Total Complexity | 2 |
Total Lines | 33 |
Duplicated Lines | 0 % |
Changes | 0 |
1 | from collections import defaultdict |
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2 | from typing import Optional, Callable, Dict |
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3 | |||
4 | from typish import get_args |
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5 | |||
6 | from jsons._load_impl import load |
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7 | |||
8 | |||
9 | def default_defaultdict_deserializer( |
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10 | obj: dict, |
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11 | cls: type, |
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12 | *, |
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13 | key_transformer: Optional[Callable[[str], str]] = None, |
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14 | **kwargs) -> dict: |
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15 | """ |
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16 | Deserialize a defaultdict. |
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17 | :param obj: the dict that needs deserializing. |
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18 | :param key_transformer: a function that transforms the keys to a different |
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19 | style (e.g. PascalCase). |
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20 | :param cls: not used. |
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21 | :param kwargs: any keyword arguments. |
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22 | :return: a deserialized defaultdict instance. |
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23 | """ |
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24 | args = get_args(cls) |
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25 | default_factory = None |
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26 | cls_ = Dict |
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27 | if args: |
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28 | key, value = get_args(cls) |
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29 | cls_ = Dict[key, value] |
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30 | default_factory = value |
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31 | loaded = load(obj, cls_, key_transformer=key_transformer, **kwargs) |
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32 | return defaultdict(default_factory, loaded) |
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33 |