model_downloader.py

from transformers import AutoTokenizer, AutoModelForSeq2SeqLM; \
import os; \
name=os.getenv("MODEL_NAME","facebook/bart-large-cnn"); \
tok=AutoTokenizer.from_pretrained(name); \
_ = AutoModelForSeq2SeqLM.from_pretrained(name); \
print("Model cached:", name)