[Solved] You want to save multiple uploaded files in FastAPI and return their sizes. Which approach is best? - Ans: Use a list of UploadFile parameters and loop to read and save each | FastAPI

FastAPI - File Handling

You want to save multiple uploaded files in FastAPI and return their sizes. Which approach is best?

ARead all files at once using a single UploadFile parameter

BUse a list of UploadFile parameters and loop to read and save each

CSave files without reading contents to get size

DUse bytes parameters instead of UploadFile for multiple files

Step-by-Step Solution

Solution:

Step 1: Understand multiple file uploads
FastAPI supports list of UploadFile to handle multiple files.
Step 2: Loop through files to read and save
Looping lets you read contents, save files, and calculate sizes individually.
Final Answer:
Use a list of UploadFile parameters and loop to read and save each -> Option B
Quick Check:
Multiple files = list of UploadFile + loop [OK]

Quick Trick: Use List[UploadFile] for multiple files [OK]

Common Mistakes:

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You want to save multiple uploaded files in FastAPI and return their sizes. Which approach is best?