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<html><head><title>renpy.partial - Ren'Py Visual Novel Engine</title><link href="../../shared.css" rel="stylesheet"><link href="../../monobook.css" rel="stylesheet"><link href="../../common.css" rel="stylesheet"><link href="../../monobook2.css" rel="stylesheet"><link href="../../docs.css" rel="stylesheet" /></link></link></link></link></head><body><div id="bodyContent">
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<h1><span class="mw-headline">renpy.partial</span></h1>
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<td valign="top">Function:</td>
<td valign="top"><b><strong class="selflink">renpy.partial</strong></b></td>
<td valign="top">(function, *args, **kwargs):</td>
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<div class="renpy-doc">
<p>When called with a function and optional arguments, this function returns a callable object. When that object is called, <i>function</i> is called with the arguments from both calls. Positional arguments from the first call are placed before positional arguments from the second call. If a keyword argument is given in both calls, the value from the second call takes priority.</p>
<p>The callable objects can be pickled provided the original function remains available at its original name.</p>
</div>
<pre>
<span class="kwa">init python</span><span class="sym">:</span>
<span class="kwa">def</span> <span class="kwd">add</span><span class="sym">(</span>a<span class="sym">,</span> b<span class="sym">):</span>
<span class="kwa">return</span> a <span class="sym">+</span> b
<span class="kwa">python</span><span class="sym">:</span>
add_to_one <span class="sym">=</span> renpy<span class="sym">.</span><span class="kwd">partial</span><span class="sym">(</span>add<span class="sym">,</span> <span class="num">1</span><span class="sym">)</span>
result <span class="sym">=</span> <span class="kwd">add_to_one</span><span class="sym">(</span><span class="num">2</span><span class="sym">)</span>
<span class="slc"># Result is now 3.</span>
</pre>
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