Python Library Reference
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Front Matter
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Python Library Reference
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1. Introduction
Contents
Front Matter
Contents
1. Introduction
2. Built-in Types, Exceptions and Functions
2.1 Built-in Types
2.1.1 Truth Value Testing
2.1.2 Boolean Operations
2.1.3 Comparisons
2.1.4 Numeric Types
2.1.5 Sequence Types
2.1.6 Mapping Types
2.1.7 Other Built-in Types
2.1.8 Special Attributes
2.2 Built-in Exceptions
2.3 Built-in Functions
3. Python Runtime Services
3.1
sys
-- System-specific parameters and functions
3.2
gc
-- Garbage Collector interface
3.3
atexit
-- Exit handlers
3.3.1
atexit
Example
3.4
types
-- Names for all built-in types
3.5
UserDict
-- Class wrapper for dictionary objects
3.6
UserList
-- Class wrapper for list objects
3.7
UserString
-- Class wrapper for string objects
3.8
operator
-- Standard operators as functions.
3.9
traceback
-- Print or retrieve a stack traceback
3.9.1 Traceback Example
3.10
linecache
-- Random access to text lines
3.11
pickle
-- Python object serialization
3.11.1 Example
3.12
cPickle
-- Alternate implementation of
pickle
3.13
copy_reg
-- Register
pickle
support functions
3.14
shelve
-- Python object persistence
3.15
copy
-- Shallow and deep copy operations
3.16
marshal
-- Alternate Python object serialization
3.17
imp
-- Access the
import
internals
3.17.1 Examples
3.18
code
-- Interpreter base classes
3.18.1 Interactive Interpreter Objects
3.18.2 Interactive Console Objects
3.19
codeop
-- Compile Python code
3.20
pprint
-- Data pretty printer
3.20.1 PrettyPrinter Objects
3.21
repr
-- Alternate
repr()
implementation
3.21.1 Repr Objects
3.21.2 Subclassing Repr Objects
3.22
new
-- Creation of runtime internal objects
3.23
site
-- Site-specific configuration hook
3.24
user
-- User-specific configuration hook
3.25
__builtin__
-- Built-in functions
3.26
__main__
-- Top-level script environment
4. String Services
4.1
string
-- Common string operations
4.2
re
-- Regular expression operations
4.2.1 Regular Expression Syntax
4.2.2 Matching vs. Searching
4.2.3 Module Contents
4.2.4 Regular Expression Objects
4.2.5 Match Objects
4.3
struct
-- Interpret strings as packed binary data
4.4
fpformat
-- Floating point conversions
4.5
StringIO
-- Read and write strings as files
4.6
cStringIO
-- Faster version of
StringIO
4.7
codecs
-- Codec registry and base classes
4.7.1 Codec Base Classes
4.8
unicodedata
-- Unicode Database
5. Miscellaneous Services
5.1
math
-- Mathematical functions
5.2
cmath
-- Mathematical functions for complex numbers
5.3
random
-- Generate pseudo-random numbers
5.3.1 The Random Number Generator Interface
5.4
whrandom
-- Pseudo-random number generator
5.5
bisect
-- Array bisection algorithm
5.5.1 Example
5.6
array
-- Efficient arrays of numeric values
5.7
ConfigParser
-- Configuration file parser
5.7.1 ConfigParser Objects
5.8
fileinput
-- Iterate over lines from multiple input streams
5.9
calendar
-- General calendar-related functions
5.10
cmd
-- Support for line-oriented command interpreters
5.10.1 Cmd Objects
5.11
shlex
-- Simple lexical analysis
5.11.1 shlex Objects
6. Generic Operating System Services
6.1
os
-- Miscellaneous OS interfaces
6.1.1 Process Parameters
6.1.2 File Object Creation
6.1.3 File Descriptor Operations
6.1.4 Files and Directories
6.1.5 Process Management
6.1.6 Miscellaneous System Information
6.2
os.path
-- Common pathname manipulations
6.3
dircache
-- Cached directory listings
6.4
stat
-- Interpreting
stat()
results
6.5
statcache
-- An optimization of
os.stat()
6.6
statvfs
-- Constants used with
os.statvfs()
6.7
filecmp
-- File and Directory Comparisons
6.7.1 The
dircmp
class
6.8
popen2
-- Subprocesses with accessible I/O streams
6.8.1 Popen3 and Popen4 Objects
6.9
time
-- Time access and conversions
6.10
sched
-- Event scheduler
6.10.1 Scheduler Objects
6.11
getpass
-- Portable password input
6.12
curses
-- Terminal handling for character-cell displays
6.12.1 Functions
6.12.2 Window Objects
6.12.3 Constants
6.13
curses.textpad
-- Text input widget for curses programs
6.13.1 Textbox objects
6.14
curses.wrapper
-- Terminal handler for curses programs
6.15
curses.ascii
-- Utilities for ASCII characters
6.16
getopt
-- Parser for command line options
6.17
tempfile
-- Generate temporary file names
6.18
errno
-- Standard errno system symbols
6.19
glob
-- Unix style pathname pattern expansion
6.20
fnmatch
-- Unix filename pattern matching
6.21
shutil
-- High-level file operations
6.21.1 Example
6.22
locale
-- Internationalization services
6.22.1 Background, details, hints, tips and caveats
6.22.2 For extension writers and programs that embed Python
6.23
gettext
-- Multilingual internationalization services
6.23.1 GNU
gettext
API
6.23.2 Class-based API
6.23.3 Internationalizing your programs and modules
6.23.4 Acknowledgements
7. Optional Operating System Services
7.1
signal
-- Set handlers for asynchronous events
7.1.1 Example
7.2
socket
-- Low-level networking interface
7.2.1 Socket Objects
7.2.2 Example
7.3
select
-- Waiting for I/O completion
7.3.1 Polling Objects
7.4
thread
-- Multiple threads of control
7.5
threading
-- Higher-level threading interface
7.5.1 Lock Objects
7.5.2 RLock Objects
7.5.3 Condition Objects
7.5.4 Semaphore Objects
7.5.5 Event Objects
7.5.6 Thread Objects
7.6
mutex
-- Mutual exclusion support
7.6.1 Mutex Objects
7.7
Queue
-- A synchronized queue class
7.7.1 Queue Objects
7.8
mmap
-- Memory-mapped file support
7.9
anydbm
-- Generic access to DBM-style databases
7.10
dumbdbm
-- Portable DBM implementation
7.11
dbhash
-- DBM-style interface to the BSD database library
7.11.1 Database Objects
7.12
whichdb
-- Guess which DBM module created a database
7.13
bsddb
-- Interface to Berkeley DB library
7.13.1 Hash, BTree and Record Objects
7.14
zlib
-- Compression compatible with
gzip
7.15
gzip
-- Support for
gzip
files
7.16
zipfile
-- Work with ZIP archives
7.16.1 ZipFile Objects
7.16.2 PyZipFile Objects
7.16.3 ZipInfo Objects
7.17
readline
-- GNU readline interface
7.17.1 Example
7.18
rlcompleter
-- Completion function for GNU readline
7.18.1 Completer Objects
8. Unix Specific Services
8.1
posix
-- The most common POSIX system calls
8.1.1 Large File Support
8.1.2 Module Contents
8.2
pwd
-- The password database
8.3
grp
-- The group database
8.4
crypt
-- Function to check Unix passwords
8.5
dl
-- Call C functions in shared objects
8.5.1 Dl Objects
8.6
dbm
-- Simple ``database'' interface
8.7
gdbm
-- GNU's reinterpretation of dbm
8.8
termios
-- POSIX style tty control
8.8.1 Example
8.9
TERMIOS
-- Constants used with the
termios
module
8.10
tty
-- Terminal control functions
8.11
pty
-- Pseudo-terminal utilities
8.12
fcntl
-- The
fcntl()
and
ioctl()
system calls
8.13
pipes
-- Interface to shell pipelines
8.13.1 Template Objects
8.14
posixfile
-- File-like objects with locking support
8.15
resource
-- Resource usage information
8.15.1 Resource Limits
8.15.2 Resource Usage
8.16
nis
-- Interface to Sun's NIS (Yellow Pages)
8.17
syslog
-- Unix syslog library routines
8.18
commands
-- Utilities for running commands
9. The Python Debugger
9.1 Debugger Commands
9.2 How It Works
10. The Python Profiler
10.1 Introduction to the profiler
10.2 How Is This Profiler Different From The Old Profiler?
10.3 Instant Users Manual
10.4 What Is Deterministic Profiling?
10.5 Reference Manual
10.5.1 The
Stats
Class
10.6 Limitations
10.7 Calibration
10.8 Extensions -- Deriving Better Profilers
10.8.1 OldProfile Class
10.8.2 HotProfile Class
11. Internet Protocols and Support
11.1
webbrowser
-- Convenient Web-browser controller
11.1.1 Browser Controller Objects
11.2
cgi
-- Common Gateway Interface support.
11.2.1 Introduction
11.2.2 Using the cgi module
11.2.3 Old classes
11.2.4 Functions
11.2.5 Caring about security
11.2.6 Installing your CGI script on a Unix system
11.2.7 Testing your CGI script
11.2.8 Debugging CGI scripts
11.2.9 Common problems and solutions
11.3
urllib
-- Open arbitrary resources by URL
11.3.1 URLopener Objects
11.3.2 Examples
11.4
httplib
-- HTTP protocol client
11.4.1 HTTP Objects
11.4.2 Examples
11.5
ftplib
-- FTP protocol client
11.5.1 FTP Objects
11.6
gopherlib
-- Gopher protocol client
11.7
poplib
-- POP3 protocol client
11.7.1 POP3 Objects
11.7.2 POP3 Example
11.8
imaplib
-- IMAP4 protocol client
11.8.1 IMAP4 Objects
11.8.2 IMAP4 Example
11.9
nntplib
-- NNTP protocol client
11.9.1 NNTP Objects
11.10
smtplib
-- SMTP protocol client
11.10.1 SMTP Objects
11.10.2 SMTP Example
11.11
telnetlib
-- Telnet client
11.11.1 Telnet Objects
11.11.2 Telnet Example
11.12
urlparse
-- Parse URLs into components
11.13
SocketServer
-- A framework for network servers
11.14
BaseHTTPServer
-- Basic HTTP server
11.15
SimpleHTTPServer
-- Simple HTTP request handler
11.16
CGIHTTPServer
-- CGI-capable HTTP request handler
11.17
Cookie
-- HTTP state management
11.17.1 Cookie Objects
11.17.2 Morsel Objects
11.17.3 Example
11.18
asyncore
-- Asynchronous socket handler
11.18.1 Example basic HTTP client
12. Internet Data Handling
12.1
formatter
-- Generic output formatting
12.1.1 The Formatter Interface
12.1.2 Formatter Implementations
12.1.3 The Writer Interface
12.1.4 Writer Implementations
12.2
rfc822
-- Parse RFC 822 mail headers
12.2.1 Message Objects
12.2.2 AddressList Objects
12.3
mimetools
-- Tools for parsing MIME messages
12.3.1 Additional Methods of Message Objects
12.4
MimeWriter
-- Generic MIME file writer
12.4.1 MimeWriter Objects
12.5
multifile
-- Support for files containing distinct parts
12.5.1 MultiFile Objects
12.5.2
MultiFile
Example
12.6
binhex
-- Encode and decode binhex4 files
12.6.1 Notes
12.7
uu
-- Encode and decode uuencode files
12.8
binascii
-- Convert between binary and ASCII
12.9
xdrlib
-- Encode and decode XDR data
12.9.1 Packer Objects
12.9.2 Unpacker Objects
12.9.3 Exceptions
12.10
mailcap
-- Mailcap file handling.
12.11
mimetypes
-- Map filenames to MIME types
12.12
base64
-- Encode and decode MIME base64 data
12.13
quopri
-- Encode and decode MIME quoted-printable data
12.14
mailbox
-- Read various mailbox formats
12.14.1 Mailbox Objects
12.15
mhlib
-- Access to MH mailboxes
12.15.1 MH Objects
12.15.2 Folder Objects
12.15.3 Message Objects
12.16
mimify
-- MIME processing of mail messages
12.17
netrc
-- netrc file processing
12.17.1 netrc Objects
12.18
robotparser
-- Parser for robots.txt
13. Structured Markup Processing Tools
13.1
sgmllib
-- Simple SGML parser
13.2
htmllib
-- A parser for HTML documents
13.2.1 HTMLParser Objects
13.3
htmlentitydefs
-- Definitions of HTML general entities
13.4
xml.parsers.expat
-- Fast XML parsing using the Expat library
13.4.1 Example
13.4.2 Expat error constants
13.5
xml.sax
-- Support for SAX2 parsers
13.5.1 SAXException Objects
13.6
xml.sax.handler
-- Base classes for SAX handlers
13.6.1 ContentHandler Objects
13.6.2 DTDHandler Objects
13.6.3 EntityResolver Objects
13.7
xml.sax.saxutils
-- SAX Utilities
13.8
xml.sax.xmlreader
-- Interface for XML parsers
13.8.1 XMLReader Objects
13.8.2 IncrementalParser Objects
13.8.3 Locator Objects
13.8.4 InputSource Objects
13.8.5 AttributesImpl Objects
13.8.6 AttributesNSImpl Objects
13.9
xmllib
-- A parser for XML documents
13.9.1 XML Namespaces
14. Multimedia Services
14.1
audioop
-- Manipulate raw audio data
14.2
imageop
-- Manipulate raw image data
14.3
aifc
-- Read and write AIFF and AIFC files
14.4
sunau
-- Read and write Sun AU files
14.4.1 AU_read Objects
14.4.2 AU_write Objects
14.5
wave
-- Read and write WAV files
14.5.1 Wave_read Objects
14.5.2 Wave_write Objects
14.6
chunk
-- Read IFF chunked data
14.7
colorsys
-- Conversions between color systems
14.8
rgbimg
-- Read and write ``SGI RGB'' files
14.9
imghdr
-- Determine the type of an image
14.10
sndhdr
-- Determine type of sound file
15. Cryptographic Services
15.1
md5
-- MD5 message digest algorithm
15.2
sha
-- SHA message digest algorithm
15.3
mpz
-- GNU arbitrary magnitude integers
15.4
rotor
-- Enigma-like encryption and decryption
16. Restricted Execution
16.1
rexec
-- Restricted execution framework
16.1.1 An example
16.2
Bastion
-- Restricting access to objects
17. Python Language Services
17.1
parser
-- Access Python parse trees
17.1.1 Creating AST Objects
17.1.2 Converting AST Objects
17.1.3 Queries on AST Objects
17.1.4 Exceptions and Error Handling
17.1.5 AST Objects
17.1.6 Examples
17.2
symbol
-- Constants used with Python parse trees
17.3
token
-- Constants used with Python parse trees
17.4
keyword
-- Testing for Python keywords
17.5
tokenize
-- Tokenizer for Python source
17.6
tabnanny
-- Detection of ambiguous indentation
17.7
pyclbr
-- Python class browser support
17.7.1 Class Descriptor Objects
17.8
py_compile
-- Compile Python source files
17.9
compileall
-- Byte-compile Python libraries
17.10
dis
-- Disassembler for Python byte code
17.10.1 Python Byte Code Instructions
18. SGI IRIX Specific Services
18.1
al
-- Audio functions on the SGI
18.1.1 Configuration Objects
18.1.2 Port Objects
18.2
AL
-- Constants used with the
al
module
18.3
cd
-- CD-ROM access on SGI systems
18.3.1 Player Objects
18.3.2 Parser Objects
18.4
fl
-- FORMS library interface for GUI applications
18.4.1 Functions Defined in Module
fl
18.4.2 Form Objects
18.4.3 FORMS Objects
18.5
FL
-- Constants used with the
fl
module
18.6
flp
-- Functions for loading stored FORMS designs
18.7
fm
--
Font Manager
interface
18.8
gl
--
Graphics Library
interface
18.9
DEVICE
-- Constants used with the
gl
module
18.10
GL
-- Constants used with the
gl
module
18.11
imgfile
-- Support for SGI imglib files
18.12
jpeg
-- Read and write JPEG files
19. SunOS Specific Services
19.1
sunaudiodev
-- Access to Sun audio hardware
19.1.1 Audio Device Objects
19.2
SUNAUDIODEV
-- Constants used with
sunaudiodev
20. MS Windows Specific Services
20.1
msvcrt
- Useful routines from the MS VC++ runtime
20.1.1 File Operations
20.1.2 Console I/O
20.1.3 Other Functions
20.2
_winreg
- Windows registry access
20.2.1 Registry handle objects
20.3
winsound
-- Sound-playing interface for Windows
A. Undocumented Modules
A.1 Frameworks
A.2 Miscellaneous useful utilities
A.3 Platform specific modules
A.4 Multimedia
A.5 Obsolete
A.6 SGI-specific Extension modules
B. Reporting Bugs
C. History and License
C.1 History of the software
C.2 Terms and conditions for accessing or otherwise using Python
Module Index
Index
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