bumblebee-status/modules/contrib/bluetooth2.py
2020-04-29 20:23:10 +02:00

97 lines
3.1 KiB
Python

"""Displays bluetooth status. Left mouse click launches manager app,
right click toggles bluetooth. Needs dbus-send to toggle bluetooth state and
python-dbus to count the number of connections
Parameters:
* bluetooth.manager : application to launch on click (blueman-manager)
"""
import os
import re
import subprocess
import dbus
import dbus.mainloop.glib
import logging
import core.module
import core.widget
import core.input
import util.cli
class Module(core.module.Module):
def __init__(self, config, theme):
super().__init__(config, theme, core.widget.Widget(self.status))
self.manager = self.parameter('manager', 'blueman-manager')
self._status = 'Off'
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
self._bus = dbus.SystemBus()
core.input.register(self, button=core.input.LEFT_MOUSE,
cmd=self.manager)
core.input.register(self, button=core.input.RIGHT_MOUSE,
cmd=self._toggle)
def status(self, widget):
"""Get status."""
return self._status
def update(self):
"""Update current state."""
state = len(subprocess.run(['bluetoothctl', 'list'], stdout=subprocess.PIPE).stdout)
if state > 0:
connected_devices = self.get_connected_devices()
self._status = 'On - {}'.format(connected_devices)
else:
self._status = 'Off'
adapters_cmd = 'rfkill list | grep Bluetooth'
if not len(subprocess.run(adapters_cmd, shell=True, stdout=subprocess.PIPE).stdout):
self._status = 'No Adapter Found'
return
def _toggle(self, widget=None):
"""Toggle bluetooth state."""
if 'On' in self._status:
state = 'false'
else:
state = 'true'
cmd = 'dbus-send --system --print-reply --dest=org.blueman.Mechanism /org/blueman/mechanism org.blueman.Mechanism.SetRfkillState boolean:%s' % state
logging.debug('bt: toggling bluetooth')
core.util.execute(cmd)
def state(self, widget):
"""Get current state."""
state = []
if self._status == 'No Adapter Found':
state.append('critical')
elif self._status == 'On - 0':
state.append('warning')
elif 'On' in self._status and not(self._status == 'On - 0'):
state.append('ON')
else:
state.append('critical')
return state
def get_connected_devices(self):
devices = 0
objects = dbus.Interface(
self._bus.get_object('org.bluez', '/'),
'org.freedesktop.DBus.ObjectManager'
).GetManagedObjects()
for path, interfaces in objects.items():
if 'org.bluez.Device1' in interfaces:
if dbus.Interface(
self._bus.get_object('org.bluez', path),
'org.freedesktop.DBus.Properties'
).Get(
'org.bluez.Device1', 'Connected'
):
devices += 1
return devices
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