Popular recipes tagged "meta:requires=pygtk"http://code.activestate.com/recipes/tags/meta:requires=pygtk/2013-11-27T14:06:20-08:00ActiveState Code RecipesDelete a Gtk.TreeView row (Python)
2013-11-27T13:59:58-08:00Anonimistahttp://code.activestate.com/recipes/users/4188571/http://code.activestate.com/recipes/578773-delete-a-gtktreeview-row/
<p style="color: grey">
Python
recipe 578773
by <a href="/recipes/users/4188571/">Anonimista</a>
(<a href="/recipes/tags/gtk/">gtk</a>, <a href="/recipes/tags/gui/">gui</a>).
</p>
<p>Delete a Gtk.TreeView row</p>
Basic Gtk.TreeView Example with two sortable columns (Python)
2013-11-27T13:56:38-08:00Anonimistahttp://code.activestate.com/recipes/users/4188571/http://code.activestate.com/recipes/578772-basic-gtktreeview-example-with-two-sortable-column/
<p style="color: grey">
Python
recipe 578772
by <a href="/recipes/users/4188571/">Anonimista</a>
(<a href="/recipes/tags/gtk/">gtk</a>, <a href="/recipes/tags/user_interface/">user_interface</a>).
</p>
<p>Basic Gtk.TreeView Example with two sortable columns</p>
Use Gtk.TreeView to browse MySql databases (Python)
2013-11-27T14:06:20-08:00Anonimistahttp://code.activestate.com/recipes/users/4188571/http://code.activestate.com/recipes/578775-use-gtktreeview-to-browse-mysql-databases/
<p style="color: grey">
Python
recipe 578775
by <a href="/recipes/users/4188571/">Anonimista</a>
(<a href="/recipes/tags/gui/">gui</a>, <a href="/recipes/tags/mysqldb/">mysqldb</a>, <a href="/recipes/tags/user_interface/">user_interface</a>).
</p>
<p>Use Gtk.TreeView to browse MySql database structure from database to tables and views and to columns</p>
List MySql databases in a Gtk.TreeView (Python)
2013-11-27T14:03:21-08:00Anonimistahttp://code.activestate.com/recipes/users/4188571/http://code.activestate.com/recipes/578774-list-mysql-databases-in-a-gtktreeview/
<p style="color: grey">
Python
recipe 578774
by <a href="/recipes/users/4188571/">Anonimista</a>
(<a href="/recipes/tags/database/">database</a>, <a href="/recipes/tags/gtk/">gtk</a>, <a href="/recipes/tags/gui/">gui</a>, <a href="/recipes/tags/mysqldb/">mysqldb</a>, <a href="/recipes/tags/user_interface/">user_interface</a>).
</p>
<p>List MySql databases in a Gtk.TreeView</p>
Run asynchronous tasks using coroutines (Python)
2010-08-06T16:16:20-07:00Arnau Sanchezhttp://code.activestate.com/recipes/users/4173270/http://code.activestate.com/recipes/577129-run-asynchronous-tasks-using-coroutines/
<p style="color: grey">
Python
recipe 577129
by <a href="/recipes/users/4173270/">Arnau Sanchez</a>
(<a href="/recipes/tags/coroutine/">coroutine</a>, <a href="/recipes/tags/event/">event</a>, <a href="/recipes/tags/generator/">generator</a>, <a href="/recipes/tags/gobject/">gobject</a>, <a href="/recipes/tags/gtk/">gtk</a>, <a href="/recipes/tags/gui/">gui</a>, <a href="/recipes/tags/network/">network</a>, <a href="/recipes/tags/nonblocking/">nonblocking</a>, <a href="/recipes/tags/pygtk/">pygtk</a>).
Revision 20.
</p>
<p>This recipe shows a simple, transparent (and hopefully pythonic) way of running asynchronous tasks when writing a event-driven application (i.e. GUI). The aim is to allow a programmer to write time-consuming functions (usually IO-bound, but not only) with sequential-looking code, instead of scattering the logic over a bunch of callbacks. We will take advantage of the coroutines introduced in Python 2.5 (see <a href="http://www.python.org/dev/peps/pep-0342" rel="nofollow">http://www.python.org/dev/peps/pep-0342</a>). </p>
<p>The goal: wouldn't it be great if we could write something like this?</p>
<pre class="prettyprint"><code>def myjob(entry, arg1, arg2, arg3):
result1 = function_that_takes_eons_to_complete(arg1, arg2)
result2 = another_function_that_downloads_a_big_really_big_file(result1, arg3)
entry.set_text("The result is: %d" % result2)
def on_start_button___clicked(button, entry):
myjob(entry, 1, 2, 3)
...
gtk.main()
</code></pre>
<p>Indeed, but we can't! The GUI will hang until the job is done and the user will be rightfully angry. Coroutines to the rescue: the absolute minimal change we can make to this code is transforming <em>myjob</em> into a coroutine and yield every time we do blocking stuff:</p>
<pre class="prettyprint"><code>def myjob(entry, arg1, arg2, arg3):
result1 = yield some_task(arg1, arg2)
result2 = yield some_other_task(result1, arg3)
entry.set_text("The result is: %d" % result2)
def on_start__clicked(button, entry):
start_job(myjob(entry, 1, 2, 3))
</code></pre>
<p><em>some_task</em> and <em>some_other_task</em> are here the asynchronous implementation of the sequential tasks used in the first fragment, and <em>start_job</em> the wrapper around the coroutine. Note that we still have to implement non-blocking versions of the tasks, but they are usually pretty generic (wait some time, download a file, ...) and can be re-used. If you happen to have a CPU-bound function or even a IO-bound code you cannot split (<em>urllib2</em> anyone?), you can always use a generic threaded task (granted, the whole point of using co-routines should be avoiding threads, but there is no alternative here).</p>
<p>At the end, all the plumbing we need to make it work is just 1 function: <em>start_job</em> (wrapper around the job to manage the flow of the coroutine). The rest of the code -two asynchronous tasks (<em>sleep_task</em>, <em>threaded_task</em>) and a demo app- are shown solely as an example.</p>
simple pygtk Calculator (Python)
2009-01-20T21:07:35-08:00mohsen javidhttp://code.activestate.com/recipes/users/4168857/http://code.activestate.com/recipes/576623-simple-pygtk-calculator/
<p style="color: grey">
Python
recipe 576623
by <a href="/recipes/users/4168857/">mohsen javid</a>
(<a href="/recipes/tags/calculator/">calculator</a>, <a href="/recipes/tags/pygtk/">pygtk</a>).
</p>
<p>this is a simple calculator maked whith python and gtk.</p>
Live Object Browser (Python)
2004-08-18T16:22:16-07:00Simon Burtonhttp://code.activestate.com/recipes/users/1214028/http://code.activestate.com/recipes/300304-live-object-browser/
<p style="color: grey">
Python
recipe 300304
by <a href="/recipes/users/1214028/">Simon Burton</a>
(<a href="/recipes/tags/debugging/">debugging</a>).
</p>
<p>Given an object, this tool throws up a gtk tree widget that maps all the references found. It dynamically builds the tree, which means it can handle large amounts of data and circular references.</p>