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import sys
import warnings
from typing import Any, Callable, Dict
from ._internal._validators import import_string
from .version import version_short
MOVED_IN_V2 = {
'pydantic.utils:version_info': 'pydantic.version:version_info',
'pydantic.error_wrappers:ValidationError': 'pydantic:ValidationError',
'pydantic.utils:to_camel': 'pydantic.alias_generators:to_pascal',
'pydantic.utils:to_lower_camel': 'pydantic.alias_generators:to_camel',
'pydantic:PyObject': 'pydantic.types:ImportString',
'pydantic.types:PyObject': 'pydantic.types:ImportString',
'pydantic.generics:GenericModel': 'pydantic.BaseModel',
}
DEPRECATED_MOVED_IN_V2 = {
'pydantic.tools:schema_of': 'pydantic.deprecated.tools:schema_of',
'pydantic.tools:parse_obj_as': 'pydantic.deprecated.tools:parse_obj_as',
'pydantic.tools:schema_json_of': 'pydantic.deprecated.tools:schema_json_of',
'pydantic.json:pydantic_encoder': 'pydantic.deprecated.json:pydantic_encoder',
'pydantic:validate_arguments': 'pydantic.deprecated.decorator:validate_arguments',
'pydantic.json:custom_pydantic_encoder': 'pydantic.deprecated.json:custom_pydantic_encoder',
'pydantic.json:timedelta_isoformat': 'pydantic.deprecated.json:timedelta_isoformat',
'pydantic.decorator:validate_arguments': 'pydantic.deprecated.decorator:validate_arguments',
'pydantic.class_validators:validator': 'pydantic.deprecated.class_validators:validator',
'pydantic.class_validators:root_validator': 'pydantic.deprecated.class_validators:root_validator',
'pydantic.config:BaseConfig': 'pydantic.deprecated.config:BaseConfig',
'pydantic.config:Extra': 'pydantic.deprecated.config:Extra',
}
REDIRECT_TO_V1 = {
f'pydantic.utils:{obj}': f'pydantic.v1.utils:{obj}'
for obj in (
'deep_update',
'GetterDict',
'lenient_issubclass',
'lenient_isinstance',
'is_valid_field',
'update_not_none',
'import_string',
'Representation',
'ROOT_KEY',
'smart_deepcopy',
'sequence_like',
)
}
REMOVED_IN_V2 = {
'pydantic:ConstrainedBytes',
'pydantic:ConstrainedDate',
'pydantic:ConstrainedDecimal',
'pydantic:ConstrainedFloat',
'pydantic:ConstrainedFrozenSet',
'pydantic:ConstrainedInt',
'pydantic:ConstrainedList',
'pydantic:ConstrainedSet',
'pydantic:ConstrainedStr',
'pydantic:JsonWrapper',
'pydantic:NoneBytes',
'pydantic:NoneStr',
'pydantic:NoneStrBytes',
'pydantic:Protocol',
'pydantic:Required',
'pydantic:StrBytes',
'pydantic:compiled',
'pydantic.config:get_config',
'pydantic.config:inherit_config',
'pydantic.config:prepare_config',
'pydantic:create_model_from_namedtuple',
'pydantic:create_model_from_typeddict',
'pydantic.dataclasses:create_pydantic_model_from_dataclass',
'pydantic.dataclasses:make_dataclass_validator',
'pydantic.dataclasses:set_validation',
'pydantic.datetime_parse:parse_date',
'pydantic.datetime_parse:parse_time',
'pydantic.datetime_parse:parse_datetime',
'pydantic.datetime_parse:parse_duration',
'pydantic.error_wrappers:ErrorWrapper',
'pydantic.errors:AnyStrMaxLengthError',
'pydantic.errors:AnyStrMinLengthError',
'pydantic.errors:ArbitraryTypeError',
'pydantic.errors:BoolError',
'pydantic.errors:BytesError',
'pydantic.errors:CallableError',
'pydantic.errors:ClassError',
'pydantic.errors:ColorError',
'pydantic.errors:ConfigError',
'pydantic.errors:DataclassTypeError',
'pydantic.errors:DateError',
'pydantic.errors:DateNotInTheFutureError',
'pydantic.errors:DateNotInThePastError',
'pydantic.errors:DateTimeError',
'pydantic.errors:DecimalError',
'pydantic.errors:DecimalIsNotFiniteError',
'pydantic.errors:DecimalMaxDigitsError',
'pydantic.errors:DecimalMaxPlacesError',
'pydantic.errors:DecimalWholeDigitsError',
'pydantic.errors:DictError',
'pydantic.errors:DurationError',
'pydantic.errors:EmailError',
'pydantic.errors:EnumError',
'pydantic.errors:EnumMemberError',
'pydantic.errors:ExtraError',
'pydantic.errors:FloatError',
'pydantic.errors:FrozenSetError',
'pydantic.errors:FrozenSetMaxLengthError',
'pydantic.errors:FrozenSetMinLengthError',
'pydantic.errors:HashableError',
'pydantic.errors:IPv4AddressError',
'pydantic.errors:IPv4InterfaceError',
'pydantic.errors:IPv4NetworkError',
'pydantic.errors:IPv6AddressError',
'pydantic.errors:IPv6InterfaceError',
'pydantic.errors:IPv6NetworkError',
'pydantic.errors:IPvAnyAddressError',
'pydantic.errors:IPvAnyInterfaceError',
'pydantic.errors:IPvAnyNetworkError',
'pydantic.errors:IntEnumError',
'pydantic.errors:IntegerError',
'pydantic.errors:InvalidByteSize',
'pydantic.errors:InvalidByteSizeUnit',
'pydantic.errors:InvalidDiscriminator',
'pydantic.errors:InvalidLengthForBrand',
'pydantic.errors:JsonError',
'pydantic.errors:JsonTypeError',
'pydantic.errors:ListError',
'pydantic.errors:ListMaxLengthError',
'pydantic.errors:ListMinLengthError',
'pydantic.errors:ListUniqueItemsError',
'pydantic.errors:LuhnValidationError',
'pydantic.errors:MissingDiscriminator',
'pydantic.errors:MissingError',
'pydantic.errors:NoneIsAllowedError',
'pydantic.errors:NoneIsNotAllowedError',
'pydantic.errors:NotDigitError',
'pydantic.errors:NotNoneError',
'pydantic.errors:NumberNotGeError',
'pydantic.errors:NumberNotGtError',
'pydantic.errors:NumberNotLeError',
'pydantic.errors:NumberNotLtError',
'pydantic.errors:NumberNotMultipleError',
'pydantic.errors:PathError',
'pydantic.errors:PathNotADirectoryError',
'pydantic.errors:PathNotAFileError',
'pydantic.errors:PathNotExistsError',
'pydantic.errors:PatternError',
'pydantic.errors:PyObjectError',
'pydantic.errors:PydanticTypeError',
'pydantic.errors:PydanticValueError',
'pydantic.errors:SequenceError',
'pydantic.errors:SetError',
'pydantic.errors:SetMaxLengthError',
'pydantic.errors:SetMinLengthError',
'pydantic.errors:StrError',
'pydantic.errors:StrRegexError',
'pydantic.errors:StrictBoolError',
'pydantic.errors:SubclassError',
'pydantic.errors:TimeError',
'pydantic.errors:TupleError',
'pydantic.errors:TupleLengthError',
'pydantic.errors:UUIDError',
'pydantic.errors:UUIDVersionError',
'pydantic.errors:UrlError',
'pydantic.errors:UrlExtraError',
'pydantic.errors:UrlHostError',
'pydantic.errors:UrlHostTldError',
'pydantic.errors:UrlPortError',
'pydantic.errors:UrlSchemeError',
'pydantic.errors:UrlSchemePermittedError',
'pydantic.errors:UrlUserInfoError',
'pydantic.errors:WrongConstantError',
'pydantic.main:validate_model',
'pydantic.networks:stricturl',
'pydantic:parse_file_as',
'pydantic:parse_raw_as',
'pydantic:stricturl',
'pydantic.tools:parse_file_as',
'pydantic.tools:parse_raw_as',
'pydantic.types:ConstrainedBytes',
'pydantic.types:ConstrainedDate',
'pydantic.types:ConstrainedDecimal',
'pydantic.types:ConstrainedFloat',
'pydantic.types:ConstrainedFrozenSet',
'pydantic.types:ConstrainedInt',
'pydantic.types:ConstrainedList',
'pydantic.types:ConstrainedSet',
'pydantic.types:ConstrainedStr',
'pydantic.types:JsonWrapper',
'pydantic.types:NoneBytes',
'pydantic.types:NoneStr',
'pydantic.types:NoneStrBytes',
'pydantic.types:StrBytes',
'pydantic.typing:evaluate_forwardref',
'pydantic.typing:AbstractSetIntStr',
'pydantic.typing:AnyCallable',
'pydantic.typing:AnyClassMethod',
'pydantic.typing:CallableGenerator',
'pydantic.typing:DictAny',
'pydantic.typing:DictIntStrAny',
'pydantic.typing:DictStrAny',
'pydantic.typing:IntStr',
'pydantic.typing:ListStr',
'pydantic.typing:MappingIntStrAny',
'pydantic.typing:NoArgAnyCallable',
'pydantic.typing:NoneType',
'pydantic.typing:ReprArgs',
'pydantic.typing:SetStr',
'pydantic.typing:StrPath',
'pydantic.typing:TupleGenerator',
'pydantic.typing:WithArgsTypes',
'pydantic.typing:all_literal_values',
'pydantic.typing:display_as_type',
'pydantic.typing:get_all_type_hints',
'pydantic.typing:get_args',
'pydantic.typing:get_origin',
'pydantic.typing:get_sub_types',
'pydantic.typing:is_callable_type',
'pydantic.typing:is_classvar',
'pydantic.typing:is_finalvar',
'pydantic.typing:is_literal_type',
'pydantic.typing:is_namedtuple',
'pydantic.typing:is_new_type',
'pydantic.typing:is_none_type',
'pydantic.typing:is_typeddict',
'pydantic.typing:is_typeddict_special',
'pydantic.typing:is_union',
'pydantic.typing:new_type_supertype',
'pydantic.typing:resolve_annotations',
'pydantic.typing:typing_base',
'pydantic.typing:update_field_forward_refs',
'pydantic.typing:update_model_forward_refs',
'pydantic.utils:ClassAttribute',
'pydantic.utils:DUNDER_ATTRIBUTES',
'pydantic.utils:PyObjectStr',
'pydantic.utils:ValueItems',
'pydantic.utils:almost_equal_floats',
'pydantic.utils:get_discriminator_alias_and_values',
'pydantic.utils:get_model',
'pydantic.utils:get_unique_discriminator_alias',
'pydantic.utils:in_ipython',
'pydantic.utils:is_valid_identifier',
'pydantic.utils:path_type',
'pydantic.utils:validate_field_name',
'pydantic:validate_model',
}
def getattr_migration(module: str) -> Callable[[str], Any]:
"""Implement PEP 562 for objects that were either moved or removed on the migration
to V2.
Args:
module: The module name.
Returns:
A callable that will raise an error if the object is not found.
"""
# This avoids circular import with errors.py.
from .errors import PydanticImportError
def wrapper(name: str) -> object:
"""Raise an error if the object is not found, or warn if it was moved.
In case it was moved, it still returns the object.
Args:
name: The object name.
Returns:
The object.
"""
if name == '__path__':
raise AttributeError(f'module {__name__!r} has no attribute {name!r}')
import_path = f'{module}:{name}'
if import_path in MOVED_IN_V2.keys():
new_location = MOVED_IN_V2[import_path]
warnings.warn(f'`{import_path}` has been moved to `{new_location}`.')
return import_string(MOVED_IN_V2[import_path])
if import_path in DEPRECATED_MOVED_IN_V2:
# skip the warning here because a deprecation warning will be raised elsewhere
return import_string(DEPRECATED_MOVED_IN_V2[import_path])
if import_path in REDIRECT_TO_V1:
new_location = REDIRECT_TO_V1[import_path]
warnings.warn(
f'`{import_path}` has been removed. We are importing from `{new_location}` instead.'
'See the migration guide for more details: https://docs.pydantic.dev/latest/migration/'
)
return import_string(REDIRECT_TO_V1[import_path])
if import_path == 'pydantic:BaseSettings':
raise PydanticImportError(
'`BaseSettings` has been moved to the `pydantic-settings` package. '
f'See https://docs.pydantic.dev/{version_short()}/migration/#basesettings-has-moved-to-pydantic-settings '
'for more details.'
)
if import_path in REMOVED_IN_V2:
raise PydanticImportError(f'`{import_path}` has been removed in V2.')
globals: Dict[str, Any] = sys.modules[module].__dict__
if name in globals:
return globals[name]
raise AttributeError(f'module {__name__!r} has no attribute {name!r}')
return wrapper
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