def ibeacon_set_scanner_settings(**kwargs):
kwargs = lowercase_dict_keys(kwargs)
current_settings = read_local_cache_file(filepath=FILEPATH_SCANNER_SETTINGS)
if 'uuid_filter' in kwargs and isinstance(kwargs['uuid_filter'], str):
current_settings["uuid_filter"] = kwargs["uuid_filter"]
debug(f"IBeaconScanner 'uuid_filter' update to: {current_settings['uuid_filter']}")
if 'scan_tick' in kwargs and isinstance(kwargs['scan_tick'], int):
if kwargs["scan_tick"] < MIN_SCAN_TICK:
current_settings["scan_tick"] = MIN_SCAN_TICK
elif kwargs["scan_tick"] > MAX_SCAN_TICK:
current_settings["scan_tick"] = MAX_SCAN_TICK
else:
current_settings["scan_tick"] = kwargs["scan_tick"]
debug(f"IBeaconScanner 'scan_tick' update to: {current_settings['scan_tick']}")
if 'fake_scan' in kwargs and isinstance(kwargs['fake_scan'], bool):
current_settings["fake_scan"] = kwargs['fake_scan']
debug(f"IBeaconScanner 'fake_scan' update to: {current_settings['fake_scan']}")
if 'run_flag' in kwargs and isinstance(kwargs['run_flag'], bool):
current_settings["run_flag"] = kwargs['run_flag']
debug(f"IBeaconScanner 'run_flag' update to: {current_settings['run_flag']}")
if current_settings != read_local_cache_file(filepath=FILEPATH_SCANNER_SETTINGS):
config_write(**current_settings)
write_local_cache_file(filepath=FILEPATH_SCANNER_SETTINGS, data_dict=current_settings)
info("Updated new scanner settings")
def _run_scanner_loop():
while 1:
scanner_settings = read_local_cache_file(filepath=FILEPATH_SCANNER_SETTINGS)
if scanner_settings['run_flag']:
# performs ibeacon scanning
if scanner_settings['fake_scan']:
current_beacons_list = _scan_beacons_fake(**scanner_settings)
else:
current_beacons_list = _scan_beacons(**scanner_settings)
# accomodate data for this new cycle
current_beacons_list = sorted(current_beacons_list)
last_beacons_list = sorted(_get_last_beacon_list())
beacons_data_dict = _render_beacons_data(current_beacons_list)
# compare new beacons list against last list and performs actions
if _is_nearest_beacon_changes(last_beacons_list, current_beacons_list):
debug("Nearest beacon has changed")
nearest_beacon_data = beacons_data_dict["nearest_beacon"]
publish_event(IBeaconChange(nearest_beacon_data))
# updates global system beacon data
if current_beacons_list and current_beacons_list != last_beacons_list:
publish_event(IBeaconRead(beacons_data_dict))
write_local_cache_file(filepath=FILEPATH_BEACONS_DATA, data_dict=beacons_data_dict)
def _get_last_beacon_list():
""" Obtains the last list reading it from cache file or any other method. """
last_beacons_data = read_local_cache_file(filepath=FILEPATH_BEACONS_DATA)
last_beacons_list = last_beacons_data["beacons_list"]
return [IBeacon(**beacon_data) for beacon_data in last_beacons_list] \
if last_beacons_list else []
def ibeacon_get_scanner_settings():
return read_local_cache_file(filepath=FILEPATH_SCANNER_SETTINGS)
def ibeacon_get_beacons_data():
return read_local_cache_file(filepath=FILEPATH_BEACONS_DATA)