Fix: 声明为 str 的配置项在 dotenv 中写为纯数字时在 Pydantic 2 下的解析错误

[lgc2333]

写的有点暴力

from pydantic import BaseModel, TypeAdapter


class Model(BaseModel):
    a: int
    b: str


print(TypeAdapter(Model).validate_python({"a": "1", "b": "2"}))
print(TypeAdapter(Model).validate_python({"a": 1, "b": 2}))

a=1 b='2'
Traceback (most recent call last):
  File "d:\Coding\python\nb2-workspace\private\test-nb2\debug.py", line 10, in <module>
    print(TypeAdapter(Model).validate_python({"a": 1, "b": 2}))
  File "D:\Coding\python\nb2-workspace\.venv\lib\site-packages\pydantic\type_adapter.py", line 142, in wrapped
    return func(self, *args, **kwargs)
  File "D:\Coding\python\nb2-workspace\.venv\lib\site-packages\pydantic\type_adapter.py", line 373, in validate_python
    return self.validator.validate_python(object, strict=strict, from_attributes=from_attributes, context=context)
pydantic_core._pydantic_core.ValidationError: 1 validation error for Model
b
  Input should be a valid string [type=string_type, input_value=2, input_type=int]
    For further information visit https://errors.pydantic.dev/2.8/v/string_type

要是 nb 不改就去和 pydantic 爆了吧

[yanyongyu]

这纯粹是你的dotenv写法不对

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[lgc2333]

对不起 打扰了
我是傻逼