#!/usr/bin/env python# -*- coding: utf-8 -*-# HalManager.py#  #  Author: Laudeci Oliveira <laudeci@gmail.com>#          Rafael Proen脙摟a   <cypherbios@ubuntu.com># #  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#python packagesimport dbus#constantes(FSTYPE,FSUSAGE,CATEGORY,PARENT,PRODUCT,NUM_BLOCKS,SYSFS_PATH_DEVICE,METHOD_NAMES,MINOR,IS_MOUNTED,MODEL,MOUNT_OPTION_UTF8,SYSFS_PATH,MOUNT_POINT,HAS_DATA,HOTPLUG_TYPE,DESIRED_MOUNT_POINT,SIZE,STORAGE_DEVICE,IGNORE,IS_VIDEODVD,VALID_OPTIONS,CAPACITY,INTERFACES,IS_DISC,IS_BLANK,UNMOUNT_VALID_OPTIONS,IS_SVCD,DEVICE,UDI,IS_VOLUME,CAPABILITIES,IS_MOUNTED_READ_ONLY,FSVERSION,IS_PARTITION,HAS_AUDIO,IS_APPENDABLE,METHOD_EXECPATHS,IS_REWRITABLE,MAJOR,UUID,TYPE,METHOD_SIGNATURES,LABEL,BLOCK_SIZE,IS_VCD) = range(46)device_properties = ['volume.fstype','volume.fsusage','info.category','info.parent','info.product','volume.num_blocks','linux.sysfs_path_device','org.freedesktop.Hal.Device.Volume.method_names','block.minor','volume.is_mounted','storage.model','volume.policy.mount_option.utf8','linux.sysfs_path','volume.mount_point','volume.disc.has_data','linux.hotplug_type','volume.policy.desired_mount_point','volume.size','block.storage_device','volume.ignore','volume.disc.is_videodvd','volume.mount.valid_options','volume.disc.capacity','info.interfaces','volume.is_disc','volume.disc.is_blank','volume.unmount.valid_options','volume.disc.is_svcd','block.device','info.udi','block.is_volume','info.capabilities','volume.is_mounted_read_only','volume.fsversion','volume.is_partition','volume.disc.has_audio','volume.disc.is_appendable','org.freedesktop.Hal.Device.Volume.method_execpaths','volume.disc.is_rewritable','block.major','volume.uuid','volume.disc.type','org.freedesktop.Hal.Device.Volume.method_signatures','volume.label','volume.block_size','volume.disc.is_vcd']class HalManager:    def __init__(self):        self.bus = dbus.SystemBus()        self.manager_obj = self.bus.get_object('org.freedesktop.Hal', '/org/freedesktop/Hal/Manager')        self.manager = dbus.Interface(self.manager_obj, 'org.freedesktop.Hal.Manager')        self.__initalize_lists()        self.__get_devices()            def __initalize_lists(self):        self.cdDevices = {}        self.props = []            def __get_devices(self):        # Initialize devices list        self.__initalize_lists()        #check for devices :)        self.cd_udi_list = self.manager.FindDeviceByCapability('storage.cdrom')        #get devices and propeties list        for udi in self.cd_udi_list:            vol_udi_list = self.manager.FindDeviceStringMatch ('info.parent', udi)            for vol_udi in vol_udi_list:                vol_obj = self.bus.get_object ('org.freedesktop.Hal', vol_udi)                vol = dbus.Interface (vol_obj, 'org.freedesktop.Hal.Device')                  self.cdDevices[vol.GetProperty('block.device')] = vol                for prop in vol.GetAllProperties():                    self.props.append(prop)        self.__device_count = len(self.cdDevices)        self.__initialized = True              def get_device_count(self):        return self.__device_count        def get_first_mounted_name (self):        self.__get_devices()        retName = ""        for name, drive in self.cdDevices.iteritems():            try:                if drive.GetProperty('volume.is_mounted'):                    retName = name                    break            except:                pass        return retName        def is_empty(self, mountName = ""):        self.__get_devices()        if mountName != "":            try:                return self.cdDevices[mountName].GetPropety('volume.disc.has_data:')            except:                return False        else:            return True    def get_first_mounted_point(self):        self.__get_devices()        retPointName = ""        for name, drive in self.cdDevices.iteritems():            if drive.GetProperty('volume.is_mounted'):                retPointName = drive.GetProperty('volume.mount_point')                break        return retPointName.encode('utf8')        def get_property(self,devicename ="", property_index = LABEL):        if devicename !="":            self.__get_devices()            try:                return self.cdDevices[devicename].GetProperty(device_properties[property_index])            except:                return "erro:", devicename, property_index        else:            return ""