33 lines
906 B
Python
33 lines
906 B
Python
import inspect
|
|
from typing import Type
|
|
|
|
from fastapi import Form
|
|
from pydantic import BaseModel
|
|
from pydantic.fields import ModelField
|
|
|
|
|
|
def as_form(cls: Type[BaseModel]):
|
|
new_parameters = []
|
|
|
|
for field_name, model_field in cls.__fields__.items():
|
|
model_field: ModelField # type: ignore
|
|
|
|
new_parameters.append(
|
|
inspect.Parameter(
|
|
model_field.alias,
|
|
inspect.Parameter.POSITIONAL_ONLY,
|
|
default=Form(...) if model_field.required else Form(
|
|
model_field.default),
|
|
annotation=model_field.outer_type_,
|
|
)
|
|
)
|
|
|
|
async def as_form_func(**data):
|
|
return cls(**data)
|
|
|
|
sig = inspect.signature(as_form_func)
|
|
sig = sig.replace(parameters=new_parameters)
|
|
as_form_func.__signature__ = sig # type: ignore
|
|
setattr(cls, 'as_form', as_form_func)
|
|
return cls
|