431 lines
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HTML
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431 lines
16 KiB
HTML
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<a href="pypattyrn-module.html">Package pypattyrn</a> ::
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<a href="pypattyrn.structural-module.html">Package structural</a> ::
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<a href="pypattyrn.structural.composite-module.html">Module composite</a> ::
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Class Composite
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<!-- ==================== CLASS DESCRIPTION ==================== -->
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<h1 class="epydoc">Class Composite</h1><p class="nomargin-top"><span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite">source code</a></span></p>
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<pre class="base-tree">
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object --+
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<strong class="uidshort">Composite</strong>
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</pre>
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<hr />
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<pre class="literalblock">
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Composite class as part of the Composite pattern.
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- External Usage Documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Structural-Pattern-Usage}
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- External Composite Pattern documentation: U{https://en.wikipedia.org/wiki/Composite_pattern}
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</pre>
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<!-- ==================== INSTANCE METHODS ==================== -->
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<a name="section-InstanceMethods"></a>
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<td align="left"><span class="table-header">Instance Methods</span></td>
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<td align="right" valign="top"
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><span class="options">[<a href="#section-InstanceMethods"
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<span class="summary-type"> </span>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<td><span class="summary-sig"><a href="pypattyrn.structural.composite.Composite-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">interface</span>)</span><br />
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Initialize a new Composite instance.</td>
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<td align="right" valign="top">
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<span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.__init__">source code</a></span>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="pypattyrn.structural.composite.Composite-class.html#add_component" class="summary-sig-name">add_component</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">component</span>)</span><br />
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Add a component to this composite.</td>
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<td align="right" valign="top">
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<span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.add_component">source code</a></span>
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="pypattyrn.structural.composite.Composite-class.html#remove_component" class="summary-sig-name">remove_component</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">component</span>)</span><br />
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Remove a component from this composite.</td>
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<td align="right" valign="top">
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<span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.remove_component">source code</a></span>
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</td>
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</td>
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<tr class="private">
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="pypattyrn.structural.composite.Composite-class.html#_delegate" class="summary-sig-name" onclick="show_private();">_delegate</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">func_name</span>)</span><br />
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Apply a function to all child components by function name.</td>
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<td align="right" valign="top">
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<span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite._delegate">source code</a></span>
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</td>
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<tr>
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="pypattyrn.structural.composite.Composite-class.html#__getattr__" class="summary-sig-name">__getattr__</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">item</span>)</span><br />
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Override getattr to delegate all function calls to children.</td>
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<td align="right" valign="top">
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<span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.__getattr__">source code</a></span>
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<td colspan="2" class="summary">
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
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<code>__delattr__</code>,
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<code>__format__</code>,
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<code>__getattribute__</code>,
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<code>__hash__</code>,
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<code>__new__</code>,
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<code>__reduce__</code>,
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<code>__reduce_ex__</code>,
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<code>__repr__</code>,
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<code>__setattr__</code>,
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<code>__sizeof__</code>,
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<code>__str__</code>,
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<code>__subclasshook__</code>
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</p>
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<!-- ==================== PROPERTIES ==================== -->
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<a name="section-Properties"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<td align="left"><span class="table-header">Properties</span></td>
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<td align="right" valign="top"
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<td colspan="2" class="summary">
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
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<code>__class__</code>
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</p>
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</td>
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</tr>
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</table>
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<!-- ==================== METHOD DETAILS ==================== -->
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<a name="section-MethodDetails"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<td align="left"><span class="table-header">Method Details</span></td>
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<td align="right" valign="top"
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><span class="options">[<a href="#section-MethodDetails"
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class="privatelink" onclick="toggle_private();"
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>hide private</a>]</span></td>
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<a name="__init__"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
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<span class="sig-arg">interface</span>)</span>
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<br /><em class="fname">(Constructor)</em>
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</h3>
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</td><td align="right" valign="top"
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><span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.__init__">source code</a></span>
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</td>
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</tr></table>
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<p>Initialize a new Composite instance.</p>
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<dl class="fields">
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<dt>Parameters:</dt>
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<dd><ul class="nomargin-top">
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<li><strong class="pname"><code>interface</code></strong> (class) - The interface the all child components must adhere to when added
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to this composite.</li>
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</ul></dd>
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<dt>Overrides:
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object.__init__
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</dt>
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</dl>
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</td></tr></table>
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</div>
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<a name="add_component"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">add_component</span>(<span class="sig-arg">self</span>,
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<span class="sig-arg">component</span>)</span>
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</h3>
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</td><td align="right" valign="top"
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><span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.add_component">source code</a></span>
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</td>
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</tr></table>
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<p>Add a component to this composite.</p>
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<dl class="fields">
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<dt>Parameters:</dt>
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<dd><ul class="nomargin-top">
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<li><strong class="pname"><code>component</code></strong> - The component to add to this Composite</li>
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</ul></dd>
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<dt>Raises:</dt>
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<dd><ul class="nomargin-top">
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<li><code><strong class='fraise'>AttributeError</strong></code> - If the component does not adhere to this Composites interface.</li>
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</ul></dd>
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</dl>
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</td></tr></table>
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</div>
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<a name="remove_component"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">remove_component</span>(<span class="sig-arg">self</span>,
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<span class="sig-arg">component</span>)</span>
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</h3>
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</td><td align="right" valign="top"
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><span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.remove_component">source code</a></span>
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</td>
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</tr></table>
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<p>Remove a component from this composite.</p>
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<dl class="fields">
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<dt>Parameters:</dt>
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<dd><ul class="nomargin-top">
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<li><strong class="pname"><code>component</code></strong> - The component to remove from this Composite.</li>
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</ul></dd>
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</dl>
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</td></tr></table>
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</div>
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<a name="_delegate"></a>
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<div class="private">
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">_delegate</span>(<span class="sig-arg">self</span>,
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<span class="sig-arg">func_name</span>)</span>
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</h3>
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</td><td align="right" valign="top"
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><span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite._delegate">source code</a></span>
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</td>
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</tr></table>
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<p>Apply a function to all child components by function name.</p>
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<dl class="fields">
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<dt>Parameters:</dt>
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<dd><ul class="nomargin-top">
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<li><strong class="pname"><code>func_name</code></strong> (str) - The name of the function to call with all child components.</li>
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</ul></dd>
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<dt>Raises:</dt>
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<dd><ul class="nomargin-top">
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<li><code><strong class='fraise'>AttributeError</strong></code> - If a child component does not have a callable function with the
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given name.</li>
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</ul></dd>
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</dl>
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</td></tr></table>
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</div>
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<a name="__getattr__"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__getattr__</span>(<span class="sig-arg">self</span>,
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<span class="sig-arg">item</span>)</span>
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<br /><em class="fname">(Qualification operator)</em>
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</h3>
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</td><td align="right" valign="top"
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><span class="codelink"><a href="pypattyrn.structural.composite-pysrc.html#Composite.__getattr__">source code</a></span>
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</td>
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</tr></table>
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<p>Override getattr to delegate all function calls to children.</p>
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<dl class="fields">
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<dt>Parameters:</dt>
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<dd><ul class="nomargin-top">
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<li><strong class="pname"><code>item</code></strong> (str) - The function to call with this composites children components.</li>
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</ul></dd>
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<dt>Returns:</dt>
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<dd>A function that when called will call all child functions with
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the given function name.</dd>
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</dl>
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</td></tr></table>
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</div>
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<br />
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