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<h1>Overview<a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h1>
<p>When developping scientific software, from the simplest script to the
most complex application, one systematically needs to manipulate data sets
(e.g. parameters for a data processing feature).
These data sets may consist of various data types: real numbers (e.g. physical
quantities), integers (e.g. array indexes), strings (e.g. filenames),
booleans (e.g. enable/disable an option), and so on.</p>
<p>Most of the time, the programmer will need the following features:</p>
<blockquote>
<div><ul class="simple">
<li>allow the user to enter each parameter through a graphical user interface,
using widgets which are adapted to data types (e.g. a single combo box or
check boxes are suitable for presenting an option selection among
multiple choices)</li>
<li>entered values have to be stored by the program with a convention which
is again adapted to data types (e.g. when storing a combo box selection
value, should we store the option string, the list index or an
associated key?)</li>
<li>using the stored values easily (e.g. for data processing) by regrouping
parameters in data structures</li>
<li>showing the stored values in a dialog box or within a graphical user
interface layout, again with widgets adapted to data types</li>
</ul>
</div></blockquote>
<p>This library aims to provide these features thanks to automatic graphical user
interface generation for data set editing and display. Widgets inside GUIs are
automatically generated depending on each data item type.</p>
<p>The <cite>guidata</cite> library also provides the following features:</p>
<blockquote>
<div><ul class="simple">
<li><a class="reference internal" href="reference.html#module-guidata.qthelpers" title="guidata.qthelpers"><tt class="xref py py-mod docutils literal"><span class="pre">guidata.qthelpers</span></tt></a>: <cite>PyQt4</cite> helpers</li>
<li><a class="reference internal" href="reference.html#module-guidata.disthelpers" title="guidata.disthelpers"><tt class="xref py py-mod docutils literal"><span class="pre">guidata.disthelpers</span></tt></a>: <cite>py2ex</cite> helpers</li>
<li><a class="reference internal" href="reference.html#module-guidata.userconfig" title="guidata.userconfig"><tt class="xref py py-mod docutils literal"><span class="pre">guidata.userconfig</span></tt></a>: <cite>.ini</cite> configuration management helpers
(based on Python standard module <tt class="xref py py-mod docutils literal"><span class="pre">ConfigParser</span></tt>)</li>
<li><a class="reference internal" href="reference.html#module-guidata.configtools" title="guidata.configtools"><tt class="xref py py-mod docutils literal"><span class="pre">guidata.configtools</span></tt></a>: library/application data management</li>
<li><tt class="xref py py-mod docutils literal"><span class="pre">guidata.gettext_helpers</span></tt>: translation helpers
(based on the GNU tool <cite>gettext</cite>)</li>
<li><tt class="xref py py-mod docutils literal"><span class="pre">guidata.guitest</span></tt>: automatic GUI-based test launcher</li>
<li><a class="reference internal" href="reference.html#module-guidata.utils" title="guidata.utils"><tt class="xref py py-mod docutils literal"><span class="pre">guidata.utils</span></tt></a>: miscelleneous utilities</li>
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</div></blockquote>
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