diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/pydantic/v1/config.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/pydantic/v1/config.py | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pydantic/v1/config.py b/.venv/lib/python3.12/site-packages/pydantic/v1/config.py new file mode 100644 index 00000000..18f7c999 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pydantic/v1/config.py @@ -0,0 +1,191 @@ +import json +from enum import Enum +from typing import TYPE_CHECKING, Any, Callable, Dict, ForwardRef, Optional, Tuple, Type, Union + +from typing_extensions import Literal, Protocol + +from pydantic.v1.typing import AnyArgTCallable, AnyCallable +from pydantic.v1.utils import GetterDict +from pydantic.v1.version import compiled + +if TYPE_CHECKING: + from typing import overload + + from pydantic.v1.fields import ModelField + from pydantic.v1.main import BaseModel + + ConfigType = Type['BaseConfig'] + + class SchemaExtraCallable(Protocol): + @overload + def __call__(self, schema: Dict[str, Any]) -> None: + pass + + @overload + def __call__(self, schema: Dict[str, Any], model_class: Type[BaseModel]) -> None: + pass + +else: + SchemaExtraCallable = Callable[..., None] + +__all__ = 'BaseConfig', 'ConfigDict', 'get_config', 'Extra', 'inherit_config', 'prepare_config' + + +class Extra(str, Enum): + allow = 'allow' + ignore = 'ignore' + forbid = 'forbid' + + +# https://github.com/cython/cython/issues/4003 +# Fixed in Cython 3 and Pydantic v1 won't support Cython 3. +# Pydantic v2 doesn't depend on Cython at all. +if not compiled: + from typing_extensions import TypedDict + + class ConfigDict(TypedDict, total=False): + title: Optional[str] + anystr_lower: bool + anystr_strip_whitespace: bool + min_anystr_length: int + max_anystr_length: Optional[int] + validate_all: bool + extra: Extra + allow_mutation: bool + frozen: bool + allow_population_by_field_name: bool + use_enum_values: bool + fields: Dict[str, Union[str, Dict[str, str]]] + validate_assignment: bool + error_msg_templates: Dict[str, str] + arbitrary_types_allowed: bool + orm_mode: bool + getter_dict: Type[GetterDict] + alias_generator: Optional[Callable[[str], str]] + keep_untouched: Tuple[type, ...] + schema_extra: Union[Dict[str, object], 'SchemaExtraCallable'] + json_loads: Callable[[str], object] + json_dumps: AnyArgTCallable[str] + json_encoders: Dict[Type[object], AnyCallable] + underscore_attrs_are_private: bool + allow_inf_nan: bool + copy_on_model_validation: Literal['none', 'deep', 'shallow'] + # whether dataclass `__post_init__` should be run after validation + post_init_call: Literal['before_validation', 'after_validation'] + +else: + ConfigDict = dict # type: ignore + + +class BaseConfig: + title: Optional[str] = None + anystr_lower: bool = False + anystr_upper: bool = False + anystr_strip_whitespace: bool = False + min_anystr_length: int = 0 + max_anystr_length: Optional[int] = None + validate_all: bool = False + extra: Extra = Extra.ignore + allow_mutation: bool = True + frozen: bool = False + allow_population_by_field_name: bool = False + use_enum_values: bool = False + fields: Dict[str, Union[str, Dict[str, str]]] = {} + validate_assignment: bool = False + error_msg_templates: Dict[str, str] = {} + arbitrary_types_allowed: bool = False + orm_mode: bool = False + getter_dict: Type[GetterDict] = GetterDict + alias_generator: Optional[Callable[[str], str]] = None + keep_untouched: Tuple[type, ...] = () + schema_extra: Union[Dict[str, Any], 'SchemaExtraCallable'] = {} + json_loads: Callable[[str], Any] = json.loads + json_dumps: Callable[..., str] = json.dumps + json_encoders: Dict[Union[Type[Any], str, ForwardRef], AnyCallable] = {} + underscore_attrs_are_private: bool = False + allow_inf_nan: bool = True + + # whether inherited models as fields should be reconstructed as base model, + # and whether such a copy should be shallow or deep + copy_on_model_validation: Literal['none', 'deep', 'shallow'] = 'shallow' + + # whether `Union` should check all allowed types before even trying to coerce + smart_union: bool = False + # whether dataclass `__post_init__` should be run before or after validation + post_init_call: Literal['before_validation', 'after_validation'] = 'before_validation' + + @classmethod + def get_field_info(cls, name: str) -> Dict[str, Any]: + """ + Get properties of FieldInfo from the `fields` property of the config class. + """ + + fields_value = cls.fields.get(name) + + if isinstance(fields_value, str): + field_info: Dict[str, Any] = {'alias': fields_value} + elif isinstance(fields_value, dict): + field_info = fields_value + else: + field_info = {} + + if 'alias' in field_info: + field_info.setdefault('alias_priority', 2) + + if field_info.get('alias_priority', 0) <= 1 and cls.alias_generator: + alias = cls.alias_generator(name) + if not isinstance(alias, str): + raise TypeError(f'Config.alias_generator must return str, not {alias.__class__}') + field_info.update(alias=alias, alias_priority=1) + return field_info + + @classmethod + def prepare_field(cls, field: 'ModelField') -> None: + """ + Optional hook to check or modify fields during model creation. + """ + pass + + +def get_config(config: Union[ConfigDict, Type[object], None]) -> Type[BaseConfig]: + if config is None: + return BaseConfig + + else: + config_dict = ( + config + if isinstance(config, dict) + else {k: getattr(config, k) for k in dir(config) if not k.startswith('__')} + ) + + class Config(BaseConfig): + ... + + for k, v in config_dict.items(): + setattr(Config, k, v) + return Config + + +def inherit_config(self_config: 'ConfigType', parent_config: 'ConfigType', **namespace: Any) -> 'ConfigType': + if not self_config: + base_classes: Tuple['ConfigType', ...] = (parent_config,) + elif self_config == parent_config: + base_classes = (self_config,) + else: + base_classes = self_config, parent_config + + namespace['json_encoders'] = { + **getattr(parent_config, 'json_encoders', {}), + **getattr(self_config, 'json_encoders', {}), + **namespace.get('json_encoders', {}), + } + + return type('Config', base_classes, namespace) + + +def prepare_config(config: Type[BaseConfig], cls_name: str) -> None: + if not isinstance(config.extra, Extra): + try: + config.extra = Extra(config.extra) + except ValueError: + raise ValueError(f'"{cls_name}": {config.extra} is not a valid value for "extra"') |