##language:zh
#pragma section-numbers off
##含有章节索引导航的 ZPyUG 文章通用模板
<<TableOfContents>>
## 默许导航,请保留
<<Include(ZPyUGnav)>>


= CPyUG Top 100 =
{{{
23号  <no.0023@gmail.com>
sender-time	Sent at 13:26 (GMT+08:00). Current time there: 8:31 PM. ✆
reply-to	python-cn@googlegroups.com
to	python-cn@googlegroups.com
date	Fri, Mar 19, 2010 at 13:26
subject	[CPyUG] [OT] 比较无聊，写一个CPyUG Top 100
}}}

##startInc
== 代码 ==
{{{
#!python
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import re, sys, os
from operator import itemgetter
from collections import defaultdict

pat =  re.compile('From:\s+?.*<([\da-z_\.-]+@[\da-z\.-]+)>')
mails = defaultdict(int)
for line in open(sys.argv[1], 'rb'):
   if line[0] != 'F': continue
   mat = pat.match(line)
   if mat:
       mails[mat.group(1)] += 1

lst = sorted(mails.iteritems(), key=itemgetter(1), reverse=True)
for t in lst[:100 if 100 < len(lst) else len(lst)]:
   print '%s : %d' % (t[0].ljust(16), t[1])
}}}

=== 试跑 ===
{{{
Shell:~ >: python CPyUG_Top100.py Mail/CPyUG
jhuangjiahua@gmail.com : 966
limodou@gmail.com : 960
askfor@gmail.com : 908
zoom.quiet@gmail.com : 834
zhicheng1988@gmail.com : 625
linjunhalida@gmail.com : 544
march.liu@gmail.com : 524
smallfish.xy@gmail.com : 455
...

python CPyUG_Top100.py Mail/CPyUG  4.10s user 0.22s system 99% cpu 4.332 total
Shell:~ >:
}}}

##endInc

----
'''反馈'''

创建 by -- ZoomQuiet [<<DateTime(2010-03-19T20:33:26+0800)>>]