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''' |
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count_dict - This is a count the dictionary package. |
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Copyright (C) 2019-2020 sosei |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Affero General Public License as published |
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by the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Affero General Public License for more details. |
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You should have received a copy of the GNU Affero General Public License |
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along with this program. If not, see <https://www.gnu.org/licenses/>. |
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''' |
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from collections import defaultdict |
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__all__ = ['count_dict'] |
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class count_dict(defaultdict): |
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''' |
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count_dict() -> new empty count dictionary |
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count_dict(integer) -> new empty dictionary that sets the starting point of counting |
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>>> accumulated = count_dict() |
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>>> accumulated['x'] += 9 |
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>>> accumulated.items() |
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dict_items([('x', 9)]) |
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>>> accumulated = count_dict(10) |
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>>> accumulated['x'] += 9 |
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>>> accumulated.items() |
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dict_items([('x', 19)]) |
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>>> accumulated = defaultdict(count_dict) |
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>>> accumulated['x']['y'] += 9 |
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>>> {'x': dict(accumulated['x'])} |
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{'x': {'y': 9}} |
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>>> accumulated = defaultdict(count_dict(10)) |
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>>> accumulated['x']['y'] += 9 |
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>>> {'x': dict(accumulated['x'])} |
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{'x': {'y': 19}} |
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''' |
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version = '1.1.1' |
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def __set_initial_value(self): |
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return self.initial_value |
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def __init__(self, initial_value:int = 0): |
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if not isinstance(initial_value, (int, float)): |
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raise TypeError(f"must be 'int' or 'float', not '{initial_value.__class__.__name__}'") |
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self.initial_value = initial_value |
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self.default_factory = self.__set_initial_value |
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def __call__(self): |
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return count_dict(self.initial_value) |
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fsssosei /
count_dict
