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23 lines
801 B
Python
23 lines
801 B
Python
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class CommunicationDictionary(dict):
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'''This class is used to provide communication between classes using
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key-value interface'''
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def __init__(self, convert_table):
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'''Convert table stores functions used to get value of unable key if
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it's possible'''
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super(CommunicationDictionary, self).__init__()
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self.convert_table = convert_table
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def __getitem__(self, key):
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item = None
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try:
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item = dict.__getitem__(self,key)
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except KeyError:
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key_to_convert, convert_function = self.convert_table.get_converter(
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self.keys(),
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key
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)
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if key_to_convert is not None:
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item = convert_function(dict.__getitem__(self,key_to_convert))
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return item
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