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21 lines
513 B
Python
21 lines
513 B
Python
"""Read only dictionary."""
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from typing import Any
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def _readonly(*args: Any, **kwargs: Any) -> Any:
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"""Raise an exception when a read only dict is modified."""
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raise RuntimeError("Cannot modify ReadOnlyDict")
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class ReadOnlyDict[_KT, _VT](dict[_KT, _VT]):
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"""Read only version of dict that is compatible with dict types."""
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__setitem__ = _readonly
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__delitem__ = _readonly
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pop = _readonly
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popitem = _readonly
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clear = _readonly
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update = _readonly
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setdefault = _readonly
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