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<title>Installation of processing</title>
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<div class="document" id="installation-of-processing">
<h1 class="title">Installation of processing</h1>
<p>Versions earlier than Python 2.4 are not supported. If you are using
Python 2.4 then you should install the <tt class="docutils literal"><span class="pre">ctypes</span></tt> package (which comes
automatically with Python 2.5).</p>
<p>Windows binary builds for Python 2.4 and Python 2.5 are available at</p>
<blockquote>
<a class="reference" href="http://pyprocessing.berlios.de">http://pyprocessing.berlios.de</a></blockquote>
<p>or</p>
<blockquote>
<a class="reference" href="http://pypi.python.org/pypi/processing">http://pypi.python.org/pypi/processing</a></blockquote>
<p>Otherwise, if you have the correct C compiler setup then the source
distribution can be installed the usual way:</p>
<pre class="literal-block">
python setup.py install
</pre>
<p>It should not be necessary to do any editing of <tt class="docutils literal"><span class="pre">setup.py</span></tt> if you are
using Windows, Mac OS X or Linux. On other unices it may be necessary
to modify the values of the <tt class="docutils literal"><span class="pre">macros</span></tt> dictionary or <tt class="docutils literal"><span class="pre">libraries</span></tt> list.
The section to modify reads</p>
<pre class="literal-block">
else:
macros = dict(
HAVE_SEM_OPEN=1,
HAVE_SEM_TIMEDWAIT=1,
HAVE_FD_TRANSFER=1
)
libraries = ['rt']
</pre>
<p>More details can be found in the comments in <tt class="docutils literal"><span class="pre">setup.py</span></tt>.</p>
<p>Note that if you use <tt class="docutils literal"><span class="pre">HAVE_SEM_OPEN=0</span></tt> then support for posix
semaphores will not been compiled in, and then many of the functions
in the <tt class="docutils literal"><span class="pre">processing</span></tt> namespace like <tt class="docutils literal"><span class="pre">Lock()</span></tt>, <tt class="docutils literal"><span class="pre">Queue()</span></tt> or will not be
available. However, one can still create a manager using <tt class="docutils literal"><span class="pre">manager</span> <span class="pre">=</span>
<span class="pre">processing.Manager()</span></tt> and then do <tt class="docutils literal"><span class="pre">lock</span> <span class="pre">=</span> <span class="pre">manager.Lock()</span></tt> etc.</p>
<div class="section">
<h1><a id="running-tests" name="running-tests">Running tests</a></h1>
<p>To run the test scripts using Python 2.5 do</p>
<pre class="literal-block">
python -m processing.tests
</pre>
<p>and on Python 2.4 do</p>
<pre class="literal-block">
python -c "from processing.tests import main; main()"
</pre>
<p>This will run a number of test scripts using both processes and threads.</p>
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