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Viewing changes to doc/howto/tutorial/listings/finger/finger16.tac

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2010-01-02 19:38:17 UTC
  • mfrom: (2.2.4 sid)
  • Revision ID: james.westby@ubuntu.com-20100102193817-jphp464ppwh7dulg
Tags: 9.0.0-1
http://bugs.debian.org/557781
* python-twisted: Depend on the python-twisted-* 9.0 packages.
* python-twisted: Depend on python-zope.interface only. Closes: #557781.

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doc/howto/tutorial/listings/finger/finger16.tac
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from twisted.words.protocols import irc
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from twisted.protocols import basic
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from twisted.web import resource, server, static
 
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import cgi
 
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class FingerProtocol(basic.LineReceiver):
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    def lineReceived(self, user):
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        self.factory.getUser(user
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        ).addErrback(lambda _: "Internal error in server"
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        ).addCallback(lambda m:
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                      (self.transport.write(m+"\r\n"),
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                       self.transport.loseConnection()))
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class FingerSetterProtocol(basic.LineReceiver):
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    def connectionMade(self): self.lines = []
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    def lineReceived(self, line): self.lines.append(line)
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    def connectionLost(self,reason): self.factory.setUser(*self.lines[:2])
 
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        d = self.factory.getUser(user)
 
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        def onError(err):
 
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            return 'Internal error in server'
 
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        d.addErrback(onError)
 
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        def writeResponse(message):
 
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            self.transport.write(message + '\r\n')
 
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            self.transport.loseConnection()
 
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        d.addCallback(writeResponse)
 
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class IRCReplyBot(irc.IRCClient):
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    def connectionMade(self):
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        self.nickname = self.factory.nickname
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        irc.IRCClient.connectionMade(self)
 
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    def privmsg(self, user, channel, msg):
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        user = user.split('!')[0]
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        if self.nickname.lower() == channel.lower():
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            self.factory.getUser(msg
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            ).addErrback(lambda _: "Internal error in server"
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            ).addCallback(lambda m: irc.IRCClient.msg(self, user, msg+': '+m))
 
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            d = self.factory.getUser(msg)
 
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            def onError(err):
 
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                return 'Internal error in server'
 
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            d.addErrback(onError)
 
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            def writeResponse(message):
 
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                irc.IRCClient.msg(self, user, msg+': '+message)
 
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            d.addCallback(writeResponse)
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class FingerService(service.Service):
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    def __init__(self, filename):
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        self.filename = filename
 
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        self.users = {}
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        self._read()
 
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    def _read(self):
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        self.users = {}
 
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        self.users.clear()
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        for line in file(self.filename):
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            user, status = line.split(':', 1)
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            user = user.strip()
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            status = status.strip()
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            self.users[user] = status
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        self.call = reactor.callLater(30, self._read)
 
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    def getUser(self, user):
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        return defer.succeed(self.users.get(user, "No such user"))
 
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    def getFingerFactory(self):
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        f = protocol.ServerFactory()
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        f.protocol, f.getUser = FingerProtocol, self.getUser
 
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        f.protocol = FingerProtocol
 
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        f.getUser = self.getUser
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        return f
 
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    def getResource(self):
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        r = resource.Resource()
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        r.getChild = (lambda path, request:
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                      "No such user <p/> usage: site/user")])),
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                      'text/html'))
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        return r
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    def getIRCBot(self, nickname):
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        f = protocol.ReconnectingClientFactory()
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        f.protocol,f.nickname,f.getUser = IRCReplyBot,nickname,self.getUser
 
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        f.protocol = IRCReplyBot
 
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        f.nickname = nickname
 
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        f.getUser = self.getUser
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        return f
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application = service.Application('finger', uid=1, gid=1)