A protoype of a update script for the hardware mimetypes

update-hwmime.py

#!/usr/bin/env python

from xdg import BaseDirectory
from xdg.IniFile import IniFile
from os import path
from glob import glob

desktop_files = []

for dirname in BaseDirectory.xdg_data_dirs:
    desktops_path = path.join(dirname, 'applications/*.desktop')
    desktop_files += glob(desktops_path)

mimes = {}
for desktop in desktop_files:
    desktop_ini = IniFile(filename=desktop)
    desktop_entry = desktop_ini.content.get('Desktop Entry')
    if not desktop_entry.has_key('X-HwType'):
        continue
    desktop_mimes = desktop_entry.get('X-HwType')
    if desktop_mimes.endswith(';'):
        desktop_mimes = desktop_mimes.strip(';')
    desktop_mimes = desktop_mimes.split(';')
    desktop_file = path.basename(desktop)
    for mime in desktop_mimes:
        if mimes.has_key(mime):
            mimes[mime] = mimes[mime] + desktop_file + ';'
        else:
            mimes[mime] = desktop_file + ';'

mimeapps = BaseDirectory.xdg_data_dirs[0]
for mime in mimes:
    mimeapps.content['Default Applications'][mime] = mimes[mime]

mimeapps.write()