Ajenti Widget Arbitrary Shell Command Output

__init__.py

from ajenti.api import *
from ajenti.plugins import *

info = PluginInfo(
    title='Shiget',
    icon='cog',
    dependencies=[
		PluginDependency('main'),
        PluginDependency('dashboard'),
    ],
)

def init():
    import shiget

shiget.py

import subprocess

from ajenti.api import plugin
from ajenti.plugins.dashboard.api import ConfigurableWidget


@plugin
class Shiget (ConfigurableWidget):
    name = _('Shell output')
    icon = 'cog'

    def on_prepare(self):
        self.append(self.ui.inflate('shiget:shiget'))

    def on_start(self):
        if self.config['command']:
            self.find('value').text = subprocess.check_output(
                self.config['command'], 
                stderr=subprocess.STDOUT, 
                shell=True
            )

    def create_config(self):
        return {'command': ''}

    def on_config_start(self):
        self.dialog.find('command').value = self.config['command']

    def on_config_save(self):
        self.config['command'] = self.dialog.find('command').value

shiget.xml

<hc>
    <label id="value" escape="False" />

    <dialog id="config-dialog" visible="False">
        <pad>
            <formline text="{Command}">
                <textbox id="command"/>
            </formline>
        </pad>
    </dialog>
</hc>