Http://www.newzbot.com/serverlist.PHP?since=ALL&orderby=kps&sortorder=desc&show_maxgroup=on&show_post=
- Http://www.newzbot.com/serverlist.PHP?since=ALL&orderby=kps&sortorder=desc&show_maxgroup=on&show_post=on&show_kps=on&show_created=on
这是可以找到当前有哪些服务器的地方网址,
这个项目的目的就是收集信息,并且将其生成一个html的报告(当然也可以是其他的形式的报告),完成代码如下
- '''''
- Created on 2012-7-18
-
- @author: mars
- '''
- import nntplib
- from nntplib import NNTP
- from time import time,strftime,localtime
- from email import message_from_string
- from urllib import urlopen
- import textwrap
- import re
-
- day=24*60*60
- def wrap(string,max=70):
- #make the string to the max linewidth
- return '\n'.join(textwrap.wrap(string))+'\n'
- class NewsAgent:
- #can get the new project and announce to the object fo the new from the souuce of the news
- def __init__(self):
- self.sources=[]
- self.destinations=[]
- def addSource(self,source):
- self.sources.append(source)
- def aDDDestination(self,dest):
- self.destinations.append(dest)
- def distribute(self):
- items=[]
- for source in self.sources:
- items.extend(source.getItems())
- for dest in self.destinations:
- dest.receiveItems(items)
- class NewsItem:
- #simle news project including tile and text
- def __init__(self,title,body):
- self.title=title
- self.body=body
-
- class NNTPSource:
- #the nntp source
- def __init__(self,servername,group,window):
- self.servername=servername
- self.group=group
- self.window=window
- def getItems(self):
- start=localtime(time()-self.window*day)
- date=strftime('%y%m%d',start)
- hour=strftime('%H%M%S',start)
-
- server=NNTP(self.servername)
-
- ids=server.group(self.group)[2]
- #ids=server.newnews(self.group, date, hour)[1]
-
- for id in ids:
- lines=server.article(id)[3]
- message=message_from_string('\n'.join(lines))
-
- title=message['subject']
- body=message.get_payload()
- if message.is_multipart():
- body=body[0]
-
- yield NewsItem(title,body)
-
- server.quit()
-
- class SimpleWEBSource:
- #user the re to fetch thr source from the webpage
- def __init__(self,url,titlePattern,bodyPattern):
- self.url=url
- self.titlePattern=re.compile(titlePattern)
- self.bodyPattern=re.compile(bodyPattern)
- def getItems(self):
- text=urlopen(self.url).read()
- titles=self.titlePattern.findall(text)
- bodies=self.bodyPattern.findall(text)
- for title,body in zip(titles,bodies):
- yield NewsItem(title.wrap(body))
- class PlainDestination:
- #make it to the pure text
- def receiveItems(self,items):
- for item in items:
- print item.title
- #print '-'*len(subject)
- #print '-'*len(item.title)
- print item.body
- #print 'fuck&&&&&&&bitch'
- class HTMLDestination:
- # make it to the html
- def __init__(self, filename):
- self.filename = filename
-
- def receiveItems(self, items):
- out = open(self.filename, 'w')
- print >> out, """
- <html>
- <head>
- <title>Today's News</title>
- </head>
- <body>
- <h1>Today's News</h1>
- """
-
- print >> out, '<ul>'
- id = 0
- for item in items:
- id += 1
- print >> out, '<li><a href="#%i">%s</a></li>' % (id, item.title)
- print >> out, '</ul>'
-
- id = 0
- for item in items:
- id += 1
- print >> out, '<h2><a name="%i">%s</a></h2>' % (id, item.title)
- print >> out, '<pre>%s</pre>' % item.body
-
- print >> out, """
- </body>
- </html>
- """
-
- class runDefaultSetup():
- #the souce can modify by yourself
- agent=NewsAgent()
- #bbc_url='http://www.chinanews.com/'
- bbc_url='http://www.bbc.co.uk/news/'
- #bbc_url='http://www.bbc.co.uk/text_only.stm'
- bbc_title=r'(?s)a href="[^"]*>\s*<b>\s*(.*?)\s*</b>'
- bbc_body=r'(?s)</a>\s*<br/>\s*(.*?)\s*<'
- bbc=SimpleWebSource(bbc_url,bbc_title,bbc_body)
-
- agent.addSource(bbc)
- #cong gmane.comp.python.announce get the nntpsource
-
- clpa_server='news.gmane.org'
- clpa_group='gmane.comp.Python.apple'
-
- clpa_window=1
- clpa=NNTPSource(clpa_server,clpa_group,clpa_window)
- agent.addSource(clpa)
-
-
- #add the text and html target
- agent.addDestination(PlainDestination())
-
- agent.addDestination(HTMLDestination('news.html'))
-
- #public
- agent.distribute()
- if __name__=='__main__':
- runDefaultSetup()
-
-
-
其实这个程序呢 在第二版的教程上有,不过呢 那个给出的服务器不能用,所以在文章的开始的时候我就给出了 可以找到服务器地址的地方,比如我这里用的就是
clpa_server='news.gmane.org'
clpa_group='gmane.comp.python.apple'
这个!
当然这段代码我也稍微说下,最开始的类NewsAgent,接着是NewsItem,NNTPSource,SimpleWebSource,PlainDestination,HTMLDestination和runDefaultSetup
程序一运行就开始跑的是runDefaultSetup,这里就将NewsAgent实例化为agent,SimpleWebSource的3个参数分别是url, title和body,然后将其实例化为bbc!
随后将bbc作为参数,调用agent的addsource。同样的道理完成了nntpsouce这一块。
最后就是就是调用agent.addDestionation。最后HTMLDestionation以news.html作为生成报告的html文本!
--结束END--
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