Sync fastapi docs from 11614be9 on 2026-03-11

docs_src/stream_json_lines/tutorial001_py310.py

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+from collections.abc import AsyncIterable, Iterable
+
+from fastapi import FastAPI
+from pydantic import BaseModel
+
+app = FastAPI()
+
+
+class Item(BaseModel):
+    name: str
+    description: str | None
+
+
+items = [
+    Item(name="Plumbus", description="A multi-purpose household device."),
+    Item(name="Portal Gun", description="A portal opening device."),
+    Item(name="Meeseeks Box", description="A box that summons a Meeseeks."),
+]
+
+
+@app.get("/items/stream")
+async def stream_items() -> AsyncIterable[Item]:
+    for item in items:
+        yield item
+
+
+@app.get("/items/stream-no-async")
+def stream_items_no_async() -> Iterable[Item]:
+    for item in items:
+        yield item
+
+
+@app.get("/items/stream-no-annotation")
+async def stream_items_no_annotation():
+    for item in items:
+        yield item
+
+
+@app.get("/items/stream-no-async-no-annotation")
+def stream_items_no_async_no_annotation():
+    for item in items:
+        yield item