Python Modules

returns a list of all module functions

>>> import os
>>> dir(os)
>>> help(os)
>>> import sys
>>> dir(sys)
>>> help(sys)

• Global Module Index - http://docs.python.org/modindex.html
• http://www.effbot.org/librarybook/

Core Modules

__builtin__

__builtin__ -- Built-in objects

exceptions

Built-in Exceptions

os

os -- Miscellaneous operating system interfaces

os.path

os.path -- Common pathname manipulations

stat

stat -- Interpreting stat() results

string

string -- Common string operations

re

re -- Regular expression operations

math

math -- Mathematical functions

cmath

cmath -- Mathematical functions for complex numbers

operator

operator -- Standard operators as functions.

copy

copy -- Shallow and deep copy operations

sys

sys -- System-specific parameters and functions

atexit

atexit -- Exit handlers

time

time -- Time access and conversions

types

types -- Names for built-in types

gc

gc -- Garbage Collector interface

More Standard Modules

fileinput

fileinput -- Iterate over lines from multiple input streams

shutil

shutil -- High-level file operations

tempfile

tempfile -- Generate temporary files and directories

StringIO

StringIO -- Read and write strings as files

cStringIO

cStringIO -- Faster version of StringIO

mmap

mmap -- Memory-mapped file support

UserDict

UserDict -- Class wrapper for dictionary objects

UserList

UserList -- Class wrapper for list objects

UserString

UserString -- Class wrapper for string objects

traceback

traceback -- Print or retrieve a stack traceback

errno

errno -- Standard errno system symbols

getopt

getopt -- Parser for command line options

getpass

getpass -- Portable password input

glob

glob -- Unix style pathname pattern expansion

fnmatch

fnmatch -- Unix filename pattern matching

random

random -- Generate pseudo-random numbers

md5

md5 -- MD5 message digest algorithm

sha

sha -- SHA-1 message digest algorithm

crypt

crypt -- Function to check Unix passwords

zlib

zlib -- Compression compatible with gzip

code

code -- Interpreter base classes

Threads and Processes

threading

threading -- Higher-level threading interface

Queue

Queue -- A synchronized queue class

thread

thread -- Multiple threads of control

commands

commands -- Utilities for running commands

pipes

pipes -- Interface to shell pipelines

popen2

popen2 -- Subprocesses with accessible I/O streams

signal

signal -- Set handlers for asynchronous events

Data Representation

array

array -- Efficient arrays of numeric values

struct

struct -- Interpret strings as packed binary data

xdrlib

xdrlib -- Encode and decode XDR data

marshal

marshal -- Internal Python object serialization

pickle

pickle -- Python object serialization

cPickle

cPickle -- A faster pickle

copy_reg

copy_reg -- Register pickle support functions

pprint

pprint -- Data pretty printer

repr

repr -- Alternate repr() implementation

base64

base64 -- RFC 3548: Base16, Base32, Base64 Data Encodings

binhex

binhex -- Encode and decode binhex4 files

quopri

quopri -- Encode and decode MIME quoted-printable data

uu

uu -- Encode and decode uuencode files

binascii

binascii -- Convert between binary and ASCII

File Formats

sgmllib

sgmllib -- Simple SGML parser

htmllib

htmllib -- A parser for HTML documents

htmlentitydefs

htmlentitydefs -- Definitions of HTML general entities

formatter

formatter -- Generic output formatting

ConfigParser

ConfigParser -- Configuration file parser

netrc

netrc -- netrc file processing

shlex

shlex -- Simple lexical analysis

zipfile

zipfile -- Work with ZIP archives

gzip

gzip -- Support for gzip files