twisted.flow.pipe.Pipe.html [plain text]
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<a href="twisted.html">Package twisted</a> ::
<a href="twisted.flow.html">Package flow</a> ::
<a href="twisted.flow.pipe.html">Module pipe</a> ::
Class Pipe
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<!-- =========== START OF CLASS DESCRIPTION =========== -->
<h2 class="class">Class Pipe</h2>
<pre class="base-tree">
<a href="twisted.flow.base.Instruction.html"><code>Instruction</code></a> --+
|
<a href="twisted.flow.base.Stage.html"><code>Stage</code></a> --+
|
<b>Pipe</b>
</pre><br />
<dl><dt><b>Known Subclasses:</b></dt>
<dd>
<a href="twisted.flow.pipe.Filter.html"><code>Filter</code></a>,
<a href="twisted.flow.pipe.LineBreak.html"><code>LineBreak</code></a></dd></dl>
<hr/>
abstract stage which takes a single input stage
<hr/>
<!-- =========== START OF METHOD SUMMARY =========== -->
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<th colspan="2">Method Summary</th></tr>
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<td><code><a name="__init__"></a><span class="summary-sig"><span class="summary-sig-name">__init__</span>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>source</span>,
<span class="summary-sig-vararg">*trap</span>)</span></code>
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<td><code><span class="summary-sig"><a href="twisted.flow.pipe.Pipe.html#_yield" class="summary-sig-name"><code>_yield</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
executed during a yield statement by previous stage</td></tr>
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<td><code><span class="summary-sig"><a href="twisted.flow.pipe.Pipe.html#process" class="summary-sig-name"><code>process</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>results</span>)</span></code>
<br />
process implemented by the pipe</td></tr>
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<th colspan="2"> Inherited from Stage</th></tr>
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<td><code><span class="summary-sig"><a href="twisted.flow.base.Stage.html#__iter__" class="summary-sig-name"><code>__iter__</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
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<td><code><span class="summary-sig"><a href="twisted.flow.base.Stage.html#next" class="summary-sig-name"><code>next</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
return current result</td></tr>
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<a name="_yield"></a>
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<h3><span class="sig"><span class="sig-name">_yield</span>(<span class=sig-arg>self</span>)</span>
</h3>
<p>executed during a yield statement by previous stage</p>
This method is private within the scope of the flow module, it is
used by one stage in the flow to ask a subsequent stage to produce its
value. The result of the yield is then stored in self.result and is an
instance of Failure if a problem occurred.
<dl><dt></dt><dd>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="twisted.flow.base.Stage.html#_yield"><code>twisted.flow.base.Stage._yield</code></a> <i>(inherited documentation)</i>
</dd>
</dl>
</dd></dl>
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<a name="process"></a>
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<h3><span class="sig"><span class="sig-name">process</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>results</span>)</span>
</h3>
<p>process implemented by the pipe</p>
Take a set of possibly empty results and sets the member variables:
results, stop, or failure appropriately
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