Python Module Index

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	_
	__future__	Future statement definitions
	__main__	The environment where the top-level script is run.
	_dummy_thread	Drop-in replacement for the _thread module.
	_thread	Low-level threading API.
	a
	abc	Abstract base classes according to PEP 3119.
	aifc	Read and write audio files in AIFF or AIFC format.
	argparse	Command-line option and argument parsing library.
	array	Space efficient arrays of uniformly typed numeric values.
	ast	Abstract Syntax Tree classes and manipulation.
	asynchat	Support for asynchronous command/response protocols.
	asyncore	A base class for developing asynchronous socket handling services.
	atexit	Register and execute cleanup functions.
	audioop	Manipulate raw audio data.
	b
	base64	RFC 3548: Base16, Base32, Base64 Data Encodings
	bdb	Debugger framework.
	binascii	Tools for converting between binary and various ASCII-encoded binary representations.
	binhex	Encode and decode files in binhex4 format.
	bisect	Array bisection algorithms for binary searching.
	builtins	The module that provides the built-in namespace.
	bz2	Interface to compression and decompression routines compatible with bzip2.
	c
	calendar	Functions for working with calendars, including some emulation of the Unix cal program.
	cgi	Helpers for running Python scripts via the Common Gateway Interface.
	cgitb	Configurable traceback handler for CGI scripts.
	chunk	Module to read IFF chunks.
	cmath	Mathematical functions for complex numbers.
	cmd	Build line-oriented command interpreters.
	code	Facilities to implement read-eval-print loops.
	codecs	Encode and decode data and streams.
	codeop	Compile (possibly incomplete) Python code.
	collections	Container datatypes
	colorsys	Conversion functions between RGB and other color systems.
	compileall	Tools for byte-compiling all Python source files in a directory tree.
	concurrent
	concurrent.futures	Execute computations concurrently using threads or processes.
	configparser	Configuration file parser.
	contextlib	Utilities for with-statement contexts.
	copy	Shallow and deep copy operations.
	copyreg	Register pickle support functions.
	cProfile	Python profiler
	crypt (Unix)	The crypt() function used to check Unix passwords.
	csv	Write and read tabular data to and from delimited files.
	ctypes	A foreign function library for Python.
	curses (Unix)	An interface to the curses library, providing portable terminal handling.
	curses.ascii	Constants and set-membership functions for ASCII characters.
	curses.panel	A panel stack extension that adds depth to curses windows.
	curses.textpad	Emacs-like input editing in a curses window.
	d
	datetime	Basic date and time types.
	dbm	Interfaces to various Unix "database" formats.
	dbm.dumb	Portable implementation of the simple DBM interface.
	dbm.gnu (Unix)	GNU's reinterpretation of dbm.
	dbm.ndbm (Unix)	The standard "database" interface, based on ndbm.
	decimal	Implementation of the General Decimal Arithmetic Specification.
	difflib	Helpers for computing differences between objects.
	dis	Disassembler for Python bytecode.
	distutils	Support for building and installing Python modules into an existing Python installation.
	distutils.archive_util	Utility functions for creating archive files (tarballs, zip files, ...)
	distutils.bcppcompiler
	distutils.ccompiler	Abstract CCompiler class
	distutils.cmd	This module provides the abstract base class Command. This class is subclassed by the modules in the distutils.command subpackage.
	distutils.command	This subpackage contains one module for each standard Distutils command.
	distutils.command.bdist	Build a binary installer for a package
	distutils.command.bdist_dumb	Build a "dumb" installer - a simple archive of files
	distutils.command.bdist_msi	Build a binary distribution as a Windows MSI file
	distutils.command.bdist_packager	Abstract base class for packagers
	distutils.command.bdist_rpm	Build a binary distribution as a Redhat RPM and SRPM
	distutils.command.bdist_wininst	Build a Windows installer
	distutils.command.build	Build all files of a package
	distutils.command.build_clib	Build any C libraries in a package
	distutils.command.build_ext	Build any extensions in a package
	distutils.command.build_py	Build the .py/.pyc files of a package
	distutils.command.build_scripts	Build the scripts of a package
	distutils.command.check	Check the metadata of a package
	distutils.command.clean	Clean a package build area
	distutils.command.config	Perform package configuration
	distutils.command.install	Install a package
	distutils.command.install_data	Install data files from a package
	distutils.command.install_headers	Install C/C++ header files from a package
	distutils.command.install_lib	Install library files from a package
	distutils.command.install_scripts	Install script files from a package
	distutils.command.register	Register a module with the Python Package Index
	distutils.command.sdist	Build a source distribution
	distutils.core	The core Distutils functionality
	distutils.cygwinccompiler
	distutils.debug	Provides the debug flag for distutils
	distutils.dep_util	Utility functions for simple dependency checking
	distutils.dir_util	Utility functions for operating on directories and directory trees
	distutils.dist	Provides the Distribution class, which represents the module distribution being built/installed/distributed
	distutils.emxccompiler	OS/2 EMX Compiler support
	distutils.errors	Provides standard distutils exceptions
	distutils.extension	Provides the Extension class, used to describe C/C++ extension modules in setup scripts
	distutils.fancy_getopt	Additional getopt functionality
	distutils.file_util	Utility functions for operating on single files
	distutils.filelist	The FileList class, used for poking about the file system and building lists of files.
	distutils.log	A simple logging mechanism, 282-style
	distutils.msvccompiler	Microsoft Compiler
	distutils.spawn	Provides the spawn() function
	distutils.sysconfig	Low-level access to configuration information of the Python interpreter.
	distutils.text_file	provides the TextFile class, a simple interface to text files
	distutils.unixccompiler	UNIX C Compiler
	distutils.util	Miscellaneous other utility functions
	distutils.version	implements classes that represent module version numbers.
	doctest	Test pieces of code within docstrings.
	dummy_threading	Drop-in replacement for the threading module.
	e
	email	Package supporting the parsing, manipulating, and generating email messages, including MIME documents.
	email.charset	Character Sets
	email.encoders	Encoders for email message payloads.
	email.errors	The exception classes used by the email package.
	email.generator	Generate flat text email messages from a message structure.
	email.header	Representing non-ASCII headers
	email.iterators	Iterate over a message object tree.
	email.message	The base class representing email messages.
	email.mime	Build MIME messages.
	email.parser	Parse flat text email messages to produce a message object structure.
	email.utils	Miscellaneous email package utilities.
	encodings
	encodings.idna	Internationalized Domain Names implementation
	encodings.mbcs	Windows ANSI codepage
	encodings.utf_8_sig	UTF-8 codec with BOM signature
	errno	Standard errno system symbols.
	f
	fcntl (Unix)	The fcntl() and ioctl() system calls.
	filecmp	Compare files efficiently.
	fileinput	Loop over standard input or a list of files.
	fnmatch	Unix shell style filename pattern matching.
	formatter	Generic output formatter and device interface.
	fpectl (Unix)	Provide control for floating point exception handling.
	fractions	Rational numbers.
	ftplib	FTP protocol client (requires sockets).
	functools	Higher-order functions and operations on callable objects.
	g
	gc	Interface to the cycle-detecting garbage collector.
	getopt	Portable parser for command line options; support both short and long option names.
	getpass	Portable reading of passwords and retrieval of the userid.
	gettext	Multilingual internationalization services.
	glob	Unix shell style pathname pattern expansion.
	grp (Unix)	The group database (getgrnam() and friends).
	gzip	Interfaces for gzip compression and decompression using file objects.
	h
	hashlib	Secure hash and message digest algorithms.
	heapq	Heap queue algorithm (a.k.a. priority queue).
	hmac	Keyed-Hashing for Message Authentication (HMAC) implementation for Python.
	html	Helpers for manipulating HTML.
	html.entities	Definitions of HTML general entities.
	html.parser	A simple parser that can handle HTML and XHTML.
	http
	http.client	HTTP and HTTPS protocol client (requires sockets).
	http.cookiejar	Classes for automatic handling of HTTP cookies.
	http.cookies	Support for HTTP state management (cookies).
	http.server	HTTP server and request handlers.
	i
	imaplib	IMAP4 protocol client (requires sockets).
	imghdr	Determine the type of image contained in a file or byte stream.
	imp	Access the implementation of the import statement.
	importlib	An implementation of the import machinery.
	importlib.abc	Abstract base classes related to import
	importlib.machinery	Importers and path hooks
	importlib.util	Importers and path hooks
	inspect	Extract information and source code from live objects.
	io	Core tools for working with streams.
	itertools	Functions creating iterators for efficient looping.
	j
	json	Encode and decode the JSON format.
	k
	keyword	Test whether a string is a keyword in Python.
	l
	lib2to3	the 2to3 library
	linecache	This module provides random access to individual lines from text files.
	locale	Internationalization services.
	logging	Flexible event logging system for applications.
	logging.config	Configuration of the logging module.
	logging.handlers	Handlers for the logging module.
	m
	macpath	Mac OS 9 path manipulation functions.
	mailbox	Manipulate mailboxes in various formats
	mailcap	Mailcap file handling.
	marshal	Convert Python objects to streams of bytes and back (with different constraints).
	math	Mathematical functions (sin() etc.).
	mimetypes	Mapping of filename extensions to MIME types.
	mmap	Interface to memory-mapped files for Unix and Windows.
	modulefinder	Find modules used by a script.
	msilib (Windows)	Creation of Microsoft Installer files, and CAB files.
	msvcrt (Windows)	Miscellaneous useful routines from the MS VC++ runtime.
	multiprocessing	Process-based parallelism.
	multiprocessing.connection	API for dealing with sockets.
	multiprocessing.dummy	Dumb wrapper around threading.
	multiprocessing.managers	Share data between process with shared objects.
	multiprocessing.pool	Create pools of processes.
	multiprocessing.sharedctypes	Allocate ctypes objects from shared memory.
	n
	netrc	Loading of .netrc files.
	nis (Unix)	Interface to Sun's NIS (Yellow Pages) library.
	nntplib	NNTP protocol client (requires sockets).
	numbers	Numeric abstract base classes (Complex, Real, Integral, etc.).
	o
	operator	Functions corresponding to the standard operators.
	optparse	Deprecated: Command-line option parsing library.
	os	Miscellaneous operating system interfaces.
	os.path	Operations on pathnames.
	ossaudiodev (Linux, FreeBSD)	Access to OSS-compatible audio devices.
	p
	parser	Access parse trees for Python source code.
	pdb	The Python debugger for interactive interpreters.
	pickle	Convert Python objects to streams of bytes and back.
	pickletools	Contains extensive comments about the pickle protocols and pickle-machine opcodes, as well as some useful functions.
	pipes (Unix)	A Python interface to Unix shell pipelines.
	pkgutil	Utilities for the import system.
	platform	Retrieves as much platform identifying data as possible.
	plistlib	Generate and parse Mac OS X plist files.
	poplib	POP3 protocol client (requires sockets).
	posix (Unix)	The most common POSIX system calls (normally used via module os).
	pprint	Data pretty printer.
	profile	Python source profiler.
	pstats	Statistics object for use with the profiler.
	pty (Linux)	Pseudo-Terminal Handling for Linux.
	pwd (Unix)	The password database (getpwnam() and friends).
	py_compile	Generate byte-code files from Python source files.
	pyclbr	Supports information extraction for a Python class browser.
	pydoc	Documentation generator and online help system.
	q
	queue	A synchronized queue class.
	quopri	Encode and decode files using the MIME quoted-printable encoding.
	r
	random	Generate pseudo-random numbers with various common distributions.
	re	Regular expression operations.
	readline (Unix)	GNU readline support for Python.
	reprlib	Alternate repr() implementation with size limits.
	resource (Unix)	An interface to provide resource usage information on the current process.
	rlcompleter	Python identifier completion, suitable for the GNU readline library.
	runpy	Locate and run Python modules without importing them first.
	s
	sched	General purpose event scheduler.
	select	Wait for I/O completion on multiple streams.
	shelve	Python object persistence.
	shlex	Simple lexical analysis for Unix shell-like languages.
	shutil	High-level file operations, including copying.
	signal	Set handlers for asynchronous events.
	site	Module responsible for site-specific configuration.
	smtpd	A SMTP server implementation in Python.
	smtplib	SMTP protocol client (requires sockets).
	sndhdr	Determine type of a sound file.
	socket	Low-level networking interface.
	socketserver	A framework for network servers.
	spwd (Unix)	The shadow password database (getspnam() and friends).
	sqlite3	A DB-API 2.0 implementation using SQLite 3.x.
	ssl	TLS/SSL wrapper for socket objects
	stat	Utilities for interpreting the results of os.stat(), os.lstat() and os.fstat().
	string	Common string operations.
	stringprep	Deprecated: String preparation, as per RFC 3453
	struct	Interpret bytes as packed binary data.
	subprocess	Subprocess management.
	sunau	Provide an interface to the Sun AU sound format.
	symbol	Constants representing internal nodes of the parse tree.
	symtable	Interface to the compiler's internal symbol tables.
	sys	Access system-specific parameters and functions.
	sysconfig	Python's configuration information
	syslog (Unix)	An interface to the Unix syslog library routines.
	t
	tabnanny	Tool for detecting white space related problems in Python source files in a directory tree.
	tarfile	Read and write tar-format archive files.
	telnetlib	Telnet client class.
	tempfile	Generate temporary files and directories.
	termios (Unix)	POSIX style tty control.
	test	Regression tests package containing the testing suite for Python.
	test.support	Support for Python's regression test suite.
	textwrap	Text wrapping and filling
	threading	Thread-based parallelism.
	time	Time access and conversions.
	timeit	Measure the execution time of small code snippets.
	tkinter	Interface to Tcl/Tk for graphical user interfaces
	tkinter.scrolledtext (Tk)	Text widget with a vertical scroll bar.
	tkinter.tix	Tk Extension Widgets for Tkinter
	tkinter.ttk	Tk themed widget set
	token	Constants representing terminal nodes of the parse tree.
	tokenize	Lexical scanner for Python source code.
	trace	Trace or track Python statement execution.
	traceback	Print or retrieve a stack traceback.
	tty (Unix)	Utility functions that perform common terminal control operations.
	turtle	An educational framework for simple graphics applications
	types	Names for built-in types.
	u
	unicodedata	Access the Unicode Database.
	unittest	Unit testing framework for Python.
	urllib
	urllib.error	Exception classes raised by urllib.request.
	urllib.parse	Parse URLs into or assemble them from components.
	urllib.request	Extensible library for opening URLs.
	urllib.response	Response classes used by urllib.
	urllib.robotparser	Load a robots.txt file and answer questions about fetchability of other URLs.
	uu	Encode and decode files in uuencode format.
	uuid	UUID objects (universally unique identifiers) according to RFC 4122
	w
	warnings	Issue warning messages and control their disposition.
	wave	Provide an interface to the WAV sound format.
	weakref	Support for weak references and weak dictionaries.
	webbrowser	Easy-to-use controller for Web browsers.
	winreg (Windows)	Routines and objects for manipulating the Windows registry.
	winsound (Windows)	Access to the sound-playing machinery for Windows.
	wsgiref	WSGI Utilities and Reference Implementation.
	wsgiref.handlers	WSGI server/gateway base classes.
	wsgiref.headers	WSGI response header tools.
	wsgiref.simple_server	A simple WSGI HTTP server.
	wsgiref.util	WSGI environment utilities.
	wsgiref.validate	WSGI conformance checker.
	x
	xdrlib	Encoders and decoders for the External Data Representation (XDR).
	xml
	xml.dom	Document Object Model API for Python.
	xml.dom.minidom	Lightweight Document Object Model (DOM) implementation.
	xml.dom.pulldom	Support for building partial DOM trees from SAX events.
	xml.etree.ElementTree	Implementation of the ElementTree API.
	xml.parsers.expat	An interface to the Expat non-validating XML parser.
	xml.parsers.expat.errors
	xml.parsers.expat.model
	xml.sax	Package containing SAX2 base classes and convenience functions.
	xml.sax.handler	Base classes for SAX event handlers.
	xml.sax.saxutils	Convenience functions and classes for use with SAX.
	xml.sax.xmlreader	Interface which SAX-compliant XML parsers must implement.
	xmlrpc
	xmlrpc.client	XML-RPC client access.
	xmlrpc.server	Basic XML-RPC server implementations.
	z
	zipfile	Read and write ZIP-format archive files.
	zipimport	support for importing Python modules from ZIP archives.
	zlib	Low-level interface to compression and decompression routines compatible with gzip.