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Viewing changes to vendor/Twisted-10.0.0/doc/core/howto/listings/TwistedQuotes/quotetap.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/doc/core/howto/listings/TwistedQuotes/quotetap.py
 
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from twisted.application import internet # services that run TCP/SSL/etc.
 
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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 twisted.python import usage        # twisted command-line processing
 
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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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def makeService(config):
 
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    """Return a service that will be attached to the application."""
 
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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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    return internet.TCPServer(port, factory)