INNER CODE UNIT · Python

convert

balapriyac/data-science-tutorials · containerizing-python-apps/currency-api/main.py:24

def convert(
    amount: float = Query(..., gt=0),
    from_currency: Literal["USD", "EUR"] = "USD",
    to_currency: Literal["USD", "EUR", "JPY"] = "EUR",
):
    if from_currency == to_currency:
        raise HTTPException(
            status_code=400, detail="From and to currencies must differ."
        )

    rate = mock_rates.get((from_currency, to_currency))
    if not rate:
        raise HTTPException(status_code=400, detail="Conversion rate not available.")

    converted = amount * rate
    return ConversionResponse(
        from_currency=from_currency,
        to_currency=to_currency,

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