Getting data from Forms

Notes Single

Simple data forms

Form data has a particular encapsulation, different from that of the JSON content, in this way the data coming from forms can be differentiated:

from fastapi import FastAPI, Form

app = FastAPI()"/login/")
async def login(username: str = Form(), password: str = Form()):
    return {"username": username}

File forms

from fastapi import FastAPI, File, UploadFile

app = FastAPI()"/files/")
async def create_file(file: bytes | None = File(default=None)):
    if not file:
        return {"message": "No file sent"}
        return {"file_size": len(file)}"/uploadfile/")
async def create_upload_file(file: UploadFile | None = None):
    if not file:
        return {"message": "No upload file sent"}
        return {"filename": file.filename}

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