Sync fastapi docs from b5ca1324 on 2025-12-07

docs_src/request_files/tutorial001_02_an_py39.py

@@ -0,0 +1,21 @@
+from typing import Annotated, Union
+
+from fastapi import FastAPI, File, UploadFile
+
+app = FastAPI()
+
+
+@app.post("/files/")
+async def create_file(file: Annotated[Union[bytes, None], File()] = None):
+    if not file:
+        return {"message": "No file sent"}
+    else:
+        return {"file_size": len(file)}
+
+
+@app.post("/uploadfile/")
+async def create_upload_file(file: Union[UploadFile, None] = None):
+    if not file:
+        return {"message": "No upload file sent"}
+    else:
+        return {"filename": file.filename}