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#!/usr/bin/env python3
# Generate hwdb file from music player identification (.mpi) files
#
# (C) 2009 Canonical Ltd.
# (C) 2013 Tom Gundersen <teg@jklm.no>
# Author: Tom Gundersen <teg@jklm.no>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
import sys, configparser, os.path, os
def parse_mpi(mpi):
'''Print hwdb file for given ConfigParser object.'''
cp = configparser.RawConfigParser()
assert cp.read(mpi, encoding='UTF-8')
# if we have more info than just idVendor+idProduct we need to use an udev rule,
# so don't write an hwdb entry
for name in ['usbvendor', 'usbproduct', 'usbmodel', 'usbmanufacturer']:
try:
cp.get('Device', name)
return
except configparser.NoOptionError:
continue
block = ''
try:
m = cp.get('Device', 'product')
block += '# ' + m + '\n'
except configparser.NoOptionError:
pass
try:
usbids = {}
for usbid in cp.get('Device', 'devicematch').split(';'):
if len(usbid.split(':')) != 3:
continue
(subsystem, vid, pid) = usbid.split(':')
if subsystem != "usb":
continue
if vid in usbids:
usbids[vid].append(pid)
else:
usbids[vid] = [ pid ]
for vid, pids in usbids.items():
for pid in pids:
block += 'usb:v%sp%s*\n' % (vid.upper(), pid.upper())
block += ' ID_MEDIA_PLAYER=%s\n' % os.path.splitext(os.path.basename(mpi))[0]
# do we have an icon?
try:
icon = cp.get('Device', 'icon')
# breaks media player detection : https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/657609
#print ' UDISKS_PRESENTATION_ICON_NAME=%s\n' % icon,
except configparser.NoOptionError:
pass
# empty line between blocks
block += '\n'
# write bytes so that we are independent of the locale
os.write(sys.stdout.fileno(), block.encode('UTF-8'))
except configparser.NoOptionError:
pass
#
# main
#
# parse MPI files
for f in sys.argv[1:]:
parse_mpi(f)
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