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from __future__ import annotations as _annotations |
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import warnings |
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from typing import TYPE_CHECKING, Any |
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from typing_extensions import Literal, deprecated |
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from .._internal import _config |
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from ..warnings import PydanticDeprecatedSince20 |
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if not TYPE_CHECKING: |
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DeprecationWarning = PydanticDeprecatedSince20 |
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__all__ = 'BaseConfig', 'Extra' |
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class _ConfigMetaclass(type): |
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def __getattr__(self, item: str) -> Any: |
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try: |
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obj = _config.config_defaults[item] |
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warnings.warn(_config.DEPRECATION_MESSAGE, DeprecationWarning) |
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return obj |
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except KeyError as exc: |
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raise AttributeError(f"type object '{self.__name__}' has no attribute {exc}") from exc |
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@deprecated('BaseConfig is deprecated. Use the `pydantic.ConfigDict` instead.', category=PydanticDeprecatedSince20) |
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class BaseConfig(metaclass=_ConfigMetaclass): |
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"""This class is only retained for backwards compatibility. |
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!!! Warning "Deprecated" |
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BaseConfig is deprecated. Use the [`pydantic.ConfigDict`][pydantic.ConfigDict] instead. |
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""" |
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def __getattr__(self, item: str) -> Any: |
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try: |
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obj = super().__getattribute__(item) |
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warnings.warn(_config.DEPRECATION_MESSAGE, DeprecationWarning) |
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return obj |
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except AttributeError as exc: |
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try: |
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return getattr(type(self), item) |
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except AttributeError: |
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raise AttributeError(str(exc)) from exc |
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def __init_subclass__(cls, **kwargs: Any) -> None: |
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warnings.warn(_config.DEPRECATION_MESSAGE, DeprecationWarning) |
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return super().__init_subclass__(**kwargs) |
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class _ExtraMeta(type): |
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def __getattribute__(self, __name: str) -> Any: |
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if __name in {'allow', 'ignore', 'forbid'}: |
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warnings.warn( |
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"`pydantic.config.Extra` is deprecated, use literal values instead (e.g. `extra='allow'`)", |
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DeprecationWarning, |
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stacklevel=2, |
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) |
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return super().__getattribute__(__name) |
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@deprecated( |
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"Extra is deprecated. Use literal values instead (e.g. `extra='allow'`)", category=PydanticDeprecatedSince20 |
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) |
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class Extra(metaclass=_ExtraMeta): |
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allow: Literal['allow'] = 'allow' |
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ignore: Literal['ignore'] = 'ignore' |
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forbid: Literal['forbid'] = 'forbid' |
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