def adapter_added(om, adapter_path, ifaces, adapter_name, state_manager):
try:
adapter = bluez.Adapter(adapter_path.split('/')[-1])
if adapter.name == state_manager.adapter_name:
state_manager.init_adapter()
except bluez.BluezError as e:
state_manager.logger.error("Adapter added failed: %s", str(e))
def bt_connect(self):
dev_obj = None
try:
adapter_obj = bluez.Adapter(self.adapter)
devs = adapter_obj.devices()
for d in devs:
if d.name == self.device_addr.upper():
dev_obj = d
break
if not dev_obj:
adapter_obj.scan()
time.sleep(self.scan_duration)
adapter_obj.scan(enable=False)
devs = adapter_obj.devices()
for d in devs:
if d.name == self.device_addr.upper():
dev_obj = d
break
if dev_obj:
dev_obj.connect()
if dev_obj.connected:
return bluez.Gatt(dev_obj, self.gatt_db_description)
print("Failed:", file=sys.stderr)
else:
print("Failed to find device nearby", file=sys.stderr)
except bluez.BluezError as e:
print("Failed:", str(e), file=sys.stderr)
return None
def do_remove(self, arg):
"remove device"
# d = bluez.Device(name=self.cli_args.device, adapter=hci)
# d.remove()
if self.gatt and self.gatt.dev:
self.gatt.dev.remove()
else:
if self.device_addr:
hci = bluez.Adapter(self.adapter)
hci.remove_device(self.device_addr)
print("Done", file=sys.stderr)
def init_adapter(self):
self.adapter = bluez.Adapter(self.adapter_name)
self.adapter.onPropertiesChanged(adapter_changed, state_manager=self)
self.adapter.onDeviceAdded(device_discovered, self, init=True)
# queue function for execution in GLib mainloop
self.adapter.onDeviceRemoved(device_removed, self)
# queue function for execution in GLib mainloop
timeout_add_seconds(0, start_scanning, self)
# read a value every 10 seconds
timeout_add_seconds(10, read_timer_function, self)
def do_scan(self, arg):
"enable/disable scanning (on/off)"
pl = _parse_args_simple(arg)
if len(pl) == 0 or pl[0] == "on":
enable = True
elif pl[0] == "off":
enable = False
else:
print("Argument needs to be on/off")
return
try:
hci = bluez.Adapter(self.adapter)
scanning = hci.scan(enable=enable, filters=self.scan_filters)
print("Scanning:", scanning)
except bluez.BluezError:
print("Setting scanning failed", file=sys.stderr)
return None
def complete_connect(self, text, line, begidx, endidx):
if len(line) != endidx:
return None
pl = _parse_args_simple(line)
# (len(pl) == 2 and line[-1] != ' ') or
if len(pl) == 2 or (len(pl) == 1 and line.endswith(" ")):
try:
hci = bluez.Adapter(self.adapter)
devs = hci.devices()
except bluez.BluezError:
print("autocomplete failed", file=sys.stderr)
return None
return [
d.name for d in devs if d.name.lower().startswith(text.lower())
]
return None