List Python standard modules

Text

1. String: Universal string Manipulation

2. Re: Regular expression operation

3. Difflib: Difference calculation tool

4. TextWrap: Text Fill

5. Unicodedata: Unicode character Database

6. Stringprep: Internet string Preparation Tool

7. ReadLine: GNU read-by-line interface

8. Rlcompleter: GNU read-by-line implementation function

Binary data

9. Struct: Parsing bytes into packaged binary data

Codecs: A codec for the registry and the base class

Data type

DateTime: Based on the date and Time tool

Calendar: Universal Month function

Collections: Container data type

COLLECTIONS.ABC: Container virtual base class

HEAPQ: Heap Queue algorithm

Bisect: Array Two-part algorithm

. Array: An efficient array of values

Weakref: Weak references

Types: Dynamic creation and naming of built-in types

Copy: Shallow copy and deep copy

Pprint: Formatted output

Reprlib:The realization of alternating repr ()

Mathematical

Numbers: Virtual base class for numeric values

Math: Mathematical Functions

Cmath: Mathematical functions of complex numbers

Decimal: Fixed-point number and floating-point calculation

Fractions: Rational number

Random: Generating pseudo-random numbers

Function-Type programming

Itertools: Generating iterators for efficient loops

Functools: higher-order functions and operations on callable objects

Operator: standard operation for functions

Files and directories

Os.path: Universal path name Control

Fileinput: Traversing rows from multiple input streams

Stat: Explanationof the results of stat ()

FILECMP: File-to-directory comparison function

Tempfile: Generate temporary files and directories

Glob: extension of Unix style pathname format

Fnmatch: Unix Style path name format comparison

Linecache: Random Storage of text lines

Shutil: Advanced file Operations

Macpath: Mac OS 9 path control function

Persistence of

Pickle: Python object Serialization

Copyreg: Keygen support function for pickle

Shelve: Python object Persistence

Marshal: serialization of internal Python objects

. dbm: Unix"Database" interface

Sqlite3: API 2.0 for SQLite databases

Compression

Zlib: gzip -compatible compression

. gzip: Support for gzip files

BZ2: Support for bzip2 compression

Wuyi Lzma: compression using the LZMA algorithm

ZipFile: Manipulating zip archives

Tarfile: Read and Write tar archive files

File formatting

A. csv: Read/write csv file

Configparser: Configuration file parser

NETRC: netrc file Processor

Xdrlib: XDR data encoding and decoding

Plistlib: Generate and Parse Mac OS X. plist Files

Encryption

Hashlib: Secure Hash and message digest

HMAC: Key hash for message authentication

Operating System Tools

OS: Multi-faceted operating system interface

The. Io: Stream core tool

Time: Query and Conversion

Argparser: Parser for command line options, parameters, and subcommands

Optparser: command-line option resolver

Getopt:C-style command-line option parser

Logging: Python log Tool

Logging.config: Log Configuration

Logging.handlers: Log Processor

Getpass: Easy Password input

Curses: terminal processing of character display

Curses.textpad: text input fields for curses programs

Curses.ascii: ASCII character Set tool

Curses.panel: Curses control stack extension

Platform: Access to the underlying platform authentication data

errno: standard error Mark

cTYPES: Python external function library

Concurrent

Threading: Thread-based parallelism

Multiprocessing: Process-based parallelism

Concurrent: and the contract .

Bayi. Concurrent.futures: Start a parallel task

Subprocess: Child process Management

Sched: Event scheduling

. Queue: Synchronization queue

A. Select: Waiting for I/O completion

Dummy_threading: Substitution of threading modules (when _thread is not available)

_thread: The underlying threading API(threading based on it)

_dummy_thread: substitution of _thread modules (when _thread is not available)

Inter-process communication

The socket: the underlying network interface

Tls/ssl. SSL: The Socket object's shim

Asyncore: Asynchronous socket processor

Asynchat: Asynchronous socket Command/ response Processor

Signal: Asynchronous transaction signal Processor

94. Mmap: Memory-mapped file support

Internet

Email: Mail and MIME processing package

*. JSON: JSON encoding and decoding

Mailcap: mailcap file processing

98. Mailbox: Multiple format control mailboxes

Mimetypes: File name and MIME type mapping

Base64: RFC 3548: Base16, Base32, Base64 encoding

101. BinHex: binhex4 file encoding and decoding

102. Binascii: conversion between binary code and ASCII code

103. Quopri: encoding and decoding of MIME quoted-printable data

104. UU: encoding and decoding of uuencode files

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HTML and XML

A. html: HTML support

106. Html.parser: Simple HTML and XHTML parser

107. Html.entities: The definition of an HTML generic entity

108. XML: XML processing module

109. Xml.etree.ElementTree: Tree-shaped XML element API

Xml.dom: XML DOM API

111. Xml.dom.minidom: XML DOM minimum spanning tree

Xml.dom.pulldom: support for building part of the DOM tree

113. Xml.sax: support for SAX2 parsing

Xml.sax.handler: Sax Processor base class

Xml.sax.saxutils: Sax Tools

Xml.sax.xmlreader: Sax Parser Interface

117. Xml.parsers.expat: Using expat to parse XML quickly

Internet Protocol and Support

118. WebBrowser: Simple Web browser controller

119. CGI: CGI support

CGITB: CGI script Reverse tracking manager

121. Wsgiref: WSGI Tools and reference implementations

122. Urllib: URL processing Module

123. Urllib.request: Open the extension library for URL connections

124. Urllib.response: response class for Urllib module

Urllib.parse: parsing URLs into components

126. Urllib.error: Exception class thrown by Urllib.request

127. Urllib.robotparser: parser for robots.txt

HTTP: HTTP module

129. Http.client: HTTP protocol Client

Ftplib: FTP protocol Client

131. Poplib: POP protocol Client

Imaplib: IMAP4 protocol Client

133. Nntplib: NNTP protocol Client

134. Smtplib: SMTP protocol Client

135. SMTPD: SMTP server

136. Telnetlib: Telnet client

137. UUID: uuid object for RFC4122

138. Socketserver: Web server Framework

139. Http.server: HTTP server

Http.cookies: HTTPCookie State manager

141. Http.cookiejar: Cookie handling for HTTP clients

142. Xmlrpc: XML-RPC Server and client module

143. Xmlrpc.client: Xml-rpc Client Access

144. Xmlrpc.server: xml-rpc Server Basics

145. IPAddress: Ipv4/ipv6 Control Library

Multimedia

146. Audioop: Processing raw audio Data

147. AIFC: Read and write Aiff and aifc files

148. Sunau: Read and write Sun AU files

149. Wave: Read and write wav files

Chunk: Read iff large file

151. Colorsys: Conversion between color systems

IMGHDR: Specifying the image Type

153. SNDHDR: Specifying the sound file type

154. Ossaudiodev: Accessing Audio Devices compatible with OSS

Internationalization

155. GetText: Multi-lingual International service

156. Locale: International Service

Programming framework

157. Turtle: Turtle Graphics Library

158. CMD: Row-based command interpreter support

159. Shlex: Simple Dictionary analysis

TK Graphical user interface

Tkinter: tcl/tk interface

161. TKINTER.TTK: Tk Theme Controls

162. Tkinter.tix: Tk Extended Controls

163. Tkinter.scrolledtext: Roller text control

Development tools

164. Pydoc: Document generator and online Help system

165. Doctest: Interactive python example

166. UnitTest: Unit test Framework

167. Unittest.mock: Mock Object Library

168. Test: Python regression test Package

169. Test.support: Python test Kit

Venv: Virtual Environment Construction

Debugging

171. BDB: Debug Framework

172. Faulthandler: Python Reverse Tracking Library

173. PDB: Python Debugger

174. Timeit: Calculation of the execution time of small segment code

175. Trace: Python Execution status tracking

Run-time

176. SYS: System-dependent parameters and functions

177. Sysconfig: Accessing python configuration information

178. Builtins: Built-in Objects

179. __main__: Top-level scripting environment

Warnings: Warning Control

181. Contextlib: context tool with State

182. ABC: Virtual base class

183. Atexit: Export processor

184. Traceback: Print or read a stack of reverse tracking

185. __future__: Future State definition

186. GC: Garbage Collection Interface

187. Inspect: Checking for surviving objects

188. Site: Site-related configuration hooks (hooks)

189. Fpectl: Floating-point exception control

Distutils: Build and install the Python module

Interpreter

191. Code: base class interpreter

192. Codeop: Compiling python code

Import Module

193. Imp: Accessing The internal of the import module

194. Zipimport: importing modules from a ZIP archive

195. Pkgutil: Package extension Tool

196. Modulefinder: Finding modules by Script

197. Runpy: Locating and executing the Python module

198. Importlib: An implementation of import

Python Language

199. Parser: Accessing the Python parse tree

$. AST: Abstract syntax tree

201. Symtable: Accessing the compiler symbol table

202. Symbol: constants in the Python parse tree

203. Token: constants in the Python parse tree

204. Keyword: Python keyword Test

205. Tokenize: Python source file participle

206. Tabnany: Fuzzy indentation detection

207. Pyclbr: Python class browsing support

208. Py_compile: Compiling python source files

209. Compileall: Compiling python libraries by byte

Dis: The disassembler of Python bytecode

211. Pickletools: Serialization Development tools

Other

212. Formatter: Universal formatted output

Windows- related

213. Msilib: Read and write Windows Installer files

214. MSVCRT: A useful program for MS VC + + Runtime

215. WinReg: Windows registry Access

216. WinSound: Windows Sound Playback interface

Unix- related

217. POSIX: Most commonly used POSIX calls

218. PWD: Password database

219. Spwd: Shadow password Database

GRP: Group Database

221. Crypt: Unix password Authentication

222. Termios: POSIX -style TTY control

223. TTY: Terminal control functions

224. Pty: Pseudo-terminal tools

225. Fcntl: System call Fcntl() and IOCTL()

226. Pipes: Shell Pipeline Interface

227. Resource: Resources available information

228. NIS: interface for Sun's NIS

229. Syslog: Unix syslog Program Library

List Python standard modules