/
test_deprecated.py
734 lines (560 loc) · 22.9 KB
/
test_deprecated.py
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import platform
import re
import sys
from datetime import timedelta
from pathlib import Path
from types import SimpleNamespace
from typing import Any, Dict, Iterable, List, Type
import pytest
from pydantic_core import CoreSchema, core_schema
from typing_extensions import Literal
from pydantic import (
BaseModel,
ConfigDict,
Field,
GetCoreSchemaHandler,
GetJsonSchemaHandler,
PydanticDeprecatedSince20,
PydanticUserError,
ValidationError,
conlist,
root_validator,
)
from pydantic.config import Extra
from pydantic.deprecated.decorator import validate_arguments
from pydantic.deprecated.json import custom_pydantic_encoder, pydantic_encoder, timedelta_isoformat
from pydantic.deprecated.parse import load_file, load_str_bytes
from pydantic.deprecated.tools import parse_obj_as, schema_json_of, schema_of
from pydantic.functional_serializers import model_serializer
from pydantic.json_schema import JsonSchemaValue
from pydantic.type_adapter import TypeAdapter
if sys.version_info < (3, 11):
from typing_extensions import get_overloads
else:
from typing import get_overloads
def deprecated_from_orm(model_type: Type[BaseModel], obj: Any) -> Any:
with pytest.warns(
PydanticDeprecatedSince20,
match=re.escape(
'The `from_orm` method is deprecated; set `model_config["from_attributes"]=True` '
'and use `model_validate` instead.'
),
):
return model_type.from_orm(obj)
def test_from_attributes_root():
class PokemonCls:
def __init__(self, *, en_name: str, jp_name: str):
self.en_name = en_name
self.jp_name = jp_name
class Pokemon(BaseModel):
model_config = ConfigDict(from_attributes=True)
en_name: str
jp_name: str
with pytest.warns(
PydanticDeprecatedSince20, match='Pydantic V1 style `@root_validator` validators are deprecated.'
):
class PokemonList(BaseModel):
root: List[Pokemon]
@root_validator(pre=True)
@classmethod
def populate_root(cls, values):
return {'root': values}
@model_serializer(mode='wrap')
def _serialize(self, handler, info):
data = handler(self)
if info.mode == 'json':
return data['root']
else:
return data
@classmethod
def model_modify_json_schema(cls, json_schema):
return json_schema['properties']['root']
model_config = ConfigDict(from_attributes=True)
pika = PokemonCls(en_name='Pikachu', jp_name='ピカチュウ')
bulbi = PokemonCls(en_name='Bulbasaur', jp_name='フシギダネ')
pokemons = deprecated_from_orm(PokemonList, [pika, bulbi])
assert pokemons.root == [
Pokemon(en_name='Pikachu', jp_name='ピカチュウ'),
Pokemon(en_name='Bulbasaur', jp_name='フシギダネ'),
]
with pytest.warns(
PydanticDeprecatedSince20, match='Pydantic V1 style `@root_validator` validators are deprecated.'
):
class PokemonDict(BaseModel):
root: Dict[str, Pokemon]
model_config = ConfigDict(from_attributes=True)
@root_validator(pre=True)
@classmethod
def populate_root(cls, values):
return {'root': values}
@model_serializer(mode='wrap')
def _serialize(self, handler, info):
data = handler(self)
if info.mode == 'json':
return data['root']
else:
return data
@classmethod
def model_modify_json_schema(cls, json_schema):
return json_schema['properties']['root']
pokemons = deprecated_from_orm(PokemonDict, {'pika': pika, 'bulbi': bulbi})
assert pokemons.root == {
'pika': Pokemon(en_name='Pikachu', jp_name='ピカチュウ'),
'bulbi': Pokemon(en_name='Bulbasaur', jp_name='フシギダネ'),
}
def test_from_attributes():
class PetCls:
def __init__(self, *, name: str, species: str):
self.name = name
self.species = species
class PersonCls:
def __init__(self, *, name: str, age: float = None, pets: List[PetCls]):
self.name = name
self.age = age
self.pets = pets
class Pet(BaseModel):
model_config = ConfigDict(from_attributes=True)
name: str
species: str
class Person(BaseModel):
model_config = ConfigDict(from_attributes=True)
name: str
age: float = None
pets: List[Pet]
bones = PetCls(name='Bones', species='dog')
orion = PetCls(name='Orion', species='cat')
anna = PersonCls(name='Anna', age=20, pets=[bones, orion])
anna_model = deprecated_from_orm(Person, anna)
assert anna_model.model_dump() == {
'name': 'Anna',
'pets': [{'name': 'Bones', 'species': 'dog'}, {'name': 'Orion', 'species': 'cat'}],
'age': 20.0,
}
def test_not_from_attributes():
class Pet(BaseModel):
name: str
species: str
with pytest.raises(PydanticUserError):
deprecated_from_orm(Pet, None)
def test_object_with_getattr():
class FooGetAttr:
def __getattr__(self, key: str):
if key == 'foo':
return 'Foo'
else:
raise AttributeError
class Model(BaseModel):
model_config = ConfigDict(from_attributes=True)
foo: str
bar: int = 1
class ModelInvalid(BaseModel):
model_config = ConfigDict(from_attributes=True)
foo: str
bar: int
foo = FooGetAttr()
model = deprecated_from_orm(Model, foo)
assert model.foo == 'Foo'
assert model.bar == 1
assert model.model_dump(exclude_unset=True) == {'foo': 'Foo'}
with pytest.raises(ValidationError):
deprecated_from_orm(ModelInvalid, foo)
def test_properties():
class XyProperty:
x = 4
@property
def y(self):
return '5'
class Model(BaseModel):
model_config = ConfigDict(from_attributes=True)
x: int
y: int
model = deprecated_from_orm(Model, XyProperty())
assert model.x == 4
assert model.y == 5
@pytest.mark.parametrize('extra', ['ignore', 'forbid', 'allow'])
def test_extra_allow_from_orm(extra: Literal['ignore', 'forbid', 'allow']):
class TestCls:
x = 1
y = 2
class Model(BaseModel):
model_config = ConfigDict(from_attributes=True, extra=extra)
x: int
model = deprecated_from_orm(Model, TestCls())
assert model.x == 1
assert not hasattr(model, 'y')
@pytest.mark.filterwarnings('ignore:Pydantic V1 style `@root_validator` validators are deprecated.*:DeprecationWarning')
def test_root_validator():
validator_value = None
class TestCls:
x = 1
y = 2
class Model(BaseModel):
model_config = ConfigDict(from_attributes=True)
x: int
y: int
z: int
@root_validator(pre=True)
def change_input_data(cls, value):
nonlocal validator_value
validator_value = value
return {'x': value.x, 'y': value.y, 'z': value.x + value.y}
model = deprecated_from_orm(Model, TestCls())
assert model.model_dump() == {'x': 1, 'y': 2, 'z': 3}
# assert isinstance(validator_value, GetterDict)
assert isinstance(validator_value, TestCls)
def test_nested_orm():
class User(BaseModel):
model_config = ConfigDict(from_attributes=True)
first_name: str
last_name: str
class State(BaseModel):
model_config = ConfigDict(from_attributes=True)
user: User
# Pass an "orm instance"
deprecated_from_orm(State, SimpleNamespace(user=SimpleNamespace(first_name='John', last_name='Appleseed')))
# Pass dictionary data directly
State(**{'user': {'first_name': 'John', 'last_name': 'Appleseed'}})
def test_parse_raw_pass():
class Model(BaseModel):
x: int
y: int
with pytest.warns(PydanticDeprecatedSince20, match='The `parse_raw` method is deprecated'):
model = Model.parse_raw('{"x": 1, "y": 2}')
assert model.model_dump() == {'x': 1, 'y': 2}
@pytest.mark.skipif(platform.python_implementation() == 'PyPy', reason='Different error str on PyPy')
def test_parse_raw_pass_fail():
class Model(BaseModel):
x: int
y: int
with pytest.warns(PydanticDeprecatedSince20, match='The `parse_raw` method is deprecated'):
with pytest.raises(ValidationError, match='1 validation error for Model') as exc_info:
Model.parse_raw('invalid')
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'value_error.jsondecode',
'loc': ('__root__',),
'msg': 'Expecting value: line 1 column 1 (char 0)',
'input': 'invalid',
}
]
def test_fields():
class Model(BaseModel):
x: int
y: int = 2
m = Model(x=1)
assert len(Model.model_fields) == 2
assert len(m.model_fields) == 2
match = '^The `__fields__` attribute is deprecated, use `model_fields` instead.'
with pytest.warns(PydanticDeprecatedSince20, match=match):
assert len(Model.__fields__) == 2
with pytest.warns(PydanticDeprecatedSince20, match=match):
assert len(m.__fields__) == 2
def test_fields_set():
class Model(BaseModel):
x: int
y: int = 2
m = Model(x=1)
assert m.model_fields_set == {'x'}
match = '^The `__fields_set__` attribute is deprecated, use `model_fields_set` instead.'
with pytest.warns(PydanticDeprecatedSince20, match=match):
assert m.__fields_set__ == {'x'}
@pytest.mark.parametrize('attribute,value', [('allow', 'allow'), ('ignore', 'ignore'), ('forbid', 'forbid')])
def test_extra_used_as_enum(
attribute: str,
value: str,
) -> None:
with pytest.warns(
PydanticDeprecatedSince20,
match=re.escape("`pydantic.config.Extra` is deprecated, use literal values instead (e.g. `extra='allow'`)"),
):
assert getattr(Extra, attribute) == value
def test_field_min_items_deprecation():
m = '`min_items` is deprecated and will be removed. use `min_length` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: List[int] = Field(None, min_items=1)
with pytest.raises(ValidationError) as exc_info:
Model(x=[])
assert exc_info.value.errors(include_url=False) == [
{
'type': 'too_short',
'loc': ('x',),
'msg': 'List should have at least 1 item after validation, not 0',
'input': [],
'ctx': {'field_type': 'List', 'min_length': 1, 'actual_length': 0},
}
]
def test_field_min_items_with_min_length():
m = '`min_items` is deprecated and will be removed. use `min_length` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: List[int] = Field(None, min_items=1, min_length=2)
with pytest.raises(ValidationError) as exc_info:
Model(x=[1])
assert exc_info.value.errors(include_url=False) == [
{
'type': 'too_short',
'loc': ('x',),
'msg': 'List should have at least 2 items after validation, not 1',
'input': [1],
'ctx': {'field_type': 'List', 'min_length': 2, 'actual_length': 1},
}
]
def test_field_max_items():
m = '`max_items` is deprecated and will be removed. use `max_length` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: List[int] = Field(None, max_items=1)
with pytest.raises(ValidationError) as exc_info:
Model(x=[1, 2])
assert exc_info.value.errors(include_url=False) == [
{
'type': 'too_long',
'loc': ('x',),
'msg': 'List should have at most 1 item after validation, not 2',
'input': [1, 2],
'ctx': {'field_type': 'List', 'max_length': 1, 'actual_length': 2},
}
]
def test_field_max_items_with_max_length():
m = '`max_items` is deprecated and will be removed. use `max_length` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: List[int] = Field(None, max_items=1, max_length=2)
with pytest.raises(ValidationError) as exc_info:
Model(x=[1, 2, 3])
assert exc_info.value.errors(include_url=False) == [
{
'type': 'too_long',
'loc': ('x',),
'msg': 'List should have at most 2 items after validation, not 3',
'input': [1, 2, 3],
'ctx': {'field_type': 'List', 'max_length': 2, 'actual_length': 3},
}
]
def test_field_const():
with pytest.raises(PydanticUserError, match='`const` is removed. use `Literal` instead'):
class Model(BaseModel):
x: str = Field('test', const=True)
def test_field_include_deprecation():
m = '`include` is deprecated and does nothing. It will be removed, use `exclude` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: int = Field(include=True)
def test_unique_items_items():
with pytest.raises(PydanticUserError, match='`unique_items` is removed. use `Set` instead'):
class Model(BaseModel):
x: List[int] = Field(None, unique_items=True)
def test_unique_items_conlist():
with pytest.raises(PydanticUserError, match='`unique_items` is removed. use `Set` instead'):
class Model(BaseModel):
x: conlist(int, unique_items=True)
def test_allow_mutation():
m = '`allow_mutation` is deprecated and will be removed. use `frozen` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
model_config = ConfigDict(validate_assignment=True)
x: int = Field(allow_mutation=False)
y: int = Field(allow_mutation=True)
m = Model(x=1, y=2)
assert m.x == 1
with pytest.raises(ValidationError) as exc_info:
m.x = 2
assert exc_info.value.errors(include_url=False) == [
{'input': 2, 'loc': ('x',), 'msg': 'Field is frozen', 'type': 'frozen_field'}
]
m.y = 3
assert m.y == 3
def test_field_regex():
with pytest.raises(PydanticUserError, match='`regex` is removed. use `pattern` instead'):
class Model(BaseModel):
x: str = Field('test', regex=r'^test$')
def test_modify_schema_error():
with pytest.raises(
PydanticUserError,
match='The `__modify_schema__` method is not supported in Pydantic v2. '
'Use `__get_pydantic_json_schema__` instead.',
):
class Model(BaseModel):
@classmethod
def __modify_schema__(cls, field_schema: Dict[str, Any]) -> None:
pass
def test_v1_v2_custom_type_compatibility() -> None:
"""Create a custom type that works with V1 and V2"""
class MyType:
@classmethod
def __get_pydantic_core_schema__(cls, source_type: Any, handler: GetCoreSchemaHandler) -> CoreSchema:
return core_schema.int_schema()
@classmethod
def __get_pydantic_json_schema__(
cls, core_schema: CoreSchema, handler: GetJsonSchemaHandler
) -> JsonSchemaValue:
return {'anyOf': [{'type': 'string'}, {'type': 'number'}]}
@classmethod
def __modify_schema__(cls, field_schema: Dict[str, Any]) -> None:
raise NotImplementedError # not actually called, we just want to make sure the method can exist
@classmethod
def __get_validators__(cls) -> Iterable[Any]:
raise NotImplementedError # not actually called, we just want to make sure the method can exist
yield
ta = TypeAdapter(MyType)
assert ta.validate_python('123') == 123
assert ta.json_schema() == {'anyOf': [{'type': 'string'}, {'type': 'number'}]}
def test_field_extra_arguments():
m = re.escape(
'Using extra keyword arguments on `Field` is deprecated and will be removed. Use `json_schema_extra` instead. '
"(Extra keys: 'test', 'foo')"
)
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: str = Field('test', test='test', foo='bar')
assert Model.model_json_schema(by_alias=True)['properties'] == {
'x': {'default': 'test', 'foo': 'bar', 'test': 'test', 'title': 'X', 'type': 'string'}
}
def test_field_extra_does_not_rewrite_json_schema_extra():
m = 'Using extra keyword arguments on `Field` is deprecated and will be removed. Use `json_schema_extra` instead'
with pytest.warns(PydanticDeprecatedSince20, match=m):
class Model(BaseModel):
x: str = Field('test', test='test', json_schema_extra={'test': 'json_schema_extra value'})
assert Model.model_json_schema(by_alias=True)['properties'] == {
'x': {'default': 'test', 'test': 'json_schema_extra value', 'title': 'X', 'type': 'string'}
}
class SimpleModel(BaseModel):
x: int
def test_dict():
m = SimpleModel(x=1)
with pytest.warns(PydanticDeprecatedSince20, match=r'^The `dict` method is deprecated; use `model_dump` instead\.'):
assert m.dict() == {'x': 1}
def test_json():
m = SimpleModel(x=1)
with pytest.warns(
PydanticDeprecatedSince20, match=r'^The `json` method is deprecated; use `model_dump_json` instead\.'
):
assert m.json() == '{"x":1}'
with pytest.warns(PydanticDeprecatedSince20):
with pytest.raises(TypeError, match='The `encoder` argument is no longer supported'):
m.json(encoder=1)
with pytest.raises(TypeError, match='The `models_as_dict` argument is no longer supported'):
m.json(models_as_dict=True)
with pytest.raises(TypeError, match='`dumps_kwargs` keyword arguments are no longer supported.'):
m.json(foo=4)
def test_parse_obj():
with pytest.warns(
PydanticDeprecatedSince20, match='^The `parse_obj` method is deprecated; use `model_validate` instead.'
):
m = SimpleModel.parse_obj({'x': 1})
assert m.model_dump() == {'x': 1}
def test_parse_file(tmp_path):
path = tmp_path / 'test.json'
path.write_text('{"x": 12}')
with pytest.warns(
PydanticDeprecatedSince20, match='^The `parse_file` method is deprecated; load the data from file,'
):
assert SimpleModel.parse_file(str(path)).model_dump() == {'x': 12}
def test_construct():
with pytest.warns(
PydanticDeprecatedSince20, match='The `construct` method is deprecated; use `model_construct` instead.'
):
m = SimpleModel.construct(x='not an int')
assert m.x == 'not an int'
def test_json_schema():
m = SimpleModel(x=1)
with pytest.warns(
PydanticDeprecatedSince20, match='^The `schema` method is deprecated; use `model_json_schema` instead.'
):
assert m.schema() == {
'title': 'SimpleModel',
'type': 'object',
'properties': {'x': {'title': 'X', 'type': 'integer'}},
'required': ['x'],
}
def test_validate():
with pytest.warns(
PydanticDeprecatedSince20, match='^The `validate` method is deprecated; use `model_validate` instead.'
):
m = SimpleModel.validate({'x': 1})
assert m.model_dump() == {'x': 1}
def test_update_forward_refs():
with pytest.warns(PydanticDeprecatedSince20, match='^The `update_forward_refs` method is deprecated;'):
SimpleModel.update_forward_refs()
def test_copy_and_set_values():
m = SimpleModel(x=1)
with pytest.warns(
PydanticDeprecatedSince20, match='^The private method `_copy_and_set_values` will be removed and '
):
m2 = m._copy_and_set_values(values={'x': 2}, fields_set={'x'}, deep=False)
assert m2.x == 2
def test_get_value():
m = SimpleModel(x=1)
with pytest.warns(PydanticDeprecatedSince20, match='^The private method `_get_value` will be removed and '):
v = m._get_value(
[1, 2, 3],
to_dict=False,
by_alias=False,
include=None,
exclude=None,
exclude_unset=False,
exclude_defaults=False,
exclude_none=False,
)
assert v == [1, 2, 3]
def test_deprecated_module(tmp_path: Path) -> None:
class Model(BaseModel):
x: int
assert hasattr(parse_obj_as, '__deprecated__')
with pytest.warns(
PydanticDeprecatedSince20, match='parse_obj_as is deprecated. Use pydantic.TypeAdapter.validate_python instead.'
):
parse_obj_as(Model, {'x': 1})
assert hasattr(schema_json_of, '__deprecated__')
with pytest.warns(
PydanticDeprecatedSince20, match='schema_json_of is deprecated. Use pydantic.TypeAdapter.json_schema instead.'
):
schema_json_of(Model)
assert hasattr(schema_of, '__deprecated__')
with pytest.warns(
PydanticDeprecatedSince20, match='schema_of is deprecated. Use pydantic.TypeAdapter.json_schema instead.'
):
schema_of(Model)
assert hasattr(load_str_bytes, '__deprecated__')
with pytest.warns(PydanticDeprecatedSince20, match='load_str_bytes is deprecated.'):
load_str_bytes('{"x": 1}')
assert hasattr(load_file, '__deprecated__')
file = tmp_path / 'main.py'
file.write_text('{"x": 1}')
with pytest.warns(PydanticDeprecatedSince20, match='load_file is deprecated.'):
load_file(file)
assert hasattr(pydantic_encoder, '__deprecated__')
with pytest.warns(
PydanticDeprecatedSince20, match='pydantic_encoder is deprecated, use BaseModel.model_dump instead.'
):
pydantic_encoder(Model(x=1))
assert hasattr(custom_pydantic_encoder, '__deprecated__')
with pytest.warns(
PydanticDeprecatedSince20, match='custom_pydantic_encoder is deprecated, use BaseModel.model_dump instead.'
):
custom_pydantic_encoder({int: lambda x: str(x)}, Model(x=1))
assert hasattr(timedelta_isoformat, '__deprecated__')
with pytest.warns(PydanticDeprecatedSince20, match='timedelta_isoformat is deprecated.'):
timedelta_isoformat(timedelta(seconds=1))
assert all(hasattr(func, '__deprecated__') for func in get_overloads(validate_arguments))
with pytest.warns(
PydanticDeprecatedSince20, match='The `validate_arguments` method is deprecated; use `validate_call` instead.'
):
def test(a: int, b: int):
pass
validate_arguments()(test)
def test_deprecated_color():
from pydantic.color import Color
with pytest.warns(
PydanticDeprecatedSince20, match='The `Color` class is deprecated, use `pydantic_extra_types` instead.'
):
Color('red')
def test_deprecated_payment():
from pydantic import PaymentCardNumber
with pytest.warns(
PydanticDeprecatedSince20,
match='The `PaymentCardNumber` class is deprecated, use `pydantic_extra_types` instead.',
):
PaymentCardNumber('4242424242424242')