python 基础教程 23章NNTP 2

#/usr/bin/env python
#*-*coding:utf-8 *-*


#python 基础 23章NNTP 23-1 简单的新闻收集道理程序
#python2.7 运行


from nntplib import NNTP
from time import strftime, time, localtime


day = 24 * 60 * 60 # 一天的秒数
yesterday = localtime(time() - day)
date = strftime('%y%m%d', yesterday)
hour = strftime('%H%M%S', yesterday)


servername = 'web.aioe.org'
group = 'comp.lang.python'#.announce'
server = NNTP(servername)


ids = server.newnews(group, date, hour)[1]


for id in ids:
head = server.head(id)[3]
for line in head:
if line.lower().startswith('subject'):
subject = line[9::]
break


body = server.body(id)[3]


print(subject)
print('-'*len(subject))
print('\n'.join(body))




server.quit()


"""
480管理员禁用NEWNEWS命令 使用另一种方法


from nntplib import NNTP


servername = 'web.aioe.org'
group = 'comp.lang.python'


server = NNTP(servername)




(resp, count, first, last, name) = server.group(group)
#print((resp,'---', count, '---', first, '----',last,'----', name))
#返回响应 ，文章计数， 第一个和最后一个文章编号， 组名
#('211 3681 182872 186552 comp.lang.python',-, 3681, -, 182872, -, 186552, -, 'comp.lang.python')


for i in range(last-10,last):
article = server.body(i)[1]
#print(server.head(i))# 头信息
print(article.number)#文章编号


for s in article.lines:
print(str(s).strip(' b > >> = '))#文章信息


#print(len(server.body(i)[1])) 3
#print(server.head(i), '\n')





'''
body--- ('222 186542 <[e-mail]> body', ArticleInfo(number=186542, message_id='<[e-mail]>', lines=[b'I am wanting to run a CherryPy app as a daemon on CentOS 6 using an =', b'init.d script. By subscribing to the "Daemonizer" and PIDFile cherrypy =', b'plugins, I have been able to write an init.d script that starts and =', b"stops my CherryPy application. There's only one problem: it would appear =", b'that the program daemonizes, thus allowing the init.d script to return a =', b'good start, as soon as I call cherrypy.engine.start(), but *before* the =', b'cherrypy app has actually started. Particularly, this occurs before =', b'cherrypy has bound to the desired port. The end result is that running =', b'"service <myapp> start" returns OK, indicating that the app is now =', b'running, even when it cannot bind to the port, thus preventing it from =', b'actually starting. This is turn causes issues with my clustering =', b'software which thinks it started just fine, when in fact it never =', b'*really* started.', b'', b'As such, is there a way to delay the demonization until I call =', b'cherrypy.engine.block()? Or some other way to prevent the init.d script =', b'from indicating a successful start until the process has actually bound =', b'to the needed port and fully started? What is the proper way of doing =', b'this?=20', b'', b'Thanks!=20', b'-----------------------------------------------', b'Israel Brewster', b'Systems Analyst II', b'Ravn Alaska', b'5245 Airport Industrial Rd', b'Fairbanks, AK 99709', b'[phone]', b'-----------------------------------------------', b'', b'', b'', b'']))


head--- ('221 186542 <[e-mail]> head',
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('221 186543


186542
'I am wanting to run a CherryPy app as a daemon on CentOS 6 using an ='
'init.d script. By subscribing to the "Daemonizer" and PIDFile cherrypy ='
'plugins, I have been able to write an init.d script that starts and ='
"stops my CherryPy application. There's only one problem: it would appear ="
'that the program daemonizes, thus allowing the init.d script to return a ='
'good start, as soon as I call cherrypy.engine.start(), but *before* the ='
'cherrypy app has actually started. Particularly, this occurs before ='
'''
"""