Exploding cylinder! Finally, all the Python libraries have been sorted out!

Chardet character encoding detector can automatically detect the encoding of text, web pages, and xml.

colorama is mainly used to add various colors to text, and is very simple and easy to use.

Prettytable is mainly used to build formatted output on the terminal or browser side.

difflib, [Python] standard library, calculate text differences

Levenshtein, quickly calculate string similarity.

fuzzywuzzy, string fuzzy matching.

esmre, a regular expression accelerator.

shortuuid, a set of concise URL/UUID function libraries.

ftfy, Unicode Text Tool 7

unidecode, ascii and Unicode text conversion functions.

xpinyin, a function library that converts Chinese characters into pinyin

pangu.py, adjust the spacing between letters and numbers in Chinese, Japanese and Korean characters.

pyfiglet, a figlet program written in Python, uses characters to compose ASCII art pictures

uniout, extract the readable and writable characters in the string

##awesome slugify, a Python slugify library for processing Unicode .

python-slugify, a slugify function library that converts Unicode to ASCII internal code.

unicode-slugify, generates unicode internal code, Django's dependency package.

ply, Python version of lex and yacc parsing tool

phonenumbers, parses phone numbers, formats, stores and validates international phone numbers.

python-user-agents, a parser for browser user-agents.

sqlparse, SQL parser.

pygments, a general syntax highlighting tool.

python-nameparser, parses a person's name into its individual components.

pyparsing, a universal parser generation framework.

tablib, tabular data formats, including XLS, CSV, JSON, and YAML.

python-docx, docx document reading, query and modification, docx files of Microsoft Word 2007/2008.

xlwt/xlrd, read and write data files in Excel format.

xlsxwriter, creates xlsx files in Excel format.

xlwings, using Python to call Excel

##csvkit, CSV file toolkit.

marmir, convert Python [data structure] into a spreadsheet.

pdfminer, extract information from PDF files.

pypdf2, a function library for merging and converting PDF pages.

Python-Markdown, a Python implementation of the lightweight markup language Markdown.

Mistune, a fast, full-featured Markdown interpreter written in pure Python.

dateutil, an extension package of the standard Python official datetime module, a string date tool, in which parser parses a string into datetime, and rrule Yes, datetime is generated according to the defined rules.

arrow, a Python library for better date and time handling

chronyk, a Python 3 version function library, used to parse human-written times and dates.

delorean, a function library for cleanup period.

when.py provides user-friendly functions for viewing date and time.

moment, a date/time Python library similar to Moment.js

pytz, world time zone, using tz database time zone information [database]

lxml is a fast, easy-to-use, flexible HTML and XML processing library with super powerful functions. When encountering defective and non-standard xml, Python's own xml processor may not be able to parse it. When an error is reported, the program will try to parse again using lxml's repair mode.

htmlparser, the official version parses the HTML DOM tree, occasionally used for automatic form submission from the command line.

pyyaml, the Python version of the YAML interpreter.

html5lib, - Standard library for parsing and serializing HTML documents and fragments.

pyquery, an HTML interpreter function library similar to [jQuery].

cssutils, Python CSS library.

MarkupSafe, XML or HTML/XHTML safe string markup tool.

##cssutils - ACSS library for Python., MarkupSafe - Implements a XML/HTML/XHTML

bleach, bleach, HTML-based whitelist function library.

xmltodict, a JSON-like XML toolkit.

xhtml2pdf, HTML/CSS format converter, to generate pdf documents.

untangle, convert XML documents into Python objects for easy access.

Library name introduction Mimetypes, Python standard library, maps file names to MIME types.

imghdr, Python standard library, determines the image type. python-magic, libmagic file type recognition library, Python interface format. path.py, a secondary encapsulation of the os.path module.

watchdog, a set of API and shell utilities for monitoring file system events.

Unipath, an object-oriented file/directory manipulation toolkit. pathlib, - (Python version 3.4 has been included as the Python standard library), a cross-platform, path-oriented function library.

pickle/cPickle, python’s pickle module implements basic data sequence and deserialization. Through the serialization operation of the pickle module, we can save the object information running in the program to a file and store it permanently; through the deserialization operation of the pickle module, we can create the object saved by the last program from the file.

cPickle is a version implemented in [C language] and is faster.

ConfigParser, Python standard library, INI file parser.

configobj, INI file parser. config, hierarchical configuration, written by the logging author.

profig, a multi-format configuration conversion tool.

logging, Python standard library, log file generation and management function library.

logbook, a replacement for logging.

Sentry, real-time log server. Raven, the Python client for Sentry.

Sphinx, Sphinx (Sphinx), Python documentation generator.

reStructuredText, markup syntax and parsing tool, Docutils component. mkdocs, Markdown format document generator.

pycco, a simple, fast, programming-style document generator.

pdoc, the automatically generated Python library API document epydoc, a tool to generate documents in various formats from source code comments

Library name introduction PIL (Python Image Library), an image processing library based on Python, is powerful and supports a wide range of graphic file formats. It has many built-in image processing functions, such as image enhancement, filtering [algorithm ] etc. Pillow, an image processing library, a fork and upgraded replacement of the PIL image library. Matplotlib, a well-known drawing library, provides a complete set of command APIs similar to matlab to draw some high-quality mathematical two-dimensional graphics, which is very suitable for interactive drawing. brewer2mpl has a professional python color matching toolkit that provides exquisite color matching from an artistic perspective.

PyGame is a Python-based multimedia development and game software development module, including a large number of game and image processing functions Box2d, open source 2d physics engine, angry The bird was developed using this physics engine. The Box2d physics engine simulates a world internally. You can set the gravity in this world, and then add various objects to the world, as well as some of their physical properties, such as mass. , friction, damping, etc.

Pymunk, an open source physical graphics simulation library OpenCV similar to box2d, is currently the best open source image/vision library, including image processing and computer vision. , many general algorithms for [machine learning]. SimpleCV, an open source computer vision framework, similar to opencv. VTK, Visualization Toolkit (VTK, Visualization Toolkit) is an open source, cross-platform, and supports parallel processing (VTK was used to process data of nearly 1 Petabyte in size. Its platform is owned by the Los Alamos National Laboratory in the United States. Graphics application library for large systems with 1024 processors).

#In 2005, it was used by the U.S. Army Research Laboratory to simulate in real time the Russian anti-missile tank ZSU23-4 being attacked by a plane wave. Its computing nodes are as high as 2.5 trillion. cgkit, Python Computer Graphics Kit, its module is mainly divided into two parts,

## 1. Some python modules related to 3D such as the vector, matrix and quaternion types, the RenderMan bindings, noise functions. These modules can be used directly in programs with Python extensions such as maya houdini nuke blender;

2 . A module that provides complete scene operations. It is similar to other 3D software and retains complete information describing the scene in memory.

cannot be directly used in CGAL such as maya,

Computational Geometry Algorithms Library, computational geometry algorithm library, provides computational geometry related data structures and algorithms, such as triangulation (2D constrained triangulation and two-dimensional and three-dimensional Delaunay triangulation),

Voronoi diagram (two-dimensional and three-dimensional points, 2D weighted Voronoi diagram, segmented Voronoi diagram, etc.),

Polygons (Boolean operations, offsets), polyhedrons (Boolean operations), curve finishing and its applications,

Mesh generation (two-dimensional Delaunay mesh generation and three-dimensional surface and volume meshes Grid generation, etc.), geometry processing (surface mesh simplification, subdivision and parameterization, etc.),

convex hull algorithm (2D, 3D and dD), search structure (nearest neighbor search, kd tree, etc.), interpolation, shape analysis, fitting, distance, etc.

Aggdraw, an open source image library, covers almost all functions of 2d image operations and is very flexible to use Pycairo, an open source vector drawing library Cairo Python interface,

cairo provides 2-D drawing on multiple backgrounds, and advanced users can use hardware acceleration. wand, Python binding wand tool (MagickWand), C language API interface.

thumbor, - Smart imaging tool to resize and flip images.

imgSeek, query similar images.

python-qrcode, a pure Python two-dimensional code (QR code) generator.

pyBarcode, create barcodes without PIL module.

pygram, Instagram like image filter.

Quads, quadtree-based computer art.

nude.py, nude detection function.

scikit-image, the image processing library of the scikit toolbox.

hmap, image histogram tool.

bokeh, interactive web drawing.

plotly, Web collaborative Python and Matplotlib drawing.

vincent, Vincent, the function library of Python Vega.

d3py, Python drawing library, based on D3.JS, ggplot-API compatible with ggplot2.Kartograph.py of R language, draws beautiful images in Python SVG map. pygal, creator of SVG charts.

pygraphviz, the Python interface to Graphviz.

Fonttlools, ttf font tool function package, used in font software such as fontforge and ttx.

pyechonest, Echo Nest API client. talkbox, a Python library for speech and signal processing.

TimeSide, an open network audio processing framework.

tinytag, reads music file metadata, including MP3, OGG, FLAC and wave files.

m3u8, used to parse m3u8 files.

moviepy, multi-format video editing script module, including GIF animation.

shorten.tv, video summary.

scikit video, SciPy video processing routine.

GeoDjango, a world-class geographic Web framework.

geopy, Geo geocoding toolbox.

pygeoip, GeoIP API written in pure Python.

GeoIP, Python API interface, uses the high-precision GeoIP Legacy Database.

geojson, GeoJSON function library django-countries, a Django program that provides country selection, static files of flag icons, and a country's regional model .

Pygame, Python game design module.

Cocos2d, a 2D game framework, demos, and other graphics/interaction applications, based on pyglet. Cocos2d- cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on pyglet.,PySDL2, SDL2 packaging library.

Panda3D- 3D game engine, developed by Disney.

Written in C and fully compatible with Python. PyOgre, OGRE 3D rendering engine, can be used for games, simulations, anything 3D.

PyOpenGL, binds OpenGL and its related APIs.

PySFML, Python binding SFMLRenPy, visual novel engine.

Library name introduction pycuda/opencl, GPU high-performance concurrent computing Pandas, a data statistics and analysis platform similar to R language implemented in python. Developed based on NumPy and Matplotlib, it is mainly used for data analysis and data visualization. Its data structure DataFrame is very similar to the data.frame in the R language. It has its own set of analysis mechanisms for time series data, which is very good.

Open Mining, business intelligence (BI), web interface for Pandas. blaze, NumPy and Pandas big data interface.

SciPy is an open source Python algorithm library and mathematical toolkit. SciPy includes modules such as optimization, linear algebra, integration, interpolation, and special functions. , fast Fourier transform, signal processing and image processing, solving ordinary differential equations and other calculations commonly used in science and engineering.

Its functions are similar to the software MATLAB, Scilab and GNU Octave.

Numpy and Scipy are often used together, and most machine learning libraries in Python rely on these two modules.

ScientificPython, a selected set of Python program modules for scientific computing, including geometry (vectors, tensors, transformations, vector sums tensor fields), quaternions, automatic derivatives, (linear) interpolation, polynomials, basic statistics, nonlinear least squares fitting, unit calculations, Fortran-compatible text formats, 3D display via VRML, and two Tk gadgets are used to draw line drawings and 3D mesh models respectively.

Additionally has interfaces to netCDF, MPI and BSPlib libraries.

NumPy scientific computing library provides solutions for matrices, linear algebra, Fourier transform, etc. The most commonly used is its N-dimensional array Objects. NumPy provides two basic objects:

ndarray (N-dimensional array object) and ufunc (universal function object).

ndarray is a multi-dimensional array that stores a single data type, and ufunc is a function that can process arrays.

Cvxopt, an optimization calculation package, can perform calculations of linear programming, quadratic programming, semi-definite programming, etc.

Numba, a scientific computing speed optimizing compiler. pymvpa2 is a Python toolkit that provides statistical learning analysis for large data sets. It provides a flexible and extensible framework.

It provides functions such as classification, regression, feature selection, data import and export, visualization, etc. NetworkX is an optimization software package for complex networks. zipline, a library of trading algorithms.

PyDy, Python dynamic modeling function library.

SymPy, a Python library for symbolic mathematics. statsmodels, statistical modeling and econometrics in Python.

astropy, the Python library in the astronomy community.

orange, orange, data mining, data visualization, learning machine analysis through visual programming or Python scripting.

RDKit, software for chemical informatics and machine learning.

Open Babel, Babel, the open chemistry toolbox.

#cclib, the calculation function library of chemical software packages.

Biopython, a free biological computing toolkit.

bccb, a code set related to biological analysis. bcbio-nextgen, provides a fully automated, high-throughput, sequencing analysis toolkit.

visvis, a visual computing module library, can visualize one- to four-dimensional data.

MapReduce is a software [architecture] proposed by Google for parallel operations on large-scale data sets (larger than 1TB).

The concepts "Map (mapping)" and "Reduce (induction)", and their main ideas, are borrowed from the MapReduce function library of functional programming languages. Framworks and libraries for MapReduce.,PySpark, Python API for [Spark]. dpark, a Python clone of Spark, a MapReduce framework in Python. Luigi, for batch work, build complex pipelines. mrjob, a MapReduce job that runs on Hadoop, or Amazon Web Services.

Library name introductionNLTK (natural language toolkit) is a natural language processing toolkit for Python. Launched in 2001, it includes a large number of vocabulary libraries and algorithm implementations in natural language processing:

word segmentation, root calculation, classification, semantics Analysis etc.

Pattern, data mining module, including natural language processing, machine learning tools, etc.

textblob provides API for natural language processing and decomposition of NLP tasks. Based on NLTK and Pattern modules.

jieba, stutter, Chinese word segmentation tool. snownlp, used to process Chinese text libraries.

loso, Chinese word segmentation function library.

genius, Chinese CRF basic library, conditional random field (CRF), is a discriminative probability model, which is a random A kind of airport, often used to label or analyze sequence data, such as natural language text or biological sequences. Gensim is a very professional topic model Python toolkit. Whether it is code or documents, it can be used to calculate the similarity of two documents. LIBSVM , is a simple, easy-to-use, fast and effective SVM pattern recognition and regression software package developed and designed by Professor Lin Chih-Jen of National Taiwan University. He not only provides compiled executable files that can be run on Windows series systems , also provides source code to facilitate improvement, modification and application on other [operating systems];

The parameters involved in SVM of this software There are relatively few adjustments, and a lot of default parameters are provided. Many problems can be solved by using these default parameters;

and provides cross validation (Cross Validation ) function.

The software can solve problems such as C-SVM, ν-SVM, ε-SVR and ν-SVR, including multi-class pattern recognition problems based on one-to-one algorithms.

scikits.learn, a Python module for machine learning built on top of SciPy. It includes simple yet efficient tools for data mining and data analysis.

Covers classification, regression and clustering algorithms, such as SVM, logistic regression, naive Bayes, random forest, k-means and other algorithms, The code and documentation are both very good and have been used in many Python projects.

For example, in the familiar NLTK, the classifier has a dedicated interface for scikit-learn, which can call the scikit-learn classification algorithm and training data to train the classifier model. PyMC, the machine learning sampling toolkit, and scikit-learn seem to be everyone's darling. Some people think that PyMC is more attractive.

PyMC is mainly used for Bayesian analysis. Orange, a component-based data mining and machine learning software suite, is a friendly, powerful, fast and versatile visual programming front-end for browsing data analysis and visualization, and contains a complete series of components to perform Data preprocessing and provides functions for data accounting, transition, modeling, pattern evaluation and exploration.

Focuses on data mining, can be operated with visual language or Python, has machine learning components, and also has plug-ins for bioinformatics and text mining.

Milk, a machine learning toolbox, focuses on providing supervised classification methods and several effective classification analyses: SVMs (based on libsvm), K -NN, Random Forest Economics and Decision Trees.

It can also perform feature selection. These classifications can be combined in many ways to form different classification systems. For unsupervised learning, it provides K-means and affinity propagation clustering algorithms.

PyMVPA (Multivariate Pattern Analysis in Python) is a Python toolkit that provides statistical learning analysis for large data sets. It provides a flexible and Extended framework. It provides functions such as classification, regression, feature selection, data import and export, visualization, etc. NuPIC is an open source artificial intelligence platform.

The project was developed by Grok (formerly known as Numenta) and includes the company's algorithms and software architecture.

NuPIC operates close to the human brain, "when the mode changes, it will forget the old mode and remember the new mode." Like the human brain, the CLA algorithm can adapt to new changes. Pylearn2, - Theano-based machine learning library.

hebel, GPU acceleration, [deep learning] Python library.

gensim, machine learning library. pybrain, a machine learning module, aims to provide flexible, adaptable, and powerful machine learning algorithms for machine learning tasks.

pybrain includes neural networks, reinforcement learning (and a combination of the two), unsupervised learning, and evolutionary algorithms. With neural network as the core, all training methods use neural network as an instance. Mahout is an open source project under the Apache Software Foundation (ASF). It provides some scalable implementations of classic algorithms in the field of machine learning, aiming to help developers Create smart applications more easily and quickly.

Mahout contains many implementations, including clustering, classification, recommendation filtering, and frequent sub-item mining. Additionally, Mahout can efficiently scale to the cloud by using the Apache Hadoop library.

Crab, a flexible and fast recommendation engine. python-recsys, entertainment system analysis, recommendation system. vowpal_porpoise, a lightweight Python wrapper for Vowpal Wabbit.

Theano is a python software package used to define, optimize and simulate mathematical expression calculations, and to efficiently solve multi-dimensional array calculation problems. It makes writing deep learning models easier while also giving some options for training them on GPUs.

Library name introduction threading, Python standard thread library, higher-level thread interface.

envoy, envoy, Python sub-thread function library.

sh, a mature sub-thread replacement function library. sarge, encapsulates threads. subprocess, argparse, the artifact that calls shell commands, is essential for writing command line scripts. Timeit, a powerful command line difference analysis tool, can calculate the time of code running, etc. unp, a command line tool, can decompress files.

eventlet is a multi-threading module with low overhead, using the concept of green threads. For example, pool = eventlet.GreenPool(10000) Such a statement creates a server that can handle 10,000 customers. Thread pool for end connections.

Similar to the Gevent thread library Gevent, the multi-threading module pytools, the famous python general function, toolkit SendKeys, keyboard and mouse operation module, simulated keyboard and mouse Simulation operation.

pyHook, a "hook" library based on Python, is mainly used to monitor mouse and keyboard events on the current computer.

This library depends on another Python library PyWin32. As the name shows, PyWin32 can only run on the Windows platform, so PyHook can only Runs on Windows platform.

pstuil, cross-platform, it is very convenient to obtain and control the system's process, as well as read the system's CPU usage, memory usage and other information.cement, a Click is a lightweight, full-featured command line tool with a simple and elegant command line interface.

clint, Python command line tool. cliff, a command-line programming framework for creating multi-level instructions.

Clime can convert any module into multiple CLI command programs without any configuration.

docopt, Python command line parameter analyzer.

pycli, a command line application, supports standard command line parsing, logging, unit [testing] and functional testing.

Gooey, open the command line program as a complete GUI application, cookiecutter, the command line tool, created from cookiecutters (project template) project.

For example, Python package project, jQuery plug-in project.

percol, adds an interactive selection style to the UNIX traditional pipe command.

rainbowstream, a smart and beautiful Twitter client. Django Models, part of Django SQLAlchemy, a Python SQL toolkit and object-relational mapping.

peewee, a small ORM parser.

PonyORM provides a SQL-oriented interface for ORM. MongoEngine, Python object file mapping, using [MongoDB].

, Django MongoDB engine MongoDB, Django backend.

django-mongodb-engine, Django backend.redisco, a simple model and container library, using [Redis]flywheel, Amazon DynamoDB object mapping .

butterdb, ORM for Google Spreadsheet, Python version. celery, celery, asynchronous task queue/job, based on distributed message queue.

huey, Huey, lightweight, multi-threaded task queue.

mrq, Mr. Queue, distributed task queue, using redis & Gevent. rq, a simple work queue.

Queue, the Queue module can be used to implement communication between multi-threads, allowing each thread to share data, and the producer puts the goods in the Queue for Consumers (threads) use it.

simpleq, a simple, scalable queue, the basic queue for Amazon SQS.

Psyco, a super powerful python performance optimization tool, the magic of psyco is that it only needs to call just two lines of code at the entrance of the code, and the performance can be improved by 40% or more , it can be said to be an immediate result! If your customer thinks your program is a bit slow, please don't rush to optimize the code. psyco may be able to change his mind immediately.

psyco is the jit of Python. fn.py, Python Functional Programming: Missing Functionality Enjoy FP Implementation. funcy, a functional programming tool.

Toolz, functional programming tools: iterators, functions, dictionaries. CyToolz, the Cython implementation of Toolz, a high-performance functional programming tool. Ansible, Ansible, an extremely simple automation platform.

SaltStack, an automated management system for infrastructure.

Fabric, a simple, remote execution and deployment language tool.

Fabtools, Fabric’s tool function.

cuisine, a popular Fabric tool function.

psutil, a cross-platform process and system tool module.

pexpect, control interactive programs.

#provy, an easy-to-use configuring system for Python. honcho, Foreman's Python interface, is used to manage procfile application tools.

gunnery, multi-task execution tool, distributed system with network interface.

fig, fast. Use Docker in a standalone development environment.

APScheduler, a lightweight but powerful online task scheduler.

django-schedule, Django schedule application. doit, task runner/generation tool.

Joblib, a lightweight pipeline tool function provided by Python.

Plan, easily generate crontab files.

Spiff, a powerful workflow engine implemented in pure Python.

schedule, Python job scheduling. TaskFlow, helps make task execution simple.

ctypes, Python standard library, faster, Python calls the external function interface of C code. cffi, Python calls C code external function interface, similar to ctypes which directly calls c program in python program, but it is more convenient than ctypes and does not require compilation into so and then call.

Cytoolz, python acceleration library SWIG, simplifies encapsulation and interface generator.

,Cython, Python optimizing static compiler.

PyPy, the Python implementation of the Python interpreter.

Stackless Python, an enhanced version of Python. It allows programmers to benefit from thread-based programming and avoid the performance and complexity problems caused by traditional threads.

Stackless brings micro-threading extensions to Python. It is a low-overhead, lightweight convenience tool Pyston, using LLVM and modern JIT Technology, performance optimization of python.

pythonlibs, unofficial Windows (32/64-bit) Python extension package scapy, excellent packet processing library.

ino, Arduino command line tool. Pyro, a robotics toolkit for Python.

pluginbase, a simple and flexible Python plug-in system.

itsdangerous, a tool for secure data transmission. blinker, a signal/event dispatching system in fast Python.

pychievements for creating and tracking outcome frameworks.

python-patterns, design patterns in Python.

pefileWindows PE file parser SIP, a tool that automatically generates Python extension modules for C and C libraries

Introduction to library name MySQLdb, mature [MySQL] database module, Baresql, SQL database package ZODB, Python local object database. A K-V object graph database.

pickledb, a simple and lightweight K-V key-value store.

TinyDB, a lightweight, document-oriented database.

mysql-python, the Python tool library for MySQL.

mysqlclient, mysql-python branch, supports Python 3., PyMySQL, a MySQL driver written in pure Python, compatible with mysql-python. mysql-connector-python, MySQL connector, from [Oracle], written in pure Python.

oursql, MySQL connector, provides local command statements and BLOBs support.

psycopg2, the most popular Python PostgreSQL adapter. txpostgres, an asynchronous driver for PostgreSQL based on Twisted.

##queries, psycopg2 function library for PostgreSQL.

dataset, stores Python dictionary data, used for SQLite, MySQL and PostgreSQL.

cassandra-python-driver, the Python driver of the open source distributed NoSQL database system Apache Cassandra system. pycassa, a simplified cassandra database Python driver.

HappyBase, a friendly Apache [Hbase] function library.

PyMongo, the official client of MongoDB.

Plyvel, a fast and feature-rich Python interface to LevelDB. redis-py, redis client.

py2neo, Python client (RESTful interface based on Neo4j). telephus, cassandra client based on Twisted.

txRedis, a Redis client based on Twisted.

[Network] Curl, the Pycurl package is a Python interface to libcurl, which is written in C language.

Compared with urllib, it is much faster.

Libcurl is a client URL transfer library that supports FTP, FTPS, HTTP, HTTPS, GOPHER, TELNET, DICT, FILE and LDAP.libcurl It also supports HTTPS authentication, HTTP POST, HTTP PUT, FTP upload, proxy, cookies, basic authentication, FTP file breakpoint relay, HTTP proxy channel, etc.

Requests, written in Python language, is an open source HTTP library based on urllib.

It is more convenient and more Pythoner than urllib.

Supports Python3. httpie, a command-line HTTP client, a user-friendly replacement for cURL.

s3cmd, a command line tool for managing Amazon S3 and CloudFront.

youtube-dl, command line program to download videos from YouTube.

you-get, a video download tool written in Python3, can be used for YouTube/Youku Youku/Niconico video download Coursera, download videos from coursera.org , files can be renamed wikiteam, wiki download tool.

subliminal, command line tool, function library requests for searching and downloading subtitles, HTTP function library, more user-friendly. grequests, asynchronous HTTP request Gevent (high performance and high concurrency function library).

urllib3, a thread-safe HTTP connection pool that supports file post.

httplib2, a comprehensive HTTP client function library. treq, Python API interface, Twisted HTTP client.

Mininet, a popular network emulator, the API is written in python.

POX, a Python-based open source software-defined network (SDN) control development platform application, such as OpenFlow's SDN controller.

Pyretic, the programming language for SDN, provides powerful abstractions over network switches or emulators. SDX Platform, an SDN-based IXP implementation that leverages minimal networking, pox and heat. inbox.py, Python’s SMTP server. imbox, a Python version of the IMAP library. inbox, inbox, open source email toolkit.

lamson, SMTP server. flanker, email address and MIME parsing library.

marrow.mailer, a high-performance and scalable email delivery framework.

django-celery-ses, Django email backend, using AWS SES and Celery.

modoboa, email hosting and management platform including modern and simplified web UI.

envelopes, email tool.

mailjet, bulk mail mailjet API interface, with statistics. Talon, Talon, Mailgun library to extract messages and signatures.

mailjet- Mailjet API implementation for batch mailing, statistics and more., Talon - Mailgun library to extract message quotations and signatures., written by pyzmail , send and parse emails.

furl, fuel, a small URL parsing library. purl, a simple, clean API for manipulating URLs.

pyshorteners, pure Python library, URL shortener editing.

short_url, short URL generation.

Scrapy, a framework for fast screen capture and web scraping.

portia, Portia, a visual extension for Scrapy.

feedparser, information source interpreter RoboBrowser, simple web browsing Python function library without using a web browser.

MechanicalSoup, a website automated interactive testing toolkit.

mechanize, a web browsing programming tool.

Demiurge, the Creator, - a lightweight tool for PyQuery.

newspaper, extract newspaper news. html2text, converts HTML to text in Markdown format.

python-goose, HTML content extractor.

lassie, Lassie, humanized website content retrieval.

micawber, a function library for grabbing web pages through UR.

sumy, automatic summarization module for summaries, text and HTML web pages.

Haul, a distance-based, scalable image crawler.

python-readability, readability tool Arc90, fast Python interface.

opengraph, OpenGraphProtocol protocol parsing module, textract, extract text from any file, Word, PowerPoint, PDF file, etc.

sanitize, disinfect, and make chaotic data sane.

AutobahnPython, function library for WebSocket and WAMP, using Twisted and PythonWebSocket-for-Python, websocket client and server-side function library. SimpleXMLRPCServer, python standard library, simple XML-RPC server, single-threaded.

SimpleJSONRPCServer, JSON-RPC specification implementation function library.

zeroRPC, an RPC implementation based on ZeroMQ and MessagePack.

apache-libcloud, Python interface library for all cloud services.

wifi, WiFi - A set of Python libraries and command line tools with WiFi, for [Linux].

streamparse, runs real-time streaming of Python code and data.

Integrated Apache Storm.

boto, Amazon Web Services interface.

twython, Twitter API. google-api-python-client, Google client API.

gspread, the Python API for Google Spreadsheets.

facebook-sdk, facebook platform Python SDK.

facepy, a simple facebook graphics API gmail, a Python interface for Gmail.

django-wordpress, Django models and views for WordPress.

[Web Framework] Django, the most popular Python-Web framework, encourages rapid development and follows MVC design, with a short development cycle ActiveGrid enterprise-level Web2.0 solution Karrigell's simple Web framework, which itself contains Web services, py script engine and pure python database PyDBLitewebpy A small and flexible Web framework, although simple but powerful CherryPy Python-based Web application development framework Pylons is based on An extremely efficient and reliable web development framework for Python, Zope, an open source web application server, TurboGears, an MVC-style web application framework based on Python, Twisted, a popular network programming library, a large web framework, Quixote, a web development framework, Flask, a lightweight web framework, Bottle, Fast, simple and lightweight WSGI pattern web framework.

Pyramid, a lightweight, fast and stable open source web framework.

web2py, a simple and easy-to-use full-stack web framework and platform.

web.py, a powerful and simple web framework. TurboGears, an easily extensible web framework.

CherryPy, a minimalist Python web framework, supports HTTP 1.1 and WSGI thread pool.

Grok, a Web framework based on Zope3.

Bluebream, an open source Web application server, formerly known as Zope 3.

guava, a lightweight, high-performance Python-Web framework, written in c language.

django-cms, based on Django enterprise-level open source CMS.

djedi-cms Lightweight yet powerful plugin for Django CMS with inline editing and performance optimization.

FeinCMS, an advanced content management system based on Django.

Kotte, a high-level Python web application framework, based on Pyramid. Mezzanine, a powerful, consistent and flexible content management platform.

Opps, a Django-based CMS for high-traffic newspapers, magazines and portals.

Plone, an open source application server based on Zope.

Quokka, a flexible, scalable, lightweight CMS system using Flask and MongoDB.

Wagtail, Django content management system.

Widgy, CMS framework, based on Django.

django-oscar, Django Oscar, an open source e-commerce framework.

django-shop, an online store system based on Django.

merchant, supports multiple payment processing tools.

money, the scalable currency exchange solution.

python-currencies, currency display format.

cornice, Pyramid’s REST framework.

django-rest-framework, Django framework, a powerful and flexible tool that makes it easy to build Web APIs.

django-tastypie, create beautiful Django application API interfaces.

django-formapi, create JSON API, HMAC authentication and Django form validation. flask-api, provides a unified browser experience, based on the Django framework.

flask-restful, quickly build REST API to support extensions.

flask-api-utils, an extension of flask. Falcon, a high-performance Python framework for building cloud APIs and web application backends.

eve, Eve, REST API framework, using Flask, MongoDB and good intentions.

Sandman automatically generates REST APIs for existing database-driven systems. restless, a framework similar to TastyPie.

savory-pie, REST API building function library (Django, and others) Jinja2, modern designer-friendly language template.

Genshi, a network-aware output template toolkit.

Mako, a super-fast, lightweight template for the Python platform.

Chameleon, an HTML/XML template engine.

Imitate ZPT and optimize the speed.

Spitfire, fast Python compilation template.

django-haystack, needle in a haystack, Django module search.

elasticsearch-py, the official low-level Python client of Elasticsearch.

solrpy, solr client.

Whoosh, fast, pure Python search engine library.

Feedly, a function library for building news and notification systems, using Cassandra and Redis.

django-activity-stream, Django activity stream, generates a universal activity stream from the actions on your website.

Beaker, a cache and session usage web application, standalone Python script and application library.

dogpile.cache is the next generation alternative work by the author of Beaker. HermesCache, Python's caching library, tag-based invalidation and prevention of Dogpile effects.

django-cache-machine, Django cache machine, automatic cache invalidation, using ORM. django-cacheops, automatic granular event-driven, ORM cache invalidation. johnny-cache, johnny cache framework, Django application.

django-viewlet, rendering template component extends cache control. pylibmc, in the libmemcached interface.

WTForms-JSON, JSON form data processing extension. Deform, a function library for HTML form generation.

django-bootstrap3, bootstrap3, integrated with Django. django-crispy-forms, a Django program that can create elegant forms. django-remote-forms, remote forms for Django, serializer for Django tables.

django-simple-spam-blocker, Django’s simple spam blocker.

django-simple-captcha, Django simple captcha, simple and highly customizable Django application for adding captcha images Ajenti , server management panel.

Grappelli, a Django skin with a fancy interface. django-suit, Django replacement interface (for non-commercial use only).

django-xadmin, Django admin panel replacement tool.

flask-admin, a simple flask management interface framework flower, real-time monitoring and Web management panel.

Pelican, Pelican, Markdown or ReST, Ziwang content theme. Supports DVCS, Disqus. AGPL.

Cactus, a static generator for designers’ websites.

Hyde, a static website generator based on Jinja2.

Nikola - A static website and blog generator.

Tags, tags, the simplest static website generator.

Tinkerer, a static website generator based on Sphinx.

asyncio, (Python standard library in Python 3.4), asynchronous I/O, event loop, collaborative tasks.

gevent, a Python-based network library.

Twisted, event-driven web engine.

Tornado, a function library for Tornado, web frameworks and asynchronous networks.

pulsar, an event-driven parallel framework for Python.

diesel, diesel, green, event-based I/O framework.

eventlet, WSGI supports asynchronous framework.

pyzmq, Python package of 0MQ message library.

txZMQ, based on Twisted's 0MQ message library and Crossbar, open source unified application router (WebSocket and WAMP).

wsgiref, Python standard library, WSGI encapsulation implementation, single thread.

Werkzeug, machine tool, WSGI tool function library, can be easily embedded into your own project framework.

paste, paste, multi-threaded, stable, proven WSGI tool.

rocket, rocket, multi-threaded service, based on Pyramid.

netius, a fast, asynchronous WSGI server, gunicorn, the predecessor of forked, partly written in C.

fapws3, asynchronous network, written in C. meinheld, an asynchronous WSGI server, written in C.

bjoern, - Fast, asynchronous WSGI server, written in C.

[Security] Permissions function library, allowing or denying users access to data or functions.

django-guardian, Django guardian, manages permissions on each object, for Django 1.2 Carteblanche, manages navigation and permissions.

Authomatic, a simple and powerful authentication/authorization client.

OAuthLib, universal, standardized, OAuth request signing tool.

rauth, a Python library for OAuth 1.0, 2.0,.

python-oauth2 uses comprehensive testing and abstract interfaces to create OAuth clients and servers.

python-social-auth, an easy-to-install social authentication mechanism.

,django-oauth-toolkit,Django OAuth toolkit django-oauth2-provider,Django OAuth2 toolkit.

django-allauth, Django authentication application.

Flask-OAuthlib, Flask's OAuth toolkit sanction, sanction, simple oauth2 client.

jose, [JavaScript] Object Signing and Encryption (JOSE) draft implementation, flag status.

python-jwt, JSON web token generation and verification module.

pyjwt, JSON Web Token Draft 01.

#python-jws, JSON Web Token Draft 02.

PyCrypto, Python encryption toolkit.

Paramiko, the implementation of the sshv2 protocol, provides client and server-side functions.

cryptography, cryptography development kit.

PyNac, network and password (NaCl) function library. hashids, the Python function library of hashids.

Passlib, a secure password storage/hashing library, very high level.

##hashlib, md5, sha and other hash algorithms are used to replace the md5 and sha modules and make their APIs consistent.

It is supported by OpenSSL and supports the following algorithms: md5, sha1, sha224, sha256, sha384, sha512.

enaml, create beautiful user interface, syntax similar to QML.

Toga, Toga, OS native GUI toolkit. [Build package]

pyenv, simple Python version management.

virtualenv, creates an independent Python environment for installing different versions of python environments at the same time.

virtualenvwrapper is a set of extensions for virtualenv.

pew, a set of tools for managing multiple virtual environments.

vex to run the specified virtualenv command.

PyRun, a single-file, no-installation Python version management tool.

#PIP, a management tool for Python packages and dependencies.

easy_install, a software package management system, provides a standard format for distributing Python software and libraries. It is a module with configuration tools and a third-party function library. Designed to speed up the distribution of Python libraries. RubyGems similar to the Ruby language.

conda, a cross-platform, binary package manager. ,

Curdling, a command line tool for managing Python packages.

wheel, a new standard for Python distribution, designed to replace eggs.

cx-Freeze, cross-platform, library for packaging into executable files

py2exe, Freeze script for Windows platform Tool, Py2exe, converts python scripts into executable programs that can run independently on Windows

py2app, Freeze script tool for MAC OS X platform

pyinstaller, - Python program converted into a standalone executable file (cross-platform).

pynsist, a tool for building Windows installers, written in Python.

##dh-virtualenv, create and distribute virtualenv (Debian package format)

PyPI, new A first-generation Python package library management tool.

warehouse, a new generation of Python package library (PyPI) management tool.

devpi, PyPI server and packaging/testing/release tools.

localshop, PyPI official package mirror server, supports local (private) package upload.

buildout, creating, assembling and deploying multiple parts of an application, some of which may be non-Python based.

SCons, software construction tool.

platformio, a console tool, builds code that can be used on different development platforms.

bitbake, a specially designed tool for creating and deploying [embedded] Linux packages

fabricate, automatically generate dependency packages for any programming language.

django-compressor, Django compressor, compresses and inlines JavaScript or CSS, linking to a single cached file.

libsass-python, a Python interface for Sass (cascading style sheets).

Flask-Assets, integrate application resources. [Code Debugging]

unittest, Python standard library, unit testing framework.

nose, nose, unittest extension product.

pytest, a mature and full-featured Python testing tool.

mamba, Mamba, the authoritative testing tool for Python. From the BDD banner.

contexts, background, BDD testing framework, based on C#.

pyshould, a should-style testing framework, based on PyHamcrest.

pyvows, BDD style testing framework

Selenium, web testing framework, Python binding Selenium.

splinter, an open source tool for testing web applications.

locust, a scalable user load testing tool, written in Python.

sixpack, a language-independent A/B testing framework.

mock, simulation object (English: mock object, also translated as imitation object), simulation test library.

responses, tool function, used for mock simulation testing.

doublex - a powerful testing framework.

freezegun, adjust the time and test the module.

httpretty, a simulation tool for HTTP requests.

httmock, mock simulation test.

coverage, code coverage measurement test.

#faker, a Python package that generates simulated test data.

mixer, mixer, generates simulated data for Django ORM, SQLAlchemy,

Peewee, MongoEngine, Pony ORM, etc.

model_mommy, create test random tools in Django.

ForgeryPy, an easy-to-use simulation data generator.

radar, radar, generates random dates/times.

FuckIt.py, tests the Python code running.

Code Analysispysonar2, Python type index.

pycallgraph, a visual traffic (call graph) application.

code2flow, convert Python and JavaScript code into flowcharts.

LinterFlake8, source code module checker

pylama, Python and JavaScript code audit tool.

Pylint, a source code analyzer, finds programming errors, helps enforce a code standard and sniffs out some code smells. Note: Compared to PyChecker, Pylint is a high-level Python code analysis tool that analyzes errors in Python code.

Pyflakes, a simple program for checking Python source files for errors. Pyflakes analyzes programs and checks for various errors. It does this by parsing source files, no imports required.

pdb, Python standard library, Python debugger.

ipdb, the PDB used by IPython.

winpdb Platform-independent GUI debugger.

pudb, full screen, based on python debugging console.

pyringe, - a debugger that can be attached to and inject code into Python programs.

python-statsd, statsd server client.

memory_profiler, memory monitoring.

profiling, interactive Python profiler.

django-debug-toolbar, Django debugging toolbar, displays various debugging information: current request/response.

django-devserver, Django debugging tool.

flask-debugtoolbar, flask debugging tool.