@staticmethod
def getInstance():
""" Static access method. """
- if Connection.__instance == None:
+ if Connection.__instance is None:
Connection()
return Connection.__instance
def __init__(self):
""" Virtually private constructor. """
- if Connection.__instance != None:
+ if Connection.__instance is not None:
raise Exception("This class is a singleton!")
- else:
- from binhoHostAdapter import binhoHostAdapter
- from binhoHostAdapter import binhoUtilities
- utilities = binhoUtilities.binhoUtilities()
- devices = utilities.listAvailableDevices()
+ from binhoHostAdapter import binhoHostAdapter
+ from binhoHostAdapter import binhoUtilities
+
+ utilities = binhoUtilities.binhoUtilities()
+ devices = utilities.listAvailableDevices()
- if len(devices) > 0:
- Connection.__instance = binhoHostAdapter.binhoHostAdapter(devices[0])
- else:
- raise RuntimeError('No Binho Nova found!')
+ if len(devices) > 0:
+ Connection.__instance = binhoHostAdapter.binhoHostAdapter(devices[0])
+ else:
+ raise RuntimeError('No Binho Nova found!')