py中用re取一段字符串。解决方法

2013-01-25

py中用re取一段字符串。Set-Cookie: BAIDU_WAP_CKTIME1345479535 Domainwappass.baidu.com, Path/ Set

py中用re取一段字符串。
Set-Cookie: BAIDU_WAP_CKTIME=1345479535; Domain=wappass.baidu.com,; Path=/ Set-Cookie: BAIDU_WISE_UID=wpass_1345479535487_821; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: BDUSS=jg5NTZueDdndlpMWEhEVGx0MlQ4dWY3NVNZdnhGeGlTZDZSdDJrUlZNQnZzUjlSFUFBQUFBJCQAAAAAAAAAAAokOCDUJ~MA0KHQodPj1q7OxwAAAAAAAAAAAAAAAAAAAAAAAAAAAACAYIArMAAAAOBaAXcAAAAAmWdCAAAAAAAxMC42NS4yM29jMlBvYzJQV; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: PTOKEN=e273ab309524d33973ee9f7887ec4283; Domain=wappass.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: STOKEN=0c635c787b2c26ff9501bb956147ca62; Domain=wappass.baidu.com; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: WAPTIME=1345479535; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/

想要获取BDUSS=jg5NTZueDdndlpMWEhEVGx0MlQ4dWY3NVNZdnhGeGlTZDZSdDJrUlZNQnZzUjlSFUFBQUFBJCQAAAAAAAAAAAokOCDUJ~MA0KHQodPj1q7OxwAAAAAAAAAAAAAAAAAAAAAAAAAAAACAYIArMAAAAOBaAXcAAAAAmWdCAAAAAAAxMC42NS4yM29jMlBvYzJQV
琢磨了很久，都无从下手，望各位老鸟指点一二，感激不尽。
[解决办法]
非正则处理

#!python
# encoding: utf-8

content = '''Set-Cookie: BAIDU_WAP_CKTIME=1345479535; Domain=wappass.baidu.com,; Path=/ Set-Cookie: BAIDU_WISE_UID=wpass_1345479535487_821; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: BDUSS=jg5NTZueDdndlpMWEhEVGx0MlQ4dWY3NVNZdnhGeGlTZDZSdDJrUlZNQnZzUjlSFUFBQUFBJCQAAAAAAAAAAAokOCDUJ~MA0KHQodPj1q7OxwAAAAAAAAAAAAAAAAAAAAAAAAAAAACAYIArMAAAAOBaAXcAAAAAmWdCAAAAAAAxMC42NS4yM29jMlBvYzJQV; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: PTOKEN=e273ab309524d33973ee9f7887ec4283; Domain=wappass.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: STOKEN=0c635c787b2c26ff9501bb956147ca62; Domain=wappass.baidu.com; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: WAPTIME=1345479535; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/'''
for cookie in filter(lambda x: x.startswith('BDUSS='), content.split('Set-Cookie: ')):
    item = filter(lambda x: x.startswith('BDUSS='), cookie.split('; '))[0]
    print item

[解决办法]
用正则表达式


#!python 
# encoding: utf-8 

import re

patt = re.compile(r'Set-Cookie:\s(.+?)\/')

content = '''Set-Cookie: BAIDU_WAP_CKTIME=1345479535; Domain=wappass.baidu.com,; Path=/ Set-Cookie: BAIDU_WISE_UID=wpass_1345479535487_821; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: BDUSS=jg5NTZueDdndlpMWEhEVGx0MlQ4dWY3NVNZdnhGeGlTZDZSdDJrUlZNQnZzUjlSFUFBQUFBJCQAAAAAAAAAAAokOCDUJ~MA0KHQodPj1q7OxwAAAAAAAAAAAAAAAAAAAAAAAAAAAACAYIArMAAAAOBaAXcAAAAAmWdCAAAAAAAxMC42NS4yM29jMlBvYzJQV; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: PTOKEN=e273ab309524d33973ee9f7887ec4283; Domain=wappass.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: STOKEN=0c635c787b2c26ff9501bb956147ca62; Domain=wappass.baidu.com; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/ Set-Cookie: WAPTIME=1345479535; Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/'''  
 
cookies = []
for items in patt.findall(content):
    cookies.append(dict([item.split('=') for item in items.split('; ')]))

print [c['BDUSS'] for c in cookies if 'BDUSS' in c][0]

[解决办法]

#========================================================
#              author:ago                                
#              2012/08/21  9:09:10                  
#========================================================
import re

data = '''Set-Cookie: BAIDU_WAP_CKTIME=1345479535; \
Domain=wappass.baidu.com,; \
Path=/ Set-Cookie: BAIDU_WISE_UID=wpass_1345479535487_821; \
Domain=.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; \
Path=/ Set-Cookie: BDUSS=jg5NTZueDdndlpMWEhEVGx0MlQ4dWY3NVNZ\
dnhGeGlTZDZSdDJrUlZNQnZzUjlSFUFBQUFBJCQAAAAAAAAAAAokOCDUJ~\
MA0KHQodPj1q7OxwAAAAAAAAAAAAAAAAAAAAAAAAAAAACAYIArMAAAAOBa\
AXcAAAAAmWdCAAAAAAAxMC42NS4yM29jMlBvYzJQV; Domain=.baidu.com,; \
expires=Thu, 20-Aug-2015 16:18:55 GMT; \
Path=/ Set-Cookie: PTOKEN=e273ab309524d33973ee9f7887ec4283; \
Domain=wappass.baidu.com,; expires=Thu, 20-Aug-2015 16:18:55 GMT; \
Path=/ Set-Cookie: STOKEN=0c635c787b2c26ff9501bb956147ca62; \
Domain=wappass.baidu.com; expires=Thu, 20-Aug-2015 16:18:55 GMT; \
Path=/ Set-Cookie: WAPTIME=1345479535; Domain=.baidu.com,; \
expires=Thu, 20-Aug-2015 16:18:55 GMT; Path=/'''

#print data
ret = re.findall( 'BDUSS=.+?;' , data )[0][:-1]
print ret

[解决办法]
输出：


BDUSS=jg5NTZueDdndlpMWEhEVGx0MlQ4dWY3NVNZdnhGeGlTZDZSdDJrUlZNQnZzUjlSFUFBQUFBJCQAAAAAAAAAAAokOCDUJ~MA0KHQodPj1q7OxwAAAAAAAAAAAAAAAAAAAAAAAAAAAACAYIArMAAAAOBaAXcAAAAAmWdCAAAAAAAxMC42NS4yM29jMlBvYzJQV

[解决办法]
来这【脚本语言（Perl ，Python）】版块有点晚了，在这版块里，牛人很多啊而且回复的都很细心负责。

agoago_2009 牛人，每次回复问题，都非常专业和负责，嘻嘻。

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py中用re取一段字符串。解决方法