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pythonÀïÃæ»ù±¾ÉÏÒª¿¼ÂÇÈýÖÖ±àÂë¸ñʽ
1 Ô´Îļþ±àÂë
ÔÚÎļþÍ·²¿Ê¹ÓÃcodingÉùÃ÷¡£¸æËßpython½âÊÍÆ÷¸Ã´úÂëÎļþËùʹÓõÄ×Ö·û¼¯¡£
#/usr/bin/python
#coding: utf8
2 ÄÚ²¿±àÂë
´úÂëÎļþÖеÄ×Ö·û´®£¬¾­¹ýdecodeÒԺ󣬱»×ª»»ÎªÍ³Ò»µÄunicode¸ñʽµÄÄÚ²¿Êý¾Ý£¬ÀàËÆÓÚu'*'¡£unicodeÊý¾Ý¿ÉÒÔʹÓÃencodeº¯Êý£¬ÔÙ×ÔÓÉת»»ÎªÆäËû¸ñʽµÄÊý¾Ý£¬Ï൱ÓÚÒ»¸öͳһµÄƽ̨¡£
Ö±½ÓÊäÈëunicodeÊý¾Ý
>>> u'ÄãºÃ'
u'\u4f60\u597d'
½«unicodeÊý¾Ýת»»Îªgb2312¸ñʽ
>>> u'ÄãºÃ'.encode('gb2312')
'\xc4\xe3\xba\xc3'
½«ÊäÈëµÄgb2312¸ñʽµÄÊý¾Ý½âÂëΪunicode
>>> 'ÄãºÃ'.decode('gb2312')
u'\u4f60\u597d'
ÊäÈëÊý¾ÝµÄ¸ñʽȡ¾öÓÚËùÓÃshellÖն˵ıàÂëÉèÖ㬱¾ÀýÖÐΪzh_CN
[root@chenzheng python]# echo $LANG
zh_CN
½âÂëͬʱת»»Îªutf8
>>> 'ÄãºÃ'.decode('gb2312').encode('utf8')
'\xe4\xbd\xa0\xe5\xa5\xbd'
3 ÍⲿÊäÈëµÄ±àÂë
ÆäʵÕâ¸öºÍÔÚpython½»»¥shellÖÐÊäÈëµÄ×Ö·û´®£¬ËùÓöµ½µÄÇé¿ö»ù±¾Ò»Ñù¡£µ«³ÌÐòÖг£³£Óõ½´ÓÍøÂ磬Îļþ¶ÁÈ¡µÄÊý¾Ý£¬¹Ê´Ëµ¥¶ÀÁгö£¬ÐèÒªÌØ±ð×¢ÒâÆä±àÂë¸ñʽÊÇ·ñÓÚϵͳҪÇóÏà·û¡£
ÏÂÃæÊÇbaiduÖÐÎı¾ÖܽðÇú°ñµÄÁ´½Ó£¬·µ»ØÒ»¸öxmlÎļþ£¬±àÂë¸ñʽΪgb2312
http://box.zhangmen.baidu.com/x?op=4&listid=1
ÓÉÓÚxml.etree.EelementTree.parse()²»Ê¶±ðgb2312±àÂ룬ÔÚ½âÎöµÄʱºò£¬ÐèÒª½«Æäת»»utf8¸ñʽ²Å¿ÉÒÔ£¬¿ÉÒÔʹÓÃÏÂÃæµÄº¯Êý
def read_page(url):
"""¶ÁÈ¡gb2312±àÂëµÄxmlÎļþ£¬×ª»»Îªutf8¸ñʽ"""
import urllib
udata = urllib.urlopen(url).read().decode('gb2312')
u8data = udata.encode('utf8')
return u8data.replace('gb2312', 'utf-8') #¼òµ¥Ìæ»»xmlÎļþµÚÒ»ÐеÄencodingÊôÐÔÖµ
ÁíÍ⣬¿ÉÒÔʹÓÃÒ»¸öСº¯ÊýÀ´ÅжÏÊý¾ÝµÄ±àÂë¸ñʽ£º
def encoding(s):
cl = ['utf8', 'gb2312']
for a in cl:
try:
s.decode(a)
return a
except UnicodeEncodeError:
pass
return 'unknown'
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ʹÓà Notepad++ ±à¼­ÔËÐÐ Python ³ÌÐò


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pythonÕýÔò±í´ïʽѧϰ


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Python: pythonдµÄÒ»¸ö¼òµ¥ÍøÂç´Êµä

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import re, urllib
url="http://dict.youdao.com/search?le=eng&q="
print ("input q to exit")
while 1:
word = raw_input(">>>")
if word=="q":
exit()
else:
word = word.replace(' ', '+')
url += word
u ......

[Python module] select

16.1. select — Waiting for I/O completion¶
This module provides access to the select and poll functions available in most operating systems, epoll available on Linux 2.5+ and kqueue available on most BSD. Note that on Windows, it only works for sockets; on other operating systems, it al ......

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