fix: Fix multipart body file array

end_to_end_tests/baseline_openapi_3.0.json

@@ -87,6 +87,57 @@
         }
       }
     },
+    "/bodies/multipart/multiple-files-in-object": {
+      "post": {
+        "tags": [
+          "tests"
+        ],
+        "summary": "Array of files in object",
+        "description": "Upload an array of files as part of an object",
+        "operationId": "upload_array_of_files_in_object_tests_upload_post",
+        "parameters": [],
+        "requestBody": {
+          "content": {
+            "multipart/form-data": {
+              "schema": {
+                "type" : "object",
+                "properties" : {
+                  "files": {
+                    "type": "array",
+                    "items": {
+                      "type": "string",
+                      "description": "attachments content",
+                      "format": "binary"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {}
+              }
+            }
+          },
+          "422": {
+            "description": "Validation Error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/HTTPValidationError"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/tests/": {
       "get": {
         "tags": [

end_to_end_tests/baseline_openapi_3.1.yaml

@@ -83,6 +83,57 @@ info:
       }
     }
   },
+  "/bodies/multipart/multiple-files-in-object": {
+    "post": {
+      "tags": [
+        "tests"
+      ],
+      "summary": "Array of files in object",
+      "description": "Upload an array of files as part of an object",
+      "operationId": "upload_array_of_files_in_object_tests_upload_post",
+      "parameters": [ ],
+      "requestBody": {
+        "content": {
+          "multipart/form-data": {
+            "schema": {
+              "type": "object",
+              "properties": {
+                "files": {
+                  "type": "array",
+                  "items": {
+                    "type": "string",
+                    "description": "attachments content",
+                    "format": "binary"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "required": true
+      },
+      "responses": {
+        "200": {
+          "description": "Successful Response",
+          "content": {
+            "application/json": {
+              "schema": { }
+            }
+          }
+        },
+        "422": {
+          "description": "Validation Error",
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/HTTPValidationError"
+              }
+            }
+          }
+        }
+      }
+    }
+  },
   "/tests/": {
     "get": {
       "tags": [

end_to_end_tests/custom-templates-golden-record/my_test_api_client/api/tests/__init__.py

@@ -20,12 +20,20 @@
     test_inline_objects,
     token_with_cookie_auth_token_with_cookie_get,
     unsupported_content_tests_unsupported_content_get,
+    upload_array_of_files_in_object_tests_upload_post,
     upload_file_tests_upload_post,
     upload_multiple_files_tests_upload_post,
 )
 
 
 class TestsEndpoints:
+    @classmethod
+    def upload_array_of_files_in_object_tests_upload_post(cls) -> types.ModuleType:
+        """
+        Upload an array of files as part of an object
+        """
+        return upload_array_of_files_in_object_tests_upload_post
+
     @classmethod
     def get_user_list(cls) -> types.ModuleType:
         """

end_to_end_tests/golden-record/my_test_api_client/api/tests/upload_array_of_files_in_object_tests_upload_post.py

@@ -0,0 +1,172 @@
+from http import HTTPStatus
+from typing import Any, Dict, Optional, Union
+
+import httpx
+
+from ... import errors
+from ...client import AuthenticatedClient, Client
+from ...models.http_validation_error import HTTPValidationError
+from ...models.upload_array_of_files_in_object_tests_upload_post_body import (
+    UploadArrayOfFilesInObjectTestsUploadPostBody,
+)
+from ...types import Response
+
+
+def _get_kwargs(
+    *,
+    body: UploadArrayOfFilesInObjectTestsUploadPostBody,
+) -> Dict[str, Any]:
+    headers: Dict[str, Any] = {}
+
+    _kwargs: Dict[str, Any] = {
+        "method": "post",
+        "url": "/bodies/multipart/multiple-files-in-object",
+    }
+
+    _body = body.to_multipart()
+
+    _kwargs["files"] = _body
+
+    _kwargs["headers"] = headers
+    return _kwargs
+
+
+def _parse_response(
+    *, client: Union[AuthenticatedClient, Client], response: httpx.Response
+) -> Optional[Union[Any, HTTPValidationError]]:
+    if response.status_code == HTTPStatus.OK:
+        response_200 = response.json()
+        return response_200
+    if response.status_code == HTTPStatus.UNPROCESSABLE_ENTITY:
+        response_422 = HTTPValidationError.from_dict(response.json())
+
+        return response_422
+    if client.raise_on_unexpected_status:
+        raise errors.UnexpectedStatus(response.status_code, response.content)
+    else:
+        return None
+
+
+def _build_response(
+    *, client: Union[AuthenticatedClient, Client], response: httpx.Response
+) -> Response[Union[Any, HTTPValidationError]]:
+    return Response(
+        status_code=HTTPStatus(response.status_code),
+        content=response.content,
+        headers=response.headers,
+        parsed=_parse_response(client=client, response=response),
+    )
+
+
+def sync_detailed(
+    *,
+    client: Union[AuthenticatedClient, Client],
+    body: UploadArrayOfFilesInObjectTestsUploadPostBody,
+) -> Response[Union[Any, HTTPValidationError]]:
+    """Array of files in object
+
+     Upload an array of files as part of an object
+
+    Args:
+        body (UploadArrayOfFilesInObjectTestsUploadPostBody):
+
+    Raises:
+        errors.UnexpectedStatus: If the server returns an undocumented status code and Client.raise_on_unexpected_status is True.
+        httpx.TimeoutException: If the request takes longer than Client.timeout.
+
+    Returns:
+        Response[Union[Any, HTTPValidationError]]
+    """
+
+    kwargs = _get_kwargs(
+        body=body,
+    )
+
+    response = client.get_httpx_client().request(
+        **kwargs,
+    )
+
+    return _build_response(client=client, response=response)
+
+
+def sync(
+    *,
+    client: Union[AuthenticatedClient, Client],
+    body: UploadArrayOfFilesInObjectTestsUploadPostBody,
+) -> Optional[Union[Any, HTTPValidationError]]:
+    """Array of files in object
+
+     Upload an array of files as part of an object
+
+    Args:
+        body (UploadArrayOfFilesInObjectTestsUploadPostBody):
+
+    Raises:
+        errors.UnexpectedStatus: If the server returns an undocumented status code and Client.raise_on_unexpected_status is True.
+        httpx.TimeoutException: If the request takes longer than Client.timeout.
+
+    Returns:
+        Union[Any, HTTPValidationError]
+    """
+
+    return sync_detailed(
+        client=client,
+        body=body,
+    ).parsed
+
+
+async def asyncio_detailed(
+    *,
+    client: Union[AuthenticatedClient, Client],
+    body: UploadArrayOfFilesInObjectTestsUploadPostBody,
+) -> Response[Union[Any, HTTPValidationError]]:
+    """Array of files in object
+
+     Upload an array of files as part of an object
+
+    Args:
+        body (UploadArrayOfFilesInObjectTestsUploadPostBody):
+
+    Raises:
+        errors.UnexpectedStatus: If the server returns an undocumented status code and Client.raise_on_unexpected_status is True.
+        httpx.TimeoutException: If the request takes longer than Client.timeout.
+
+    Returns:
+        Response[Union[Any, HTTPValidationError]]
+    """
+
+    kwargs = _get_kwargs(
+        body=body,
+    )
+
+    response = await client.get_async_httpx_client().request(**kwargs)
+
+    return _build_response(client=client, response=response)
+
+
+async def asyncio(
+    *,
+    client: Union[AuthenticatedClient, Client],
+    body: UploadArrayOfFilesInObjectTestsUploadPostBody,
+) -> Optional[Union[Any, HTTPValidationError]]:
+    """Array of files in object
+
+     Upload an array of files as part of an object
+
+    Args:
+        body (UploadArrayOfFilesInObjectTestsUploadPostBody):
+
+    Raises:
+        errors.UnexpectedStatus: If the server returns an undocumented status code and Client.raise_on_unexpected_status is True.
+        httpx.TimeoutException: If the request takes longer than Client.timeout.
+
+    Returns:
+        Union[Any, HTTPValidationError]
+    """
+
+    return (
+        await asyncio_detailed(
+            client=client,
+            body=body,
+        )
+    ).parsed

end_to_end_tests/golden-record/my_test_api_client/models/__init__.py

@@ -80,6 +80,7 @@
 )
 from .test_inline_objects_body import TestInlineObjectsBody
 from .test_inline_objects_response_200 import TestInlineObjectsResponse200
+from .upload_array_of_files_in_object_tests_upload_post_body import UploadArrayOfFilesInObjectTestsUploadPostBody
 from .validation_error import ValidationError
 
 __all__ = (
@@ -153,5 +154,6 @@
     "PostResponsesUnionsSimpleBeforeComplexResponse200AType1",
     "TestInlineObjectsBody",
     "TestInlineObjectsResponse200",
+    "UploadArrayOfFilesInObjectTestsUploadPostBody",
     "ValidationError",
 )

end_to_end_tests/golden-record/my_test_api_client/models/a_model.py

@@ -186,6 +186,7 @@ def to_dict(self) -> Dict[str, Any]:
             not_required_nullable_model = self.not_required_nullable_model
 
         field_dict: Dict[str, Any] = {}
+
         field_dict.update(
             {
                 "an_enum_value": an_enum_value,