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# vim: set fileencoding=utf-8 :
#
# (C) 2010 Guido Guenther <agx@sigxcpu.org>
# 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 3 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, see <http://www.gnu.org/licenses/>.
from gi.repository import GObject
from gi.repository import GLib
from gi.repository import Gio
import re
class ModemError(Exception):
def __init__(self, msg):
self.msg = msg
def is_forbidden(self):
return [False, True][self.msg.find("Operation not allowed") != -1]
def is_disabled(self):
return [False, True][self.msg.find("not enabled") != -1]
class ModemManagerProxy(GObject.GObject):
"""Interface to ModemManager DBus API
@ivar request: current pending request to ModemManager
@type request: string
@ivar modem: dbus path of modem we're currently acting on
@type modem: string
"""
MM_DBUS_SERVICE='org.freedesktop.ModemManager'
MM_DBUS_INTERFACE_MODEM_MANAGER='org.freedesktop.ModemManager'
MM_DBUS_OBJECT_MODEM_MANAGER='/org/freedesktop/ModemManager'
MM_DBUS_INTERFACE_MODEM='org.freedesktop.ModemManager.Modem'
MM_DBUS_INTERFACE_MODEM_GSM_CARD='org.freedesktop.ModemManager.Modem.Gsm.Card'
MM_DBUS_INTERFACE_MODEM_GSM_USSD='org.freedesktop.ModemManager.Modem.Gsm.Ussd'
MM_DBUS_TIMEOUT = 5000
MM_DBUS_FLAGS = (Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES |
Gio.DBusProxyFlags.DO_NOT_CONNECT_SIGNALS)
# IMSIs are 14 or 15 digits
IMSI_RE = r'\d{14,15}'
__gsignals__ = {
# Emitted when a request to MM starts
'request-started': (GObject.SignalFlags.RUN_FIRST, None,
[object]),
# Emitted when a request has finished
'request-finished': (GObject.SignalFlags.RUN_FIRST, None,
[object]),
}
def __init__(self):
GObject.GObject.__init__(self)
self.bus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
self.request = None
self.reply_func = None
self.error_func = None
self.modem = None
self.obj = None
def set_modem(self, modem):
self.modem = modem
def mm_request(func):
def wrapped_f( self, *args, **kw):
self.request = "%s" % func.func_name
if kw.has_key('reply_func'):
self.reply_func = kw['reply_func']
if kw.has_key('error_func'):
self.error_func = kw['error_func']
self.emit('request-started', self)
func(self, *args, **kw)
wrapped_f.__name__= func.__name__
wrapped_f.__doc__= func.__doc__
return wrapped_f
def mm_request_done(func):
def wrapped_f( self, *args, **kw):
self.emit('request-finished', self)
ret = func(self, *args, **kw)
self.reply_func = None
self.error_func = None
self.request = None
return ret
wrapped_f.__name__= func.__name__
wrapped_f.__doc__= func.__doc__
return wrapped_f
def request_pending(self):
if self.request:
return True
else:
return False
@mm_request_done
def handle_dbus_reply(self, obj, result, user_data):
try:
res = obj.call_finish(result)
if self.reply_func:
self.reply_func(res, user_data)
except Exception as err:
if self.error_func:
me = ModemError("%s failed: %s" % (self.request, err))
self.error_func(me)
def get_modems(self):
modems = []
mm = Gio.DBusProxy.new_sync(self.bus,
self.MM_DBUS_FLAGS,
None,
self.MM_DBUS_SERVICE,
self.MM_DBUS_OBJECT_MODEM_MANAGER,
self.MM_DBUS_INTERFACE_MODEM_MANAGER,
None)
ret = mm.EnumerateDevices()
for modem in ret:
modems.append(modem)
return modems
def get_imsi(self):
card = Gio.DBusProxy.new_sync(self.bus,
self.MM_DBUS_FLAGS,
None,
self.MM_DBUS_SERVICE,
self.modem,
self.MM_DBUS_INTERFACE_MODEM_GSM_CARD,
None)
try:
imsi = card.GetImsi()
except Exception as msg:
raise ModemError("Getting IMSI failed: %s" % msg)
if not re.match(self.IMSI_RE, imsi):
raise ModemError("%s is not a valid imsi" % imsi)
return imsi
def get_network_id(self):
imsi = self.get_imsi()
mcc = imsi[0:3]
mnc = imsi[3:5]
return (mcc, mnc)
@mm_request
def ussd_initiate(self, command, reply_func=None, error_func=None):
ussd = Gio.DBusProxy.new_sync(self.bus,
self.MM_DBUS_FLAGS,
None,
self.MM_DBUS_SERVICE,
self.modem,
self.MM_DBUS_INTERFACE_MODEM_GSM_USSD,
None)
ussd.call("Initiate", GLib.Variant('(s)', (command,)),
Gio.DBusCallFlags.NO_AUTO_START, self.MM_DBUS_TIMEOUT, None,
self.handle_dbus_reply, None)
@mm_request
def _modem__enable(self, enable, reply_func=None, error_func=None):
ussd = Gio.DBusProxy.new_sync(self.bus,
self.MM_DBUS_FLAGS,
None,
self.MM_DBUS_SERVICE,
self.modem,
self.MM_DBUS_INTERFACE_MODEM,
None)
ussd.call("Enable", GLib.Variant('(b)', (enable,)),
Gio.DBusCallFlags.NO_AUTO_START, self.MM_DBUS_TIMEOUT, None,
self.handle_dbus_reply, None)
def modem_enable(self, reply_func=None, error_func=None):
self._modem__enable(True,
reply_func=reply_func,
error_func=error_func)
def modem_disable(self, reply_func=None, error_func=None):
self._modem_enable(False,
reply_func=reply_func,
error_func=error_func)
GObject.type_register(ModemManagerProxy)
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