name 'File' is not define when used with FASTAPI

Question

The following function should output the file size of the image when sending a Post request from Insomnia/Postman API development environments.

@app.post("/user/photo") async def upload_user_photo(response: Response, profile_photo: bytes = File(...)): response.headers["x-file-size"] = str(len(profile_photo)) response.set_cookie(key="cookie-api", value="test") return {"file size": len(profile_photo)}

However the following error occurs:

 File ".\run.py", line 54, in <module> async def upload_user_photo(response: Response, profile_photo: bytes = File(...)): NameError: name 'File' is not defined

I've read that File() has been depreciated from Python 3, so what would be a way to get this to work?

Tim Roberts · Accepted Answer · 2021-07-27 19:16:34Z

4

The Python file function was deprecated. Remember that capitalization matters. What that code wants is the File class from fastapi. You need to add:

from fastapi import File

answered Jul 27, 2021 at 19:16

Tim Roberts

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1 Comment

csaju Over a year ago

Ensure multipart package is also being installed. pip install python-multipart

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