Sync fastapi docs from 50fa3f7c on 2026-01-11

docs_src/path_operation_advanced_configuration/tutorial007_py39.py

@@ -0,0 +1,32 @@
+import yaml
+from fastapi import FastAPI, HTTPException, Request
+from pydantic import BaseModel, ValidationError
+
+app = FastAPI()
+
+
+class Item(BaseModel):
+    name: str
+    tags: list[str]
+
+
+@app.post(
+    "/items/",
+    openapi_extra={
+        "requestBody": {
+            "content": {"application/x-yaml": {"schema": Item.model_json_schema()}},
+            "required": True,
+        },
+    },
+)
+async def create_item(request: Request):
+    raw_body = await request.body()
+    try:
+        data = yaml.safe_load(raw_body)
+    except yaml.YAMLError:
+        raise HTTPException(status_code=422, detail="Invalid YAML")
+    try:
+        item = Item.model_validate(data)
+    except ValidationError as e:
+        raise HTTPException(status_code=422, detail=e.errors(include_url=False))
+    return item