def load_data(self, filename):
"""
Loads the pairing data of the controller from a file.
:param filename: the file name of the pairing data
:raises ConfigLoadingError: if the config could not be loaded. The reason is given in the message.
:raises TransportNotSupportedError: if the dependencies for the selected transport are not installed
"""
try:
with open(filename, 'r') as input_fp:
data = json.load(input_fp)
for pairing_id in data:
if 'Connection' not in data[pairing_id]:
# This is a pre BLE entry in the file with the pairing data, hence it is for an IP based
# accessory. So we set the connection type (in case save data is used everything will be fine)
# and also issue a warning
data[pairing_id]['Connection'] = 'IP'
self.logger.warning(
'Loaded pairing for %s with missing connection type. Assume this is IP based.',
pairing_id)
if data[pairing_id]['Connection'] == 'IP':
if not IP_TRANSPORT_SUPPORTED:
raise TransportNotSupportedError('IP')
self.pairings[pairing_id] = IpPairing(data[pairing_id])
elif data[pairing_id]['Connection'] == 'BLE':
if not BLE_TRANSPORT_SUPPORTED:
raise TransportNotSupportedError('BLE')
self.pairings[pairing_id] = BlePairing(
data[pairing_id], self.ble_adapter)
elif data[pairing_id][
'Connection'] == 'ADDITIONAL_PAIRING':
self.pairings[pairing_id] = AdditionalPairing(
data[pairing_id])
else:
# ignore anything else, issue warning
self.logger.warning(
'could not load pairing %s of type "%s"',
pairing_id, data[pairing_id]['Connection'])
except PermissionError:
raise ConfigLoadingError(
'Could not open "{f}" due to missing permissions'.format(
f=filename))
except JSONDecodeError:
raise ConfigLoadingError(
'Cannot parse "{f}" as JSON file'.format(f=filename))
except FileNotFoundError:
raise ConfigLoadingError(
'Could not open "{f}" because it does not exist'.format(
f=filename))
def load_data(self, filename):
"""
Loads the pairing data of the controller from a file.
:param filename: the file name of the pairing data
:raises ConfigLoadingError: if the config could not be loaded. The reason is given in the message.
"""
try:
with open(filename, 'r') as input_fp:
data = json.load(input_fp)
for pairing_id in data:
self.pairings[pairing_id] = Pairing(data[pairing_id])
except PermissionError as e:
raise ConfigLoadingError('Could not open "{f}" due to missing permissions'.format(f=filename))
except JSONDecodeError as e:
raise ConfigLoadingError('Cannot parse "{f}" as JSON file'.format(f=filename))
except FileNotFoundError as e:
raise ConfigLoadingError('Could not open "{f}" because it does not exist'.format(f=filename))