| Index: third_party/twisted_8_1/twisted/flow/controller.py
|
| diff --git a/third_party/twisted_8_1/twisted/flow/controller.py b/third_party/twisted_8_1/twisted/flow/controller.py
|
| deleted file mode 100644
|
| index 303d51d3dc8421574e3f6c43bf0477ce8e71ae11..0000000000000000000000000000000000000000
|
| --- a/third_party/twisted_8_1/twisted/flow/controller.py
|
| +++ /dev/null
|
| @@ -1,101 +0,0 @@
|
| -# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
|
| -# See LICENSE for details.
|
| -
|
| -#
|
| -# Author: Clark Evans (cce@clarkevans.com)
|
| -#
|
| -
|
| -"""
|
| -flow.controller
|
| -
|
| -This implements the various flow controllers, that is, those things which run
|
| -the flow stack.
|
| -"""
|
| -
|
| -from base import *
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| -from wrap import wrap
|
| -from twisted.internet import defer
|
| -
|
| -class Block(Controller,Stage):
|
| - """
|
| - A controller which blocks on Cooperate events
|
| -
|
| - This converts a Stage into an iterable which can be used directly in python
|
| - for loops and other iteratable constructs. It does this by eating any
|
| - Cooperate values and sleeping. This is largely helpful for testing or
|
| - within a threaded environment. It converts other stages into one which
|
| - does not emit cooperate events, ie::
|
| -
|
| - [1,2, Cooperate(), 3] => [1,2,3]
|
| - """
|
| - def __init__(self, stage, *trap):
|
| - Stage.__init__(self)
|
| - self._stage = wrap(stage,*trap)
|
| - self.block = time.sleep
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| -
|
| - def next(self):
|
| - """ fetch the next value from the Stage flow """
|
| - stage = self._stage
|
| - while True:
|
| - result = stage._yield()
|
| - if result:
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| - if isinstance(result, Cooperate):
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| - if result.__class__ == Cooperate:
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| - self.block(result.timeout)
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| - continue
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| - raise Unsupported(result)
|
| - return stage.next()
|
| -
|
| -class Deferred(Controller, defer.Deferred):
|
| - """
|
| - wraps up a Stage with a Deferred interface
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| -
|
| - In this version, the results of the Stage are used to construct a list of
|
| - results and then sent to deferred. Further, in this version Cooperate is
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| - implemented via reactor's callLater.
|
| -
|
| - For example::
|
| -
|
| - from twisted.internet import reactor
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| - from twisted.flow import flow
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| -
|
| - def res(x): print x
|
| - d = flow.Deferred([1,2,3])
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| - d.addCallback(res)
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| - reactor.iterate()
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| - """
|
| - def __init__(self, stage, *trap):
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| - defer.Deferred.__init__(self)
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| - self._results = []
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| - self._stage = wrap(stage, *trap)
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| - self._execute()
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| -
|
| - def results(self, results):
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| - self._results.extend(results)
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| -
|
| - def _execute(self, dummy = None):
|
| - cmd = self._stage
|
| - while True:
|
| - result = cmd._yield()
|
| - if cmd.results:
|
| - self.results(cmd.results)
|
| - cmd.results = []
|
| - if cmd.stop:
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| - if not self.called:
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| - self.callback(self._results)
|
| - return
|
| - if cmd.failure:
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| - cmd.stop = True
|
| - if cmd._trap:
|
| - error = cmd.failure.check(*cmd._trap)
|
| - if error:
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| - self._results.append(error)
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| - continue
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| - self.errback(cmd.failure)
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| - return
|
| - if result:
|
| - if isinstance(result, CallLater):
|
| - result.callLater(self._execute)
|
| - return
|
| - raise Unsupported(result)
|
| -
|
|
|