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<a name="Reloading-a-python-file-in-GPS"></a>
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<h5 class="subsubsection">16.8.7.6 Reloading a python file in GPS</h5>
<p>After you have made modification to a python file, you might want to
reload it in GPS. This requires careful use of python commands.
<p>Here is an example. Lets assume you have a python file (<samp><span class="file">"mymod.py"</span></samp>)
which contains the following:
<pre class="smallexample"> GPS.parse_xml ("""
<action name="my_action">
<shell lang="python">mymod.myfunc()</shell>
</action>""")
def myfunc():
print "In myfunc\n"
</pre>
<p>As you can guess from this file, it defines an action "my_action", that you
can for instance associate with a keybinding through the Edit->Key shortcuts
menu.
<p>If this file has been copied in one of the <samp><span class="file">plug-ins</span></samp> directories,
it will be automatically loaded at startup.
<p>Notice that the function <code>myfunc</code> is thus found in a separate namespace,
with the name <code>mymod</code>, same as the file.
<p>If you decide, during your GPS session, to edit this file and have the
function print "In myfunc2" instead, you then have to reload the file by
typing the following command in the Python console:
<pre class="smallexample"> > execfile ("HOME/.gps/plug-ins/mymod.py", mymod.__dict__)
</pre>
<p>The first parameter is the full path to the file that you want to reload.
The second argument is less obvious, but indicates that the file should be
reloaded in the namespace <code>mymod</code>.
<p>If you omit the optional second parameter, Python will load the file, but
the function <code>myfunc</code> will be defined in the global namespace, and thus
the new definition is accessible through
<pre class="smallexample"> > myfunc()
</pre>
<p>Thus, the key shortcut you had set, which still executes <code>mymod.myfunc()</code>
will keep executing the old definition.
<p>By default, GPS provides a contextual menu when you are editing a Python
file. This contextual menu (Python->Reload module) will take care of all
the above details.
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