Python built-in tools


Built-in functions

str(string)                   返回对象的字符串表示

list(seq)

tuple(seq)

int(x)                        把字符串或数字转换为整数

long(x)

float(x)

Complex(real, image)

hex(i)

oct(i)

ord(c)                        返回单个字符的ascii值

chr(i)                        返回ascii值为i的字符

min(i[, i]*)

max(i[, i]*)

Attribute operation functions

The four built-in functions perform the following operations on the attributes in a namespace: whether they exist, get values, set values, and delete . Available for modules, classes and instances.

hasattr                       有属性则返回1,否则0

getattr

setattr

delattr

Execution program

import

exec code [in globaldict[, localdict]]

compile(string, filename, kind)

execfile(filename[, globaldict[, localdict]])

eval(code[, globaldict[, localdict]])

Library module

Basic string operation: str module

Advanced string operation: re module (regular expression)

General operating system interface: os module

Copy files and directories: shutil module

Internat related modules:

公共网关接口:cgi模块

操作URL: urllib和urlparse模块

特殊的internet协议:httplib, ftplib, gopherlib, poplib, imaplib, nntplib, smtplib

处理internat文件的模块:sgmllib, htmllib, xmllib, formatter, rfc822, mimetools, binhex, uu, binascii, xdrllib, mimetypes, base64, quopri, mailbox, mimify

Process binary data: struct module

Debugging, time and optimization: pdb, time, profile

Copy: copy module

Random: random module