87 lines
2.1 KiB
Python
87 lines
2.1 KiB
Python
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import os
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import json
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import dataclasses
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from typing import Dict
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class EnhancedJSONEncoder(json.JSONEncoder):
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def default(self, o):
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if dataclasses.is_dataclass(o):
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return dataclasses.asdict(o)
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return super().default(o)
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def FilterDataclass(data: dict, obj):
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""""""
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out: dict = dict()
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names = set([f.name for f in dataclasses.fields(obj)])
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for k, v in data.items():
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if k in names:
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out[k] = v
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return obj(**out)
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class State:
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def __init__(self, file_path: str, obj):
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self.state: dict = {}
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self.cache: object
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self.state_file = file_path
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self.obj = obj
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self.load()
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def load(self):
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if os.path.exists(self.state_file):
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with open(self.state_file, "r") as f:
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_s = json.load(f)
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if len(_s) == 0:
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return
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for k in _s:
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if dataclasses.is_dataclass(self.obj):
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self.state[k] = FilterDataclass(_s[k], obj=self.obj)
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def save(self):
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with open(self.state_file, "w") as f:
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json.dump(self.state, f, cls=EnhancedJSONEncoder)
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def get(self, key: str) -> Dict:
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return self.state.get(key) # type: ignore
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def set(self, key: str, value):
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self.state[key] = value
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def items(self):
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return self.state.items()
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def keys(self):
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return self.state.keys()
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def pop(self, key: str):
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self.state.pop(key)
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def __getitem__(self, key: str) -> Dict:
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return self.state[key]
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def __setitem__(self, key: str, value: Dict):
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self.state[key] = value
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self.save()
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def __delitem__(self, key: str):
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del self.state[key]
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self.save()
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def __contains__(self, key: str) -> bool:
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return key in self.state
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def __len__(self) -> int:
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return len(self.state)
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def __repr__(self) -> str:
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return repr(self.state)
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def __eq__(self, other: object) -> bool:
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return self.state == other
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def __ne__(self, other: object) -> bool:
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return self.state != other
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