40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import json
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class pdict(dict):
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def __init__(self, path, defaults=None):
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self._path = None
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self._defaults = defaults
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if os.path.exists(path):
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with open(path) as fd:
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_data = json.load(fd)
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for key in _data:
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self[key] = _data[key]
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self._path = path
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def _save(self):
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if self._path:
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with open(self._path, 'w', encoding='utf-8') as fd:
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json.dump(self, fd, indent=4, sort_keys=True, ensure_ascii=False)
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def get(self, key, default=None):
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if default is None and self._defaults:
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default = self._defaults.get(key)
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return dict.get(self, key, default)
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def __getitem__(self, key):
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if key not in self and self._defaults and key in self._defaults:
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return self._defaults[key]
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return dict.__getitem__(self, key)
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def __setitem__(self, key, value):
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dict.__setitem__(self, key, value)
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self._save()
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def __delitem__(self, key):
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dict.__delitem__(self, key)
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self._save()
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