple and extensible administrative interface framework for Flask.
flower - Real-time monitor and web admin for Celery.

Static Site Generator

Static site generator is a software that takes some text + templates as input and produces html files on the output.

Pelican - Uses Markdown or ReST for content and Jinja 2 for themes. Supports DVCS, Disqus. AGPL.
Cactus – Static site generator for designers.
Hyde - Jinja2-based static web site generator.
Nikola - A static website and blog generator.
Tags - The simplest static site generator.
Tinkerer - Tinkerer is a blogging engine/.static website generator powered by Sphinx.

Processes and Threads

Libraries for woking with processes or threads

multiprocessing - (Python standard library) Process-based "threading" interface.
threading - (Python standard library) Higher-level threading interface.
envoy - Python Subprocesses for Humans™.
sh - A full-fledged subprocess replacement for Python.
sarge - A wrapper for subprocess.

Concurrency and Networking

Libraries for concurrency and network programming.

asyncio - (Python standard library in Python 3.4+) Asynchronous I/O, event loop, coroutines and tasks.
gevent - A coroutine-based Python networking library that uses greenlet.
Twisted - An event-driven networking engine.
Tornado - A Web framework and asynchronous networking library.
pulsar - Event-driven concurrent framework for Python.
diesel - Greenlet-based event I/O Framework for Python.
eventlet - Asynchronous framework with WSGI support.
pyzmq - A Python wrapper for the 0MQ message library.
txZMQ - Twisted based wrapper for the 0MQ message library.
Crossbar - Open-source Unified Application Router (Websocket & WAMP for Python on Autobahn).

WebSocket

Libraries for woking with WebSocket.

AutobahnPython - WebSocket & WAMP for Python on Twisted and asyncio.
WebSocket-for-Python - WebSocket client and server library for Python 2 and 3 as well as PyPy.

WSGI Servers

WSGI-compatible web servers.

wsgiref - (Python standard library) WSGI reference implementation, single-threaded.
Werkzeug - A WSGI utility library for Python that powers Flask and can easily be embedded into your own projects.
paste - Multi-threaded, stable, tried and tested.
rocket - Multi-threaded.
waitress - Multi-threaded, poweres Pyramid.
netius - Asynchronous, very fast.
gunicorn - Pre-forked, partly written in C.
fapws3 - Asynchronous (network side only), written in C.
meinheld - Asynchronous, partly written in C.
bjoern - Asynchronous, very fast and written in C.

RPC Servers

RPC-compatible servers.

SimpleXMLRPCServer - (Python standard library) Simple XML-RPC server implementation, single-threaded.
SimpleJSONRPCServer - This library is an implementation of the JSON-RPC specification.
zeroRPC - zerorpc is a flexible RPC implementation based on ZeroMQ and MessagePack.

Cryptography

PyCrypto - The Python Cryptography Toolkit.
Paramiko - A Python (2.6+, 3.3+) implementation of the SSHv2 protocol, providing both client and server functionality.
cryptography - A package designed to expose cryptographic primitives and recipes to Python developers.
PyNacl - Python binding to the Networking and Cryptography (NaCl) library.
hashids - Implementation of hashids in Python.

GUI

Libraries for working with graphical user interface applications.

PyQt - Python bindings for the Qt cross-platform application and UI framework, with support for both Qt v4 and Qt v5 frameworks.
PySide - Python bindings for the Qt cross-platform application and UI framework, supporting the Qt v4 framework.
wxPython - A blending of the wxWidgets C++ class library with the Python.
kivy - A library for creating NUI applications, running on Windows, Linux, Mac OS X, Android and iOS.
curses - Built-in wrapper for ncurses used to create terminal GUI applications.
urwid - A library for creating terminal GUI applications with strong support for widgets, events, rich colors, etc.
pyglet - A cross-platform windowing and multimedia library for Python.
Tkinter - Tkinter is Python's de-facto standard GUI package.
enaml - Creating beautiful user-interfaces with Declaratic Syntax like QML.
Toga - A Python native, OS native GUI toolkit.

Game Development

Awesome game development libraries.

Pygame - Pygame is a set of Python modules designed for writing games.
Cocos2d - cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on pyglet.
PySDL2 - A ctypes based wrapper for the SDL2 library.
Panda3D - 3D game engine developed by Disney and maintained by Carnegie Mellon's Entertainment Technology Center. Written in C++, completely wrapped in Python.
PyOgre - Python bindings for the Ogre 3D render engine, can be used for games, simulations, anything 3D.
PyOpenGL - Python ctypes bindings for OpenGL and it's related APIs.
PySFML - Python bindings for SFML
RenPy - A Visual Novel engine.

Logging

Libraries for generating and working with log files.

logging - (Python standard library) Logging facility for Python.
logbook - Logging replacement for Python.
Sentry - A realtime logging and aggregation server.
Raven - The Python client for Sentry.

Testing

Libraries for testing codebases and generating test data.

Testing Frameworks
- unittest - (Python standard library) Unit testing framework.
- nose - nose extends unittest.
- pytest - A mature full-featured Python testing tool.
- mamba - The definitive testing tool for Python. Born under the banner of BDD.
- contexts - A BDD framework for Python 3.3+. Inspired by C#'s Machine.Specifications.
- pyshould - Should style asserts based on PyHamcrest.
- pyvows - BDD style testing for Python. Inspired by Vows.js.
Web Testing
- Selenium - Python bindings for Selenium WebDriver.
- splinter - Open source tool for testing web applications.
- locust - Scalable user load testing tool written in Python.
- sixpack - A language-agnostic A/B Testing framework.
Mock
- mock - A Python Mocking and Patching Library for Testing.
- responses - A utility library for mocking out the requests Python library.
- doublex - Powerful test doubles framework for Python.
- freezegun - Travel through time by mocking the datetime module.
- httpretty - HTTP request mock tool for Python.
- httmock - A mocking library for requests for Python 2.6+ and 3.2+.
Code Coverage
- coverage - Code coverage measurement.
Fake Data
- faker - A Python package that generates fake data.
- mixer - Generating fake data and creating random fixtures for testing in Django ORM, SQLAlchemy, Peewee, MongoEngine, Pony ORM and etc.
- model_mommy - Creating random fixtures for testing in Django.
- ForgeryPy - An easy to use forged data generator for Python. It's a port of forgery.
Error Handler
- FuckIt.py - FuckIt.py uses state-of-the-art technology to make sure your Python code runs whether it has any right to or not.

Code Analysis and Linter

Libraries and tools for analysing, parsing and manipulation codebases.

Code Analysis
- pysonar2 - A type inferencer and indexer for Python.
- pycallgraph - A library that visualises the flow (call graph) of your Python application.
- code2flow - Turn your Python and JavaScript code into DOT flowcharts.
Linter
- Flake8 - The modular source code checker: pep8, pyflakes and co.
- pylama - Code audit tool for Python and JavaScript.
- Pylint - A source code analyzer.

Debugging Tools

Libraries for debugging code.

pdb - (Python standard library) The Python Debugger.
ipdb - IPython-enabled pdb.
winpdb - A Platform Independent Python Debugger with GUI.
pudb – A full-screen, console-based Python debugger.
pyringe - Debugger capable of attaching to and injecting code into Python processes.
python-statsd - Python Client for the statsd server.
memory_profiler - Monitor Memory usage of Python code.
django-debug-toolbar - Display various debug information about the current request/response.
django-devserver - A drop-in replacement for Django's runserver.

Science and Data Analysis

Libraries for scientific computing and data analyzing.

SciPy - A Python-based ecosystem of open-source software for mathematics, science, and engineering.
NumPy - A fundamental package for scientific computing with Python.
Numba - Python JIT (just in time) complier to LLVM aimed at scientific Python by the developers of Cython and NumPy.
NetworkX - A high-productivity software for complex networks.
Pandas - A library providing high-performance, easy-to-use data structures and data analysis tools.
Open Mining - Business Intelligence (BI) in Python (Pandas web interface)
PyMC - Markov Chain Monte Carlo sampling toolkit.
zipline - A Pythonic algorithmic trading library.
PyDy - Short for Python Dynamics, used to assist with workflow in the modeling of dynamic motion based around NumPy, SciPy, IPython, and matplotlib.
SymPy - A Python library for symbolic mathematics.
statsmodels - Statistical modeling and econometrics in Python.
astropy - A community Python library for Astronomy.

Data Visualization

Libraries for visualizing data. See: awesome-javascript's Data Visualization section.

matplotlib - A Python 2D plotting library.
bokeh - Interactive Web Plotting for Python.
plotly - Collaborative web plotting for Python and matplotlib.
vincent - A Python to Vega translator.
d3py - A plottling library for Python, based on D3.js.
ggplot - Same API as ggplot2 for R.
Kartograph.py - Rendering beautiful SVG maps in Python.
pygal - A Python SVG Charts Creator.
pygraphviz - Python interface to Graphviz.

Computer Vision

Libraries for computer vision.

OpenCV - Open Source Computer Vision Library.
SimpleCV - An open source framework for building computer vision applications.

Machine Learning

Libraries for Machine Learning. See: awesome-machine-learning.

scikit-learn - A Python module for machine learning built on top of SciPy.
pattern - Web mining module for Python.
NuPIC - Numenta Platform for Intelligent Computing.
Pylearn2 - A Machine Learning library based on Theano.
hebel - GPU-Accelerated Deep Learning Library in Python.
gensim - Topic Modelling for Humans.
PyBrain - Another Python Machine Learning Library.
Crab - A ﬂexible, fast recommender engine.
python-recsys - A Python library for implementing a Recommender System.

MapReduce

Framworks and libraries for MapReduce.

PySpark - The Spark Python API.
dpark - Python clone of Spark, a MapReduce alike framework in Python.
luigi - A module that helps you build complex pipelines of batch jobs.
mrjob - Run MapReduce jobs on Hadoop or Amazon Web Services.
dumbo - Python module that allows one to easily write and run Hadoop programs.
streamparse - Run Python code against real-time streams of data. Integrates with Apache Storm.

Functional Programming

fn.py - Functional programming in Python: implementation of missing features to enjoy FP.
funcy - A fancy and practical functional tools.
Toolz - A collection of functional utilities for iterators, functions, and dictionaries.
CyToolz - Cython implementation of Toolz: High performance functional utilities.

Third-party APIs

Libraries for accessing third party services APIs. See: List of Python API Wrappers and Libraries.

apache-libcloud - One Python library for all clouds.
boto - Python interface to Amazon Web Services.
twython - A Python wrapper for the Twitter API.
soundcloud-python - A Python wrapper around the Soundcloud API.
google-api-python-client - Google APIs Client Library for Python.
gspread - Google Spreadsheets Python API.
facebook-sdk - Facebook Platform Python SDK.
facepy - Facepy makes it really easy to interact with Facebook's Graph API
Wikipedia - A Pythonic wrapper for the Wikipedia API.
python-instagram - A Python Client for Instagram API.
gmail - A Pythonic interface for Gmail.
praw - A Python wrapper for the Reddit API.
linkedin - A Python interface for LinkedIn.

DevOps Tools

Software and libraries for DevOps.

OpenStack - Open source software for building private and public clouds.
Ansible - An IT automation tool.
SaltStack - Infrastructure automation and management system.
Fabric - Tool for streamlining the use of SSH for application deployment or systems administration tasks.
Fabtools - Tools for writing awesome Fabric files.
cuisine - Chef-like functionality for Fabric.
psutil - A cross-platform process and system utilities module.
pexpect - A Python module for controlling interactive programs in a pseudo-terminal like GNU expect.
provy - An easy-to-use provisioning system in Python.
honcho - A Python port of Foreman, a tool for managing Procfile-based applications.

Job Scheduler

Libraries for scheduling jobs.

APScheduler - A light but powerful in-process task scheduler that lets you schedule functions.
django-schedule - A calendaring app for Django.
doit - A task runner/build tool.
Joblib - A set of tools to provide lightweight pipelining in Python.
Plan - Writing crontab file in Python like a charm.
Spiff - A powerful workflow engine implemented in pure Python.
schedule - Python job scheduling for humans.
TaskFlow - A Python library that helps to make task execution easy, consistent and reliable.

Foreign Function Interface

Libraries for providing foreign function interface.

ctypes - (Python standard library) Foreign Function Interface for Python calling C code.
cffi - Foreign Function Interface for Python calling C code.
SWIG - Simplified Wrapper and Interface Generator.
PyCUDA - A Python wrapper for Nvidia's CUDA API.

High Performance

Libraries for making Python faster.

Cython - Optimizing Static Complier for Python. Uses type mixins to compile Python into C or C++ modules resulting in large performance gains.
PyPy - An implementation of Python in Python. The interpreter uses black magic to make Python very fast without having to add in additional type information.
Stackless Python - An enhanced version of the Python.
Pyston - A Python implementation built using LLVM and modern JIT techniques with the goal of achieving good performance.

Microsoft Windows

Python programming on Microsoft Windows.

pythonlibs - Unofficial Windows(32/64-bit) binaries for Python extension packages
Python(x,y) - Scientific-applications-oriented Python Distribution based on Qt and Spyder.
spyder - IDE for the Python language with advanced editing, interactive testing, debugging and introspection features (also comes with Anaconda).

Network Virtualization and SDN

Tools and libraries for Virtual Networking and SDN (Software Defined Networking).

Mininet - A popular network emulator and API written in Python.
POX - An open source development platform for Python-based Software Defined Networking (SDN) control applications, such as OpenFlow SDN controllers.
Pyretic - A member of the Frenetic family of SDN programming languages that provides powerful abstractions over network switches or emulators.
SDX Platform - SDN based IXP implementation that leverages Mininet, POX and Pyretic.

Hardware

Libraries for programming with hardware.

wifi - A Python library and command line tool for working with WiFi on Linux.
scapy - A brilliant packet manipulation library.
ino - Command line toolkit for working with Arduino.
Pyro - Python Robotics.

Miscellaneous

Useful libraries or tools that don't fit in the categories above.

pluginbase - A simple but flexible plugin system for Python.
itsdangerous - Various helpers to pass trusted data to untrusted environments.
blinker - A fast Python in-process signal/event dispatching system.

Algorithms and Design Patterns

Collections of algorithms and design patterns.

python-patterns - A collection of design patterns in Python.
algorithms - module of algorithms for Python.

Editor Plugins

Plugins for editors and IDEs.

Vim
- Python-mode - An all in one plugin for turning Vim into a Python IDE.
- Jedi-vim - Vim bindings for the Jedi autocompletion library for Python.
Emacs
- Elpy - Emacs Python Development Environment.
Sublime Text
- SublimeJEDI - A Sublime Text plugin to the awesome autocomplete library Jedi.
- Anaconda - Anaconda turns your Sublime Text 3 in a full featured Python development IDE.
- Djaneiro - Django support for Sublime Text.
Atom
- Linter - A static code analysis tool for Atom.
- Linter-flake8 - An addon to linter, that acts as an interface for flake8.

Resources

Where to discover new Python libraries.

Websites

r/Python - News about Python.
Python 3 Wall of Superpowers - Too many popular Python packages don't support Python 3.
Trending Python repositories on GitHub today - Good place to find new Python libraries.
CoolGithubProjects - Sharing cool github projects just got easier!
Full Stack Python - Plain English explanations for every layer of the Python web application stack.
Django Packages - A directory of reusable apps, sites, tools, and more for Django projects.

Weekly

Pycoder's Weekly - A free weekly newsletter, on Fridays, for those interested in Python development and various topics around Python.
Python Weekly - A free weekly newsletter featuring curated news, articles, new releases, jobs etc related to Python.

Twitter

Other Awesome Lists

List of lists.

Python
Monty
- awesome-awesomeness
- lists

Contributing

Your contributions are always welcome!

Lipvun/awesome-python

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