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  &lt;div class=&quot;section&quot; id=&quot;module-MiniAEFrame&quot;&gt;
&lt;span id=&quot;miniaeframe-open-scripting-architecture-server-support&quot;&gt;&lt;/span&gt;&lt;h1&gt;37.5. &lt;a class=&quot;reference internal&quot; href=&quot;#module-MiniAEFrame&quot; title=&quot;MiniAEFrame: Support to act as an Open Scripting Architecture (OSA) server (&amp;quot;Apple Events&amp;quot;). (Mac)&quot;&gt;&lt;tt class=&quot;xref py py-mod docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;MiniAEFrame&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; &amp;#8212; Open Scripting Architecture server support&lt;a class=&quot;headerlink&quot; href=&quot;#module-MiniAEFrame&quot; title=&quot;Permalink to this headline&quot;&gt;¶&lt;/a&gt;&lt;/h1&gt;
&lt;p id=&quot;index-0&quot;&gt;The module &lt;a class=&quot;reference internal&quot; href=&quot;#module-MiniAEFrame&quot; title=&quot;MiniAEFrame: Support to act as an Open Scripting Architecture (OSA) server (&amp;quot;Apple Events&amp;quot;). (Mac)&quot;&gt;&lt;tt class=&quot;xref py py-mod docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;MiniAEFrame&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; provides a framework for an application that can
function as an Open Scripting Architecture  (OSA) server, i.e. receive and
process AppleEvents. It can be used in conjunction with &lt;a class=&quot;reference internal&quot; href=&quot;framework.html#module-FrameWork&quot; title=&quot;FrameWork: Interactive application framework. (deprecated) (Mac)&quot;&gt;&lt;tt class=&quot;xref py py-mod docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;FrameWork&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; or
standalone. As an example, it is used in &lt;strong class=&quot;program&quot;&gt;PythonCGISlave&lt;/strong&gt;.&lt;/p&gt;
&lt;p&gt;The &lt;a class=&quot;reference internal&quot; href=&quot;#module-MiniAEFrame&quot; title=&quot;MiniAEFrame: Support to act as an Open Scripting Architecture (OSA) server (&amp;quot;Apple Events&amp;quot;). (Mac)&quot;&gt;&lt;tt class=&quot;xref py py-mod docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;MiniAEFrame&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; module defines the following classes:&lt;/p&gt;
&lt;dl class=&quot;class&quot;&gt;
&lt;dt id=&quot;MiniAEFrame.AEServer&quot;&gt;
&lt;em class=&quot;property&quot;&gt;class &lt;/em&gt;&lt;tt class=&quot;descclassname&quot;&gt;MiniAEFrame.&lt;/tt&gt;&lt;tt class=&quot;descname&quot;&gt;AEServer&lt;/tt&gt;&lt;a class=&quot;headerlink&quot; href=&quot;#MiniAEFrame.AEServer&quot; title=&quot;Permalink to this definition&quot;&gt;¶&lt;/a&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;p&gt;A class that handles AppleEvent dispatch. Your application should subclass this
class together with either &lt;a class=&quot;reference internal&quot; href=&quot;#MiniAEFrame.MiniApplication&quot; title=&quot;MiniAEFrame.MiniApplication&quot;&gt;&lt;tt class=&quot;xref py py-class docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;MiniApplication&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; or
&lt;a class=&quot;reference internal&quot; href=&quot;framework.html#FrameWork.Application&quot; title=&quot;FrameWork.Application&quot;&gt;&lt;tt class=&quot;xref py py-class docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;FrameWork.Application&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt;. Your &lt;a class=&quot;reference internal&quot; href=&quot;../reference/datamodel.html#object.__init__&quot; title=&quot;object.__init__&quot;&gt;&lt;tt class=&quot;xref py py-meth docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;__init__()&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; method should call the
&lt;a class=&quot;reference internal&quot; href=&quot;../reference/datamodel.html#object.__init__&quot; title=&quot;object.__init__&quot;&gt;&lt;tt class=&quot;xref py py-meth docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;__init__()&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; method for both classes.&lt;/p&gt;
&lt;/dd&gt;&lt;/dl&gt;

&lt;dl class=&quot;class&quot;&gt;
&lt;dt id=&quot;MiniAEFrame.MiniApplication&quot;&gt;
&lt;em class=&quot;property&quot;&gt;class &lt;/em&gt;&lt;tt class=&quot;descclassname&quot;&gt;MiniAEFrame.&lt;/tt&gt;&lt;tt class=&quot;descname&quot;&gt;MiniApplication&lt;/tt&gt;&lt;a class=&quot;headerlink&quot; href=&quot;#MiniAEFrame.MiniApplication&quot; title=&quot;Permalink to this definition&quot;&gt;¶&lt;/a&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;p&gt;A class that is more or less compatible with &lt;a class=&quot;reference internal&quot; href=&quot;framework.html#FrameWork.Application&quot; title=&quot;FrameWork.Application&quot;&gt;&lt;tt class=&quot;xref py py-class docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;FrameWork.Application&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; but
with less functionality. Its event loop supports the apple menu, command-dot and
AppleEvents; other events are passed on to the Python interpreter and/or Sioux.
Useful if your application wants to use &lt;a class=&quot;reference internal&quot; href=&quot;#MiniAEFrame.AEServer&quot; title=&quot;MiniAEFrame.AEServer&quot;&gt;&lt;tt class=&quot;xref py py-class docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;AEServer&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; but does not provide
its own windows, etc.&lt;/p&gt;
&lt;/dd&gt;&lt;/dl&gt;

&lt;div class=&quot;section&quot; id=&quot;aeserver-objects&quot;&gt;
&lt;span id=&quot;id1&quot;&gt;&lt;/span&gt;&lt;h2&gt;37.5.1. AEServer Objects&lt;a class=&quot;headerlink&quot; href=&quot;#aeserver-objects&quot; title=&quot;Permalink to this headline&quot;&gt;¶&lt;/a&gt;&lt;/h2&gt;
&lt;dl class=&quot;method&quot;&gt;
&lt;dt id=&quot;MiniAEFrame.AEServer.installaehandler&quot;&gt;
&lt;tt class=&quot;descclassname&quot;&gt;AEServer.&lt;/tt&gt;&lt;tt class=&quot;descname&quot;&gt;installaehandler&lt;/tt&gt;&lt;big&gt;(&lt;/big&gt;&lt;em&gt;classe&lt;/em&gt;, &lt;em&gt;type&lt;/em&gt;, &lt;em&gt;callback&lt;/em&gt;&lt;big&gt;)&lt;/big&gt;&lt;a class=&quot;headerlink&quot; href=&quot;#MiniAEFrame.AEServer.installaehandler&quot; title=&quot;Permalink to this definition&quot;&gt;¶&lt;/a&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;p&gt;Installs an AppleEvent handler. &lt;em&gt;classe&lt;/em&gt; and &lt;em&gt;type&lt;/em&gt; are the four-character OSA
Class and Type designators, &lt;tt class=&quot;docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;'****'&lt;/span&gt;&lt;/tt&gt; wildcards are allowed. When a matching
AppleEvent is received the parameters are decoded and your callback is invoked.&lt;/p&gt;
&lt;/dd&gt;&lt;/dl&gt;

&lt;dl class=&quot;method&quot;&gt;
&lt;dt id=&quot;MiniAEFrame.AEServer.callback&quot;&gt;
&lt;tt class=&quot;descclassname&quot;&gt;AEServer.&lt;/tt&gt;&lt;tt class=&quot;descname&quot;&gt;callback&lt;/tt&gt;&lt;big&gt;(&lt;/big&gt;&lt;em&gt;_object&lt;/em&gt;, &lt;em&gt;**kwargs&lt;/em&gt;&lt;big&gt;)&lt;/big&gt;&lt;a class=&quot;headerlink&quot; href=&quot;#MiniAEFrame.AEServer.callback&quot; title=&quot;Permalink to this definition&quot;&gt;¶&lt;/a&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;p&gt;Your callback is called with the OSA Direct Object as first positional
parameter. The other parameters are passed as keyword arguments, with the
4-character designator as name. Three extra keyword parameters are passed:
&lt;tt class=&quot;docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;_class&lt;/span&gt;&lt;/tt&gt; and &lt;tt class=&quot;docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;_type&lt;/span&gt;&lt;/tt&gt; are the Class and Type designators and &lt;tt class=&quot;docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;_attributes&lt;/span&gt;&lt;/tt&gt;
is a dictionary with the AppleEvent attributes.&lt;/p&gt;
&lt;p&gt;The return value of your method is packed with &lt;a class=&quot;reference internal&quot; href=&quot;aetools.html#aetools.packevent&quot; title=&quot;aetools.packevent&quot;&gt;&lt;tt class=&quot;xref py py-func docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;aetools.packevent()&lt;/span&gt;&lt;/tt&gt;&lt;/a&gt; and
sent as reply.&lt;/p&gt;
&lt;/dd&gt;&lt;/dl&gt;

&lt;p&gt;Note that there are some serious problems with the current design. AppleEvents
which have non-identifier 4-character designators for arguments are not
implementable, and it is not possible to return an error to the originator. This
will be addressed in a future release.&lt;/p&gt;
&lt;/div&gt;
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  &lt;h3&gt;&lt;a href=&quot;../contents.html&quot;&gt;Table Of Contents&lt;/a&gt;&lt;/h3&gt;
  &lt;ul&gt;
&lt;li&gt;&lt;a class=&quot;reference internal&quot; href=&quot;#&quot;&gt;37.5. &lt;tt class=&quot;docutils literal&quot;&gt;&lt;span class=&quot;pre&quot;&gt;MiniAEFrame&lt;/span&gt;&lt;/tt&gt; &amp;#8212; Open Scripting Architecture server support&lt;/a&gt;&lt;ul&gt;
&lt;li&gt;&lt;a class=&quot;reference internal&quot; href=&quot;#aeserver-objects&quot;&gt;37.5.1. AEServer Objects&lt;/a&gt;&lt;/li&gt;
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