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Viewing changes to doc/core/howto/listings/TwistedQuotes/quotetap2.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2006-01-16 19:56:10 UTC
  • mfrom: (1.1.3 upstream)
  • Revision ID: james.westby@ubuntu.com-20060116195610-ykmxbia4mnnod9o2
Tags: 2.1.0-0ubuntu2
debian/copyright: Include copyright for python 2.3; some 2.3 files
are included in the upstream tarball, but not in the binary packages.

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doc/core/howto/listings/TwistedQuotes/quotetap2.py
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from TwistedQuotes import quoteproto    # Protocol and Factory
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from TwistedQuotes import quoters       # "give me a quote" code
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from TwistedQuotes import pbquote       # perspective broker binding
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from twisted.application import service, internet
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from twisted.python import usage        # twisted command-line processing
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from twisted.spread import pb           # Perspective Broker
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class Options(usage.Options):
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    optParameters = [["port", "p", 8007,
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                      "Port number to listen on for QOTD protocol."],
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                     ["static", "s", "An apple a day keeps the doctor away.",
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                      "A static quote to display."],
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                     ["file", "f", None,
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                      "A fortune-format text file to read quotes from."],
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                     ["pb", "b", None,
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                      "Port to listen with PB server"]]
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def makeService(config):
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    svc = service.MultiService()
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    if config["file"]:                  # If I was given a "file" option...
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        # Read quotes from a file, selecting a random one each time,
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        quoter = quoters.FortuneQuoter([config['file']])
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    else:                               # otherwise,
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        # read a single quote from the command line (or use the default).
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        quoter = quoters.StaticQuoter(config['static'])
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    port = int(config["port"])          # TCP port to listen on
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    factory = quoteproto.QOTDFactory(quoter) # here we create a QOTDFactory
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    # Finally, set up our factory, with its custom quoter, to create QOTD
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    # protocol instances when events arrive on the specified port.
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    pbport = config['pb']               # TCP PB port to listen on
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    if pbport:
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        pbfact = pb.PBServerFactory(pbquote.QuoteReader(quoter))
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        svc.addService(internet.TCPServer(int(pbport), pbfact))
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    svc.addService(internet.TCPServer(port, factory))
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    return svc