53 lines
1.2 KiB
Python
53 lines
1.2 KiB
Python
from collections.abc import Iterable, Mapping
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from typing import (
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TYPE_CHECKING,
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Self,
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TypeVar,
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overload,
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override,
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)
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_KT = TypeVar("_KT")
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_VT = TypeVar("_VT")
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class _dict(dict[_KT, _VT]):
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"""dict like object that exposes keys as attributes"""
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__slots__ = ()
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# NOTE(perf): Do NOT use super() here, it's an unnecessary function call!
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# Refer: https://github.com/frappe/frappe/pull/16449
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__getattr__ = dict.get
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__setattr__ = dict.__setitem__
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__delattr__ = dict.__delitem__
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__setstate__ = dict.update
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@override
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def __getstate__(self) -> Self:
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return self
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@overload # type: ignore[override]
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def update(self, m: Mapping[_KT, _VT], /, **kwargs: _VT) -> Self: ...
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@overload
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def update(self, m: Iterable[tuple[_KT, _VT]], /, **kwargs: _VT) -> Self: ...
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@overload
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def update(self, /, **kwargs: _VT) -> Self: ...
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@override
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def update(
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self, m: Mapping[_KT, _VT] | Iterable[tuple[_KT, _VT]] | None = None, /, **kwargs: _VT
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) -> Self:
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"""update and return self -- the missing dict feature in python"""
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if m:
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super().update(m, **kwargs)
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else:
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super().update(**kwargs)
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return self
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@override
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def copy(self) -> "_dict[_KT, _VT]":
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return _dict(self)
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