doc/core/howto/listings/TwistedQuotes/quoteproto.py

   1 from zope.interface import Interface
   2
   3 from twisted.internet.protocol import Factory, Protocol
   4
   5
   6
   7 class IQuoter(Interface):
   8     """
   9     An object that returns quotes.
  10     """
  11     def getQuote():
  12         """
  13         Return a quote.
  14         """
  15
  16
  17
  18 class QOTD(Protocol):
  19     def connectionMade(self):
  20         self.transport.write(self.factory.quoter.getQuote()+'\r\n')
  21         self.transport.loseConnection()
  22
  23
  24
  25 class QOTDFactory(Factory):
  26     """
  27     A factory for the Quote of the Day protocol.
  28
  29     @type quoter: L{IQuoter} provider
  30     @ivar quoter: An object which provides L{IQuoter} which will be used by
  31         the L{QOTD} protocol to get quotes to emit.
  32     """
  33     protocol = QOTD
  34
  35     def __init__(self, quoter):
  36         self.quoter = quoter