seq2seq_translation.py

from asyncio import run
from avalan.entities import GenerationSettings
from avalan.model.nlp.sequence import TranslationModel


async def example() -> None:
    print("Loading model... ", end="", flush=True)
    with TranslationModel("facebook/mbart-large-50-many-to-many-mmt") as t:
        print("DONE.", flush=True)

        text = """
            Lionel Messi, commonly known as Leo Messi, is an Argentine
            professional footballer who plays as a forward for the Argentina
            national team. Regarded by many as the greatest footballer of all
            time, Messi has achieved unparalleled success throughout his career.
        """

        translation = await t(
            text,
            source_language="en_US",
            destination_language="es_XX",
            settings=GenerationSettings(num_beams=4, max_length=512),
        )

        print(" ".join([line.strip() for line in text.splitlines()]).strip())
        print("-" * 12)
        print(translation)


if __name__ == "__main__":
    run(example())