584 lines
15 KiB
Python
584 lines
15 KiB
Python
from decimal import Decimal
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from pathlib import Path
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from typing import TYPE_CHECKING, Any, Callable, Set, Tuple, Type, Union
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from .typing import display_as_type
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if TYPE_CHECKING:
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from .typing import DictStrAny
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# explicitly state exports to avoid "from .errors import *" also importing Decimal, Path etc.
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__all__ = (
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'PydanticTypeError',
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'PydanticValueError',
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'ConfigError',
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'MissingError',
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'ExtraError',
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'NoneIsNotAllowedError',
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'NoneIsAllowedError',
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'WrongConstantError',
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'NotNoneError',
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'BoolError',
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'BytesError',
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'DictError',
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'EmailError',
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'UrlError',
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'UrlSchemeError',
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'UrlSchemePermittedError',
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'UrlUserInfoError',
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'UrlHostError',
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'UrlHostTldError',
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'UrlPortError',
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'UrlExtraError',
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'EnumError',
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'IntEnumError',
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'EnumMemberError',
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'IntegerError',
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'FloatError',
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'PathError',
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'_PathValueError',
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'PathNotExistsError',
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'PathNotAFileError',
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'PathNotADirectoryError',
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'PyObjectError',
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'SequenceError',
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'ListError',
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'SetError',
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'FrozenSetError',
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'TupleError',
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'TupleLengthError',
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'ListMinLengthError',
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'ListMaxLengthError',
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'AnyStrMinLengthError',
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'AnyStrMaxLengthError',
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'StrError',
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'StrRegexError',
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'_NumberBoundError',
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'NumberNotGtError',
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'NumberNotGeError',
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'NumberNotLtError',
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'NumberNotLeError',
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'NumberNotMultipleError',
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'DecimalError',
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'DecimalIsNotFiniteError',
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'DecimalMaxDigitsError',
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'DecimalMaxPlacesError',
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'DecimalWholeDigitsError',
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'DateTimeError',
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'DateError',
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'TimeError',
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'DurationError',
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'HashableError',
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'UUIDError',
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'UUIDVersionError',
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'ArbitraryTypeError',
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'ClassError',
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'SubclassError',
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'JsonError',
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'JsonTypeError',
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'PatternError',
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'DataclassTypeError',
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'CallableError',
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'IPvAnyAddressError',
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'IPvAnyInterfaceError',
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'IPvAnyNetworkError',
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'IPv4AddressError',
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'IPv6AddressError',
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'IPv4NetworkError',
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'IPv6NetworkError',
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'IPv4InterfaceError',
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'IPv6InterfaceError',
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'ColorError',
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'StrictBoolError',
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'NotDigitError',
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'LuhnValidationError',
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'InvalidLengthForBrand',
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'InvalidByteSize',
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'InvalidByteSizeUnit',
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)
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def cls_kwargs(cls: Type['PydanticErrorMixin'], ctx: 'DictStrAny') -> 'PydanticErrorMixin':
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"""
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For built-in exceptions like ValueError or TypeError, we need to implement
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__reduce__ to override the default behaviour (instead of __getstate__/__setstate__)
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By default pickle protocol 2 calls `cls.__new__(cls, *args)`.
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Since we only use kwargs, we need a little constructor to change that.
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Note: the callable can't be a lambda as pickle looks in the namespace to find it
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"""
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return cls(**ctx)
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class PydanticErrorMixin:
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code: str
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msg_template: str
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def __init__(self, **ctx: Any) -> None:
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self.__dict__ = ctx
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def __str__(self) -> str:
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return self.msg_template.format(**self.__dict__)
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def __reduce__(self) -> Tuple[Callable[..., 'PydanticErrorMixin'], Tuple[Type['PydanticErrorMixin'], 'DictStrAny']]:
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return cls_kwargs, (self.__class__, self.__dict__)
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class PydanticTypeError(PydanticErrorMixin, TypeError):
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pass
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class PydanticValueError(PydanticErrorMixin, ValueError):
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pass
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class ConfigError(RuntimeError):
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pass
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class MissingError(PydanticValueError):
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msg_template = 'field required'
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class ExtraError(PydanticValueError):
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msg_template = 'extra fields not permitted'
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class NoneIsNotAllowedError(PydanticTypeError):
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code = 'none.not_allowed'
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msg_template = 'none is not an allowed value'
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class NoneIsAllowedError(PydanticTypeError):
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code = 'none.allowed'
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msg_template = 'value is not none'
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class WrongConstantError(PydanticValueError):
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code = 'const'
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def __str__(self) -> str:
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permitted = ', '.join(repr(v) for v in self.permitted) # type: ignore
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return f'unexpected value; permitted: {permitted}'
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class NotNoneError(PydanticTypeError):
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code = 'not_none'
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msg_template = 'value is not None'
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class BoolError(PydanticTypeError):
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msg_template = 'value could not be parsed to a boolean'
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class BytesError(PydanticTypeError):
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msg_template = 'byte type expected'
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class DictError(PydanticTypeError):
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msg_template = 'value is not a valid dict'
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class EmailError(PydanticValueError):
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msg_template = 'value is not a valid email address'
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class UrlError(PydanticValueError):
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code = 'url'
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class UrlSchemeError(UrlError):
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code = 'url.scheme'
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msg_template = 'invalid or missing URL scheme'
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class UrlSchemePermittedError(UrlError):
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code = 'url.scheme'
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msg_template = 'URL scheme not permitted'
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def __init__(self, allowed_schemes: Set[str]):
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super().__init__(allowed_schemes=allowed_schemes)
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class UrlUserInfoError(UrlError):
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code = 'url.userinfo'
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msg_template = 'userinfo required in URL but missing'
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class UrlHostError(UrlError):
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code = 'url.host'
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msg_template = 'URL host invalid'
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class UrlHostTldError(UrlError):
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code = 'url.host'
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msg_template = 'URL host invalid, top level domain required'
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class UrlPortError(UrlError):
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code = 'url.port'
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msg_template = 'URL port invalid, port cannot exceed 65535'
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class UrlExtraError(UrlError):
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code = 'url.extra'
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msg_template = 'URL invalid, extra characters found after valid URL: {extra!r}'
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class EnumMemberError(PydanticTypeError):
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code = 'enum'
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def __str__(self) -> str:
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permitted = ', '.join(repr(v.value) for v in self.enum_values) # type: ignore
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return f'value is not a valid enumeration member; permitted: {permitted}'
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class IntegerError(PydanticTypeError):
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msg_template = 'value is not a valid integer'
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class FloatError(PydanticTypeError):
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msg_template = 'value is not a valid float'
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class PathError(PydanticTypeError):
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msg_template = 'value is not a valid path'
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class _PathValueError(PydanticValueError):
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def __init__(self, *, path: Path) -> None:
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super().__init__(path=str(path))
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class PathNotExistsError(_PathValueError):
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code = 'path.not_exists'
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msg_template = 'file or directory at path "{path}" does not exist'
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class PathNotAFileError(_PathValueError):
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code = 'path.not_a_file'
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msg_template = 'path "{path}" does not point to a file'
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class PathNotADirectoryError(_PathValueError):
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code = 'path.not_a_directory'
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msg_template = 'path "{path}" does not point to a directory'
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class PyObjectError(PydanticTypeError):
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msg_template = 'ensure this value contains valid import path or valid callable: {error_message}'
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class SequenceError(PydanticTypeError):
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msg_template = 'value is not a valid sequence'
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class IterableError(PydanticTypeError):
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msg_template = 'value is not a valid iterable'
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class ListError(PydanticTypeError):
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msg_template = 'value is not a valid list'
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class SetError(PydanticTypeError):
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msg_template = 'value is not a valid set'
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class FrozenSetError(PydanticTypeError):
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msg_template = 'value is not a valid frozenset'
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class DequeError(PydanticTypeError):
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msg_template = 'value is not a valid deque'
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class TupleError(PydanticTypeError):
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msg_template = 'value is not a valid tuple'
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class TupleLengthError(PydanticValueError):
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code = 'tuple.length'
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msg_template = 'wrong tuple length {actual_length}, expected {expected_length}'
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def __init__(self, *, actual_length: int, expected_length: int) -> None:
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super().__init__(actual_length=actual_length, expected_length=expected_length)
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class ListMinLengthError(PydanticValueError):
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code = 'list.min_items'
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msg_template = 'ensure this value has at least {limit_value} items'
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def __init__(self, *, limit_value: int) -> None:
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super().__init__(limit_value=limit_value)
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class ListMaxLengthError(PydanticValueError):
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code = 'list.max_items'
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msg_template = 'ensure this value has at most {limit_value} items'
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def __init__(self, *, limit_value: int) -> None:
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super().__init__(limit_value=limit_value)
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class SetMinLengthError(PydanticValueError):
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code = 'set.min_items'
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msg_template = 'ensure this value has at least {limit_value} items'
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def __init__(self, *, limit_value: int) -> None:
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super().__init__(limit_value=limit_value)
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class SetMaxLengthError(PydanticValueError):
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code = 'set.max_items'
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msg_template = 'ensure this value has at most {limit_value} items'
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def __init__(self, *, limit_value: int) -> None:
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super().__init__(limit_value=limit_value)
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class AnyStrMinLengthError(PydanticValueError):
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code = 'any_str.min_length'
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msg_template = 'ensure this value has at least {limit_value} characters'
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def __init__(self, *, limit_value: int) -> None:
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super().__init__(limit_value=limit_value)
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class AnyStrMaxLengthError(PydanticValueError):
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code = 'any_str.max_length'
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msg_template = 'ensure this value has at most {limit_value} characters'
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def __init__(self, *, limit_value: int) -> None:
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super().__init__(limit_value=limit_value)
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class StrError(PydanticTypeError):
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msg_template = 'str type expected'
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class StrRegexError(PydanticValueError):
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code = 'str.regex'
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msg_template = 'string does not match regex "{pattern}"'
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def __init__(self, *, pattern: str) -> None:
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super().__init__(pattern=pattern)
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class _NumberBoundError(PydanticValueError):
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def __init__(self, *, limit_value: Union[int, float, Decimal]) -> None:
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super().__init__(limit_value=limit_value)
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class NumberNotGtError(_NumberBoundError):
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code = 'number.not_gt'
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msg_template = 'ensure this value is greater than {limit_value}'
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class NumberNotGeError(_NumberBoundError):
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code = 'number.not_ge'
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msg_template = 'ensure this value is greater than or equal to {limit_value}'
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class NumberNotLtError(_NumberBoundError):
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code = 'number.not_lt'
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msg_template = 'ensure this value is less than {limit_value}'
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class NumberNotLeError(_NumberBoundError):
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code = 'number.not_le'
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msg_template = 'ensure this value is less than or equal to {limit_value}'
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class NumberNotMultipleError(PydanticValueError):
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code = 'number.not_multiple'
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msg_template = 'ensure this value is a multiple of {multiple_of}'
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def __init__(self, *, multiple_of: Union[int, float, Decimal]) -> None:
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super().__init__(multiple_of=multiple_of)
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class DecimalError(PydanticTypeError):
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msg_template = 'value is not a valid decimal'
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class DecimalIsNotFiniteError(PydanticValueError):
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code = 'decimal.not_finite'
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msg_template = 'value is not a valid decimal'
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class DecimalMaxDigitsError(PydanticValueError):
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code = 'decimal.max_digits'
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msg_template = 'ensure that there are no more than {max_digits} digits in total'
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def __init__(self, *, max_digits: int) -> None:
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super().__init__(max_digits=max_digits)
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class DecimalMaxPlacesError(PydanticValueError):
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code = 'decimal.max_places'
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msg_template = 'ensure that there are no more than {decimal_places} decimal places'
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def __init__(self, *, decimal_places: int) -> None:
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super().__init__(decimal_places=decimal_places)
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class DecimalWholeDigitsError(PydanticValueError):
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code = 'decimal.whole_digits'
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msg_template = 'ensure that there are no more than {whole_digits} digits before the decimal point'
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def __init__(self, *, whole_digits: int) -> None:
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super().__init__(whole_digits=whole_digits)
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class DateTimeError(PydanticValueError):
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msg_template = 'invalid datetime format'
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class DateError(PydanticValueError):
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msg_template = 'invalid date format'
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class TimeError(PydanticValueError):
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msg_template = 'invalid time format'
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class DurationError(PydanticValueError):
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msg_template = 'invalid duration format'
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class HashableError(PydanticTypeError):
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msg_template = 'value is not a valid hashable'
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class UUIDError(PydanticTypeError):
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msg_template = 'value is not a valid uuid'
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class UUIDVersionError(PydanticValueError):
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code = 'uuid.version'
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msg_template = 'uuid version {required_version} expected'
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def __init__(self, *, required_version: int) -> None:
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super().__init__(required_version=required_version)
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class ArbitraryTypeError(PydanticTypeError):
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code = 'arbitrary_type'
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msg_template = 'instance of {expected_arbitrary_type} expected'
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def __init__(self, *, expected_arbitrary_type: Type[Any]) -> None:
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super().__init__(expected_arbitrary_type=display_as_type(expected_arbitrary_type))
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class ClassError(PydanticTypeError):
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code = 'class'
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msg_template = 'a class is expected'
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class SubclassError(PydanticTypeError):
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code = 'subclass'
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msg_template = 'subclass of {expected_class} expected'
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def __init__(self, *, expected_class: Type[Any]) -> None:
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super().__init__(expected_class=display_as_type(expected_class))
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class JsonError(PydanticValueError):
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msg_template = 'Invalid JSON'
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class JsonTypeError(PydanticTypeError):
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code = 'json'
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msg_template = 'JSON object must be str, bytes or bytearray'
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class PatternError(PydanticValueError):
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code = 'regex_pattern'
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msg_template = 'Invalid regular expression'
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class DataclassTypeError(PydanticTypeError):
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code = 'dataclass'
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msg_template = 'instance of {class_name}, tuple or dict expected'
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class CallableError(PydanticTypeError):
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msg_template = '{value} is not callable'
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class EnumError(PydanticTypeError):
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code = 'enum_instance'
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msg_template = '{value} is not a valid Enum instance'
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class IntEnumError(PydanticTypeError):
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code = 'int_enum_instance'
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msg_template = '{value} is not a valid IntEnum instance'
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class IPvAnyAddressError(PydanticValueError):
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msg_template = 'value is not a valid IPv4 or IPv6 address'
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class IPvAnyInterfaceError(PydanticValueError):
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msg_template = 'value is not a valid IPv4 or IPv6 interface'
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class IPvAnyNetworkError(PydanticValueError):
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msg_template = 'value is not a valid IPv4 or IPv6 network'
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class IPv4AddressError(PydanticValueError):
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msg_template = 'value is not a valid IPv4 address'
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class IPv6AddressError(PydanticValueError):
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msg_template = 'value is not a valid IPv6 address'
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class IPv4NetworkError(PydanticValueError):
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msg_template = 'value is not a valid IPv4 network'
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class IPv6NetworkError(PydanticValueError):
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msg_template = 'value is not a valid IPv6 network'
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class IPv4InterfaceError(PydanticValueError):
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msg_template = 'value is not a valid IPv4 interface'
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class IPv6InterfaceError(PydanticValueError):
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msg_template = 'value is not a valid IPv6 interface'
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class ColorError(PydanticValueError):
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msg_template = 'value is not a valid color: {reason}'
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class StrictBoolError(PydanticValueError):
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msg_template = 'value is not a valid boolean'
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class NotDigitError(PydanticValueError):
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code = 'payment_card_number.digits'
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msg_template = 'card number is not all digits'
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class LuhnValidationError(PydanticValueError):
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code = 'payment_card_number.luhn_check'
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msg_template = 'card number is not luhn valid'
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class InvalidLengthForBrand(PydanticValueError):
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code = 'payment_card_number.invalid_length_for_brand'
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msg_template = 'Length for a {brand} card must be {required_length}'
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class InvalidByteSize(PydanticValueError):
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msg_template = 'could not parse value and unit from byte string'
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class InvalidByteSizeUnit(PydanticValueError):
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msg_template = 'could not interpret byte unit: {unit}'
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