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<h1><a name="Customizing_GNUmed_client_startup_and_shutdown"></a> Customizing GNUmed client startup and shutdown </h1>
<p></p>
There are several built-in hooks for customization of the startup/shutdown process. this is over and above any custom shell scripts/batch files by which to launch the client, and/or hacking of the Python source code itself to achieve any needed behaviour.
<p></p>
<a name="foswikiTOC"></a><div class="foswikiToc"> <ul>
<li> <a href="#Startup"> Startup </a> <ul>
<li> <a href="#shell_command_line"> shell command line </a>
</li> <li> <a href="#launcher_shell_script:_61_47usr_47bin_47gnumed_61"> launcher shell script: /usr/bin/gnumed </a>
</li> <li> <a href="#launcher_Python_script:_61gnumed.py_61"> launcher Python script: gnumed.py </a>
</li> <li> <a href="#other_customization_of_client_startup_40plugins_44_workplaces_41"> other customization of client startup (plugins, workplaces) </a>
</li> <li> <a href="#widget_loading:_61Gnumed_47wxGladeWidgets_47_61"> widget loading: Gnumed/wxGladeWidgets/ </a>
</li></ul>
</li> <li> <a href="#Shutdown"> Shutdown </a>
</li></ul>
</div>
<p></p>
<h2><a name="Startup"></a> Startup </h2>
<p></p>
<h3><a name="shell_command_line"></a> shell command line </h3>
<p></p>
The GNUmed client accepts a few command line options. They are documented in the <a href="http://cvs.savannah.gnu.org/viewcvs/gnumed/gnumed/client/doc/man-pages/gnumed.1?root=gnumed&view=markup" target="_top">man page</a>. The options are passed to the <code>/usr/bin/gnumed</code> launcher shell script and eventually to the <code>gnumed.py</code> Python launcher script.
<p></p>
In particular, it may be convenient to use <code><b>--conf-file</b></code> to specify the use of a config file other than what GNUmed would have used by default. This is addressed further in <a href="GmManualConfigFiles.html">GmManualConfigFiles</a>.
<p></p>
<h3><a name="launcher_shell_script:_61_47usr_47bin_47gnumed_61"></a> launcher shell script: <code>/usr/bin/gnumed</code> </h3>
<p></p>
The client is usually launched with the <code>/usr/bin/gnumed</code> shell script which is included in the release tarball. This script looks for
<p></p> <ul>
<li> <code>/etc/gnumed/gnumed-startup-local.sh</code> <ul>
<li> can be used for site-wide "local" customization
</li></ul>
</li></ul>
<p></p> <ul>
<li> <code>~/.gnumed/scripts/gnumed-startup-local.sh</code> <ul>
<li> can be used for user-specific customization
</li></ul>
</li></ul>
<p></p>
and executes them (in that order) if they exist. Both scripts can do anything the user launching <code>/usr/bin/gnumed</code> can do (unless they are setuid-root). GNUmed as a project will never overwrite those files (but your package manager may decide to provide an updated <code>/etc/gnumed/gnumed-startup-local.sh</code> from time to time).
<p></p>
<h3><a name="launcher_Python_script:_61gnumed.py_61"></a> launcher Python script: <code>gnumed.py</code> </h3>
<p></p>
When this script has been called the client as such is running. During startup, two <a href="GmManualHooksFramework.html">hooks</a> provide for customization:
<p></p> <ul>
<li> hook <code>startup-before-GUI</code> <ul>
<li> this is called before the wxPython GUI is initialized
</li></ul>
</li></ul>
<p></p> <ul>
<li> hook <code>startup-post-GUI-init</code> <ul>
<li> this is called after the wxPython GUI has been initialized but before flow control is handed to user input
</li></ul>
</li></ul>
<p></p>
Among other things, connecting to the backend <a href="GmManualCustomizingBackendLogin.html">(which can be customized as well)</a> happens between those two hooks.
<p></p>
<h3><a name="other_customization_of_client_startup_40plugins_44_workplaces_41"></a> other customization of client startup (plugins, workplaces) </h3>
<p></p>
Additional configuration can include the selection of plugins that are to be loaded into the GNumed toolbar, and their order. This is treated further in <a href="WorkPlace.html">WorkPlaces</a>.
<p></p>
<h3><a name="widget_loading:_61Gnumed_47wxGladeWidgets_47_61"></a> widget loading: <code>Gnumed/wxGladeWidgets/</code> </h3>
<p></p>
The GNUmed client launcher code <code>gnumed.py</code> checks for the directory <code>~/.gnumed/local_code/CLIENT_BRANCH/Gnumed/wxGladeWidgets</code>. If it exists it will be made available for importing whenever GNUmed imports code from package <code>Gnumed.wxGladeWidgets</code>. Several conditions must be met:
<p></p> <ul>
<li> permissions of <code>~/.gnumed/local_code/CLIENT_BRANCH/Gnumed/wxGladeWidgets</code> must be <code>0700</code> (<code>rwx------</code>)
</li> <li> no files or directories other than <code>wxGladeWidgets</code>, <code>__init__.py</code>, and <code>__init__.pyc</code> may exist within <code>~/.gnumed/local_code/CLIENT_BRANCH/Gnumed/</code>
</li> <li> (empty) <code>__init__.py</code> files must exist in <code>~/.gnumed/local_code/CLIENT_BRANCH/Gnumed/</code> and <code>~/.gnumed/local_code/CLIENT_BRANCH/Gnumed/wxGladeWidgets/</code>
</li></ul>
<p></p>
The <code>CLIENT_BRANCH</code> part is to be replaced with the branch in which one wants to override wxGlade widgets because code may need to be different between branches.
<p></p>
<hr />
<h2><a name="Shutdown"></a> Shutdown </h2>
<p></p>
During shutdown the hook <code>shutdown-post-GUI</code> is called when the wxPython GUI has been closed.
<p></p>
<a name="TopicEnd"></a>
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