489 lines
15 KiB
Python
Executable File
489 lines
15 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
from gi.repository import GObject, Gio, GLib
|
|
import sys
|
|
import argparse
|
|
import os
|
|
import json
|
|
import logging
|
|
import select
|
|
import time
|
|
|
|
logging.basicConfig(format='%(levelname)s: %(message)s',
|
|
level=logging.INFO)
|
|
logger = logging.getLogger('tuhi-kete')
|
|
|
|
TUHI_DBUS_NAME = 'org.freedesktop.tuhi1'
|
|
ORG_FREEDESKTOP_TUHI1_MANAGER = 'org.freedesktop.tuhi1.Manager'
|
|
ORG_FREEDESKTOP_TUHI1_DEVICE = 'org.freedesktop.tuhi1.Device'
|
|
ROOT_PATH = '/org/freedesktop/tuhi1'
|
|
|
|
|
|
class DBusError(Exception):
|
|
def __init__(self, message):
|
|
self.message = message
|
|
|
|
|
|
class _DBusObject(GObject.Object):
|
|
_connection = None
|
|
|
|
def __init__(self, name, interface, objpath):
|
|
GObject.GObject.__init__(self)
|
|
|
|
if _DBusObject._connection is None:
|
|
self._connect_to_session()
|
|
|
|
self.interface = interface
|
|
self.objpath = objpath
|
|
|
|
try:
|
|
self.proxy = Gio.DBusProxy.new_sync(_DBusObject._connection,
|
|
Gio.DBusProxyFlags.NONE, None,
|
|
name, objpath, interface, None)
|
|
except GLib.Error as e:
|
|
if (e.domain == 'g-io-error-quark' and
|
|
e.code == Gio.IOErrorEnum.DBUS_ERROR):
|
|
raise DBusError(e.message)
|
|
else:
|
|
raise e
|
|
|
|
if self.proxy.get_name_owner() is None:
|
|
raise DBusError('No-one is handling {}, is the daemon running?'.format(name))
|
|
|
|
self.proxy.connect('g-properties-changed', self._on_properties_changed)
|
|
self.proxy.connect('g-signal', self._on_signal_received)
|
|
|
|
def _connect_to_session(self):
|
|
try:
|
|
_DBusObject._connection = Gio.bus_get_sync(Gio.BusType.SESSION, None)
|
|
except GLib.Error as e:
|
|
if (e.domain == 'g-io-error-quark' and
|
|
e.code == Gio.IOErrorEnum.DBUS_ERROR):
|
|
raise DBusError(e.message)
|
|
else:
|
|
raise e
|
|
|
|
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
|
|
# Implement this in derived classes to respond to property changes
|
|
pass
|
|
|
|
def _on_signal_received(self, proxy, sender, signal, parameters):
|
|
# Implement this in derived classes to respond to signals
|
|
pass
|
|
|
|
def property(self, name):
|
|
p = self.proxy.get_cached_property(name)
|
|
if p is not None:
|
|
return p.unpack()
|
|
return p
|
|
|
|
|
|
class TuhiKeteDevice(_DBusObject):
|
|
def __init__(self, manager, objpath):
|
|
_DBusObject.__init__(self, TUHI_DBUS_NAME,
|
|
ORG_FREEDESKTOP_TUHI1_DEVICE,
|
|
objpath)
|
|
self.manager = manager
|
|
self.is_pairing = False
|
|
|
|
@GObject.Property
|
|
def address(self):
|
|
return self.property('Address')
|
|
|
|
@GObject.Property
|
|
def name(self):
|
|
return self.property('Name')
|
|
|
|
@GObject.Property
|
|
def listening(self):
|
|
return self.property('Listening')
|
|
|
|
@GObject.Property
|
|
def drawings_available(self):
|
|
return self.property('DrawingsAvailable')
|
|
|
|
def pair(self):
|
|
logger.debug('{}: Pairing'.format(self))
|
|
# FIXME: Pair() doesn't return anything useful yet, so we wait until
|
|
# the device is in the Manager's Devices property
|
|
self.manager.connect('notify::devices', self._on_mgr_devices_updated)
|
|
self.is_pairing = True
|
|
self.proxy.Pair()
|
|
|
|
def start_listening(self):
|
|
self.proxy.StartListening()
|
|
|
|
def stop_listening(self):
|
|
self.proxy.StopListening()
|
|
|
|
def json(self, index):
|
|
return self.proxy.GetJSONData('(u)', index)
|
|
|
|
def _on_signal_received(self, proxy, sender, signal, parameters):
|
|
if signal == 'ButtonPressRequired':
|
|
print("{}: Press button on device now".format(self))
|
|
elif signal == 'ListeningStopped':
|
|
err = parameters[0]
|
|
if err < 0:
|
|
print("{}: an error occured: {}".format(self, os.strerror(err)))
|
|
self.notify('listening')
|
|
|
|
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
|
|
if changed_props is None:
|
|
return
|
|
|
|
changed_props = changed_props.unpack()
|
|
|
|
if 'DrawingsAvailable' in changed_props:
|
|
self.notify('drawings-available')
|
|
|
|
def __repr__(self):
|
|
return '{} - {}'.format(self.address, self.name)
|
|
|
|
def _on_mgr_devices_updated(self, manager, pspec):
|
|
if not self.is_pairing:
|
|
return
|
|
|
|
for d in manager.devices:
|
|
if d.address == self.address:
|
|
self.is_pairing = False
|
|
print('{}: Pairing successful'.format(self))
|
|
self.manager.quit()
|
|
|
|
|
|
class TuhiKeteManager(_DBusObject):
|
|
__gsignals__ = {
|
|
"pairable-device":
|
|
(GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
|
|
}
|
|
|
|
def __init__(self):
|
|
_DBusObject.__init__(self, TUHI_DBUS_NAME,
|
|
ORG_FREEDESKTOP_TUHI1_MANAGER,
|
|
ROOT_PATH)
|
|
|
|
Gio.bus_watch_name(Gio.BusType.SESSION,
|
|
TUHI_DBUS_NAME,
|
|
Gio.BusNameWatcherFlags.NONE,
|
|
None,
|
|
self._on_name_vanished)
|
|
|
|
self.mainloop = GObject.MainLoop()
|
|
self._devices = {}
|
|
self._pairable_devices = {}
|
|
for objpath in self.property('Devices'):
|
|
device = TuhiKeteDevice(self, objpath)
|
|
self._devices[device.address] = device
|
|
|
|
@GObject.Property
|
|
def devices(self):
|
|
return [v for k, v in self._devices.items()]
|
|
|
|
@GObject.Property
|
|
def searching(self):
|
|
return self.proxy.get_cached_property('Searching')
|
|
|
|
def start_search(self):
|
|
self._pairable_devices = {}
|
|
self.proxy.StartSearch()
|
|
|
|
def stop_search(self):
|
|
self.proxy.StopSearch()
|
|
self._pairable_devices = {}
|
|
|
|
def run(self):
|
|
try:
|
|
self.mainloop.run()
|
|
except KeyboardInterrupt:
|
|
print('\r', end='') # to remove the ^C
|
|
self.mainloop.quit()
|
|
|
|
def quit(self):
|
|
self.mainloop.quit()
|
|
|
|
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
|
|
if changed_props is None:
|
|
return
|
|
|
|
changed_props = changed_props.unpack()
|
|
|
|
if 'Devices' in changed_props:
|
|
objpaths = changed_props['Devices']
|
|
for objpath in objpaths:
|
|
try:
|
|
d = self._pairable_devices[objpath]
|
|
self._devices[d.address] = d
|
|
del self._pairable_devices[objpath]
|
|
except KeyError:
|
|
# if we called Pair() on an existing device it's not in
|
|
# pairable devices
|
|
pass
|
|
self.notify('devices')
|
|
|
|
def _on_signal_received(self, proxy, sender, signal, parameters):
|
|
if signal == 'SearchStopped':
|
|
self.notify('searching')
|
|
elif signal == 'PairableDevice':
|
|
objpath = parameters[0]
|
|
device = TuhiKeteDevice(self, objpath)
|
|
self._pairable_devices[objpath] = device
|
|
logger.debug('Found pairable device: {}'.format(device))
|
|
self.emit('pairable-device', device)
|
|
|
|
def _on_name_vanished(self, connection, name):
|
|
logger.error('Tuhi daemon went away')
|
|
self.mainloop.quit()
|
|
|
|
def __getitem__(self, btaddr):
|
|
return self._devices[btaddr]
|
|
|
|
def __enter__(self):
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb):
|
|
pass
|
|
|
|
|
|
class Searcher(GObject.Object):
|
|
def __init__(self, manager, address=None):
|
|
GObject.GObject.__init__(self)
|
|
self.manager = manager
|
|
self.address = address
|
|
self.is_pairing = False
|
|
|
|
def run(self):
|
|
if self.manager.searching:
|
|
logger.error('Another client is already searching')
|
|
return
|
|
|
|
self.manager.connect('notify::searching', self._on_notify_search)
|
|
self.manager.connect('pairable-device', self._on_pairable_device)
|
|
self.manager.start_search()
|
|
logger.debug('Started searching')
|
|
|
|
for d in self.manager.devices:
|
|
self._on_pairable_device(self.manager, d)
|
|
|
|
self.manager.run()
|
|
|
|
if self.manager.searching:
|
|
logger.debug('Stopping search')
|
|
self.manager.stop_search()
|
|
|
|
def _on_notify_search(self, manager, pspec):
|
|
if not manager.searching:
|
|
logger.info('Search cancelled')
|
|
if not self.is_pairing:
|
|
self.manager.quit()
|
|
|
|
def _on_pairable_device(self, manager, device):
|
|
print('Pairable device: {}'.format(device))
|
|
|
|
if self.address is None:
|
|
print('Connect to device? [y/N] ', end='')
|
|
sys.stdout.flush()
|
|
i, o, e = select.select([sys.stdin], [], [], 5)
|
|
if i:
|
|
answer = sys.stdin.readline().strip()
|
|
if answer.lower() == 'y':
|
|
self.address = device.address
|
|
else:
|
|
print('timed out')
|
|
|
|
if device.address == self.address:
|
|
self.is_pairing = True
|
|
device.pair()
|
|
|
|
|
|
class Listener(GObject.Object):
|
|
def __init__(self, manager, address):
|
|
GObject.GObject.__init__(self)
|
|
self.mainloop = GObject.MainLoop()
|
|
|
|
self.manager = manager
|
|
self.device = None
|
|
for d in manager.devices:
|
|
if d.address == address:
|
|
self.device = d
|
|
break
|
|
else:
|
|
logger.error("{}: device not found".format(address))
|
|
return
|
|
|
|
def run(self):
|
|
if self.device is None:
|
|
return
|
|
|
|
if self.device.drawings_available > 0:
|
|
logger.info('{}: drawings available: {}'.format(self.device, self.device.drawings_available))
|
|
|
|
if self.device.listening:
|
|
logger.info("{}: device already listening".format(self.device))
|
|
return
|
|
|
|
logger.debug("{}: starting listening".format(self.device))
|
|
self.device.connect('notify::listening', self._on_device_listening)
|
|
self.device.connect('notify::drawings-available', self._on_drawings_available)
|
|
self.device.start_listening()
|
|
|
|
self.manager.run()
|
|
logger.debug("{}: stopping listening".format(self.device))
|
|
try:
|
|
self.device.stop_listening()
|
|
except GLib.Error as e:
|
|
if (e.domain != 'g-dbus-error-quark' or
|
|
e.code != Gio.IOErrorEnum.EXISTS or
|
|
Gio.dbus_error_get_remote_error(e) != 'org.freedesktop.DBus.Error.ServiceUnknown'):
|
|
raise e
|
|
|
|
def _on_device_listening(self, device, pspec):
|
|
logger.info('{}: Listening stopped, exiting'.format(device))
|
|
self.manager.quit()
|
|
|
|
def _on_drawings_available(self, device, pspec):
|
|
logger.info('{}: drawings available: {}'.format(device, device.drawings_available))
|
|
|
|
|
|
class Fetcher(GObject.Object):
|
|
def __init__(self, manager, address, index):
|
|
GObject.GObject.__init__(self)
|
|
self.mainloop = GObject.MainLoop()
|
|
self.manager = manager
|
|
self.device = None
|
|
self.indices = None
|
|
|
|
for d in manager.devices:
|
|
if d.address == address:
|
|
self.device = d
|
|
break
|
|
else:
|
|
logger.error("{}: device not found".format(address))
|
|
return
|
|
|
|
ndrawings = self.device.drawings_available
|
|
if index != 'all':
|
|
try:
|
|
self.indices = [int(index)]
|
|
if index >= ndrawings:
|
|
raise ValueError()
|
|
except ValueError:
|
|
logger.error("Invalid index {}".format(index))
|
|
return
|
|
else:
|
|
self.indices = list(range(ndrawings))
|
|
|
|
def run(self):
|
|
if self.device is None or self.indices is None:
|
|
return
|
|
|
|
for idx in self.indices:
|
|
jsondata = self.device.json(idx)
|
|
data = json.loads(jsondata)
|
|
timestamp = time.gmtime(int(data['timestamp']))
|
|
logger.info("{}: drawing made on {}, {} strokes".format(
|
|
data['devicename'],
|
|
time.strftime('%Y-%m-%d %H:%M', timestamp),
|
|
len(data['strokes'])))
|
|
|
|
|
|
def print_device(d):
|
|
print('{}: {}'.format(d.address, d.name))
|
|
|
|
|
|
def cmd_list(manager, args):
|
|
logger.debug('Listing available devices:')
|
|
for d in manager.devices:
|
|
print_device(d)
|
|
|
|
|
|
def cmd_pair(manager, args):
|
|
Searcher(manager, args.address).run()
|
|
|
|
|
|
def cmd_listen(manager, args):
|
|
Listener(manager, args.address).run()
|
|
|
|
|
|
def cmd_fetch(manager, args):
|
|
Fetcher(manager, args.address, args.index).run()
|
|
|
|
|
|
def parse_list(parser):
|
|
sub = parser.add_parser('list', help='list known devices')
|
|
sub.set_defaults(func=cmd_list)
|
|
|
|
|
|
def parse_pair(parser):
|
|
sub = parser.add_parser('pair', help='pair a new device')
|
|
sub.add_argument('address', metavar='12:34:56:AB:CD:EF', type=str,
|
|
nargs='?', default=None,
|
|
help='the address of the device to pair')
|
|
sub.set_defaults(func=cmd_pair)
|
|
|
|
|
|
def parse_listen(parser):
|
|
sub = parser.add_parser('listen', help='listen to events from a device')
|
|
sub.add_argument('address', metavar='12:34:56:AB:CD:EF', type=str,
|
|
default=None,
|
|
help='the address of the device to listen to')
|
|
sub.set_defaults(func=cmd_listen)
|
|
|
|
|
|
def parse_fetch(parser):
|
|
sub = parser.add_parser('fetch', help='download a drawing from a device')
|
|
sub.add_argument('address', metavar='12:34:56:AB:CD:EF', type=str,
|
|
default=None,
|
|
help='the address of the device to fetch from')
|
|
sub.add_argument('index', metavar='[<index>|all]', type=str,
|
|
default=None,
|
|
help='the index of the drawing to fetch or a literal "all"')
|
|
sub.set_defaults(func=cmd_fetch)
|
|
|
|
|
|
def parse(args):
|
|
desc = 'Commandline client to the Tuhi DBus daemon'
|
|
parser = argparse.ArgumentParser(description=desc)
|
|
parser.add_argument('-v', '--verbose',
|
|
help='Show some debugging informations',
|
|
action='store_true',
|
|
default=False)
|
|
|
|
subparser = parser.add_subparsers(help='Available commands')
|
|
parse_list(subparser)
|
|
parse_pair(subparser)
|
|
parse_listen(subparser)
|
|
parse_fetch(subparser)
|
|
|
|
return parser.parse_args(args[1:])
|
|
|
|
|
|
def main(args):
|
|
args = parse(args)
|
|
if args.verbose:
|
|
logger.setLevel(logging.DEBUG)
|
|
|
|
try:
|
|
with TuhiKeteManager() as mgr:
|
|
if not hasattr(args, 'func'):
|
|
args.func = cmd_list
|
|
|
|
args.func(mgr, args)
|
|
|
|
except DBusError as e:
|
|
logger.error(e.message)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main(sys.argv)
|