deepObject - v1 compat glue

commonism · commonism · commit 26c4a9985410 · 2025-11-20T11:05:00.000+01:00
diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py
@@ -1,8 +1,7 @@
-import dataclasses
 import collections
+import dataclasses
 import inspect
 import re
-import sys
 from contextlib import AsyncExitStack, contextmanager
 from copy import copy, deepcopy
 from dataclasses import dataclass
@@ -23,7 +22,7 @@
 )
 
 import anyio
-from fastapi import params
+from fastapi import params, temp_pydantic_v1_params
 from fastapi._compat import (
     PYDANTIC_V2,
     ModelField,
@@ -81,8 +80,6 @@
 from starlette.websockets import WebSocket
 from typing_extensions import Annotated, Literal, get_args, get_origin
 
-from .. import temp_pydantic_v1_params
-
 multipart_not_installed_error = (
     'Form data requires "python-multipart" to be installed. \n'
     'You can install "python-multipart" with: \n\n'
@@ -754,20 +751,24 @@ def _default() -> Dict[str, Any]:
 
     @staticmethod
     def decode(
-        field_info: params.Param,
+        field_info: Union[params.Param, temp_pydantic_v1_params.Param],
         received_params: Union[Mapping[str, Any], QueryParams, Headers],
         field: ModelField,
     ) -> Dict[str, Any]:
         fn: Callable[
-            [params.Param, Union[Mapping[str, Any], QueryParams, Headers], ModelField],
+            [
+                Union[params.Param, temp_pydantic_v1_params.Param],
+                Union[Mapping[str, Any], QueryParams, Headers],
+                ModelField,
+            ],
             Dict[str, Any],
         ]
         fn = getattr(ParameterCodec, f"decode_{field_info.style}")
         return fn(field_info, received_params, field)
 
     @staticmethod
     def decode_deepObject(
-        field_info: params.Param,
+        field_info: Union[params.Param, temp_pydantic_v1_params.Param],
         received_params: Union[Mapping[str, Any], QueryParams, Headers],
         field: ModelField,
     ) -> Dict[str, Any]:
diff --git a/fastapi/temp_pydantic_v1_params.py b/fastapi/temp_pydantic_v1_params.py
@@ -59,6 +59,8 @@ def __init__(
         deprecated: Union[deprecated, str, bool, None] = None,
         include_in_schema: bool = True,
         json_schema_extra: Union[Dict[str, Any], None] = None,
+        style: str = _Unset,
+        explode: bool = _Unset,
         **extra: Any,
     ):
         if example is not _Unset:
@@ -107,6 +109,8 @@ def __init__(
         use_kwargs = {k: v for k, v in kwargs.items() if v is not _Unset}
 
         super().__init__(**use_kwargs)
+        self.style = style
+        self.explode = explode
 
     def __repr__(self) -> str:
         return f"{self.__class__.__name__}({self.default})"
