Get the app that should be launched for a specific hardware Type

get_exe_from_hwtype.py

#!/usr/bin/env python

from xdg import IniFile, BaseDirectory, DesktopEntry
from os import path
import pynotify

# Desktop Notifications Specification: http://www.galago-project.org/specs/notification/0.9/index.html
title = "HANS: Device detected"
message = "An ebook has been plugged"
timeout = pynotify.EXPIRES_DEFAULT
transient = True

if pynotify.init("HANS " + "Notifications"):
    notify = pynotify.Notification(title, message)
    #notify.set_icon_from_pixbuf(icon)
    notify.set_category('device.added')
    notify.set_urgency(pynotify.URGENCY_LOW)
    notify.set_hint('transient', transient)
    notify.set_timeout(timeout)
    if not notify.show():
        print "Failed to show the notification"
else:
    print "Failed to init the notification"


mime_filename = 'applications/mimeapps.list'
launchers = []

for dirname in BaseDirectory.xdg_data_dirs:
    mime_path = path.join(dirname, mime_filename)
    if not path.exists(mime_path):
        continue
    mime_file = IniFile.IniFile(filename=mime_path)
    for section in mime_file.content.values():
        if section.has_key('x-usb-device/ebook'):
            launcher = section['x-usb-device/ebook']
            launchers.append(launcher)

for dirname in BaseDirectory.xdg_data_dirs:
    for launcher in launchers:
        launcher_path = path.join(dirname, 'applications', launcher)
        if path.exists(launcher_path):
           launchers[launchers.index(launcher)] = launcher_path

for launcher in launchers:
    if path.exists(launcher):
        launcher_entry = DesktopEntry.DesktopEntry(filename=launcher)
        print "Exec= " + launcher_entry.getExec()