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21 lines
494 B
21 lines
494 B
class View(object): |
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"""docstring for View.""" |
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__instance = None |
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def __init__(self): |
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super(View, self).__init__() |
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if View.__instance !=None: |
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raise Exception('not a thing') |
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else: |
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View.__instance = self |
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@staticmethod |
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def updated(ls): |
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print(f'added {list(*ls)}') |
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@staticmethod |
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def deleted(ls): |
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print(f'deleted {list(ls)}') |
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@staticmethod |
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def displayed(ls): |
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print(f'contents {list(ls)}')
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