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pydantic
_migration.py
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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