def __contains__(self, value):
'''
Check if specific type is allowed
'''
return (value in self.channel_types or
BaseType.__contains__(self, value))
def __contains__(self, value):
'''
Look up for type among supported channels. Child chlasses should
overload this method to add new channels
'''
return (value in self.input_types or
BaseType.__contains__(self, value))
def __init__(self, input_type):
'''
Initialize with user defined input type
'''
BaseType.__init__(self, input_type, "input_type")
def __init__(self, channel_type):
'''
Initialize channel with specific type
'''
BaseType.__init__(self, channel_type, "channel_type")
