[Solved] Consider this FastAPI endpoint:async def upload(file: UploadFile = File(...)): return {"name": file.filename}What will be the JSON response if a file named 'photo.jpg' is uploaded? | FastAPI

FastAPI - File Handling

Consider this FastAPI endpoint:

async def upload(file: UploadFile = File(...)):
    return {"name": file.filename}

What will be the JSON response if a file named 'photo.jpg' is uploaded?

A{"filename": "photo.jpg"}

B{"name": "photo.jpg"}

C{"file": "photo.jpg"}

D{"name": "file"}

Step-by-Step Solution

Solution:

Step 1: Check the return dictionary keys
The endpoint returns a dictionary with key "name" and value file.filename.
Step 2: Understand file.filename
file.filename contains the uploaded file's original filename, here 'photo.jpg'.
Final Answer:
{"name": "photo.jpg"} -> Option B
Quick Check:
Returned key matches 'name' exactly [OK]

Quick Trick: Return keys must match exactly as coded [OK]

Common Mistakes:

MISTAKES

Master "File Handling" in FastAPI

9 interactive learning modes - each teaches the same concept differently

More FastAPI Quizzes

Consider this FastAPI endpoint: